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ICS MODEL
VXI-5534
VXI-5534 QUAD SERIAL INTERFACE MODULE
MODEL VXI-5534
VXI Quad Serial Interface Module
Instruction Manual
1-1
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MODEL VXI-5534
VXI Quad Serial Interface Module
Instruction Manual
ICS
ICS
ELECTRONICS
division of Systems West Inc.
473 Los Coches Street, Milpitas, CA 95035
Phone (408) 263-5500, Fax (408) 263-5896
Publication Number
April 1996 Edition
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120134
Rev 4
LIMITED WARRANTY
Within 12 months of delivery, ICS Electronics will repair or replace this product, at our option, if any part is found to
be defective in materials or workmanship (labor is included). Return this product to ICS Electronics, or other designated
repair station, freight prepaid, for prompt repair or replacement. Contact ICS for a return material authorization (RMA)
number prior to returning the product for repair.
CERTIFICATION
ICS Electronics certifies that this product was carefully inspected and tested at the factory prior to shipment and was
found to meet all requirements of the specification under which it was furnished.
EMI/RFI WARNING
This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with
the instruction manual, may cause interference to radio communications. It has not been tested for compliance with the
limits for a Class A computing device pursuant to Subpart J of Part 15 of the FCC Rules, which are designed to provide
reasonable protection against such interference when operated in a commercial environment. Operation of this
equipment in a residential area is likely to cause interference, in which case the user, at his own expense, will be required
to take whatever measures may be required to correct the interference.
TRADEMARKS
The following trademarks referred to in this manual are the property of the following companies:
HP is a trademark of Hewlett-Packard Corporation, Palo Alto, CA
ICS is a trademark of ICS Electronics div Systems West, Inc., Milpitas, CA
MXIbus is a trademark of National Instruments, Austin, TX
APPLICABILITY
The programming portion of this manual applies to all units with revision 6 or later firmware. Users with earlier firmware
versions should contact ICS Electronics to upgrade their units.
©Copyright 1995, 1999 ICS Electronics
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Contents
1
SPECIFICATIONS ....................................................................................................... 1-1
1.1
DESCRIPTION ................................................................................................... 1-1
1.1.1 VXI-5534 Multifunction Interface Module ............................................. 1-1
1.1.2 VXIbus Description ................................................................................. 1-2
1.1.2.1
1.1.2.2
1.1.2.3
1.1.2.4
1.1.2.5
1.2
VXIbus Objectives ................................................................ 1-2
Advantages of VXIbus Based Systems ................................. 1-2
VXIbus System Configurations ............................................. 1-3
Data Transfer Methods .......................................................... 1-3
Additional Information about the VXIbus............................. 1-3
DETAIL SPECIFICATIONS .............................................................................. 1-5
1.2.1
1.2.2
1.2.3
1.2.4
1.2.5
1.2.6
Model Number Designation .................................................................... 1-5
VXIbus Capabilities ................................................................................ 1-5
VXIbus Word Serial Commands ............................................................. 1-6
Status Byte Response .............................................................................. 1-6
VXIbus IEEE-488.2 Common Commands ............................................. 1-7
Serial Interface ......................................................................................... 1-8
1.2.6.1
1.2.6.2
1.2.6.3
1.2.6.4
1.2.6.5
1.2.6.6
1.2.6.7
1.2.6.8
RS-232 Specifications ......................................................... 1-8
RS-423 Specifications ........................................................... 1-8
RS-422/485 Specifications ................................................... 1-8
Data Character Formats ......................................................... 1-9
Baud Rates ............................................................................. 1-9
X-On/X-Off Protocol ............................................................. 1-9
Serial Buffers ......................................................................... 1-9
Termination Resistor Network .............................................. 1-9
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1.2.7 Configuration Commands ..................................................................... 1-10
1.2.8 Front Panel Indicator ............................................................................. 1-11
1.2.9 Physical .................................................................................................. 1-11
1.3
ACCESSORIES ................................................................................................ 1-11
1.3.1 Supplied Accessories ............................................................................. 1-11
2
INSTALLATION .......................................................................................................... 2-1
2.1
2.2
2.3
UNPACKING AND INSPECTION .................................................................... 2-1
SHIPMENT VERIFICATION ............................................................................ 2-1
ADDRESS SWITCH SETTING ......................................................................... 2-3
2.3.1
2.3.2
2.3.3
2.3.4
2.4
Static Address Switch Settings ................................................................ 2-3
Dynamic Configuration Setting ............................................................... 2-3
Checking the VXI-5534's Logical Device Address ................................. 2-4
Resetting the VXI-5534's E2PROM......................................................... 2-4
SERIAL INTERFACE ........................................................................................ 2-5
2.4.1 RS-232 Connections ................................................................................ 2-5
2.4.2 RS-423 Signal Connections and Setup .................................................... 2-7
2.4.3 RS-422 and RS-485 Signal Connections and Terminations .................... 2-8
3
OPERATION ................................................................................................................. 3-1
3.1
3.2
INTRODUCTION ............................................................................................... 3-1
FRONT PANEL DISPLAY ................................................................................ 3-1
3.2.1 Power Turn-On Display .......................................................................... 3-1
3.2.2 Display Mode Button .............................................................................. 3-3
3.3
GENERAL OPERATING INSTRUCTIONS ..................................................... 3-5
3.3.1 Pre-operation Setup ................................................................................. 3-5
3.3.2 Operation ................................................................................................. 3-5
3.3.3 Configuring the Serial Interface .............................................................. 3-6
3.4
VXI-5534 CONFIGURATION COMMANDS .................................................. 3-7
3.4.1 Command Formats .................................................................................. 3-7
3.4.2 Configuration Command Table ............................................................... 3-7
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3.5
PROGRAMMING GUIDELINES .................................................................... 3-10
3.5.1
3.5.2
3.5.3
3.5.4
3.5.5
3.5.6
3.5.7
3.6
Setting the Baud Rate ............................................................................ 3-10
Sending Data ......................................................................................... 3-11
Using the Trigger Buffers ...................................................................... 3-11
Receiving Data ...................................................................................... 3-12
Reading the VXI-5534's Status Byte ..................................................... 3-13
Using VXIbus Interrupts to Input Data ................................................. 3-13
Controlling the VXI-5534 with Multi-Tasking Operating Systems ...... 3-14
488.2 COMPLIANCE ....................................................................................... 3-15
3.6.1 488.2 Common Commands ................................................................... 3-15
3.6.2 488.2 Status Reporting Structure ........................................................... 3-16
3.7
VXI WORD SERIAL COMMANDS ............................................................... 3-18
3.7.1 Standard Word Serial Commands ......................................................... 3-18
3.7.2 ICS Defined Word Serial Commands ................................................... 3-18
4
THEORY OF OPERATION ........................................................................................ 4-1
4.1
4.2
4-3
5
BLOCK DIAGRAM DESCRIPTION ................................................................ 4-1
MASTER PROCESSOR ..................................................................................... 4-1
SLAVE PROCESSORS ...................................................................................... 4-3
MAINTENANCE .......................................................................................................... 5-1
5.1
5.2
INTRODUCTION ............................................................................................... 5-1
TROUBLESHOOTING PROCEDURES ........................................................... 5-1
5.2.1 Self Test Failures ..................................................................................... 5-1
5.2.2 Operating Problems ................................................................................. 5-3
5.3
RETURNING FOR FACTORY SERVICE ........................................................ 5-5
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6
PARTS LIST AND LOCATION ................................................................................. 6-1
6.1
6.2
INTRODUCTION ............................................................................................... 6-1
REPLACEMENT PARTS................................................................................... 6-1
6.2.1 Standard Parts .......................................................................................... 6-1
6.2.2 Special Parts ............................................................................................ 6-1
6.2.3 Parts Ordering Information ...................................................................... 6-1
6.3
7
PARTS LISTS ..................................................................................................... 6-5
DRAWINGS, DIAGRAMS AND WIRE LISTS ........................................................ 7-1
iv
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TABLES
1-1
1-2
1-3
VXIBUS GLOSSARY .................................................................................................... 1-4
VXIBUS IEEE 488.2 COMMAND LIST ....................................................................... 1-7
CHANNEL CONFIGURATION COMMANDS .......................................................... 1-10
2-1
2-2
SERIAL INTERFACE PIN ASSIGNMENTS ............................................................... 2-5
RS-232/RS-423 JUMPERS ............................................................................................. 2-7
3-1
3-2A
3-2B
3-3
3-4
3-5
3-6
VXI-5534 DISPLAY MODES ........................................................................................ 3-2
VXI-5534 NORMAL MODE MESSAGES .................................................................... 3-4
VXI-5534 EXTENDED MODE MESSAGES ................................................................ 3-4
VXI-5534 CONFIGURATION COMMAND LIST ................................................3-8, 3-9
RECOMMENDED ESE AND SRE BIY VALUES ..................................................... 3-16
IEEE 488.2 COMMAND LIST ..................................................................................... 3-17
VXIBUS WORD SERIAL COMMAND LIST ...................................................3-19, 3-20
5-1
5-2
TROUBLESHOOTING GUIDE - ERROR MESSAGES .......................................5-2, 5-3
TROUBLESHOOTING GUIDE - OPERATING PROBLEMS ..............................5-3, 5-4
6-1
6-2
6-3
6-4
6-5
6-6
LIST OF MANUFACTURERS BY ABBREVIATION .................................. 6-2, 6-3, 6-4
VXI-5534 RECOMMENDED SPARE PARTS ......................................................6-5, 6-6
VXI-5534 MODULE ASSEMBLY PARTS LIST (114562) ...................................6-6, 6-9
VXI-5534 PCB ASSEMBLY PARTS LIST (114564) ............................................6-7, 6-9
VXI-5534 DISPLAY ASSEMBLY PARTS LIST (114570) .......................................... 6-9
VXI-5534 HEADER ASSEMBLY PARTS LIST (114574) ........................................... 6-9
FIGURES
2-1
2-2
2-3
2-4
2-5
Address Switch Location ................................................................................................. 2-2
Address Switch Layout .................................................................................................... 2-2
DTE 9Pin to 25 Pin Adapter ............................................................................................ 2-5
VXI-5534 Jumper Locations (Factory Settings) ............................................................. 2-6
GPIB Cable Installation ................................................................................................... 2-7
3-1
3-2
Display Mode Button Location ....................................................................................... 3-3
VXI-5534 IEEE-488.2 Status Reporting Structure ....................................................... 3-15
4-1
VXI-5534 Block Diagram ............................................................................................... 4-2
6-1
VXI-5534 Component Layout ......................................................................................... 6-8
7-1
VXI-5534 Logic Diagrams ..................................................................................... 7-2/7-10
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1
Specifications
1.1
DESCRIPTION
1.1.1
VXI-5534 Quad Serial Interface Module
The VXI-5534 Quad Serial Interface Module provides four separate serial interfaces in a single wide
VXI module. Each interface has its own logical address and can be independently programmed or
addressed for data transfers. Each serial interface operates in a command mode or data mode. In the
command mode, the serial interfaces accept configuration commands and status queries. All settings
can be saved in nonvolatile memory for recall at power turn-on time. In the data mode, the serial
interfaces provide transparent data transfer. Data transmission can be either direct or buffered for
later output upon receipt of a VXIbus trigger. Received data is buffered in the VXI-5534's memory
for transfer to the VXI controller. Each interface channel can be programmed to generate a VXIbus
Interrupt upon receipt of a serial message or data. A four character LED display shows device
addresses, interface status and error conditions.
Each of the VXI-5534's Serial Interfaces provides RS-232, RS-423 or RS-422/RS-485 compatible
signals for asynchronous data transmission. Baud rates, character formats and transmission mode
are independently programmable for each channel. An internal baud rate generator provides
standard rates up to 115.2 Kbaud and custom baud rates up to 153.6 Kbaud. Internal termination
networks can be switched into each channel's transmit and receive data lines for RS-422/RS-485
operation. Standard units have 10 Kbytes of buffer space for each channel which can be expanded
up to 40 Kbytes per channel with the -M memory option.
Although the VXI-5534's hardware is capable of operating with asynchronous data transmission,
synchronous bit oriented protocols and synchronous byte oriented protocols, the VXI-5534's
standard firmware only provides for asynchronous data transmission. Extension of the VXI-5534
for operation with synchronous data transmission protocols requires additional custom firmware.
1-1
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1.1.2
VXIbus Description
1.1.2.1
VXIbus Objectives
The goal of the VXIbus Consortium is to create an open industry standard for modular instruments
by defining interoperability between vendors, mechanical and environmental requirements, EMC
compatibility, system initialization and software communication protocols. The physical portion of
the VXIbus specification was adapted from the existing VME bus specification (IEEE-STD 1014).
VXI is an acronym for “VME bus Extensions for Instrumentation.”
The VXIbus specification details the technical requirements of VXIbus compatible components such
as mainframes, backplanes, power supplies and modules. The specification also provides for
interconnecting and operating different manufacturers’ products within the same chassis. The latest
revision of the specification is version 1.4. The success of the specification is evidenced by over 300
manufactures who make over 800 different VXIbus products and hundreds of users .
The IEEE Standards Committee, in its IEEE-STD 1155, has adopted the VXIbus consortium’s
specifications. The U. S. Air Force has also accepted the specifications as the basis for its Modular
Automatic Test Equipment (MATE) Instrument on a Card (IAC) standard.
The VXIplug&play Alliance has defined several additional standards that simplifies the integration
of multivendor VXI systems. The VXIplug&play Alliance has created a standard system framework
concept that allows test programs in any language and operating system to be able to control VXI
chassis and instrument modules through Standard Instrument Drivers. The VXIplug&play
Framework identifies the operating system (OS) and applications development environment (ADE)
used to generate the test software. The VXIplug&play Alliance just adopted an updated specification
for a set of standard VISA Transition Library drivers that the Slot 0 Controllers and Embedded
Computer vendors should adhere to assure VXIplug&play compatibility. The VISA (Virtual
Instrument Software Architecture) drivers are used between the end user's test application program
or general purpose test programs purchased from software vendors and the physical VXI modules
or GPIB instruments. These VISA Transition Library (VTL) drivers are described in the VXIplug&play
VPP-4.2 Specification Version 3.0 and are referred to as the VTL 3.0 drivers.
1.1.2.2
Advantages of VXIbus Based Systems
The VXIbus provides the user with the following advantages:
Higher density packaging
Increased system throughput
More precise timing and device synchronization
Standard protocols for instrument communication and control
Ability to utilize existing VME modules
Lower costs due to shared resources.
1-2
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1.1.2.3
VXIbus System Configurations
VXIbus systems utilize a chassis with a backplane and a common power supply. Modules plug into
the chassis from the front and communicate to each other over the backplane. The left most slot in
each chassis is labeled slot 0 and it is reserved for the system or chassis controller. Modules in the
other slots are servants to the system controller but can also be controllers and have their own
servants. The Slot 0 controller must be capable of performing the resource manager function which
initializes the other modules and assigns logical addresses for dynamically addressed devices,
interrupt lines, and trigger lines. The Slot 0 controller may be an embedded computer or it may
simply be a translator module driven by an external computer.
Each VXI device is addressed by its logical address. The address may be static and preset by the user
or dynamic and set by the resource manager function during system initialization. The VXIbus
specification allows for 256 logical addresses. Address 0 is reserved for the Slot 0 controller and
address 255 is reserved for dynamic addressable devices that will have their address defined by the
resource manager. A VXI system can contain a maximum of 254 logical devices.
A module may be a single logical device or contain multiple logical devices. Physically the module
can also be one slot wide or occupy multiple slots. Full rack wide VXI chassis have 13 slots on a
1.2 inch centers and can hold up to 13 one slot wide modules. Chassis extenders allow multiple
chassis to be interconnected together producing systems of up to 254 logical devices.
VXI based systems can also incorporate non-VXIbus devices. The most common variations are the
inclusion of GPIB instruments in the system or the use of VME cards in the VXI chassis. Slot 0
controllers commonly have a GPIB interface for controlling the GPIB instruments so that their
operation can be controlled from the same program as are the VXI modules. VME cards can function
in a VXI chassis because the VXIbus Specification maintained compatibility with the VME bus by
retaining the VME signals definitions for P1 and the center row of P2. Provisions were also made
to address the registers in the VME modules just as they are currently addressed in a VME bus system.
1.1.2.4
Data Transfer Methods
VXI modules can be register or message based . Register based modules are typically controlled by
direct reads or writes to registers in the module. Message based modules communicate with word
serial messages that are strings of ASCII or binary bytes. Word transfer uses the VXI word serial
protocol that examines bits in the modules's protocol register to maintain an orderly data transfer.
Because of the word serial protocol, register based modules are typically faster than message based
modules but they lack the intelligence of message based modules. A new Fast Data Channel
specification provides for direct transfer of data from a module's memory to the Slot 0 Controllers
at rates up to 32 Mbytes per second.
1.1.2.5
Additional information about the VXIbus
For additional information, contact the VXI Consortium for a copy of the VXI specification, the
VXIplug&play Alliance for a copy of the VISA specification or ICS Electronics for Application
Bulletins that describe VXI applications.
1-3
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TABLE 1-1
VXIBUS GLOSSARY
Commander: A VXIbus device that has VME bus master capability and may have VXIbus servants under it in
the system hierarchy. A Commander may act as a Servant to another Commander. A Commander must be message
based.
Servant: A VXIbus device (with or without VME bus master capability) that is under control of a Commander in
the VXIbus system hierarchy. A Servant may also be a Commander to other Servants. A Servant may be either
message or register based.
Interrupt Handler: The module in the VXIbus system that generates the hardware interrupt acknowledge for a
particular VME interrupt level. In VXIbus, the software interrupt handler may or may not be on the same module
as the hardware interrupt handler.
Logical Address: A unique 8 bit number (0-255) which identifies each VXIbus device in a system. It defines the
device’s A16 register addresses
Resource Manager: A message based commander located at logical address 0 which provides configuration
management services, including address map configuration, Commander/Servant mapping, self test, and diagnostic
management.
VXI Message Based Instrument: An intelligent instrument that implements the defined VXIbus registers and,
at a minimum, word serial protocol.
VXI Word Serial Messages: The simplest required communication protocol supported by Message Based devices
in a VXIbus system. It utilizes the A16 communications registers to transfer data or commands as a series of
characters on the VXIbus backplane. The end bit is asserted on the last character of the message. Uses Word Serial
Commands: Byte Available and Byte Request.
VXI Word Serial Commands: Single word, 16-bit commands sent from the commander to its servants. Some
Word Serial Commands have a response word. The VXI specification defines a number of standard Word Serial
commands that are reserved for use by the Slot 0 Controller or the Resource Manager. The specification also allows
instrument designers to define their own Word Serial Commands.
VXI Commands: These are commands passed from a Commander to a Servant within the VXIbus environment.
There are three broad categories of commands: VXIbus Instrument Protocols, IEEE 488.2 Common Commands and
Device specific commands. A command may or may not be stimulated by an external event. For example an IEEE488 Group Execute Trigger will generate a trigger command to all addressed devices. However, a Begin Normal
Operations command is generated by the VXIbus resource manager and has no external source.
VXI Events: VXIbus Events are passed from a Servant to a Commander. They may be generated by the Servant
either in response to a command (e.g., an invalid command error), or due to an external condition (e.g., data ready
or status change).
VXI Fast Data Channel: A method for exchanging data between a commander and a servant module that utilizes
a minimum of handshaking to transfer data so that the data transfer rate approaches the theoretical VME bus transfer
rate. May allow a commander access to portions of the device's memory or a register in the A24 or A32 address
space. Data transfer is unidirectional for each channel and can be D16 or D32 bit words. Multiple channels may
be opened for each device.
488-VXIbus Interface Device: An IEEE-488 to VXIbus Interface Device is a message based device which
provides communication between the IEEE-488 bus and VXIbus instruments. Typically this function is included
in the Slot 0 card for external control of the VXI chassis.
1-4
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1.2
DETAIL SPECIFICATIONS
The following specifications apply in general to all VXI-5534 modules.
1.2.1
Model Number Designation
VXI-5534
-X
General Model Number
Option Code(s)
-1 Special crystal frequency
-3 Special paint
-7 Special program
-8 Hardware modification
-M memory expansion to 40 Kbytes/channel
VXI Quad Serial Module
1.2.2
VXIbus Capabilities
The VXI-5534 has the following VXIbus capabilities:
Addressing
Manufacturer ID
Device Class
Address Space
Model Number
Interrupter
Event Generator
VMEbus Master
Commander
Signal Register
Handshake
Shared Memory
Primary Classification
Static configured addresses 4-248 or dynamic configuration
capability for four logical devices in one module. Address
setting is for logical device #1 which is serial channel #1.
Remaining devices (serial channels) use sequentially higher
VXIbus addresses.
4073 (ICS Electronics)
Message based I4 class VXI instrument
A16 only
5534
Programmable Interrupter
Not implemented
Not implemented
Servant only capability
Not implemented
Normal handshake only
No capability
I4
1-5
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1.2.3
VXIbus Word Serial Commands
The VXI-5534 supports the following word serial commands:
Standard I4 Word Serial Commands
Abort Normal operation
Begin Normal operation
Byte Available
.
Byte Request
Clear
End Normal operation
Trigger
Read STB
Read Protocol
Read Protocol Error
Programmable Interrupter Commands
Assign Interrupter Line
Read Interrupter Line
Read Interrupters
Event Generator Commands
Asynchronous mode control
Control Response
Control Event
ICS Defined Commands
Cmd Mode Accepts Commands and responds to queries.
Data Mode
All Word Serial messages are considered serial data.
Arm Trigger Select TTL Trigger Line and send buffer number.
1.2.4
Status Byte Response
The VXI-5534 logical devices respond to the Read STB command by sending a byte equivalent to
the serial poll response in IEEE Standard 488.2. The bit assignments are:
Bit
7
6
5
4
3
2
1
0
Meaning
Output Done
Request Service (RQS)
Event Status Summary bit
Message Available bit
Receive Error
Transmit Buffer Empty
Receive Buffer Not Empty
Msg Received/Data Count Exceeded
The on condition of the corresponding bit in the RQS mask byte enables generation of a Request
Service Interrupt at the next occurrence of the unmasked bit. Bits with 0’s in the RQS mask byte will
not generate an interrupt, but they will be reported in the STB response byte. Status bits 0 and 1 are
high when their corresponding status line is in its logical true state as defined by the user.
1-6
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1.2.5
VXIbus IEEE 488.2 Common Commands
The VXI-5534 supports the VXIbus IEEE 488.2 Common Commands listed in Table 1-2 to perform
functions such as service request enable, event status register query and status byte query, etc.
Common Commands always begin with an asterisk (*), and may include one or more parameters.
Detailed descriptions of the commands can be found in IEEE Std 488.2-1987.
TABLE 1-2 VXIBUS IEEE 488.2 COMMAND LIST
Command
Title
Description
*CLS
Clear status register
Clears all Event Registers and updates status byte register
*ESE <mask>
Event status enable.
Sets the bits in the Event Status Enable Register
*ESE?
Event status enable query
Queries the current contents in the Event Status Enable
Register
*ESR?
Event status register query
Queries and clears contents in the StandardEvent Status
Register
*IDN?
Identification query
Returns identification string of the VXI-5534
*OPC
Operation complete
Sets OPC bit in the Standard Event Register when all
pending operations are completed1
*OPC?
Operation complete query
Returns a 1 to the output queue when all pending operations
have completed1
*RCL 0
Recall command
Restores the state of the device from stored parameters
*RST
Reset
Resets the VXI-5534 logical device to a specific state1
*SAV 0
Save command
Saves current state parameters for recal at power on.
*SRE <mask>
Service request enable
Sets the enable bits in the Service Request Enable Register
*SRE?
Service request enable query
Queries the current contents in the Service Request Enable
Register
*STB?
Read status byte query
Queries the current contents in the Status Byte Register
*TRG
Trigger
Starts transmission of a selected buffer.
*TST?
Self-test query
Returns 0 unless self test fails1
*WAI
Wait to Continue
Halts execution of commands and queries until the current
operations is completed1
1
These commands have limited usefulness with the VXIbus. See Chapter 3 for more information.
1-7
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1.2.6
Serial Interfaces
The VXI-5534 provides four serial interfaces for asynchronous communication with external
devices. Each interface supports RS-232, RS-423 or RS-422/RS-485 serial links. The interfaces use
9-pin connectors. The RS-232 signals are pin compatible with the 9-pin COM port on any IBM AT
compatible PC.
1.2.6.1
1.2.6.2
RS-232 Specifications
Signals
BA, BB, CA, CB, CC, CD, CF and CI
Signal ground is AB. Shield is AA
Transmit
Levels
+12 ±2 Vdc = logic '0' or on
-12 ±2 Vdc = logic '1' or off
Receive
Levels
±1.5 Vdc minimum
±25 Vdc Maximum
Mode
Full duplex
RS-423 Specifications
Identical to the RS-232 specifications listed in 1.2.5.1 above except for reduced
transmission levels. Waveshaping is set for 115.2 Kbaud.
1.2.6.3
Transmit
Levels
+5 ±1 Vdc = logic '0' or on
-5 ±1 Vdc = logic '1' or off
Receive
Levels
± 0.2 Vdc minimum
± 25 Vdc Maximum
RS-422/RS-485 Specifications
Signals
TX, RX, CLKO, CLKI Balanced lines
Signal ground is SG. Shield is chassis ground
Transmit
Levels
+2.5 Vdc differential for binary '0' or on
-2.5 Vdc differential for binary '1' or off
Receive
Levels
±0.2 Vdc minimum
±25 Vdc maximum differential or between any signal and SG
Mode Full or half duplex
1-8
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1.2.6.4
Data Character Formats
Data bits
5, 6, 7 or 8 bits/character
Parity Odd, even or none
Stop bits
1.2.6.5
1 or 2
Baud Rates
Internal baud rates can be selected from 150 to 115,200 baud. Standard rates are: 150, 300, 600, 1200,
2.4 K, 4.8 K, 7.2K, 9.6 K, 19.2 K, 38.4 K, 57.6 K, 76.8K and 115.2K. Baud rate accuracy is ±0.02
%. Other internal baud rates are programmable up to 153.6 Kbaud by specifying the baud rate
generator time constant. Combined baud rate for a channel pair (channels 1 & 2 or channels 3 & 4)
should not exceed 230.4 Kbaud.
1.2.6.6
X-On/X-Off Protocol
X-on/X-off protocol for flow control can be separately enabled for each serial channel.
1.2.6.7
Serial Buffers
Each serial interface includes the following data buffers:
Buffers
Transmit
Trigger Buffers
Receive Buffer
1.2.6.8
Standard Units
4,092 bytes
4 @ 512 bytes
4,092 bytes
Extended RAM Units
16,380 bytes
8 @ 1,024 bytes
16,380 bytes
Termination Resistor Network
For RS-422/RS-485 applications, the VXI-5534 serial interfaces can be configured to switch a
termination resistor network across the Tx and Rx signal pairs by a VXIbus command. The
termination resistor networks are mounted on plug-in headers. The standard termination network is
a 220 ohm load with 1 Kohm pullup and pulldown resistors to hold undriven Tx/Rx lines at +2.7 and
+2.2 volts. VXI-5534 channels must be configured in pairs as RS-422/RS-485 interfaces to use the
resistor termination networks.
1-9
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1.2.7
Configuration Commands
The VXI-5534 uses the commands listed in Table 1-3 to configure its serial interfaces. Configuration
settings can be stored in the VXI-5534's nonvolatile memory for recall when the unit is powered on
or reset.
TABLE 1-3
Command
CHANNEL CONFIGURATION COMMANDS
Description
BAUD n <nl>
Sets baud rate to standard values.
BAUD# n <nl>
Sets baud rate time constant for non-standard baud rates.
BITS n <nl>
Sets number of data bits per character
CONFIG? <nl>
Requests current configuration message
DEFAULT <nl>
Sets all configuration parameters to defaults
EXTRN RECV
Selects external clock input for receive
EXTRN TRANS
Selects external clock input for transmit
EXTRN OFF
Selects internal baud rate clocks
EXTRN CLK X1
Selects times 1 baud rate clock
EXTRN CLK X16
Selects times 16 baud rate clock
LOOPBACK a <nl>
Selects data loopback ON/OFF for testing
PACE a <nl>
Enables X-on/X-off flow control
PARITY a <nl>
Sets parity generation and detection
PDEFAULT a <nl>
Sets the power on default mode (command or data)
SAVE <nl>
Stores the current configuration in EEPROM
SBITS n <nl>
Sets number of stop bits per character
SETBUFINT n <nl>
Sets number of received characters which set the DIO1 bit in the Status Byte.
SET EOM hh <nl>
Sets the End-Of-Message byte
SET MASK hh <nl>
Sets the received character mask byte
STORE n, <string> <nl>
Stores data in Trigger Buffer (n)
TERMRES <bool> <nl>
Switches termination network in/out for RS-422/RS-485 operation.
TRIGGER n <nl>
Sends data from buffer (n).
TYPE a <nl>
Selects RS-232 (RS-423) or RS-422/485 interface and transmission mode
1-10
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1.2.8
Front Panel Indicator
The VXI-5534 has a four character alpha numeric display on the front panel which displays status,
logical device addresses and diagnostic messages. The display cycles through a series of status and
information messages at power turn-on and during self test. During normal operation, the display
shows the currently addressed serial channel. The display can be manually set to show diagnostic
messages with the DISPLAY push-button.
Display
SysF
Init
Rdy
SER1
SER2
SER3
SER4
FAIL
ERnn
1.2.9
Meaning
SYSFAIL asserted, Self test in progress
VXI-5534 passed self test and module initialized
VXI-5534 Ready (Begin Normal Operation received)
Serial Interface #1 addressed
Serial Interface #2 addressed
Serial Interface #3 addressed
Serial Interface #4 addressed
Failed Self Test
Error Code Number (nn)
Physical
Size
Dimensions
Weight
Power
C size VXI module
352.43 mm long x 233.35 mm high x 30.18 mm wide
1.79 Kg (3.94 lbs) including RF shields
5 Vdc at 2 A max
± 12 Vdc at 0.2 A
Temperature 0 °C to 55 °C operating
-20 °C to 70 °C storage
Serial Connectors 9-pin, DE-9P with 4-40 lock studs
1.3
ACCESSORIES
1.3.1
Supplied Accessories
The following accessories are supplied with each VXI-5534 module.
Qty.
Part Number
1
120134
Description
VXI-5534 Instruction Manual
1-11
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2
Installation
2.1
UNPACKING AND INSPECTION
If shipping carton or instrument is damaged, call carrier immediately and inspect the contents for
damage (scratches, dents, etc.). Retain shipping carton and packing material for carrier’s inspection.
If unit is damaged or fails to meet specifications, notify ICS Electronics Corporation or your local
sales representative immediately. ICS will make arrangements for unit to be repaired or replaced
without waiting for claim against carrier to be settled.
2.2
SHIPMENT VERIFICATION
Take a moment to verify that you have everything you need. If you ordered a standard VXI-5534
module, we should have sent you:
(1)
(1)
VXI-5534
120134
VXI Module
VXI-5534 Instruction Manual
If anything is missing or defective, please contact ICS Electronics immediately.
2.2
INSTALLATION
The VXI-5534 Quad Serial Module is ready for RS-232 and RS-422/RS-485 operation when
shipped. For RS-423 operation, set the internal jumpers as described in paragraph 2.4.2. To enable
the internal termination resistor networks for RS-422 and RS-485 applications, install the Switch ICs
per paragraph 2.4.3.
To install the VXI-5534 in a C size VXI chassis, select an empty slot and remove the slot cover plate.
Turn off chassis power. Set the module's logical address as described in paragraph 2.3 before
installing the module in a VXI chassis. Slide the VXI-5534 module into the chassis with the LEDs
up (or to the left in the case of a horizontal chassis) until the connectors start to engage the backplane
connectors. Press the module firmly into the backplane connectors until the front panel stops at the
chassis rails.
2-1
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Address
Switch
MSB
Figure 2-1
LSB
Address Switch Location
0
1
1 6 3 1 8 4 - 2 4 2 6
8
Note - White blocks show switch set to logical address 16 (10 HEX)
Figure 2-2
Address Switch Layout
2-2
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2.3
ADDRESS SWITCH SETTINGS
The VXI-5534 has an internal address switch located on the rear of the module between P1 and P2
for setting the VXI-5534’s logical address. The address switch is accessible through an opening in
the cover of the module when the module is removed from the VXI chassis. Figure 2-1 and Figure
2-2 shows the switch layout and rocker bit weights. A rocker in the ‘on’ or up position is set to logic
‘1’. A rocker in the ‘off’ or down position it is set to logic ‘0’. When shipped, the VXI-5534 address
switch is set to 16 by the factory.
CAUTION:TheVXI-5534requiresfourconsecutiveVXIaddresses
startingwithitsaddressswitchsetting.
Do not set rockers 1 and 2
onanddonotsetanyotherVXImoduleaddressinthisaddressrange.
The VXI-5534's four serial channels use four sequential VXIbus addresses as shown by the following
figure:
1
2
8
A
A
A
A
2.3.1
6
4
3
2
1
6 8
4
- -
}
Switch rocker weights
}
A A A A A 0 0
Channel #1
A A A A A 0 1
Channel #2
A A A A A 1 0
Channel #3
A A A A A 1 1
Channel #4
Note-A = Logical Address Setting
Static Address Switch Setting
Set the logical address to any unused value from 4 to 248 in steps of 4. Address rockers 1 and 2 are
not used for address setting and must be set to OFF.
2.3.2
1
2
8
6 3 1
4 2 6
8 4 - -
8
7 6 5
4 3 2 1 ← Address switch rockers
0
0 0 1
0 0 0 0 ← Factory default address
(logical address 16)
← Switch rocker weights and use
Dynamic Configuration Setting
To enable dynamic configuration of the module’s logical address by the Resource Manager1, set the
address switch to 252 (all ones). Again switch rockers 1 and 2 are not part of the module's address
setting and must be set to OFF.
1
The Resource Manager is a function in the Slot 0 commander module.
2-3
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2.3.3
Checking the VXI-5534's Logical Device Address
To check the address setting of the module, press the DISPLAY MODE button with a small thin
object (a tooth pick will do) until Addr is displayed, then release the button. The display will indicate
the selected address in the form A=xx, where xx is the VXIbus address in hexadecimal notation.
2.3.4
Resetting the VXI-5534 E2PROM
Bit 1 on the VXI-5534 Address Switch enables resetting the E2PROM to the factory default settings
when its has become corrupted. The E2PROM is tested each time the VXI-5534 performs its selftest. If the E2PROM fails its test, the LEDs will display the ER03 message. To restore the E2PROM
to the factory defaults, set Address Rocker 1 on and reset or turn on the module. When done, reset
the Address Rocker 1 to its off position to prevent accidental overwrites of the E2PROM contents.
NOTE-Thisprocedureoverwritesanyusersetting.Youwillhaveto
restoreandre-saveyoursettingsafterrestoringtheE
2
PROM.
2-4
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2.4
SERIAL INTERFACE
The VXI-5534 has four 9 pin DE-9P connectors with lock studs that independently provide either
RS-232, RS-423 or RS-422/RS-485 signals. Table 2-1 shows the serial signal assignments and the
signal direction relative to the VXI-5534.
TABLE 2-1
Pin
Number
1
2
3
4
5
6
7
8
9
Shell
SERIAL INTERFACE PIN ASSIGNMENTS
RS-232/RS-423
DCD
Rx
Tx
DTR
DGND
DSR
RTS
CTS
RxCLK
Chassis
←
←
→
→
←
→
←
←
Rx+
RxTxTx+
DGND
CLKO+
CLKOCLKI+
CLKIChassis
←
←
→
→
Tx/RxTx/Rx+
→
→
←
←
Chassis
←=intoVXI-5534,
Note:Signaldirectionarrows
2.4.1
Signals and Direction
RS-485 FD
RS-485 HD
→=outfromVXI-5534
RS-232 Connections
When RS-232C signals are selected, the signal pinouts are compatible with those on the 9-pin COM
port of an IBM AT or clone computer. The VXI-5534's RS-232 signals can be expanded out to a 25
pin connector with the use of a standard 9 pin-to-pin- 25 pin adapter cable. The RS-232 column in
Table 2-1 shows the RS-232 signal pin assignments and their direction relative to the VXI-5534.
Figure 2-3 shows the standard 9 pin to 25 pin adapter wiring. For minimum RS-232 connections,
use the serial signals on pins 2, 3 and 5. Jumper the unused RS-232 control lines back to themselves
as follows: RTS to CTS and DTR to DSR and DCD. Implement either the hardware or software flow
control if the serial messages could overflow either devices' receive buffer.
9 Pin Connector
DCD
RxD
TxD
DTR
GND
DSR
RTS
CTS
RI
Figure 2-3
25 Pin Connector
1
2
3
4
5
6
7
8
9
8
3
2
20
7
6
4
5
22
DCD
RxD
TxD
DTR
GND
DSR
RTS
CTS
RI
DTE 9 Pin to 25 Pin Adapter
2-5
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Figure 2-4
VXI-5534 Jumper Locations (Factory Settings)
2-6
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2.4.2
RS-423 Signal Connections and Setup
RS-423 signal levels are set by moving a pair of jumpers per serial channel to a lower voltage position
and operating the channel in the RS-232 mode. The jumpers are independent so the signal selection
may be made on a channel-by-channel basis.
Figure 2-4 shows the location of jumpers W1 through W8. The black squares show the factory setting
for RS-232 ±12 volt operation. All of the odd numbered jumpers are oriented across the board and
the even numbered jumpers are oriented lengthwise on the board. The silkscreen on W7 applies to
all odd jumpers; the silkscreen on W8 to all even numbered jumpers. To change the jumpers for a
channel, refer to Table 2-2 for the corresponding W numbers and position the jumper as shown by
the silkscreen on W7 and W8.
TABLE 2-2 RS-232/RS-423 JUMPERS
Channel
1
2
3
4
+ Jumper
W1
W3
W5
W7
- Jumper
W2
W4
W6
W8
Follow the directions in paragraph 2.4.1 to connect the RS-423 signals to the VXI-5534.
2-7
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2.4.3
RS-422 and RS-485 Signal Connections and Terminations
When RS-422/RS-485 signals are selected, the signals change from single-ended, bipolar signals to
two-line differential signals. The number of signals on the serial interface is reduced from 8 to 4. In
full-duplex applications, the minimum connection is four wires (2 for transmit and 2 for receive)
between the VXI-5534 port and the other RS-422 or RS-485 device. In half-duplex applications, only
two wires are used to connect the VXI-5534 to the other devices. The 'A' signal is normally low
(mark) and goes high (space). The 'B' signal is normally high (mark) and goes low (space). Table
2-1 lists the serial interface pinouts and signal directions for both modes.
The VXI-5534 does not support hardware handshaking for RS-422 and RS-485 transmission
systems. Implement software flow control if the serial message length could overflow either devices'
receive buffer.
VXI-5534s are shipped with internal terminating resistor networks that can be switched across the
Tx and Rx signal pairs in either RS-485 mode. (Termination resistor networks are normally required
in half-duplex systems to avoid transmission errors.) Each network consists of a 220 ohm load and
1 Kohm pullup and pulldown resistors that maintains a minimal differential voltage on the lines when
the transmitter is tristated. The terminating networks are on plug-in modules so the resistor values
can be easily changed by the user.
The switching is done by the two Switch ICs that were shipped with the VXI-5534. IC U15 switches
the networks for channels 1 and 2. U19 switches the networks for channels 3 and 4. To configure
a channel pair, remove the component side cover and install the Switch IC in U15 and/or U19 on the
board as shown by the gray ICs in Figure 2-4. Two Switch ICs are supplied fastened to the inside
of the component side cover. When they are not required for switching, they should be placed back
in their original position so they will not interfere with the other VXI-5534 components.
CAUTION - While the Switch IC is installed, both channel pairs
(1&2 or 3&4) must be used for RS-422 or RS-485 signals. RS-232
or RS-423 operation is not possible with the Switch IC installed.
2-8
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3
Operation and Programming
3.1
INTRODUCTION
This section describes how to program and use the VXI-5534. This includes directions for using the
Front Panel Display for diagnostics, for configuring the serial channels and for sending and receiving
serial data.
3.2
FRONT PANEL DISPLAY
The VXI-5534 has a four character alphanumeric display on the top of its front panel that has four
different display modes. The modes are selected by the Display Mode Button located below the
display.
3.2.1
Power Turn-On Display
At power turn-on or when reset, the display operates in the Normal mode and displays the VXI-5534's
status and last addressed serial channel. The power-on display sequence is:
SysF On during self-test while SYSFAIL is asserted. If on after 4.9 seconds, the module
could be defective or SYSFAIL is being held on.
ICS Momentary on after self-test is passed.
5534 Momentary on after self-test is passed.
FAIL On only if self-test failed or the module was commanded into the failed state.
Init On after self-test passed while module is waiting for a Begin-Normal-Operation
command.
Rdy On after Begin-Normal Operation command is received.
SERn On when a serial channel (n) has been addressed. 1<=n<=4
If the unit fails self-test, FAIL will be displayed for 5 seconds and then the display will show the
appropriate error code (ERxx). The error codes are listed in Section 5.
3-1
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TABLE 3-1
Display
Mode
VXI-5534 DISPLAY MODES
Description
Norm
The Norm or normal mode selects the power on messages listed in Table 3-2A.
Extd
The Extd or extended mode selects the messages in Table 3-2B for display.
These messages are useful for system testing and debugging.
Addr
The Addr or address mode is a temporary mode that displays the units current VXIbus
address setting in hexadecimal form for 5 seconds. The unit then returns to is prior mode.
Stat
The Stat mode is a temporary mode that displays some of the VXI protocol register
information in hexadecimal form for 5 seconds. The unit then returns to is prior mode.
The Stat display is :
Most significant digit
Bit 1 Channel #3 Wr Rdy
Bit 2 Channel #3 Rd Rdy
Bit 4 Channel #4 Wr Rdy
Bit 8 Channel #4 Rd Rdy
Least Significant Digit
Bit 1 Channel #1 Wr Rdy
Bit 2 Channel #1 Rd Rdy
Bit 4 Channel #2 Wr Rdy
Bit 8 Channel #2 Rd Rdy
SfSt
The SfSt mode is a temporary mode that displays the current Self-Test status on the least
significant digit for 5 seconds. The unit then returns to its prior mode. The SfSt display
is:
Least Significant Digit
Bit 1 Channel #1
Bit 2 Channel #2
Bit 4 Channel #3
Bit 8 Channel #4
Sv1T
Sv2T
The Sv1T and Sv2T modes start a continuous test of the slave processors.
Slave #1 supports Serial channels 1 and 2; slave #2 supports serial channels 3 and 4. In this
mode, the selected processor is reset and allowed to only run its self-test routine. If its
self-test passes, Pass will be displayed for 3 seconds and then the processor repeats the
test routine. Messages Tst1 or Tst2 indicate that the test is in progress. To exit the Sv1T
or Sv2T modes, press the Display Mode button to reset the unit and resume normal
operation.
If the slave process or failed to respond or run its test, the display will show
NOrs for 3 seconds and then attempt to rerun the test.
Rst
The Rst selection will reset the VXI-5534 processors just as if a reset was received from
the VXIbus. However, this type of reset does not reset the VXI-5534's hardware.
3-2
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3.2.2
Display Mode Button
The Display Mode Button is a recessed bush button located below the display as shown in figure
3-1. The button selects the VXI-5534 diagnostic and display modes. Table 3-1 on the facing page
describes the diagnostic and display modes. Tables 3-2A and 3-2B list the Normal Mode and
Extended Mode Messages.
To change the display mode, gently hold the button closed. Use a toothpick or sone other small thin
rod. The display will first show the current mode and after two seconds advance through the other
modes. Release the button when the display shoes the desired mode. Momentarily pressing the
Display Mode Button will cause the display to show the current mode without changing it.
VXI-5534
Display
VXI-5534
QUAD SERIAL
DISPLAY
J1
Display Mode
Button
C
H
A
N
N
E
L
1
J2
C
H
A
N
N
E
L
2
Figure 3-1
Display Mode Button Location
3-3
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TABLE 3-2A
VXI-5534 NORMAL MODE MESSAGES
Display
Meaning
5534
BgNn
E2Sv
FAIL
ICS
Init
NMI0
NMI1
NMI2
Rdy
SysF
Power on ID message
Begin normal operation for channel n
Data written to the E2PROM
Self Test failed
Power on ID message
Initialized, waiting for begin normal operation command
No slave access
Slave 1 access error
Slave 2 access error
Normal ready message, begin normal operation received
SysFail Asserted
NOrs
Pass
Tst1
Tst2
No response from slave in Sv1T or Sv2T tests.
Selected slave test passed
Slave1 test in progress
Slave2 test in progress
TABLE 3-2B
VXI-5534 EXTENDED MODE MESSAGES
Display
Meaning
Clrn
Dynn
ERnn
Errn
Int?
Rpen
SERn
sern
SfRn
Spln
Snok
Sncm
Sndt
Armn
Trap
Trgn
Serial channel n Clear command received
Dynamic configuration channel n
Error message - see Table 5.1
Unsupported command error
Unserviced interrupt
Serial channel n Read Protocol Error query
Serial channel n write
Serial channel n read
Serial channel n Soft reset
Serial channel n Read STB query (Serial Poll)
Serial channel n okay
Serial channel n in command mode
Serial channel n in data mode
Serial channel n Arm Trigger command
Software Trap due to faulty processor command
Serial channel n Trigger command
3-4
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3.3
GENERAL OPERATING INSTRUCTIONS
New users and programmers not experienced with the VXI-5534 should read Section 3 of this
manual. The few minutes it takes will save you may hours of needless work and speed up the
integration of the VXI-5534 into your system
3.3.1
Pre-Operation Setup
Before using the VXI-5534, prepare the serial connections. If RS-232 or RS-423 signals are being
used, their pinouts are the same as a PC's 9-pin COM port. Either use a cable with 9 pin connectors
or use a 9-pin to 25-pin adapter to mate with standard 25-pin cables. If RS-422 or RS-485 signals
are being used, wire the differential signals into the 9-pin plug. Use the pin assignments given in
Table 2-1.
CAUTION - If the Switch IC was installed per 2.4.3, remember that
channels with the Switch IC installed will not operate correctly with
RS-232 or RS-423 signals.
Set the VXI-5534's address switch as directed in Section 2. Slide the unit into its appropriate slot
in the VXI chassis.
3.3.2
Operation
Turn the VXI chassis power on. The VXI-5534's display should cycle through its identification
sequence while the unit does its power-on self-test. If the display shows Rdy the module is good
and had received the Begin-Normal-Operation command. If the display shows Init, it is good but
is waiting for the Begin-Normal Command. If the display shows other messages, refer to paragraph
3.2.
At power turn-on or when reset, all VXI-5534 serial channels default to the Command Mode.
Anything sent to the serial channels while they are in the Command Mode is considered a command.
Use the command mode to configure the serial channels as described in paragraph 3.3.3. below and
to query the channels.
The serial channels must be individually put into the Data Mode before sending data and to enable
the UART to receive data. In the Data Mode, the serial channels transparently transfer data between
the serial ports and the VXIbus. Any thing sent to the serial channels while they are in Data Mode
is considered data.
The VXI-5534 uses Word Serial Commands to switch the serial channels between Command Mode
and Data Mode. If you are not familiar with the VXI Word Serial Command concept, refer to
paragraph 3.7 for more information about using Word Serial Commands with the VXI-5534. The
Word Serial DataMode command is 0000 hex (0x0). The Word Serial CmdMode command is 0100
hex (0x100)
3-5
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3.3.3
Configuring the Serial Interface
If this is the initial use of the VXI-5534, its interfaces should be configured at this time. Table 3-3
lists the VXI-5534's Configuration Commands, the command definitions and the factory default
settings. Reset the unit or use the Word Serial CmdMode command (0100 hex) to put the channel
into the command mode. The suggested approach is to use the CONFIG? query to read the current
configuration and then to make the necessary changes to adapt the channel to your use. After
configuring a channel, use the CONFIG? query to verify that all changes were made. Use the 488.2
*SAV 0 command or the VXI-5534 SAVE command to save the current configuration as the new
power-on default values. Saving the values completes the configuration process . The VXI-5534
will used the saved values to setup the unit anytime it is reset or turned on.
Use the Word Serial DataMode command (0000 hex) to switch back to data mode and enable data
transmission/reception.
The user can override the current VXI-5534 configuration at any time by putting the channel into the
Command Mode and sending it a new Configuration command. Configuration values are reset to
the saved values at power turn-on or when the unit is reset.
3-6
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3.4
VXI-5534 CONFIGURATION COMMANDS
The VXI-5534 accepts SCPI like commands to configure its serial interfaces and its operation. The
commands are sent to the VXI-5534's serial channel as Word Serial Messages when the channel is
in the Command Mode. The channel goes into the Command Mode at power turn-on, when reset or
by the Word Serial CmdMode command (see Table 3-6).
3.4.1
Command Formats
The VXI-5534 commands are single word commands and do not have SCPI's tree and branch
structure. The commands are not case sensitive so upper or lower case letters may be used for
legibility. A space is required between the command and a parameter but not between the command
and the question mark. Multiple commands can be put on one line by separating them with
semicolons. When multiple commands are used, any query should be the last command. The
following examples show some legal command variations:
BAUD 9600
DEFAULT; BAUD 19200
BAUD 9600; BITS 8; CONFIG?
3.4.2
Configuration Command Table
Table 3-3 lists the configuration commands and describes their functions in detail. Commands other
than those listed in the table will have no affect on the VXI-5534's operation and a command error
will be reported. If the display indicates an error, the VXI-5534 may have detected a command error
and the command was not executed. Read the channel's ESR register to determine the cause of the
error. Unless the previous setup is known it is recommended that the DEFAULT command be sent
to the unit when changing the configuration.
3-7
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TABLE 3-3 VXI-5534 CONFIGURATION COMMAND LIST
Command
Default
Description
BAUD <numeric>
9600
Sets baud rate. Allowed values are: 150,300,600, 1200, 2400, 4800,
7200, 9600, 14400, 19200, 28800, 38400, 57600, 76800 and 115200.
BAUD# <numeric>
-
Sets baud rate to a user defined rate up to 153.6 Kbaud. The numeric
value is computed per the following equation:
Clock frequency
-2
2 x Baud Rate x Divider Ratio
where: clock frequency is 14.7456 MHz and the Divider
Ratio is 16 unless changed by the EXTERN CLKX1 command
For a baud rate of 7200, the time constant computation is:
((14.7456 x 106 )/(32 x 7200))-2 = 62
BITS <numeric>
8
Sets number of data bits per character. Allowed values are:
5,6,7, and 8.
CONFIG?
-
Requests current configuration message. Default values message is:
BAUD=9600, BITS=8, SBITS=1, PARITY=NONE, PACE
=NONE, TYPE=232, TERMRES=OFF, EXTRN=OFF, CLK=X16,
LOOPBACK =0FF.
DEFAULT
-
Sets all parameters to default values and re-initializes the
serial interface. Default values are listed in above CONFIG? response.
CAUTION - This command resets the hardware portion of both
serial channel pairs: 1&2 or 3&4.
EXTRN RECV <bool>
OFF
Selects external clock for received data. Allowed entries are
ON, OFF
EXTRN TRANS <bool>
OFF
Selects external clock for transmit data. Allowed entries are
ON, OFF
EXTRN OFF
ON
Selects internal clock for transmit and receive data and sets
divider ratio to 16. Allowed entries are ON, OFF
EXTRN CLKX1
X16
Selects X1 Divider Ratio for internal and external clocks.
EXTRN CLKX16
X16
Selects X16 Divider Ratio for internal and external clocks.
LOOPBACK <bool>
OFF
Enables data loopback in the UART and at the interface
driver level for testing. Allowed entries are: OFF, INT (UART)
and EXT (Drivers). CAUTION - This command will transmit
data on the RS-485 driver regardless of the type setting.
Disconnect any cable connected to the serial channel or turn off
the external serial device to prevent disturbing the external serial
device.
PACE <alpha>
NONE
Enables X-on/X-off flow control. Allowed entries are: XON
and NONE.
3-8
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TABLE 3-3
Command
VXI-5534 CONFIGURATION COMMAND LIST
Default
Description
PARITY <alpha>
NONE
Enables parity generation and checking. Allowed entries are:
EVEN, ODD, NONE
PDEFAULT <alpha>
CMD
Sets the power-on default to CMD or DATA mode. Follow the
PDEFAULT command with a SAVE command. Allowed
entries are CMD or DATA
SAVE
-
Saves the current configuration in EEPROM. Same function as
the 488.2 *SAV 0 command.
SBITS <numeric>
1
Sets number of stop bits per character. Allowed entries are: 1,
or 2
SET BUFINT <numeric>
0
Used for binary data. Sets receive buffer byte count that sets Bit 0 in
theStatus Byte Register. Bit 0 is set when byte count >= set value.
Value is 0 to max buffer size. A value of 0 disables this function.
SET EOM <value>
0A
Used for ACSII data. Sets the End-of -Message byte to the specified
value. Sensing the EOM character sets Bit 0 in the Status Byte
Register. The End bit is assered when the EOM character is put on the
VXIbus. Value is two hex characters, 00 to FF. FF disables EOM
character checking and the End bit is asserted when the last byte in the
buffer is put on the VXIbus.
SET MASK <value>
FF
Sets the input character mask. A 0 bit causes the VXI-5534 to
drop the bit from the received character. Default value varys
with the number of data bits. Mask value is 00 to FF in hex.
Default = FF for 8 bits, 7F for 7 bits,
3F for 6 bits and 1F for 5 bits.
STORE <n>, <string>
-
Stores string in buffer (n). Allowed buffers are: 0, 1, 2, etc.
String can be any combination of characters up to 2046 bytes long.
TERMRES <bool>
Switches in terminating resistor network in RS-485 modes. Allowed
entries are ON or OFF (not 1 or 0). Default is OFF.
TRIGGER <n>
-
Starts transmission of data stored in specified buffer. n=0 to 3.
TYPE <alpha>
232
Selects RS-232/RS-423 or RS-485 Drivers/Receivers and serial
operating mode. Allowed entries are:
232
(automatic full duplex),
485 or 485FD
(RS-485 with full duplex)
485HD
(RS-485 with half duplex)
Field
Definition and Syntax
<alpha>
<bool>
<n> or <numberic>
<string>
Value expressed as ASCII characters
Logical value, either 0 and 1 or OFF and ON
Integer value from 0 to max value. HEX entries are only in capital letters
ASCII characters(s)
3-9
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3.5
PROGRAMMING GUIDELINES
3.5.1
Setting the Baud Rate
The majority of baud rates can be entered with BAUD command as shown in Table 3-3. Nonstandard
baud rates up to 153.6 Kbaud can be entered with the BAUD# command by entering a time constant.
The time constant is for Zilog Z8530 SCC chip and is computed as shown in Table 3-3. The Divider
is 16 for RS-232 signals but it can be changed to 1 when Type is set to 485. Note that not all baud
rates come out as integers. Round the result to an integer value and compute backwards to see if the
selected value is accurate enough for your needs. Otherwise change the baud rate crystal in the VXI5534 or use an external clock. Units may be ordered with special crystal frequencies by specifying
the -1 option.
CAUTION - The combined baud rate for a channel pair (1&2 or
3&4) should not exceed 230.4 Kbaud.
Some typical configuration commands are:
DEFAULT <nl>
BAUD 28800 <nl>
BITS 7 <nl>
TYPE 485FD <nl>
CONFIG? <nl>
*SAV 0 <nl>
//sets channel to known values
//sets 28,800 baud
//sets 7 data bits
//sets 485 full duplex operation
//reads the current configuration
//saves current configuration as the default power-on/reset values
For standard asynchronous transmission, the VXI-5534 generates and uses its internal baud rates to
send or receive data. However, it is sometimes necessary to use external clocks when sending data
to a high-speed data transmission system that multiplexes the data into a higher speed communication
link or when operating with high speed modems. An example is a 64 Kbaud channel that is
multiplexed into a T1 carrier. The VXI-5534 can be set to use 1X or 16X external clocks or to supply
its transmit clock frequency to the external device.
External clocks may be programmed in the RS-485 mode only. When TYPE 485FD or 485HD is
selected, the internally generated baud rate is available on the CLKO pins of the serial connector. The
clock output will be 1 times or 16 times the baud rate depending upon the setting of the clock divider.
The input and output clocks must be the same ratio. Reprogram the baud rate after setting the clock
divider. Use the EXTRN commands to enable or disable the external clocks.
e.g.
For a 7,200 baud rate:
Clock Frequency
2 x Baud Rate x Divider Ratio
-2
14745600
2 x 7200 x 1
=
vxiWSOutput( 16, "EXTERN OFF");
vxiWSOutput( 16, "EXTERN CLKX1");
vxiWSOutput( 16, "BAUD# 510");
Note: -
-2
= 1022
//select internal clocks
//set internal divider to 1 for x1 transmit clock
//set 7200 baud rate
vxiWSOutput is an ICS VXI-5543 Slot 0 Controller command, 16 is the logical address for VXI-5534 Channel #1
3-10
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3.5.2
Sending Data
The easiest way to transmit data is to simply address the desired serial channel and send it the data.
Use the Word Serial DataMode command (0000 hex) to put the serial channel into the data mode.
Next send it the desired output string as a Word Serial Message. The VXI-5534 will place the output
string in its transmit buffer and then output it at the set baud rate.
If the transmit message exceeds the transmit buffer size, the message will have to be sent in blocks.
The easy way to send blocks is to write the first block into the serial channel's Transmit Buffer.
Enable Bit 2 in the Status Byte to generate an interrupt when the Transmit buffer is empty or
periodically query the Status Byte with the Word Serial Command ReadSTB to check the bits status.
When the bit is high, load the next block of data into the transmit buffer. If Bit 2 was enabled and
interrupts were used, the bit will have to be disabled after all of the data has been transmitted to avoid
unwanted VXIbus interrupts. The following example polls Bit 2.
An example program is:
Do until data sent
When buffer empty
Write data block
Do until Bit 2 high
Wait - minimum of 1/10 of block send time when testing Status Byte
Test STB bit 2
Loop
Loop
3.5.3
Using the Trigger Buffers
Each VXI-5534 serial channel has 4 or 8 trigger buffers depending upon the size of the memory in
the slave processors. Transmit data can be stored in the trigger buffers and output upon receipt of
a VXI trigger, a VXI-5534 TRIGGER command or an IEEE-488.2 *TRG command. To store data,
use the Word Serial CmdMode command to put the channel into the command mode. Use the
STORE command to place data in the desired trigger buffer.
e.g.
vxiWScmd (16, 0x0100) ;
//logical address 16 is channel #1
vxiWSOutput (16, "STORE 1, test data string" ); //places "test data string" in Buffer #1.
vxiWScmd (16, 0x0000);
//set Data Mode and enable receivers
vxiWScmd (16, 0x0218);
//enables buffer to be triggered
vxiWScmd (16, 0xEDFF);
//trigger starts data transmission
The serial channels respond to four types of triggers: the Word Serial Trigger command, the VXI5534 Trigger command, a 488.2 *TRG command or a VXIbus TTL Trigger pulse. The *TRG and
VXI TTL Trigger pulse require that the unit be first sent the ARMTRIGGER command (Paragraph
3.6.2) to specify the trigger buffer and to select the VXIbus TTL Trigger line. Software trigger
commands can only be sent to one channel at a time while the TTL trigger pulse can be used to trigger
several channels at the same time. Note - Software trigger commands overwrite the buffer number
set by the ARMTRIGGER command. Any subsequent VXIbus TTL Trigger or *TRG command will
require a new ARMTRIGGER command to reset the buffer number.
3-11
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3.5.4
Receiving Data
The serial interface always inputs data in the Data Mode as long as the control lines are in their high
state and there is room in the receive buffer. Do a Word Serial read to read out the received data. This
works for simple applications where the data is known to be received prior to reading the data. A
more advanced method is to let the VXI-5534 collect the data and then read the data when the VXI5534 indicates that it has a complete message or the required number of characters.
If the input data is one or more strings of ASCII characters, the user should let the VXI-5534 buffer
the received characters into a complete string or message before attempting to read the data. This
will minimize the amount of time it takes to transfer the message over the VXI backplane. Use the
SET EOM command to enable the VXI-5534 to detect the end of message character. When EOM
character checking is enabled, each received character is compared against the EOM character
pattern. If any character matches the EOM pattern, the serial channel sets bit 0 in the Status Byte.
The user can sample the Status Byte Register and read the complete message when the Bit 0 bit is
set. Resample the Status Byte Register after reading the string to test for more messages in the buffer.
CAUTION - To avoid false EOM bit indications, allow approximately 250 microseconds for the VXI-5534 to clear the EOM bit
after reading a received message.
If the serial message is composed of binary data, EOM character checking must be disabled by setting
the EOM pattern to FF. In a simple application, the user can wait until the expected message is
received then read it out. The VXI-5534 will assert the END bit when outputting the last character
in the buffer. The user can then sample the Status Byte Register and test Bit 1 to see if there is any
more data in the buffer. The reading should continue until the complete binary message has been
read.
CAUTION - If the user's program has a fast response time, the
user may see a false end bit when reading data from slow baud
rate systems. The proper procedure is to read the binary data in
a loop that reads the expected byte count. A typical read loop is:
Do until n bytes read
Input (channel address#, instring)
databuf = databuf + instring
//read a portion of the data
//combine portions into
the data buffer
Loop
Another method to input binary data is to have the VXI-5534 test for a received byte count and set
Bit 0 in the Status Byte Register when the number of bytes in the receive buffer equals or exceeds
the set byte count. Byte count checking is normally disabled and is enabled by setting the count to
a nonzero value with the BUFINT command. The user can sample the Status Byte Register and read
the binary message or a portion of it each time the Bit 0 bit is set. Use a read loop similar to the one
described above when reading binary data. There is normally no timing problem when re-sampling
Bit 0 since the number of bytes in the buffer normally drops below the set count several milliseconds
before the complete message has been read out of the buffer.
3-12
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3.5.5
Reading the VXI-5534's Status Byte
There are several ways the user can test the VXI-5534 to see if there is data in the receive buffer. The
simplest way is to use the Word Serial ReadSTB command to read the channel's Status Byte. This
can be done while the channel is in the Data Mode and does not interfere with receiving data. Bit
0 is set when there is are one or more serial messages (EOM characters) in the receive buffer or the
number of bytes in the receive buffer exceeds the preset character count. Bit 1 is set when there is
data in the receive buffer. Refer to paragraph 3.6 and Figure 3-3 for a complete description of the
VXI-5534's Status Reporting structure and Status Byte Register. If the test for data is positive, branch
to a routine to input the data.
CAUTION - Do not read the Status Byte by a tight program loop.
This ties up the VXI-5534 processors, wastes controller time and
could result in lost data. Instead sample the Status Byte no more
often than 1/10 the time estimated to receive the serial message.
3.5.6
Using VXIbus Interrupts to Input Data
A more sophisticated approach to inputting data is to have the VXI-5534's serial channel generate
an interrupt when it has a message or the desired character count in the receive buffer. Interrupts are
enabled by setting the Status Byte enable bits so that bit 0 can generate an service request. If the
corresponding enable bits are set, a logic 1 in an enabled bit will set the RQS/MSS bit 6) and generate
an interrupt if an interrupt level has been assigned to the serial channel and it is enabled. If your
Resource Manager does not automatically assign an interrupt line, refer to its instruction manual for
directions on manually assigning an interrupt line. The following example shows how to enable a
serial channel to generate interrupts.
e.g.
vxiWScmd (17, 0x0100) ;
vxiWSOutput (17, "SET EOM FF" );
vxiWSOutput (17, "SET BUFINT 128" );
vxiWSOutput (17, "*SRE 01" );
//sets channel #2 to Command Mode
//disables EOM character checking
//sets character count to 128
//enables Status Byte bit 0 to generate an
interrupt
//sets channel #2 to Data Mode
vxiWScmd (17, 0x0000) ;
When binary data is being inputted, the interrupt service routine should read the number of bytes that
caused the interrupt. Depending upon the data flow rates, it may improve the overall performance
to retest the Status Byte Register to see if there is more data in the receive buffer before exiting the
service routine. When character counts >10 are being used, bit 0 in the Status Byte will be reset by
the time that the message has been read.
When ASCII data is being inputted and EOM checking is enabled, the interrupt service routine
should read a message and exit the service routine. Allow 250 microseconds after reading a message
from the VXI-5534's receive buffer before retesting Bit 0 to avoid false EOM indications. This delay
time may have to be increased if the slave processor is busy receiving data or servicing the other serial
channel. Note that VXI interrupts are only generated when Bit 0 sets. If multiple messages are
expected, either the interrupt routine will have to test for presence of another message before exiting
the routine and/or Bit 0 will have to be tested in the program's main line. Adding a periodic test of
Bit 0 in the program is good insurance against any data loss and system hang-ups.
3-13
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3.5.7
Controlling the VXI-5534 with Multi-Tasking Operating Systems
Outputting data to the VXI-5534 from a task in a Multi-Tasking environment does not require any
special considerations. However, when inputting data from asynchronous sources, the user needs
to insure that input tasks are not blocked by other tasks of equal priority. In addition, input tasks
should verify that a message or data is in the VXI-5534's receive buffer before issuing a Word Serial
message read. When a message read function is called, the task hangs until a message is received
or the function times out. When a message is present in the receive buffer, the 'hang' time is only the
time it takes to transfer the message over the VXIbus.
If multiple tasks are inputting data from channels on the a VXI-5534 using this approach, they will
alternate in inputting messages and the channel with the highest message rate will eventually fill up
and lose data . To avoid this problem, each task should do a Word Serial ReadSTB and test for data
or for a message in the buffer. If none is present the task should 'sleep' until the next sample time.
Task timing should be set so avoid polling the VXI-5534 channel at a rate higher than 1/10th of the
estimated message receive time. High polling rates needlessly tie up the VXI-5534's processors. In
addition, 'print' statements in tasks may cause them to occupy excessive amounts of CPU time due
to delays in the operating system or text output queue problems. The following "Do's" and "Do Not's"
summarizes these considerations.
Do
1. Check for data or messages in a task and sleep if none found.
2. Set all input tasks to the same priority
3. Set task timing to limit Word Serial ReadSTB commands to 1/10 of the message receive time or
less. (The fewer samples the better).
Do Not
1. Issue Word Serial message reads without first checking for data or messages in the receive buffer.
2. Print messages to the console from input tasks. (If this is done during debugging, be aware that
the print queue can back up and stop the task)
3. Poll the serial channel at a rate faster than 1/10 of the message receive time.
3-14
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3.6
488.2 COMPLIANCE
3.6.1
488.2 Common Commands
Operation Complete
Query Error
not used
Execution Error
Command not Executed
Command Error
not used
Power On
The VXI-5534 responds to all of the required IEEE-488.2 common commands. The 488.2
commands may be sent to the serial channels as Word Serial messages while the serial channels are
in the command mode. Table 3-5 lists the 488.2 Common Commands and their affect on the VXI5534. Note that the *RCL, *RST and *SAV commands affect both channels in a channel pair.
Standard
Event Status
Register
*ESR?
7 6 5 4 3 2 1 0
Logical OR
&
&
Queue
Not-Empty
&
&
&
&
&
&
Standard
Event Status
Enable
Register
*ESE <NRf>
*ESE?
7 6 5 4 3 2 1 0
Receive Data Error
Transmit Buffer Empty
Data in Rx Buffer
Message in Rx Buffer
Output Done
RQS
Service
Request
Generation
{
read by Serial Poll
7 6 ESB MAV 3 2 1 0 Status Byte Register
read by *STB?
MSS
&
Logical OR
Capabilities
Output Queue
&
&
&
&
&
&
{
Figure 3-2
7
5 4 3 2 1 0
Service Request
Enable Register
*SRE <NRf>
*SRE?
VXI-5534 IEEE-48.2 Reporting Structure
3-15
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3.6.2
488.2 Status Reporting Structure
Each serial channel has its own IEEE-488.2 Status Reporting Structure as shown in Figure 3-3. The
VXI-5534's Status Reporting Structure conforms to the IEEE-488.2 Standard and includes five
additional information bits in the Status Byte Register for reporting the status of the Receive and
Transmit Registers. These bits are included in the Status Byte Register so that the programming and
operation match that of ICS's earlier Model VXI-5535 Multifunction interface Module.
In the 488.2 status reporting structure of Figure 3-3, SRQ generation is a multilevel function and is
determined by the occurrence of a bit that has its corresponding enabling bit set to a '1'. When any
of the enabled Event Status Register bits are set, they set the ESB bit (Event Summary Bit) in the
Status Byte Register. When any of the enabled Status Byte Register bits are set, an SRQ is generated
and the RQS bit is set. The SRQ would be reported as a VXI interrupt if a VXI interrupt line is
assigned to the serial channel. The Status Byte Register can be queried at any time by a Word Serial
Query or with the *STB? query (command mode). Querying the Status Byte Register only resets
the RQS bit. The Event Status Register can be queried with the *ESR? query (command mode).
Querying the Event Status Register resets all of the Event Status Register bits and the ESE bit in the
Status Byte. The VXI-5534 does not use bits Bit 6 and Bit 1 in the Event Status Register.
At power turn-on or when the VXI-5534 is reset, all of the enabling registers are set to their saved
values. When enabling or querying the ESE and SRE registers, the register values are expressed as
decimal numbers. The decimal numbers represent the sum of the binary values for the enabled bits.
e.g. 60 = 4 + 8 + 16 + 32 for bits 2-5. The *ESE and *SRE commands are used to change the enabling
register values for the addressed serial channel. New values are saved with the 488.2 *SAV 0
command. Table 3-4 lists the recommended settings for the Event Status and Status Byte enable
registers for normal send-receive operation.
TABLE 3-4
RECOMMENDED ESE AND SRE BIT VALUES
Register
Recommended
Value
Comments
ESE
SRE
60 (3C HEX)
41 (29 HEX)
All error reporting bits enabled
Received message, received data error, and Event Status Summary
bit enabled
Bits in the Status Reporting Structure registers are set when the reported condition occurs. Event bits
in the Event Status Register are cleared when read or by the *CLS command. Bits in the Status Byte
Register are cleared when the condition changes. The exception to this rule is the RQS bit and the
Receive Data Error bits which are cleared when read. The clearing response time for the remaining
Status Byte Register bits is approximately 250 microseconds after the end of the reported condition.
3-16
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TABLE 3-5 IEEE 488.2 COMMAND LIST
Command
Factory
Setting
488.2 Function
*CLS
-
Clears all Event Registers and updates Status Byte register. The MAV bit is only
cleared if the *CLS is the first message in the command line.
*ESE<mask>
0
Sets the bits in the Event Status Enable Register to the <mask> value. The
<mask> value is an integer between 0 and 255 whose binary equivalent is the state
of the '1' and '0' bits in the register. If the <mask> value is not between 0 and 255,
an Execution Error is generated.
*ESE?
-
Queries the current contents of the Event Status Enable Register. Response is a
decimal value between 0 and 255.
*ESR?
-
Queries and clear contents in the Standard Event Status Register. Response is a
decimal value between 0 and 255.
*IDN?
Returns the unit's identification message which consists of four fields separated
by commas: manufacturer, model, serial number and version number (date). e.g.
"ICS Electronics Corp.,VXI-5534, S/N 012345, Rev. X0.X0 (07-01-95)"
*OPC
-
Sets OPC bit in the Standard Event Register when all pending operations are
completed.
*OPC?
-
Returns a "1" to the output queue when all pending operations have completed.
*RCL <value>
-
*RST
-
Restores state of the serial channel's configuration to the values stored in the
EEPROM by the *SAV command. Also resets the other channel in the
channel pair (1&2 or 3 & 4) *RCL 0 restores the power-on settings. <value>
=0
Resets the serial channel to its saved configuration. Same action as *RCL above.
*SAV <value>
-
Saves current serial channel's configuration in the EEPROM. *SAV 0 saves the
current setting as the power-on setting. <value> = 0. Wait 30 ms after the *SAV
command before readdressing the VXI-5534.
*SRE<mask>
0
Sets the enable bits in the Service Request Enable Register to the <mask> value.
The <mask> value is an integer between 0 and 255 whose binary equivalent is the
state of the '1' and '0' bits in the register. If the <mask> value is not between 0
and 255, an Execution Error is generated.
*SRE?
-
Queries the current contents in the Service Request Enable Register. Response
is a decimal value between 0 and 255.
*STB?
-
Queries the current contents in the Status Byte Register. Response is a decimal
value between 0 and 255.
*TRG
-
Transmits contents of buffer specified by the last ARMTRIGGER or Trigger n
command.
*TST?
-
Returns the results of the VXI-5534's last self test. Value is the sum of the
folowing codes: 1 = EEPROM error, 8 = Port #1, 16 = Port #2, 32 = Port #3. Value
= 0 if there are no errors.
*WAI
-
Prevents the serial channel from executing any further commands or queries until
the No-Operation-Pending flag is TRUE.
3-17
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3.7
VXI WORD SERIAL COMMANDS
VXIbus systems use Word Serial Commands for handshaking data, controlling and querying VXI
devices. Word Serial Commands are single word commands that contain 16 bits of information.
They differ from Word Serial Messages which are multiple character messages that transfer 8-bit
data characters or ASCII character strings to or from the VXI device. The VXI-5534 always
recognizes Word Serial commands regardless of the serial channel's transmission mode. (Refer to
the VXIbus Glossary in Section 1 for more information about Word Serial Commands and
Messages.)
Table 3-6 lists Standard and ICS Defined Word Serial Commands. Note that the Model VXI-5534
does not respond to commands marked with a pound sign (#). These commands are included for
reference purposes only.
3.7.1
Standard Word Serial Commands
The VXIbus Specification defines a standard set of Word Serial commands to control the VXIbus
device. Word Serial commands are typically used to configure or query the devices's VXI interface.
Table 3-6 lists the Word Serial Commands recognized by the VXI-5534. Non-supported commands
are noted by a #.
3.7.2
ICS Defined Word Serial Commands
The VXI specification allows a device manufacturer to create device specific Word Serial Commands where they make sense for the device. ICS has defined several new Word Serial commands
for the VXI-5534 Quad Serial Module to enhance its operation. The new commands are:
CmdMode (0100 HEX)
DataMode (0000 HEX)
Arm Trigger
Enables the serial channel to recognize word serial messages
as commands.
Sets the serial channel to its transparent data mode.
Selects a data buffer to be transmitted when triggered.
The Arm Trigger command is coded so that it includes the buffer number, an enable/disable bit and
the TTL trigger line value. The command format is '0000 0010 bbbb ettt' in binary. The bbbb field
contains the buffer number (0-15). The e bit enables the buffer when set to a logic '1'. The ttt field
selects a VXI TTLTrigger line (0-7). An example is:
3-18
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021B HEX would set buffer 1 to be triggered on TTLTriger line #3
TABLE 3-6
VXI-5534 WORD SERIAL COMMAND LIST
Command
Hex
Code
Function
Abort Normal Operation
C8FF
Cease normal operation and return to default configuration.
ArmTrigger
02xx
Selects a buffer to be transmitted when triggered and the
TTLTrigger line. Command format is:
0000 0010 bbbb ettt where:
b = buffer number, e = enable and t = trigger line
Assign Handler Line
A9xx
Assigns a IRQ line to an Interrupt Handler in the device.
Assign Interrupter Line
AAxx
Assigns a IRQ line to an Interrupter in the device.
Async Mode Control
A8xx
Directs the way a device responds to events.
Begin Normal Operation
FCFF
Notifies a device to begin normal operation.
Byte Available
BCdd
Sends a data byte to a servant. The code for the last byte with the
END bit asserted is BDdd.
Byte Request
DEFF
Reads a data byte from the servant device.
Clear
FFFF
Clears a device's VXIbus interface, buffers and reinitializes the SCC
chip for a channel pair (channels 1&2 or 3&4)
Clear Lock
EFFF
Device exits lock state.
CmdMode
0100
Sets a Serial Channel to its command mode. All subsequent
Word Serial Messages will be parsed as commands.
Control Event
AFxx
Enables generation of events in a device.
Control Response #
8Fxx
Enables response signals or response interrupts.
DataMode
0000
Sets a Serial Channel to its transparent data mode. All subsequent
Word Serial Messages will be transmitted as serial data.
End Normal Operation
C9FF
End normal operation an orderly fashion. The device becomes
inactive.
Grant Device #
BFaa
Provides logical device addresses to a servant commander.
Identify Commander #
BEaa
Tells a servant the commander's logical address.
3-19
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Read Handler Line #
8Cxx
Determines which IRQ line a handler is connected to.
Read Handlers #
C7FF
Determines the number of Interrupt Handlers in a servant.
TABLE 3-6
VXI-5534 WORD SERIAL COMMAND LIST
Command
Hex
Code
Function
Read Interrupt Line
8Dxx
Determines which IRQ line a particular Interrupter in a servant is
connected to.
Read Interrupters
CAFF
Determines number of Interrupters in a device.
Read MODID #
CCFF
Determines state of MODID lines from the Slot 0 Controller.
Read Protocol
DFFF
Finds what protocols a servant device supports.
Read Protocol Error
CDFF
Tells a servant to report its current error state.
Read STB
CFFF
Reads devices status word. Equivalent to 488.2 *STB? query.
Read Servant Area #
CEFF
Reads servant area size from servant commanders.
Release Device #
8Eaa
Tells a commander to relinquish control of a device.
Set Lock
EEFF
Tells a device to enter its locked state,
Set Lower MODID #
AExx
Changes the state of the lower eight MODID lines controlled
by the Slot 0 Controller.
Set Upper MODID #
ADxx
Changes the state of the upper eight MODID lines controlled
by the Slot 0 Controller.
Trigger
EDFF
Trigger a previously armed operation. In the VXI-5534, the
Trigger command can be used to transmit data previously s
tored in a transmit buffer.
Notes: aa = logical address field, dd = data field, xx = fill-in field
# = commands not supported by the VXI-5534
3-20
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4
Theory of Operation
4.1
BLOCK DIAGRAM DESCRIPTION
The Block Diagram for the VXI-5534 Quad Serial Interface Module is shown in Figure 4-1. The
VXIbus is at the top of the figure. The upper section contains the VXIbus interface logic and registers.
The lower section contain the two slave processors which are responsible for the four serial channels.
Both slave processors are identical and have the same capabilities.
4.2
MASTER PROCESSOR
The VXI interface is controlled by the VXI Master Processor. Attached to the Master Processor is
the EPROM for program storage, an E2PROM for storing configuration data, a RAM for temporary
storage and the address and display logic. The VXI Interface is a 16 bit wide dual port RAM that
contains all of the VXI registers for all four channels. Communication between the VXI-5534 and
the VXIbus is done by passing data and signals through the dual port RAM. The VXI TTL Triggers
and IRQ lines are handled by separate logic. Data or messages for the serial interfaces are routed
across the master bus to the appropriate slave processor. The Master Processor decodes and
processes the Word Serial Commands.
The Master Processor also controls the 4 digit LED display. The display is automatically updated
with the module's status during turn-on, initialization and self test. During normal operation, the
display shows the current addressed serial channel.
Data transfer between the Master and slave processors is via the master bus and Bus Arbitration logic.
Flags allow the mater processor to read and write messages into each slave processors memory. Each
of the four internal devices is accessed via a separate VXI device address. The VXI Master Processor
receives data from the VXIbus and places it in the RAM of the addressed interface via the Bus
Arbitration Logic.
4-1
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VXI BUS
INTERFACE RAM
&
HANDSHAKE LOGIC
&
INTERRUPTER
VXI
MASTER
µP
EPROM
EEPROM
RAM
ADDRESS SW
&
DISPLAY
MASTER BUS
EPROM
BUS
ARBITRATION
LOGIC
EPROM
BUS
ARBITRATION
LOGIC
RAM
SLAVE 1 BUS
RAM
SLAVE 2 BUS
S/P
SLAVE 1
µP
S/P
SLAVE 2
µP
CHANNEL 1
CHANNEL 2
CHANNEL 3
CHANNEL 4
SERIAL
INTERFACE
SERIAL
INTERFACE
SERIAL
INTERFACE
SERIAL
INTERFACE
RS-232
RS-422
RS-485
RS-232
RS-422
RS-485
RS-232
RS-422
RS-485
RS-232
RS-422
RS-485
Figure 4-1
VXI-5534 Block Diagram
4-2
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4.3
SLAVE PROCESSORS
Each slave processor has its own EPROM and RAM. The EPROM provides program storage and
the RAM stores the received and transmit data for two serial channels. Each slave processor contains
its own self test routines, input command parser, and data input/output routines. Slave Processor #1
controls serial channels 1 and 2. Slave processor #2 controls serial channels 3 and 4.
For standard VXI-5534 modules, the slave processors have 32 Kbytes of RAM memory. For VXI5534s with extended memory, the slave processors have 128 Kbytes of RAM memory. The
additional memory is used to expand the size of the transmit and receive data buffers.
VXIbus messages are placed in the slave processor's RAM by the Master Processor. The slave
processor parses the VXI commands to control its interfaces or to return the requested response. VXI
data messages are placed in a RAM buffer and then transmitted out the appropriate serial port.
Received serial data is placed buffered in the slave processors RAM and an interrupt is generated to
the Master Processor. The Master Processor generates any necessary VXIbus interrupts. When the
appropriate serial channel is addressed, the Master Processor reads the data or message from the slave
processors RAM and outputs it on the VXIbus.
Setup information is stored in the slave RAM and transferred to and from the E2PROM by the Master
Processor at power-on time or after a slave processor interrupt.
4-3
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5
Maintenance
5.1
INTRODUCTION
This section describes the maintenance, troubleshooting and repair procedures for the VXI-5534
Interface card. The VXI-5534 does not require periodic calibration and has no internal adjustments.
5.2
TROUBLESHOOTING PROCEDURES
5.2.1
Self Test Failures
The VXI-5534 has a built in self test routine which is designed to detect basic circuit faults. The self
test routine checks the PROM, RAM, E2PROM and to some extent, the interface chips. Any self
test failure is indicated by a FAIL message followed by an error code (ERxx). These codes and
possible repair procedure are given in Table 5-1.
Note that Table 5-1 only gives an approximate location of the problem and some possible solutions.
When Table 5-1 recommends "Replace" then it is a definitive fault and the replaced part is the most
likely problem. When Table 5-1 says "Try", the suggested solution is not definitive and the user
should use an oscilloscope and other test equipment to narrow the problem down to a specific part.
Other failures are not field repairable and the unit must be returned to ICS for repair. Refer to
paragraph 5.4 for return instructions.
Units under warranty should be returned to the factory for repair. Any attempts to repair a unit with
out ICS's specific approval will void your warranty. If a failure is experienced, contact ICS before
proceeding with any repairs.
5-1
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Table 5-1
Error Messages
TROUBLESHOOTING GUIDE - error messages
Definitions
Action
ER01
VXI EPROM check sum error
Replace the VXI processor EPROM, U62.
ER02
VXI RAM error
Replace the VXI processor RAM, U61.
ER03
VXI E2PROM check sum error
Enable E2PROM initialization by setting Address
switch bit 1 On. Reset the system twice or power
the unit up. If the error persists past two times,
replace E2PROM U63 and repeat the above
procedure. Turn bit 1 of the Address Switch off
when done.
ER04
VXI interface register error
Replace dual port RAM, U51 and U60. U59 is
the lower 8 bits so try it first. Retest. If problem
persists, try U60.
ER10
Slave #1 No Response Error
Slave processor may be dead or its clock is bad.
Check clock input at U26 pin 3 for square wave
and data and address buses for U31 for activity
ER11
Slave #1 EPROM error
Replace the Slave processor #1 EPROM, U23.
ER12
Slave #1 RAM error
Replace the Slave #1 processor RAM, U22.
ER15
VXI → Ser 1 RAM buffer error
Try replacing the Slave #1 processor RAM, U22.
If the problem persists the bus arbitration logic
may be at fault. Return unit to factory for service.
ER16
VXI → Ser 2 RAM buffer error
Try replacing the Slave #1 processor RAM, U22.
If the problem persists the bus arbitration logic
may be at fault. Return unit to factory for service.
ER18
Serial 1 interface error
Try replacing UART, U25 or interface chips U2
and U12.
ER19
Serial 2 interface error
Try replacing UART, U25 or interface chips U5
and U15.
ER20
Slave #2 No Response Error
Slave processor may be dead or its clock is bad.
Check clock input at U27 pin 11 for a square
wave and data and address buses for U36
ER21
Slave #2 EPROM error
Replace the Slave #2 processor EPROM, U35.
ER22
Slave #2 RAM error
Replace the Slave #2 processor RAM, U34.
ER25
VXI → Ser 3 RAM buffer error
Try replacing the Slave #2 processor RAM, U34.
If the problem persists the bus arbitration logic
may be at fault. Return unit to factory for service.
5-2
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Table 5-1
Error Messages
TROUBLESHOOTING GUIDE - error messages cont'd
Definitions
Action
ER26
VXI → Ser 4 RAM buffer error
Try replacing the Slave #2 processor RAM, U34.
If the problem persists the bus arbitration logic
may be at fault. Return unit to factory for service.
ER28
Serial 3 interface error
Try replacing UART, U28 or interface chips U7
and U17.
ER29
Serial 4 interface error
Try replacing UART, U28 or interface chips U10
and U20.
ER??
Unknown error
Retest, if problem persists return unit to factory
for service.
5.2.2
Operating Problems
Table 5-2 list some of the more common problems experienced by VXI-5534 users and their possible
solutions. If the problem you are experiencing is not in Table 5-2, try debugging your program by
adding error checking to the Word Serial Commands. Add print statements to see the errors. Refer
to your Slot 0 Controller manual for a list of the errors and their meaning.
TABLE 5-2
Problem
TROUBLESHOOTING GUIDE - User Problems
Possible Cause
Action
Cannot set VXIbus
Interrupts
Unit in Began Normal Mode
Use the Resource Manager to return the unit to the
Init Mode, set the VXI interrupt line and return the
unit to Began Normal.
RS-232/RS-423
not working
Units wired wrong
Check Tx and Rx signals for correct direction.
Remember, DTE to DTE connections need a null
modem crossover. Also some RS-232 devices
require RTS-CTS and DTR-DSR-DCD jumpers.
Use a LED indicator to analyze the RS-232 signal
problems and signal conflicts.
Baud rate and signal formats
Check setup, VXI-5534 defaults and device
settings
Units wired wrong
For full-duplex systems, us a DVM to compare the
output of the VXI-5534's transmitter to that of the
other unit's transmitter when both units are at idle.
Use the VXI-5534 as the standard and mark the
other unit's +/- outputs to match the VXI-5534.
Wire the other unit's Tx+ to the VXI-5534 Rx+,
Tx- to Rx-. Do the same for the VXI-5534
transmitter output.
RS-485 not working
5-3
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TABLE 5-2
Problem
TROUBLESHOOTING GUIDE - User Problems cont'd
Possible Cause
Action
For half-duplex systems, try reversing the wires.
Baud rate and character format
Check VXI-5534 settings vs RS-485 device. Use
CONFIG? to query the VXI-5534.
Device needs addressing
RS-485 devices that work in multi-drop systems
need address sequences at the start of each
message. Check device manual and add the
address sequence to the outgoing messages as
required.
RS-485 bad leading
character.
Termination network
not active
Install the Switch IC and enable the termination
network. For long lines, provide a termination
network at the end of the transmission line.
Unit not responding
correctly when
multiple channels
are active
Multitasking software
Check the multitasking software for conformance
to the guidelines in paragraph 3.5.7.
Serial data overrun
Check receivers for overrun error. Check data for
loss of messages.
5-4
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5.3
RETURNING FOR FACTORY SERVICE
When returning a VXI-5534 board assembly or other products to ICS for repair, it is necessary to go
through the following steps:
1.
Contact the ICS customer service department and ask for a return material authorization (RMA) number. An ICS applications engineer will want to discuss the
problem at this time to verify that the unit needs to be returned, or assist in correcting
the problem. We have discovered that one-third of the difficulties customers call
about can be resolved over the phone, rather than having to return a unit.
2.
Write a description of the problem and attach it to the material being returned.
Describe the installation, systems failure symptoms, and how it was being used. If
the item being returned is a board assembly, describe how you isolated the fault to it.
Include your name and phone number so we can call you if we have any questions.
Remember, we need to locate the problem in order to fix it.
3.
Pack the item with the fault description in a box large enough to accommodate a
minimum of two inches of packing material on all four sides, the top, and the bottom
of the box. Securely seal the box.
4.
Mark the shipping label to the attention of RMA #______. The RMA number is very
important since it is our way of identifying your unit in order to return it to you.
5.
Ship the box to ICS freight prepaid. ICS does not pay freight to return the unit to ICS,
but will prepay the freight to return the repaired item to you.
5-5
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6
Parts List and Location
6.1
INTRODUCTION
This section contains all information necessary to locate, identify, and order parts. The listing of parts
and information for an exact replacement part are shown in the attached parts list. All component
locations are identified by reference designators in the parts list and in the attached circuit board
assembly drawings. Figure 6-1 shows the component locations on the circuit board.
6.2
REPLACEMENT PARTS
6.2.1
Standard Parts
All parts can be purchased directly from ICS Electronics Corporation, at current market price, plus
a handling charge. However, since most parts are standard electronic components, it is suggested
that they be secured locally for prompt replacement. The parts list gives all pertinent information
including the recommended manufacturers and manufacturers’ part numbers. Where not noted,
equivalent parts meeting the original part specifications may be substituted. A list of manufacturers
by abbreviations is given in Table 6-1.
6.2.2
Special Parts
Parts marked with an ICS part number should be procured directly from ICS Electronics Corporation.
These parts are manufactured or selected to satisfy specific requirements. Substitution of other parts
might not yield equivalent performance and will void any warranty.
6.2.3
Parts Ordering Information
All orders should be directed to ICS Electronics Corporation, at the address shown on the front page,
or to ICS Electronics in care of your local representative. When ordering, be sure to include the
following information:
a. Part description and reference designator
b. part number, manufacturer, and stock number
c. Instrument model, serial number, and program revision level
6-1
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TABLE 6-1 LIST OF MANUFACTURERS BY ABBREVIATION
Code Company Name
Location
Code Company Name
ABC
ACT
ACW
AD
ADI
ADV
AEP
AIW
AMA
AMD
AMP
AMR
AMZ
AND
APH
APL
APT
APX
ARC
ARI
ARO
ARR
ARX
ASC
ASS
AST
ATM
AUG
AVD
AVT
AVX
Allen Bradley
Advanced Components Tech
Alpha - CW
Analog Devices
ADI Electronics, Inc.
Advanced Interconnections
Alco Electronics Products, Inc
American Insulated Wire
Amatom
Advanced Micro Devices
AMP, Inc.
American Relays, Inc.
American Zettler, Inc.
Alpha Numeric Displays
Amphenol Corp.
Amplicon
Aptronics Corporation
Ampex
Arco
Aries Industries, Inc.
Aromat Corp./Matsushita
Arrow Hart
Amperex Electronics
American Switches Corp.
Assmann Corporation
Asyst Software Technology, Inc.
Atmel Corporation
Augat, Inc.
Aavid Eng., Inc.
Advantech Co. LRD
AVX Corp.
Milwaukee, WI
Redwood City, CA
Elizabeth, NJ
Norwood, MA
Bohemia, NJ
Warwick, RI
Lawrence, MA
Pawtucket, RI
New Haven, CT
Sunnyvale, CA
Harrisburgh, PA
Gardena, CA
Irvine, CA
Burlingame, CA
Oakbrook, IL
Brighton,England
Mentor, OH
Sunnyvale, CA
Commack, NY
Gardena, CA
San Jose, CA
Hartford, CT
Slatersville, RI
Wakefield, MA
Chandler, AR
Rochester, NY
San Jose, CA
Attleboro, MA
Laconia, NH
Taipei, Taiwan
Myrtle Beach, SC
COL
CON
COR
CRD
CRN
CRZ
CTK
CTR
CTS
CYP
Columbia Electronic Cables
Condor Electronics
Corcom, Inc.
Concord Electronics Corp.
Corning Glass Works
Crazy Glue
Crystek Corp.
Centre Engineering
CTS Corp.
Cypress Semiconductor
Los Angeles, CA
Sunnyvale, CA
Chicago, IL
New York, NY
Corning, NY
Chicago, IL
Fort Meyers, FL
State College, PA
Elkhart, IN
San Jose, CA
DAL
DEL
DEU
DIA
DII
DLL
DSP
Dale Electronics, Inc.
Delta Product Corporation
Deutsch Fastener Corp.
Dialco
Diodes Incorporated
Dallas Semiconductor
DSP Development Incorp.
Columbus, NB
Fremont, CA
El Segundo, CA
Brooklyn, NY
Chatsworth, CA
Dallas, TX
Cambridge, MA
BDI
BEC
BEL
BER
BEV
BHE
BLF
BOR
BRG
BRN
BTD
BUC
BUD
BUR
BUS
BVR
Bud Industries, Inc.
Beckman
Belden Corp.
Bergquist
Bevmar Industries, Inc.
BH Electronics, Inc.
Bel Fuse, Inc.
Bourns
Berg Electronics
Burr-Brown
BT&D Technologies
Buchanan
Budwig
Burndy
Bussmann
Bivar
Ensign-Bickford Ind.
Ecliplek Corporation
Edac, Inc.
Eaton Electrical/Electronic
Elec-trol
Elma Electronic, Inc.
Elna America, Inc.
Electronic Molding Corp.
Entrelec
Epitek, Kanta
Endicott Research Group
Erie Technology Products
ESC Electronics Corp.
EMC Shielding Incorprated
Euro-Dip
Electrovert, Inc.
EWC, Inc.
Exel Microelectronics
Excel
Exar Corporation
Simsburg, CT
Fountain Valley, CA
Ontario, Canada
New Haven, CT
Saugus, CA
Fremont, CA
Carson, CA
Woonsocket, RI
Spring Valley, NY
Ontario, Canada
Endicott, NY
Erie, PA
Palisades Park, NJ
Fall River, MA
Dattwil, Switzerland
Elmsford, NY
Kenilworth, NJ
San Jose, CA
Chicago, IL
Sunnyvale, CA
Fastex
Freedom Crystal Lab
Fairchild Inst. & Controls Div.
Fluke
Fox Electronics
Fairchild Semiconductor Div.
Fujitsu Microelectronics
Des Plains, IL
Freedom, CA
Mountain View, CA
Santa Clara, CA
Cape Coral, FL
Mountain View, CA
San Jose, CA
C&K
CAB
CAC
CAD
CAM
CAN
CAT
CAX
CDE
CEL
CHE
CHO
CHR
CJO
CMS
CNT
C&K Components
Cable Connections
Circuit Assembly Corp.
Caddock
Ecam Technology
Cannon
Catalyst Semiconductor
Calex Mfg. Co., Inc.
Cornell Dublier
Cellotape
Cherry Electronics Products
Chomerics, Inc.
Cuttler Hammer
Cinch Mfg. Company
Component Mfg. Service
Centralab
Gillis and Lane
G & A Mounting Bracket
GC Electronics
GE Semiconductor
Grayhill
Grant Hardware Company
General Instruments
Globe Manufacturing Sales, Inc.
Gordos Corp.
Gries Reproduction Co.
General Semi.
Goldstar Tecnology, Inc.
Redwood City, CA
Issaquah, WA
Rockford, IL
Syracuse, NY
La Grange, IL
City of Industry, CA
Hicksville, NY
Mountainside, NJ
Bloomfield, NJ
New Rochelle, NY
Tempe, AZ
Sunnyvale, CA
Hamlin Relays
Harris Semiconductor
Heyboer Transformers
Herman Smith, Inc.
Lake Mills, WI
San Jose, CA
Grand Haven, MI
Brooklyn, NY
EBI
ECL
EDC
EEE
ELL
ELM
ELN
EMC
ENT
EPI
ERG
ERI
ESC
Peoria, AZ
ESI
Fullerton, CA
EUR
Richmond, VA
EVT
Minneapolis, MN EWC
Carson, CA
EXE
Burnsville, MN
EXL
Jersey City, NJ
EXR
Riverside, CA
New Cumberland, PA FAS
Tuscon, AZ
FCL
San Jose, CA
FIS
Union, NJ
FLK
Los Angeles, CA FOX
Norwalk, CT
FSC
Earth City, MO
FUJ
Santa Ana, CA
GAL
Newton, MA
GAM
Cambell, CA
GCE
Irvine, CA
GE
Riverside, CA
GHI
Scottsdale, AZ
GHW
Santa Ana, CA
GI
Santa Clara, CA GMS
Pleasant Hills, CA GOR
Newark, NJ
GRC
Sunnyvale, CA
GSI
Highland Park, CA GTI
Woburn, MA
Milwaukee, WI
HAM
Elk Grove Village, IL HAR
Bridgewater, MA HEY
Los Angeles, CA HHS
Location
6-2
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TABLE 6-1 LIST OF MANUFACTURERS BY ABBREVIATION (CONT.)
Code Company Name
Location
Code
HIT
HOL
HP
HRS
HUR
HYU
Hitachi
Holmberg Electronics Corp.
Hewlett-Packard
Hirose Electric, Inc.
Hurricane Electronics
Hyundai Electronics America
Toyko, Japan
Inman, SC
Palo Alto, CA
Chatsworth, CA
Hurricane, UT
San Jose, CA
ICO
ICS
IDE
IDI
IDT
IEE
IER
IMC
INE
INL
INT
IRC
ISC
ISL
ITT
Ico-Rally Corp.
ICS Electronics Corporation
IDEC Corporation
Industrial Devices, Inc.
Intergrated Device Technology
Industrial Electronic Engineer
IERC
Inmac
Ines GMGH
Intel
Intervor
TRW/IRC Resistors
Instrument Specialties
Intersil
ITT General Controls
Palo Alto, CA
Milpitas, CA
Sunnyvale, CA
Edgewater, NJ
Santa Clara, CA
Van Nuys, CA
Burbank, CA
Santa Clara, CA
Koln, Germany
Sunnyvale, CA
Melville, NY
Philadelphia, PA
San Jose, CA
Mountain View, CA
Glendale, CA
MIT
MLR
MLX
MLY
MMI
MMM
MON
MOS
MOT
MPC
MPI
MPR
MSC
MSL
MTN
MUR
KAP
KCC
KEM
KES
KEY
KOA
KOS
KYO
Kappa Networks Inc.
Keltron Connector Company
Kemet
Kester
Keystone Electronics
KOA Speer Electronics
Koszeigi
Kyocera International, Inc.
LAN
LAT
LCM
LDI
LEA
LED
LFS
LOC
LOP
LYN
LYT
LYX
Lansing Instrument Corp.
Lattice Semiconductor
L-Com Incorporation
Logic Dynamic, Inc.
Leader Tech
Ledtronics, Inc.
Little Fuse, Inc.
Loctite Corporation
Zollin J. Lopaugh
Lyntron, Inc.
Lytel Incorporated
Lynx Enterprises
MAN
NY
MAR
MAX
MCB
MCC
MCI
MCK
MCS
MDA
MDY
MEC
MED
MIC
NY
MIN
Manhattan Electric Cable Corp.
NAT
NCS
NDK
NEC
NEL
NEM
Mountain View, CA NIC
NKK
Nogales, AZ
Rancho Dominguez, CA NMB
NSC
Rahway, NJ
OFT
Bayshore, NY
OKI
Greenville, SC
OMG
Chicago, IL
OPT
New York, NY
Santa Ana, CA
PAN
South Bend, IN
PBD
San Diego, CA
PCD
PCL
Ithaca, NY
PEC
Portland, OR
PIC
N. Andover, MA
PLX
Gardena, CA
Tampa, FL
PMI
Torrance, CA
PNS
Des Plaines, IL
POS
Hollister, CA
POT
San Francisco, CA POW
PRE
Burbank, CA
PRM
Somerville, NJ
PTB
Watsonville, CA
PTS
Station Plaza-Rye, PUL
Marcon
Maxim Integrated Prod., Inc.
Mepcocentalab
Microchip Technology, Inc.
MCI Transformer Corp.
McKenzie Technology
Microsemi Corporation
Media Products
Midway Mfg. Co.
Magnum Electric Corp.
Meadows Mfg.
Microntran Company, Inc.
Northbrook, IL
Sunnyvale, CA
Fort Dodge, IA
Chandler, AZ
Babylon, NY
Fremont, CA
Scottsdale, AZ
San Jose, CA
Franklin Park, IL
Erie, MI
Sunnyvale, Ca
Valley Stream,
Minicomputer Accessories
Sunnyvale, CA
JAR Jarome Wire
JFR Jeffers Electronics
JWM J.W. Miller
Company Name
Location
Mitsubishi Semiconductors
Midland Ross Corporation
Molex Products Co.
Mallory Dist. Prod. Co.
Monolithic Memories
3M
Monsanto (Genl. Instr.)
Thompson Components
Motorola Semicond. Prod.
Montior Products Corp.
Multi Products International
Micropower Systems
Master Specialties Co.
Mosel
M-Tron Corporation
Murata Corporation
Sunnyvale, CA
North Mankato, MN
Downers Grove, IL
Indianapolis, IN
Sunnyvale, CA
Minneapolis, MN
Palo Alto, CA
Carrollton, TX
Phoenix, AZ
Oceanside, CA
Cedar Grove, NJ
Santa Clara, CA
Costa Mesa, CA
Sunnyvale, CA
Yankton, SD
Marietta, GE
National Semi
Nor-Cal Seal Co.
NDK America Inc.
NEC Microcomputers, Inc.
NEL Frequency Control, Inc.
Nova Electronics Mfg. Co.
Nichicon
NKK Switches
NMB Technologies
National Semicond. Corp.
Santa Clara, CA
San Leandro, CA
Cupertino, CA
Wellesley, MA
Burlington, WI
Nutley, NJ
Chicago, IL
Scottsdale, AZ
Chatsworth, CA
Santa Clara, CA
Optical Fiber Tech.
OKI Semiconductor
Omega Printing
Optrex Corp.
Billerica, MA
Sunnyvale, CA
Palo Alto, CA
Torrance, CA
Panduit
Potter & Brumfield Company
Preci Dip
Precision Crystal Lab
Pacific Electricord Co.
Piher International Corp.
PLX Technology, Inc.
Precision Monolithics, Inc.
Panasonic
Positronic Industries, Inc.
Potter Company
Power Sonic
Precicontact, Inc.
Prem Magnetics Incorporated
Phoenix Terminal Blocks, Inc.
Promptus Electronic Hdwr.
Pulse Engineering, Inc.
Tinley Park, IL
Princeton, IN
Oyster Bay, NY
Santa Monica, CA
Gardena, CA
Mt. Prospect, IL
Mountain View, CA
Santa Clara, CA
Seacaucus, NY
Springfield, MO
Wesson, MS
Long Beach, CA
Langhorne, PA
McHenry, IL
Harrisburg, PA
Lomita, CA
San Diego, CA
RAF
RAY
RCA
RCD
RCH
RED
REM
REN
RGA
RGS
RIC
RNU
ROM
RTE
RAF Electronics Hardware
Raytheon
RCA Corporation
RCD Components, Inc.
Richlock
Redwood Stationers
Remee Products Corporation
Renco Electronics, Inc.
RG Allen
Rogers Corporation
Richco
Robinson Nugent
Rohm
RTE Aerovox, Inc.
Seymour, CT
Mountain View, CA
Iselin, NJ
Manchester, NH
Chicago, IL
Menlo Park, CA
Florida, NY
Deer Park, NY
Van Nuys, CA
Tempe, AZ
Chicago, IL
New Albany, IN
Irvine, CA
New Bedford, MA
6-3
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TABLE 6-1 LIST OF MANUFACTURERS BY ABBREVIATION (CONT.)
Code Company Name
Location
Code Company Name
Location
RUS
RXD
SAE
SAM
SAN
SAR
SCH
SCN
SEC
SEI
SEK
SEQ
SGC
SGL
SGS
SHA
SHK
SHO
SHP
SHR
SIE
SIG
SIL
SLN
SMC
SMK
SMN
SMO
SMT
SOC
SOL
SOU
SPC
SPR
STR
SWC
SYN
SYO
Russell Industries, Inc.
RXD, Incorporated
Stanford Applied Engineering
Samsung Semi Conductor, Inc.
Sangamo Western, Inc.
Saronix
Schadow, Inc.
Scanbe
Secma, Inc.
Seiko Instruments
Seiko Circuits
Seeq Technology, Inc.
Silicon General
Signal Transformer
SGS-Ates Semiconductor
Saha
Shakeproof
Shoin
Sharp
Schurter, Inc.
Siemens Components, Inc.
Signetics Corp.
Siliconix, Inc.
Sullins Electronics Corp.
Standard Microsystems Corp.
SMK Corporation
Seimens
S-Mos Systems, Inc.
Samtec
Socket Express
Solid Electric Inc.
Souriau, Inc.
Spectra Strip
Sprague Electronics
Star Micronics, Inc.
Switchcraft, Inc.
Synertec
Sanyo Electric, Inc.
Oceanside, NY
Norfolk, NE
Long Beach, CA
San Jose, CA
Pickens, SC
Palo Alto, CA
Eden Prairie, MN
El Monte, CA
Irvine, CA
Torrance, CA
Sunnyvale, CA
San Jose, CA
Westminster, CA
Inwood, NY
Phoenix, AZ
New York, NY
Edgin, IL
Japan
Manwah, NJ
Petaluma, CA
Iselin, NJ
Sunnyvale, CA
Santa Clara, CA
San Marcos, CA
Hauppauge, NY
Placentia, CA
Iselin, NJ
San Jose, CA
New Albany, IN
Princeton, NJ
San Jose, CA
Van Nuys, CA
Garden Grove, CA
Chicago, IL
Piscataway, NJ
Chicago, IL
Santa Clara, CA
Compton, CA
TAW
TBA
TCN
TEE
TEK
TEL
TEM
TEX
THC
TI
TKR
TMI
TMX
TOM
TOS
TRM
TRW
TYT
TAW
T&B Ansley
Tra-Con
Telemecanique, Inc.
Tektronics, Inc.
Teledyne Relays
Temple Industries, Inc.
Textool
Thermalloy Co.
Texas Instruments
Thacker Container Co.
Tri-Mag, Incorporated
Thermax Wire
Thomson Passive Comp. Corp.
Toshiba America, Inc.
Trompeter
TRW Capacitors
Tyton Corporation
Burbank, CA
Los Angeles, CA
Medford, MA
Westminster, MD
Beaverton, OR
Hawthorne, CA
Tecate, CA
Irving, TX
Dallas, TX
Dallas, TX
None available
Visalia, CA
Flushing, NY
Woodland Hills, CA
Tustin, CA
Chatsworth, CA
Ogallala, NE
Milwaukee, WI
UCH
USE
USI
United Chemcon
Rosemont, IL
Useco
Van Nuys, CA
Universal Semiconductor, Inc. San Jose, CA
VAT
VEC
VEM
VER
VIK
VIR
WDC
WEI
WEK
WFD
WIN
WLD
WMA
WPG
WPS
Varta
Vector Electronics Corp., Inc.
Vermaline
Bicc-Vero Electronics Corp.
Viking
Virginia Plastics
Western Digital Corp.
Weidmuller
Weckesser
Wakefield Engineering, Inc.
Winchester
Waldom
Wima (Distr. by TAW, Inc.)
Western Packaging
Wescon Production Sockets
Elmford, NY
Sylmar, CA
Warwick, RI
Hamden, CT
Chatsworth, CA
Roan Oke, VA
Newport Beach, CA
Richmond, VA
Chicago, IL
Wakefield, MA
Oakville, CT
Chicago, IL
Burbank, CA
Santa Clara, CA
South Bend, IN
TAD
TAM
Tadiran
Tamura Corporation of America
Tel-Aviv, Isreal
Carson, CA
XEC
XIC
Xecom, Incorporated
Xicor, Incorprated
Milpitas, CA
Milpitas, CA
ZIL
Zilog
Cupertino, CA
6-4
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6.3
PARTS LISTS
The parts list tables contains both the ICS Electronics Corporation stock numbers and the manufacturers’
true part numbers where applicable. True manufacturers’ part numbers are not shown for industry
standard parts nor for items unique to the VXI-5534 Interface Card.
Table 6-2 lists the recommended spare parts for 1 to 9 units. To spare at the assembly level, order
items 1 and 2 in tAble 6-2. To spare at the component level, order items 3 through 37 as the VXI5534 Spare Parts List. Tables 6-3 thru 6-4 break the VXI-5534 module assembly down to the
component part level.
TABLE 6-2
LN# PART#
VXI-5534 RECOMMENDED SPARE PARTS
QTY DESCRIPTION
REF-DES
1
2
3
4
5
114564
114570
590000
535222
521686
1
1
9
1
1
Assy VXI-5534 PCB
Assy VXI-5534 Display
Cap dip .01uF 50V
Cap Mono TS .0022 uF 50V
Cap Tant 68uF 10V
6
7
8
9
10
490005
602333
602123
602103
602821
1
1
1
1
1
11
12
13
14
15
696017
696011
696004
114574
907042
16
17
MFGR
MFGR PART #
C1-68;C70-96
C69
C97-103
ICS
ICS
AVX
CNT
SPR
114564
114570
MD015E103AZAA
CW15C222K
199D686X0010DB1
D-sub Female Screwlock kit
Res 1/4W 33K 5%
Res 1/4W 12K 5%
Res 1/4W 10K 5%
Res 1/4W 820 5%
(J1-4)
R1
R2-17
R3,4;7
R5;6;8
CJO
KOA
KOA
KOA
KOA
D204180-2
CF1/4-5-33K
CF1/4-5-12K
CF1/4-5-10K
CF1/4-5-820
1
1
1
2
1
SIP 33K 5 comm res
SIP 10K 5 comm res
SIP 10K 9 comm res
Assy Termination Resistors
Sw Miniature Push-button
RP1;2
RP4;6;9-11
RP7;8;12
RP3;5
SW1
BOR
BOR
BOR
4306R-101-333
4306R-101-103
43010R-101-103
C&K
GP11-MCKE
907011
735175
1
2
Sw Rocker dip 8 pos
IC Quad Diff Rcvr
CTS
TI
CTS206-8
SN 75175N
18
19
20
731032
748004
748541
1
1
2
IC Quad Low Pwr Line Dvr
IC Hex Inverter
IC Octal Buffer
SW2
U1;4;6;9;14;16;
18;20
U2;5;7;10
U27
U57;68;84;85;
93-95
TI
NSC
SIG
LT1032CN
MM74HCT04N
74HCT541N
21
22
735174
748574
1
2
IC Quad Diff Xmtr
IC Octal Triggered 3-state F/F
TI
TI
SN75174N
SN74HCT574N
23
24
25
792256
797256
749012-415
1
3
6
IC RAM 32K x 8
IC EPROM 32K x 8
IC GAL 20V8-15
CAT
NOT
LAT
71C256L-85
Special
GAL20V8-150P
26
27
798530-02
748132
1
1
IC Dual Serial Comm NMOS
IC Quad Nand Schmidt Trig
U3;8;17;22
U11;13;21;31;
U39;45;54-69;
U72;78;86;88-90
U23;36
U24;37;65
U25;30;56;61;76
U79
U26;29
U28;32;47
ZIL
HAR
Z0853008VSC
CD74HCT132
6-5
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TABLE 6-2
LN# PART#
VXI-5534 RECOMMENDED SPARE PARTS
QTY DESCRIPTION
28
29
790189-16
748245
1
2
IC MPU Z180
IC Octal Bus Xcvr
30
749014
1
31
32
33
34
35
748074
748138
748154
792130
776264
36
37
REF-DES
MFGR
MFGR
PART #
Z8S18016VSC
74HCT245N
IC EE GAL 6001-30
U33;38;67
ZIL
U12;34;35;40;41 SIG
U43;44-46;51;52
U42
LAT
1
1
1
2
1
IC Dual F/F
IC 3-8 Dcdr
IC 4-16 Dcdr
IC RAM 1K x 8 dual port
IC RAM 8K x 8
U49;55;58-60;70
U50
U53
U62;63
U64
NSC
SIG
SIG
AMD
FUJ
MM74HCT74N
74HCT138N
74HCT154N
AM2130-10PC
MB8464A-80
792816-15
749011-415
1
7
IC EEPROM 2K x 8
IC GAL 16V8
SAM
LAT
KM28C16-15
GAL16V8-15QP
38
39
40
772210
745038
748241
3
1
1
IC PAL 22V10
IC Quad Nand
IC Octal Bus Xcvr
U66
U71;98;99;101104
U73;87;105
U74
U75
CYP
SIG
RCA
PALC22V10
N74F38N
CD74HCT241
41
42
43
44
45
748688
748125
742139
745245
745641
1
1
1
1
1
IC 8-bit Comp
IC Quad 3-state Buffer
IC Dual 2-4 line Dcdr
IC Octal 3-state Xcvr
IC Octal Xcvr
U77
U80-82;100
U83
U91;92
U96;97
HAR
SIG
TI
SIG
SIG
CD74HCT688E
74HCT125N
SN74LS139N
N74F245N
N74F641N
46
47
706147
706320
1
1
Oscillator 14.7456
Oscillator 32.0000
Y1
Y2
FOX
FOX
F1100-14.7456
F1100-32.0000
GAL6001-30P
TABLE 6-3 VXI-5534 MODULE ASSEMBLY PARTS LIST (114562)
LN#
1
2
3
4
5
6
7
8
9
10
PART#
1140112-01
114012-02
114568
490036
114017
114564
412416
114570
410404
431400
QTY DESCRIPTION
1
1
1
1
2
1
6
1
1
1
REF-DES
Assy VXI Circuit SW Shield
Assy VXi Component Shield
Front Panel, VXI-5534
Assy VXI Ejector Kit SW
EMI Shield Sticky Finger
Assy VXI-5534 PCB
Screw PH Flat 4-40‘x 1
Assy VXI-5534 Display
Screw PH Pan 4-40 x 1/4
L/W Std Split 4-40
MFGR
MFGR
PART #
ICS
114568
ICS
114564
ICS
114570
6-6
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TABLE 6-4 VXI-5534 PCB ASSEMBLY PARTS LIST (114564)
LN#
PART#
MFGR
PART #
QTY DESCRIPTION
REF-DES
MFGR
A1
C1-68;C70-96
C69
C97-103
AVX
CNT
SPR
MD015E103AZAA
CW15C222K
199D686X0010DB1
APH
CJO
777DEE9PA
D204180-2
PAN
100-096-053
KOA
KOA
KOA
KOA
BOR
BOR
BOR
CF1/4-5-33K
CF1/4-5-680
CF1/4-5-10K
CF1/4-5-820
4306R-101-333
4306R-101-103
43010R-101-103
C&K
CTS
GP11-MCKE
CTS206-8
TI
SN 75175N
TI
TI
TI
LT1032CN
SN75174N
SN74HCT574N
SIG
74HCT245N
CAT
AMD
LAT
71C256L-85
AM27C256-120
GAL20V8-150P
ZIL
NSC
HAR
ZIL
LAT
SIG
NSC
SIG
SIG
SIG
Z853008VSC
MM74HCT04N
CD74HCT132
Z8S18016VSC
GAL6001-30P
74F74N
MM74HCT74N
74HCT138N
74HCT154N
74HCT541N
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
114566
590000
535222
521686
902149
490005
418406
422400
902026
410207
431200
420200
902212
602333
602681
602103
602821
696017
696011
696004
114574
907042
907011
735175
1
95
1
7
4
4
8
8
2
4
4
4
1
1
1
3
3
2
5
3
2
1
1
8
PCB VXI-5534
Cap dip .01uF 50V
Cap Mono TS .0022 uF 50V
Cap Tant 68uF 10V
27
28
29
731032
735174
748574
4
4
14
IC Quad Low Pwr Line Dvr
IC Quad Diff Xmtr
IC Octal Triggered 3-state F/F
30
748245
10
IC Octal Bus Xcvr
31
32
33
792256
797256
749012-415
2
3
6
IC RAM 32K x 8
IC EPROM 32K x 8
IC GAL 20V8-15
34
35
36
37
38
39
40
41
42
43
798530-02
748004
748132
790180-16
749014
745074
748074
748138
748154
748541
2
1
3
3
1
1
6
1
1
7
IC Dual Serial Comm
IC Hex Inverter
IC Quad Nand Schmidt Trig
IC MPU Z180
IC EE GAL 6001
IC Dual F/F FAST
IC Dual F/F
IC 3-8 Dcdr
IC 4-16 Dcdr
IC Octal Buffer
Conn 9-pin D-sub Male Rt-Angle J1-4
D-sub Female Screwlock kit
(J1-4)
Screw Button HD 4-40 x 3/8
(J1-4)
Nut sm kep 4-40
(J1-4)
Conn DIN 96 pin male R/A
P1;2
Screw PH pan 2-56 x 7/16
(P1;2)
L/W Std Split 2-56
(P1;2)
Nut std hex 2-56
(P1;2)
Header 3x3 R/A
P3
Res 1/4W 33K 5%
R1
Res 1/4W 680 5%
R2
Res 1/4W 10K 5%
R3;4;7
Res 1/4W 820 5%
R5;6;8
SIP 33K 5 comm res
RP1;2
SIP 10K 5 comm res
RP4;6;9-11
SIP 10K 9 comm res
RP7;8;12
Assy Termination Resistors
RP3;5
Sw Miniature Push-button
SW1
Sw Rocker dip 8 pos
SW2
IC Quad Diff Rcvr
U1;4;6;9;14;16
18;20
U2;5;7;10
U3;8;17;22
U11;13;21;31;
U39;45;54;69;72
U78;86;88-90
U12;34;35;40;
U41;43;44;46;
U51;52
U23;36
U24;37;65
U25;30;56;61;76
U79
U26;29
U27
U28;32;47
U33;38;67
U42
U48
U49;55;58-60;70
U50
U53
U57;68;84;85;
U93-95
6-7
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Figure 6-1
VXI-5534 Component Layout
6-8
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TABLE 6-4 VXI-5534 PCB ASSEMBLY PARTS LIST (114564) CONT'D
LN# PART#
QTY
DESCRIPTION
REF-DES
MFGR
MFGR PART #
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
792130
776264
792816-15
749011-415
772210
745038
748241
748688
748125
742139
745245
745641
903021
903014
903009
2
1
1
7
3
1
1
1
4
1
2
2
2
4
14
IC RAM 1K x 8 dual port
IC RAM 8K x 8
IC EEPROM 2K x 8
IC GAL 16V8
IC PAL 22V10
IC Quad Nand
IC Octal Bus Rcvr
IC 8-bit Comp
IC Quad 3-state Buffer
IC Dual 2-4 line Dcdr
IC Octal 3-state Xcvr
IC Octal Xcvr
U62;63
U64
U66
U71;98;99;101-4
U73;87;105
U74
U75
U77
U80-82;100
U83
U91;92
U96;97
AMD
FUJ
SAM
LAT
CYP
SIG
RCA
HAR
SIG
TI
SIG
SIG
AM2130-10PC
MB8464A-80
KM28C16-15
GAL16V8-150QP
PALC22V10-35WC
N74F38N
CD74HCT241
CD74HCT688E
74HCT125N
SN74LS139N
N74F245N
N74F641N
Socket 32 pin
Socket 28 pin
Socket 24 pin
WPS
CAC
ARI
101-732-2812
OF628GT-ST
24-3518
60
61
62
903025
903024
903017
2
3
7
Socket 44 pin
Socket 68 pin
Socket 20 pin
(U23;36)
(U24;37;64;65)
(U15;19;25;30;42
U56;61;73;76;79
U;87;105)
(U26;29)
(U33;38;67)
(U71;98;99;101104)
AMP
SAM
AUG
821575-1
PLC-062-T-S
520-AG11D
63
64
65
66
67
68
69
112574
112936
902075
902110
902087
706147
706320
4
14
11
5
11
1
1
Label PROM Copyright
Label PAL Copyright
Post 3 pin sip
Post 2 pin sip
Conn 2 pin shorting
Oscillator 14.7456
Oscillator 32.0000
AMP
AMP
SAE
FOX
FOX
87224-3
87224-2
RSR2610-2b
F1100-14.7456
F1100-32.0000
W1-8;11;12;15
W9;10;13;14;16
see Assy Dwg
Y1
Y2
TABLE 6-5 VXI-5534 DISPLAY ASSEMBLY PARTS LIST (114570)
LN# PART#
1
2
3
4
5
114572
535104
707003
903013
902213
QTY DESCRIPTION
1
1
1
.6
1
PCB VXI-5534 Display
Cap Mono 0.1uF 50V
LED 4 Digit Serial Matrix Grn
Socket 20 pin SIP
Recpticle 3x3 .1
REF-DES
MFGR
MFGR PART #
A1
C1
U1
(U1)
W1 (farside)
ICS
ERI
HP
SMT
SMT
114572
8121-050-651-104M
HCMS-2903
SS-120-G2
SSW-103-01-T-T
TABLE 6-6 VXI-5534 HEADER ASSEMBLY PARTS LIST (114574)
LN# PART#
1
2
3
903035
602102
602221
QTY DESCRIPTION
1
8
4
REF-DES
Header 24 pin forked carrier
Res 1/4 W 1K 5%
Res 1/4 W 220 5%
A1
MFGR
MFGR PART #
CAC
KOA
KOA
CA-24MP-A1B-3
CF1/4-5-1K
CF1/4-5-220
6-9
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
7
Drawings, Diagrams, Wire Lists
This section includes the following figures and table:
Page
Figure 7-1
VXI-5534 Logic Diagrams
7-2
7-1
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IN-STOCK ITEMS
• EQUIPMENT DEMOS
• HUNDREDS OF
MANUFACTURERS
SUPPORTED
• LEASING/MONTHLY
RENTALS
• ITAR CERTIFIED
SECURE ASSET SOLUTIONS
SERVICE CENTER REPAIRS
Experienced engineers and technicians on staff
at our full-service, in-house repair center
WE BUY USED EQUIPMENT
Sell your excess, underutilized, and idle used equipment
We also offer credit for buy-backs and trade-ins
www.artisantg.com/WeBuyEquipment
InstraView REMOTE INSPECTION
LOOKING FOR MORE INFORMATION?
Visit us on the web at www.artisantg.com for more
information on price quotations, drivers, technical
specifications, manuals, and documentation
SM
Remotely inspect equipment before purchasing with
our interactive website at www.instraview.com
Contact us: (888) 88-SOURCE | sales@artisantg.com | www.artisantg.com