Series 90-30 CPU with Ethernet Interface, Release IC693CPU364

Series 90-30 CPU with Ethernet Interface, Release IC693CPU364
January 2010
GFK-1875
IMPORTANT PRODUCT INFORMATION
READ THIS INFORMATION FIRST
Product:
IC693CPU364 CPU Module with Ethernet Interface
IC693CPU364-BE with Limited Production Firmware Release 10.10
Introduction
This document contains information that is not available in any other publication; therefore, we recommend you save it
for future reference. This document discusses firmware release 10.10, which is a limited production maintenance
release that corrects the Time of Day clock problem noted in the section “Problems Resolved in this Release.” (Release
10.10 does not add any new features.) This document also summarizes the features of this CPU, which provides two
functions in one module: (1) it serves as a high performance CPU, and (2) it provides Ethernet communications
capability with its embedded (built-in) Ethernet Interface.
CPU Feature Highlights for Previous Release 10.00
Note: Implementing the following CPU features requires the use of VersaPro 1.10 (or later version) PLC
software. These features are documented in the VersaPro on-line help system.
• Support was added for the IC693DSM314 servo module.
•
•
•
Support was added for storing Local Logic Programs to the IC693DSM314 module. These programs are stored to
the CPU from the programmer. In turn, the CPU automatically stores them to the DSM314 module along with the
module’s configuration settings. The limit on the size of all Local Logic Programs is 65280 bytes.
Reboot after Fatal Fault – If activated, this feature enables the IC693 PLC system to automatically resume normal
operation after a fatal fault has occurred. Following the fatal fault, the PLC will automatically reset and resume
execution. If fatal faults are present following the power up, the PLC will still be allowed to transition to run mode.
The user can enable this feature through a configuration parameter, and can identify the maximum number of
retries and the time period these retries may occur within through new Service Request #48. New Service Request
49 may then be used to determine the number of fatal faults and retries that have occurred.
Addition of the Drum Sequencer function block. This function block operates in the same manner as it does on
the IC200 CPU.
CPU Feature Highlights for Previous Release 9.10
Ethernet Global Data and Name Resolution support were added in this release. Version 2.2 or later of the Windows
-based PLC programming software or version 1.0 or later of the VersaPro Windows-based programming software is
required for configuration of these features. For details, refer to the software online help, the TCP/IP Ethernet
Communications for the IC69* User's Manual, and the TCP/IP Ethernet Communications for the IC69* Station
Manager's Manual.
CPU Feature Highlights for Previous Release 9.00
•
Software Floating-Point. The CPU364 supports all of the floating-point function blocks that are currently
supported by the CPU352. They are implemented in firmware using floating point emulation in the CPU364.
These Floating-Point math function blocks are described in the IC693 PLC Reference Manual.
•
User memory totals 240K bytes. %R, %AI, and %AQ references are configurable up to 16K of %R, 8K of %AI
and 8K of %AQ memory using the MS-DOS PLC programming software, version 9.02 or later. These three

Windows and MS-DOS are registered trademarks of Microsoft Corporation
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references are configurable up to 32K in release 1.0 of the VersaPro software and release 2.2 of the Windows-based
PLC programming software. Configuration instructions for this feature are described in the MS-DOS IC693
Programming Software User’s Manual, and are included in on-line help in both of the Windows PLC Programming
Software packages.
•
Sequential Event Recorder. The Sequential Event Recorder can be used to record up to 1024 samples of 32
individual discrete (bit) references. This function block is described in the IC693 PLC Reference Manual and in
online help in the Windows PLC Programming Software.
•
Break-free SNP. The SNP protocol no longer requires a break to operate. This allows SNP to work over a wider
variety of modems.
Ethernet Features
•
The CPU364 supports connection to an Ethernet network via either (but not both) of two built-in Ethernet network
ports:
AAUI: Capability is provided for connection to various types of Ethernet LANs via an external AAUI
1.
transceiver connected to the AAUI port. The IC649AEA103 AAUI transceiver may be used, or the user may
supply a different model that meets AAUI standards.
10Base T: The CPU364 provides direct connection to a 10BaseT (twisted pair) Ethernet LAN from its
2.
10BaseT port.
•
The CPU364 provides network communications using SRTP (Service Request Transfer Protocol) over standard
TCP/IP (Transmission Control Protocol / Internet Protocol) on an Ethernet Local Area Network (LAN). The
CPU364 supports communications with other IC693 PLCs and/or IC697 PLCs equipped with TCP/IP Ethernet
Interfaces, and with MS-DOS TCP/IP programming software and applications which use the TCP/IP Host
Communications Toolkit (HCT) Software.
Hardware Identification
The following table shows the revision level of the circuit boards used in this version (BE) of the IC693CPU364. If you
wish to upgrade an existing CPU364 to firmware version 10.10, you may purchase the kit identified in the following
table. All previous versions are capable of being upgraded.
CPU Model
(Version)
Circuit
Board ID
IC693CPU364-BE
Firmware Upgrade Kit
Catalog Number
Circuit Board Version
CX3A1 (CPU)
44A739579-G01R07 or later
EE3A1 (Ethernet)
44A739599-G01R04 or later
44A749506-G01
Firmware Identification
CPU Catalog Number
IC693CPU364-BE
CPU Firmware
Main: 10.10 (30A1)
Boot: 9.00 (33A1)
Revision
Daughterboard Firmware
Main: 1.10 (25A1)
Boot: 1.00 (33A1)
Functional Compatibility
•
The Windows PLC Programming Software version 2.00 or later must be used to take advantage of C programming
or Sequential Function Chart (SFC) subroutines.
•
Version 4.00 or later of the C toolkit must be used for C programming.
•
The MS-DOS PLC Programming Software Version 9.02 or later must be used to take advantage of the new features
introduced in firmware release 9.00, including configuration of a CPU364. These new features are listed in the
section “New Features and Functionality of Firmware Release 9.00.”
Important Product Information
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•
The Windows PLC Programming Software version 2.20 or later or VersaPro version 1.00 or later is required for
configuration of the Ethernet Global Data and configurable Name Resolution features of the CPU364.
•
VersaPro version 1.10 or later is required to use the new features of release 10.00 and to configure and program the
IC693DSM314 servo module.
Operating Notes
CPU364 Hardware Update (Version BD) to Enhance EMC Performance
A hardware update was made to the CPU364 (version BD or later) to enhance its EMC performance. The update will
also allow faster backplane I/O data transfers to be implemented in the future while still meeting all EMC requirements.
This update is fully compatible with all existing products. To realize the maximum EMC benefit, updated versions (BD
or later) of the CPU must be used with the latest 90-30 baseplates. Radiated emissions (EN 55011) of the 90-30 system
are reduced with this update.
Memory Backup and Restore when Upgrading Firmware
User information, consisting of program, configuration, CPU ID (used for SNP serial communications), and
reference tables in RAM memory, will automatically be cleared if the CPU firmware in flash memory is changed.
You will need to restore these if upgrading firmware. A recommended procedure is to first back up your user
information from RAM memory to Flash memory. Then write your new firmware to Flash memory (firmware is stored
in a different location in Flash memory than that used for storing user information such as program, configuration, etc.).
Next, write your user information back out of Flash into RAM memory. As an alternative, your program, configuration,
and reference memory (%R, %AI, %I, %Q, %T, and %M) table can be restored from a computer-based backup program
folder using your PLC programming software. NOTE: The fault, override, and transition tables are not stored to
Flash. The overrides may be restored from the programmer or folder, but the faults and transitions are lost.
The SNP ID must be set separately, using the programming software or the Hand-Held Programmer (HHP).
Firmware Upgrade Information
The Model 364 CPU operating firmware is stored in flash memory. The CPU and embedded Ethernet Interface each
have their own separate firmware. Firmware upgrades are provided on diskette and must be serially downloaded from a
Personal Computer. An IBM AT personal computer or better PC with a minimum 640K of RAM, one 3.5” diskette
drive, MS-DOS version 3.3 or later (or Windows 95 or later), and one RS-232 serial port is required. In addition, one or
both of the following serial cables is required:
• For CPU Firmware Upgrade: IC690ACC901 Mini Converter Kit with cable (RS-232/RS-485).
•
For Ethernet Interface Firmware Upgrade: IC693CBL316 “Station Manager’s Cable.”
IC693CMM321 Ethernet Option Module Version Requirements
All IC693 Ethernet Interface (IC693CMM321) modules used with this CPU should be updated to IC693CMM321
firmware release 1.10 or later. This is also a requirement of the TCP/IP Ethernet version of the MS-DOS programming
software.
FBC Compatibility
FBC version 3 or later is required for this CPU.
Writing Flash Using a Serial Programmer
When writing very large programs to flash memory, it may be necessary to increase the Windows programming
software request timeout value to avoid receiving a request timeout message. An upper bound of 25 seconds is typically
satisfactory. For further details, see the item “Store of Program or Reference Tables to Flash may Cause Loss of
Ethernet Communications” later in this section.
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Storing Large Configurations
The IC693 PLC will normally support 20 DSM314 modules in a system. This number may be reduced by other
modules in the system, such as APM and GBC modules. It may also be further reduced by having datagrams set up
which will read the reference or fault tables. If the configuration and user program is stored at the same time, the
presence of either C blocks within the LD program, or a C logic program may also affect the number of DSM314
modules which may be included in a system. If the store fails, it may be possible to store the configuration to the
system by first storing the logic program, and then storing the configuration on a separate store request. The number of
modules supported may be further reduced by the memory available to the user.
Power Supply Requirements
The CPU364 requires one of the three following PLC power supplies: IC693PWR321 (Rev. K or later),
IC693PWR322, IC693PWR330, or IC693PWR331. Power consumption of the CPU364 and its supporting devices are
listed below:
•
CPU364 requires 1.1A @ +5VDC (= 5.5 Watts).
•
If used, the external AAUI transceiver will require a maximum of 400 mA, or 2.0 Watts (limited by the AAUI
standard). Consult the transceiver documentation to obtain its exact power requirements. The IC649AEA103
transceiver requires 380 mA at 5 VDC (=1.9 Watts).
•
•
If used, the converter in the IC690ACC901 serial cable assembly requires 100 mA at 5 VDC (=0.5 Watts).
If used, the IC690ACC900 RS-422/RS-485 to RS-232 converter requires 170 mA at 5 VDC (=0.85 Watts).
Unreliable AAUI 10Base2 Ethernet Transceiver (IC649AEA101A)
The external AAUI 10Base2 Ethernet transceiver, available as catalog number IC649AEA101A, has been discovered to
operate unreliably under some conditions. This part is no longer offered. Instead, please use catalog number
IC649AEA103.
Configuration via Serial Port is Required Before Using Ethernet Communications
The Ethernet Interface within the CPU module cannot operate on a network until a valid IP address is configured. The
necessary Ethernet addressing information must be configured prior to actual network operation. Two methods are
available:
1. Perform the initial configuration using a PLC Programmer connected through the PLC power supply serial
port.
2.
Connect a serial terminal to the station manager port (port 1) of the CPU364. Then use the CHSOSW
command to enter a temporary IP address. The Ethernet Interface can then be accessed over the network (such
as by an Ethernet PLC Programmer). See TCP/IP Ethernet Communications for the IC69* Station Manager
Manual for details.
Proper IP Addressing is Always Essential
The CPU364’s embedded Ethernet Interface must be configured with the correct IP Address for proper operation in a
TCP/IP Ethernet network. Use of incorrect IP addresses can disrupt network operation. Refer to TCP/IP Ethernet
Communications for the IC69* User’s Manual for important information on IP addressing.
AAUI Cable Attachment
Power to the PLC must be turned off whenever the transceiver (AAUI) cable is connected or disconnected at the
CPU364 or at the transceiver. Sudden changes in power supply loading caused by connecting or disconnecting the
transceiver with power on may result in unexpected operation of the CPU364 or other modules.
Connecting the transceiver with power on may also blow the protective Ethernet interface fuse. A blown fuse can be
replaced in the field. Refer to TCP/IP Ethernet Communications for the IC69* User’s Manual for instructions.
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SQE Enable
The Ethernet Interface within the CPU364 requires that the SQE test signal be enabled on the transceiver connecting it
to the Ethernet LAN. If you are using an external transceiver, make sure your transceiver has SQE enabled.
COMMREQ Operation
The CPU364 receives Ethernet Communications Request (COMMREQ) function blocks at a unique Rack/Slot and Task
address. Each COMMREQ sent to the CPU364 must be addressed to SYSID = 0001 (= Rack 00 / Slot 01, the location
of the CPU364) and to TASK = 21 decimal (Note: TASK = 0 is used in COMMREQs sent to the IC693CMM321
Ethernet module). Please refer to the TCP/IP Ethernet Communications for the IC69* User’s Manual for further
COMMREQ function block details.
Serial Load/Store of Register Table Causes Loss of Communications to Ethernet Programmers
A load or store of the PLC Register (%R) table from a PLC Programmer connected through the CPU serial port (using
the connector on the PLC Power Supply) can cause Ethernet applications that use the PLC programmer communications
window to lose communications. This condition occurs when the load/store operation requires more than 10 seconds to
complete (called a “timeout”). For example, transferring a large %R table to the CPU (even at 19,200 baud) may cause
a timeout. If this occurs, the Ethernet Interface will post two or more PLC faults with the text “LAN system-software
fault; resuming”, and fault-specific data starting with 080008 and/or 080042. In addition, faults with text “Bad remote
application request; discarded request” (1B0021) and “Local request to send rejected; discarded request” (110005) may
occur. When these faults occur, the STAT LED on the CPU364 will be turned off to indicate posting of faults to the
PLC fault tables. Normal operation will resume once the transfer completes. The STAT LED can be reset using the
Station Manager OK command.
Ethernet Programmer May Briefly Lose Communications When Configuration Stored
Storing a PLC configuration containing Ethernet configuration values may require the Ethernet Interface to restart itself
in order to use any changed configuration values. When the Ethernet Interface restarts, an Ethernet PLC Programmer
will briefly report a loss of communications. PLC faults similar to those listed under “Serial Load/Store of Register
Table Causes Loss of Communications to Ethernet Programmers” above will occur; and the STAT LED on the CPU364
will be turned off to indicate posting of faults to the PLC fault tables. In some cases, a ten second delay may occur
before loss of communications is detected. Normal operation will resume once the Ethernet Interface restarts. The
STAT LED can be reset using the Station Manager OK command.
When the PLC configuration is stored from an Ethernet PLC Programmer, the communications loss occurs immediately
after successful completion of the store. Attempts to store configuration plus logic and/or reference tables in one
operation can fail. However, storing configuration separately from logic or reference tables will always succeed.
Store of Program or Reference Tables to Flash May Cause Loss of Ethernet Communications
While storing the PLC program, configuration, and/or reference tables from PLC RAM memory into Flash memory,
Ethernet data communications may be lost. Normal data transfers are temporarily suspended during the Flash store
operation. Ethernet data transfers (such as used by an Ethernet PLC Programmer connection) during a Flash store
operation will fail when the Flash store exceeds the 10-second maximum period allowed for completion. Upon
completion of the store to Flash operation, normal operation will resume.
RUN Mode Program Store
A store of a folder containing large (greater than 14kb) program blocks from a PLC Programmer connected through the
Ethernet port on the CPU364, or through an IC693CMM321 Ethernet module, may fail and result in momentary loss of
communications. This condition has been observed only when attempting to store a large program to a PLC which is in
RUN mode, and which is configured to use a limited communications window. These conditions cause the store
operation to take the maximum possible period to complete. The failure may occur if this period exceeds 10 seconds for
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an individual program block. If this problem does occur, one of the following options may be used to complete the
store operation successfully:
1.
Change the PLC configuration to use Run-to-Completion mode instead of a Limited Communications Window for
the store operation.
2.
Change the PLC from RUN to STOP mode to complete the store.
3.
Structure the folder being stored to eliminate large program blocks or subroutine blocks. This will minimize the
chance that any single block will take longer than the maximum 10-second period allowed for storage of that block.
Store of Large Program Blocks from Older Ethernet Programmers
If an attempt is made to store a folder which contains large (greater than 14kb) program blocks or subroutine blocks
using the IC693 MS-DOS programming software, Ethernet Version 6.6 or earlier, the store attempt may fail with the
message “(S83) Program size too large for PLC or invalid user program” displayed. If this problem is observed, the
following options may be used to complete the store operation successfully:
1.
Update the IC693 MS-DOS programming software, Ethernet Version, to a more recent version that can be run in a
DOS box under the Microsoft Windows NT/95 operating system. IC693 MS-DOS programming software,
Ethernet Version 9.02 or later is recommended. (Note: In order to configure the CPU364, Version 9.02 or later is
required.) This option requires Microsoft Windows NT or Microsoft Windows 95 to be installed on the PC that
executes the programming software.
2.
If the ladder contains large (greater than 14kb) program blocks or subroutine blocks, then restructure the ladder to
use smaller blocks, either by simplifying the program or by making use of more subroutine blocks that are each
smaller than 14kb in size.
3.
If neither of the previous options is practical, the following work-around for the problem may be successful.
Modify the CONFIG.SYS file on the MS-DOS programmer PC to decrease the maximum TCP segment size used
by the Beame & Whiteside driver. This may be accomplished by changing the values used on the line containing
the following:
DEVICE=C:\BWTCP\TCPIP.SYS 1460 2920 20
Change the value 1460 to 1024, and change the value 2920 to 2048.
Managing Channels and TCP Connections
In certain conditions, the supply of TCP connections can be totally exhausted. When you issue a COMMREQ to
establish a read or write channel, a TCP connection is created, the transfer(s) are made, then upon completion of all the
transfers, the TCP connection is terminated. If an application is constructed so that it rapidly and repeatedly establishes
a channel with only one repetition (one transfer), the available TCP connections for the Ethernet Interface may be
totally exhausted.
Specifically, if your ladder program for issuing COMMREQs is constructed so it does the following, all available TCP
connections can quickly be used up: The number of repetitions (Word 9) in an Establish Read or Write Channel
COMMREQ is set to 1, and a new COMMREQ is issued repeatedly and immediately upon completion of the prior one.
It is recommended you use “Channel Re-tasking” to avoid exhausting TCP connections. Re-tasking is described in the
TCP/IP Ethernet Communications for the IC69* User’s Manual.
Documentation
Instructions for using the IC693CPU364 module can be found in the latest version of the following manuals:
Hardware Description, Installation Instructions: IC693 Installation and Hardware Manual
General Configuration Instructions: IC693 PLC Programming Software User’s Manual
Ladder Logic Programming: IC693 PLC Reference Manual
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Ethernet-Specific Instructions: TCP/IP Ethernet Communications for the IC69* PLC User’s Manual. Also see the
TCP/IP Ethernet Communications for the IC69* Station Manager Manual.
Problems Resolved in this Firmware Release (CPU 10.10, Ethernet 1.10)
Time of Day Clock may not Operate at Power-up
This would result in a Fatal PLC CPU HW FAULT being logged. Shorting the supercap would restore the board to
normal operation. This problem was corrected in this release.
Problems Resolved in Firmware Release (CPU 10.00, Ethernet 1.10)
User Flash Write and Erase Failure (resolved in release 9.11)
User Flash Write/Erase operations were failing when the Flash Memory was subjected to significant temperature
variations. This failure is now detected correctly, an error message is displayed to the user, and the user can retry the
operation.
Inconsistent Behavior on Load After Clear all with a CPU364
After a clear of the configuration of the CPU, the 364 CPU would sometimes return a type of 360 and sometimes return
a type of 364. The CPU will now always return a 364.
IC693 PLC can Automatically go to run Mode.
The IC693 PLC could automatically go to run mode if a configuration enabling the keyswitch is stored to a PLC with
the keyswitch in the ON position whose initial configuration had disabled the keyswitch.
Retentive Contact Previous Values Table not Being Cleared
The previous values tables for retentive contacts was not being cleared out on a Stop to Run transition
Problems Resolved in Firmware Version 9.10 (Ethernet Version 1.10)
AI & AQ Above Default Values
Release 9.00 provided support for configuring %AI and %AQ above their default values. These new references would
previously only work as extra program memory, and could not be used as actual inputs or outputs on physical modules
in the configuration. This has been corrected in release 9.10 so that these higher references now work the same as the
lower references.
Load File of Size 1528 Bytes
Loads of a user program where the file was of this specific size would fail. This has been corrected in release 9.10.
C Program with Code Area Greater Than 64K Bytes
Before release 9.10, C Program blocks with code areas greater than 64k bytes would not store. In release 9.10 and later,
‘C’ program blocks code sizes are limited only by available memory.
Ethernet Status Bits
If the Ethernet portion of the 364 module had a watchdog or flash checksum failure, its status bits would be held in the
previous state. In release 9.10 the status bits are cleared in this case.
Handling of Heavy Network Loading Conditions
Handling of three types of network errors under temporary heavy network load conditions has been improved.
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Error Condition
Recorded as MAC Tally
Exception Log Event
Lost Carrier
LostCarr
event c, entry 2 = 102H
Maximum Retries Exceeded
Frtry
event c, entry 2 = 10aH
Late Collision
LateColl
event c, entry 2 = 10bH
For all these errors, the LLC will tolerate up to four consecutive occurrences of an error before restarting the LLC.
During an LLC restart, the Ethernet Interface cannot communicate on the network, so fewer LLC restarts result in less
disruption to communications.
Also, the Maximum Retries Exceeded condition is now logged in the Ethernet Interface’s exception log and the PLC’s
fault table only after a fourth consecutive occurrence, thus reducing nuisance fault reports.
SRTP Channel Management
An SRTP Channel will now be properly retasked while in the AWAIT_DRSP or AWAIT_CRSP states.
Large PING
PINGing the Ethernet Interface with more than 32739 data bytes no longer causes the Interface to restart.
Time of day Clock
The time of day clock maintained by the Ethernet Interface no longer runs about 15 seconds fast per day
%S32 & %S20 in Periodic Subroutine
These status bits could be changed if used in a periodic subroutine. This has been corrected in release 9.10.
Update Mode
When the Ethernet (daughterboard) firmware is in update mode, no fault is logged on the PLC to indicate this. The
firmware update mode is indicated by the flashing of the EOK, LAN, and STAT LEDs. The LEDs flash in unison.
Problems Resolved in Firmware Version 9.01
SNP Master Mode on CPU Ports
With some very large configurations and version 9.00 firmware, after a power-cycle, CPU ports set up for SNP Master
would need to have their configuration re-stored for the protocol to accept COMM_REQs. This is corrected in version
9.01.
Online Changes to Reference Tables
Making online changes with the programmer to reference tables could result in a watchdog timeout. This has been
corrected in version 9.01.
Read from Flash
In version 9.00, reading a folder from flash memory could result in the PLC going into a faulted state. This is corrected
in version 9.01.
CPU364 Restrictions and Open Issues
Logic Containing Exactly 50 Subroutines may Load or Verify Incorrectly and may Fail a Run-ModeStore Attempt
Attempts to Load from PLC or Verify logic containing exactly 50 subroutines may fail. If the Load from PLC
succeeds, one subroutine may be lost and the logic may be loaded into the wrong blocks. Run-Mode-Store of the logic
may also fail if exactly 50 subroutines are present. (This problem was first documented in GFK-1490F.)
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Multiple Log Events
The Ethernet Interface sometimes generates multiple exception log events and PLC Fault Table entries when a single
error condition occurs. Under repetitive error conditions, the exception log and/or PLC Fault Table can be completely
filled with repetitive error messages.
DDP2 Name Not Used
In systems using more than 75 Ethernet Global Data exchanges, the Ethernet Interface may not initialize with the userconfigured DDP name (if any), but rather use the default DDP name. Attempts by remote stations to communicate with
the Interface using the user-configured name will fail. Possible workarounds include:
1. Reconfigure the application to use less than 75 exchanges, or
2.
Have remote stations refer to the Interface by its default DDP name
Same IP Address
Use of the same IP Address by the CPU364 and by another device on the same network results in the PLC Fault Table
message “Bad remote application request; discarded request”. This condition should be identified more precisely.
Trace LZ
While a local Station Manager “TRACE LZ” troubleshooting command is in effect at an Ethernet Interface, do not issue
Station Manager “REM <node> TEST” commands to it from a remote Interface. Doing so can cause errant behavior,
including module lockup and loss-of-module in the PLC fault table.
EGD status code
The status code of an EGD exchange is not updated to “16” while performing Name Resolution as described in the
manual. The first status code update occurs when the Name Resolution is complete, either “0” if successful or “4” if
unsuccessful.
Write Channel Retasking Error
When retasking a Write Channel, the Ethernet Interface may very intermittently generate exception log event 1c, entry
2 = 5. The channel stops with status code 9590 (= internal error). The application program may issue another Write
Channel COMMREQ to start this channel.
Intermittent SNTP Loss of Synchronization
Under moderately heavy EGD traffic load, the Ethernet Interface may occasionally lose synchronization with its SNTP
time server and generate exception log event 29, entry 2=bH.
Timing Issue with ALG220/221 Modules May Result in Incorrect %AI Values Read by CPU
A problem was found with the IC693ALG220/221 where the actual %AI values reported by the module may exhibit
erratic behavior (catalog module revisions F and earlier may show this problem; revision G has fixed this problem).
Certain current or voltage levels within the input range applied to the module could cause the %AI values to report
incorrectly. The problem stems from the use of particular optocouplers, which may exhibit timing issues with these
CPU35x/36x modules.
The IC693 PLC will generate a fatal fault if a ladder containing DOIO function block calls to a smart
module is repeatedly placed in RUN then STOP mode
A problem was found with the CPU where a ladder containing a call to a DOIO function block will cause the PLC to
run out of system memory. This is caused when the PLC transitions to run mode and back to stop mode several times.
If the configuration is stored, the system memory will be freed, and the PLC will resume normal operation.
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IC693 PLC CPU may Develop Fatal Fault During Store of Folders with Large Configurations
The IC693 PLC CPU may generate a fatal fault during a store of a folder with an especially large configuration. This
may be made worse by storing a program and configuration at the same time, or by having datagrams from a
programmer present during the store.
Rotate Right and Rotate Left functions do not handle error condition
The Rotate Right and Rotate Left functions do not correctly handle rotating a string with a rotation request greater than
16 times the length (in words) or the array. These functions should only be used with the rotation request less than 16
times the length (in words) of the array.
PID Integral Contribution
The PID Integral Contribution is not calculated correctly with an integral rate of 0 or 1.
Reading from an Invalid Flash Part may Cause a Watch Dog Timeout
If a corrupted flash part is read, the Watch Dog Timer on the PLC may be triggered. This can be fixed by completing a
valid flash store.
Fatal Fault Occurs when Configuring a Module with the HHP Following a Maximum Size PLC Store
The IC693 PLC CPU may generate a fatal fault while attempting to configure a module with the HHP following a
maximum size store to the PLC.
Firmware Update Fail Following Power-up with Clear M/T and a Write to Flash
Firmware update may fail following a power-up with Clear M/T pressed on the HHP and a write to flash. Cycling
power on the PLC will enable the upgrade to proceed.
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IC693CPU364 Data
Single slot CPU module with embedded Ethernet Interface
8 (CPU baseplate + 7 expansion and/or remote)
1.1 Amps from +5 VDC supply
25 MegaHertz
80386EX
2.69x2.69x6.1 mm, 125V, 1A, slow acting
0 to 60 degrees C (32 to 140 degrees F) ambient
.22 milliseconds per 1K of logic (Boolean contacts)
240K (245,760) Bytes. Note: Actual size of available user
program memory depends on the amounts configured for the
%R, %AI, and %AQ configurable word memory types
(described below).
2,048
Discrete Input Points - %I
2,048
Discrete Output Points - %Q
1,280 bits
Discrete Global Memory - %G
4,096 bits
Internal Coils - %M
256 bits
Output (Temporary) Coils - %T
128 bits (%S, %SA, %SB, %SC - 32 bits each)
System Status References - %S
Configurable in 128 word increments, from 128 to 16,384
Register Memory - %R
words with DOS programmer, and from 128 to 32,640 words
with Windows programmer Ver. 2.2 or VersaPro 1.0 or later.
Configurable in 128 word increments, from 128 to 8,192
Analog Inputs - %AI
words with DOS programmer, and from 128 to 32,640 words
with Windows programmer Ver 2.2 when available or
VersaPro 1.0 or later.
Configurable in 128 word increments, from 128 to 8,192
Analog Outputs - %AQ
words with DOS programmer, and from 128 to 32,640 words
with Windows programmer Ver. 2.2 when available or
VersaPro 1.0 or later.
System Registers (for reference table 28 words (%SR)
CPU Type
Total Baseplates per System
Load Required from Power Supply
Processor Speed
Processor Type
Ethernet fuse, replaceable
Operating temperature
Typical Scan Rate
User Memory (total)
viewing only; cannot be referenced in user
logic program)
Timers/Counters
Shift Registers
Built-in Serial Ports
Communications
Override
Battery Backed Clock
Interrupt Support
Type of Memory Storage
PCM/CCM Compatibility
Floating Point Math Support
>2,000 (depends on available user memory)
Yes
1 (uses connector on PLC Power Supply). Supports
SNP/SNPX. Requires option modules for RTU and CCM.
Ethernet (internal) – AAUI or 10Base T. AAUI requires
external transceiver. 10Base T is direct.
Ethernet (additional) – Supports Ethernet option modules.
LAN – Requires option modules for Genius, Profibus, FIP.
Yes
Yes
Supports the periodic subroutine feature.
RAM and Flash
Yes
Yes, firmware-based
Note: On some modules the LED labeled “PS PORT” may say “SNP,” and/or the port labeled “STATION MGR
RS-232” may say “PORT 1 RS-232”; these are labeling changes only - the functionality was not changed.
a47501
SNP
PS
PORT
EOK
LAN
STAT
CPU 364
CPU 364
ON
OFF
ETHERNET
RESTART
STATION
MGR
RS - 232
AAUI
10BASE T
FRAME
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