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PanelMate
Texas Instruments Communication
Driver Manual
Eaton Corporation
Cutler-Hammer Business Unit
811 Green Crest Drive
Columbus, OH 43081
Preface
Information in this manual is subject to change without notice and does not represent a
commitment on the part of Eaton’s Cutler-Hammer, Inc. Permission is granted to duplicate
this material without modification only for your use or the internal use of other members of
your company or your agents to assist you in the use and servicing of products purchased
from Eaton’s Cutler-Hammer. No permission is granted to modify this material or include this
material in a compilation.
RESTRICTED RIGHTS LEGEND
Use, duplication, or disclosure by the Government is subject to restrictions set forth in
paragraph (b)(3)(B) of the Rights in Technical Data and Computer Software clause of DAR
7-104.9(a). Contractor/Manufacturer is Eaton Corporation’s Cutler-Hammer Business Unit,
811 Green Crest Drive, Columbus, OH 43081.
TRADEMARKS
PanelMate is a federally registered trademark of Eaton Corporation. MS-DOS, Microsoft, and
Windows are federally registered trademarks of Microsoft Corporation. Data Highway and
Data Highway Plus are trademarks of Allen-Bradley. DeviceNet is a trademark of Open
DeviceNet Vendor Association. Iomega is a federally registered trademark of Iomega
Corporation.
Commercial brand names (trademarks) of products of manufacturers or developers, other than
Eaton Corporation or its affiliates, that appear in this manual may be registered or
unregistered trademarks of those respective manufacturers or developers, which have
expressed neither approval nor disapproval of Cutler-Hammer products and services.
2002 Eaton Corporation. All rights reserved.
Printed in the United States of America.
P/N 01-00462-02
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2
Texas Instruments Communication Driver Manual
Support Services
The goal of Eaton’s Cutler-Hammer business unit is to ensure your greatest possible satisfaction with
the operation of our products. We are dedicated to providing fast, friendly and accurate assistance.
That is why we offer you so many ways to get the support you need. Whether it's by phone, fax or
mail, you can access Eaton’s Cutler-Hammer support information 24 hours a day, seven days a week.
Our wide range of services are listed below.
www.cutler-hammer.eaton.com
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Website Address
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You should contact your local distributor for product pricing, availability, ordering, expediting and
repairs.
Use the Cutler-Hammer website to find product information. You can also find information on local
distributors or Cutler-Hammer sales offices.
VOICE:
• 800-809-2772, selection 5 (8:00AM-5:00PM EST)
• 414-449-7100, selection 5 (8:00AM-5:00PM EST)
FAX: 614-882-0417
EMAIL: CHATechSupport@eaton.com
AFTER-HOURS PLANT DOWN EMERGENCY:
• 800-809-2772, selection 5 (5:00PM-8:00AM EST)
• 414-449-7100, selection 5 (5:00PM-8:00AM EST)
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e-TRC
Technical Resource Center
(support for OI, PLC & IPC)
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If you are in the US or Canada, and have OI/PLC/IPC questions, you can take advantage of our tollfree line for technical assistance with hardware and software product selection, system design and
installation, and system debugging and diagnostics. Technical support engineers are available for calls
during regular business hours.
Information Fax-Back Service
VOICE: 614-899-5323
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The latest Cutler-Hammer product information, specifications, technical notes and company news are
available to you via fax through this direct document request service. Using a touch-tone phone, you
can select any of the info faxes from our automated product literature and technical document library,
enter a fax number and receive the information immediately.
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Repair and Upgrade Service
(support for OI & IPC)
VOICE:
• 800-809-2772, selection 5 (8:00AM-5:00PM EST)
• 414-449-7100, selection 5 (8:00AM-5:00PM EST)
FAX: 614-882-3414
EMAIL: RepairCHA@eaton.com
If you have questions regarding the repair or upgrade of an OI/IPC, contact your local distributor.
Additional support is also available from our well-equipped Repair and Upgrade Service department.
European PanelMate Support
Center
VOICE: +41 1 806 64 44 (9:00AM-5:00PM CET)
EMAIL: CHSupport@bfa.ch
This center, located in Zurich, Switzerland, provides high-level quality support and product repair
services for your PanelMate products. You will receive real-time technical and application support.
Table of Contents
3
Table of Contents
Introduction....................................................................................................................................... 4
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Introduction .................................................................................................................................... 5
Installing Drivers ............................................................................................................................ 5
Downloading Drivers to a PanelMate Unit..................................................................................... 6
Serial Transfer Cables ................................................................................................................ 6
Memory .......................................................................................................................................... 8
Memory Ranges for the 500 Series Driver............................................................................... 11
Memory Ranges for the 405 Series Driver............................................................................... 12
Memory Ranges for the 305 Series Driver............................................................................... 13
Possible Configurations .................................................................................................................. 14
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Direct Connection......................................................................................................................... 15
Connection to a DCPM................................................................................................................. 15
Connection to a DCU ................................................................................................................... 15
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Cabling............................................................................................................................................. 16
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Communication between the Operator Station and the TI PLCs.................................................. 17
RS232C Cabling for TI PLCs .................................................................................................. 17
RS422 Cabling for TI 305, 405, 435, 505, 545, and 555 PLCs ............................................... 18
RS232C Cabling for TI PLCs .................................................................................................. 20
RS422 Cabling for TI 405, 305, and 545 PLCs ....................................................................... 21
Communication Parameters .......................................................................................................... 22
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Dual Communication Port Module TI 500 Series ........................................................................ 23
Serial Interface Port TI 435 PLC .................................................................................................. 24
Data Communication Module (DCM) TI 405 Series ................................................................... 27
Data Communication Unit (DCU) TI 305 Series ......................................................................... 30
Bit Writes with Ladder Logic – 405 Series .................................................................................. 32
PLC ID ..................................................................................................................................... 32
Bit Writes with Ladder Logic – Model 315.................................................................................. 35
PLC ID ..................................................................................................................................... 36
Bit Writes with Ladder Logic – Models 325 and 330 .................................................................. 37
PLC ID ..................................................................................................................................... 37
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Word and Bit References ............................................................................................................... 39
Word Referencing Method ........................................................................................................... 40
TI 500 Series Word and Bit References ................................................................................... 40
TI 405 Series Word, Byte, and Bit References ........................................................................ 41
TI 305 Series Word and Bit References ................................................................................... 42
Examples .................................................................................................................................. 44
Maintenance Access ........................................................................................................................ 47
Maintenance Access ..................................................................................................................... 48
Index................................................................................................................................................. 49
4
Texas Instruments Communication Driver Manual
Introduction
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1
In this chapter, you will learn:
About driver installation
•
How to download drivers to a PanelMate unit
•
The supported memory types
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Chapter 1: Introduction
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Introduction
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The Operator Station can be used with the programmable controllers in the Texas Instruments (TI) 500
Series (520, 530, 560, and 565), 405 Series (425, 430, and 435), and 305 Series (315, 325, and 330)
using the TI driver on the TIHL (Host Link) driver. The driver takes responsibility for
communications to the programmable controller, generating the protocol necessary to request
information from, and send information to, the PLC. The PLC simply responds to these requests and
commands. Ladder logic is required in the PLC to support bit writes to the TI 405 and TI 305 PLCs.
Note:
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Connection to PLCs using the TI or TIHL driver can be accomplished by a direct connection to the
RS232 port, the Data Communication Module (DCM), or the Data Communications Unit (DCU). The
RS232 connection can only be used Point-to-Point. RS422 has multi-drop capabilities.
Check the Cutler-Hammer web site for current information on PanelMate PC connectivity to
the Texas Instruments driver.
Installing Drivers
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PanelMate Configuration Editor software is installed using a CD-ROM. To install the drivers from the
CD-ROM, select the Install Software option and then Install Drivers. From the dialog box, select
the driver you wish to install.
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Texas Instruments Communication Driver Manual
Downloading Drivers to a PanelMate Unit
•
In the VCP Transfer Utility, choose the “Executive” tab and select the proper Executive Firmware
to download to the PanelMate unit.
•
Click the button labeled “Add to Operation List.”
Choose the “Driver” tab.
•
Select the appropriate driver to be downloaded to the PanelMate.
•
Click the button labeled “Add to Operation List.”
•
Place the PanelMate unit in Serial Transfer Mode.
•
Connect a serial transfer cable from the correct port on the PC to port 1 on the PanelMate. (See
cabling below.)
•
Click “Start” at the bottom of the VCP Transfer Utility window.
•
Note: For a more detailed description of downloading procedures and troubleshooting see
PanelMate Power Series, PowerPro, Pro LT Transfer Utility User’s Guide.
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Cable P/N 0518
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Serial Transfer Cables
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Note: In order to download to a PanelMate for the first time or to clear the existence of another
driver, the PanelMate must first be loaded with Executive Firmware.
Chapter 1: Introduction
Cable P/N 0818
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(PanelMate Power Series 1500 and PanelMate 500 only)
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Texas Instruments Communication Driver Manual
Memory
The 500 Series driver supports the following memory types.
Memory Type
Memory Address
16 Bit Word
WX Word Image Register
WY
WY Word Image Register
V
V Word Memory
DSP
Drum Step Preset
DSC
Drum Step Current Memory
DCP
Drum Count Preset Memory
DCC
Drum Count Current Memory (Read Only)
TCP
Timer/Counter Preset Memory
LMN
Output
LSP
Setpoint
LMX
Bias
Memory Type
Memory Address
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Bit
Y
Y Discrete Image Register
C Discrete Image Register
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C
X Discrete Image Register
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Loop Process Variable
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Timer/Counter Current Memory
LPV
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TCC
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WX
Chapter 1: Introduction
The 405 Series driver supports the following memory types.
Memory Type
Memory Address
Timer
CNT
Count
V
User Data
V
System Parameter
Memory Type
Memory Address
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TMR
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16-Bit Word
Remote I/O
X
Input
Y
Output
C
Control Relays
S
Stages
T
Timer Relays (Read Only)
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Byte or Bit
Counter Relays (Read Only)
SP
Special Relays (Read Only)
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CT
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Texas Instruments Communication Driver Manual
The 305 Series driver supports the following memory types.
Memory Type
Memory Area
16-Bit Word
Timer/Counter Accumulator (Read Only - Model 315)
R
Data Registers (Not Supported - Model 315)
Memory Type
Memory Area
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AC
R
Data Registers (Not Supported – Model 315)
(Read Only – Models 325 and 330)
Memory Type
Memory Area
Bit
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Byte
Input/Output, Internal Relay, Shift Register
(IO373-IO377 is Read Only - Model 315)
(IO374-IO377 is Read Only - Models 325 and 330)
T
Timer Element (Read Only - all models)
C
Counter Element (Read Only - all models)
TC
Timer/Counter Element (Read Only - all models)
SG
Stage Element
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IO
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Memory addresses are in octal.
Chapter 1: Introduction
Memory Ranges for the 500 Series Driver
PLC Type
16-Bit word
520
530
560
565
WX
1-1023
1-1023
1-8192
1-8192
WY
1-1023
1-1023
1-8192
1-8192
V
1-1024
1-5120
1-228352
1-228352
DSP
1-30
1-30
1-1152
1-1152
DSC
1-30
1-30
1-1152
1-1152
DCC
1-30
1-30
1-1152
TCP
1-128
1-400
1-10240
TCC
1-128
1-400
1-10240
DCP
1-30
1-30
1-1152
LPV
--
--
--
1-64
LMN
--
--
--
1-64
LSP
--
--
LMX
--
--
Memory Type
PLC Type
Bit
520
X
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1-10240
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1-1152
1-64
--
1-64
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--
565
1-1023
1-1023
1-8192
1-8192
1-1023
1-1023
1-8192
1-8192
1-511
1-1023
1-8192
1-8192
For the Drum memory type (DSP, DSC, DCP and DCC), the range represents the drum
number. For DCP memory, the range of step values is 1-16. DCP values are entered using
the format [DCPxx yy] where xx = drum number, yy = the step value.
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Note:
1-10240
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1-1152
530
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Memory Type
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The 500 Series driver supports the following memory types and ranges.
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Texas Instruments Communication Driver Manual
Memory Ranges for the 405 Series Driver
The 405 Series driver supports the following memory types and ranges.
Memory Type
Memory Address
V Memory Addresses
Timer
TMR0-TMR177
V00000-V00177
Counter
CNT0-CNT177
V01000-V01177
User Data
V01400-V07377
V01400-V07377
System Param
V07400-V07777
V07400-V07777
Memory Type
Memory Address
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V Memory Addresses
Byte or Bit
Remote I/O
GX0-GX777
Inputs
X0-X477
Outputs
Y0-Y477
Control Relays
C0-C737
Stages
S0-S577
Timer Relays
T0-T177 (Read Only)
V41100-V41107 (Read Only)
Counter Relays
CT0-CT177 (Read Only)
V41140-V41147 (Read Only)
Special Relays
SP0-SP137 (Read Only)
V41200-V41205 (Read Only)
Special Relays
SP320-SP617 (Read Only)
V41215-V41230 (Read Only)
V40000-V40037
V40400-V40423
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V40500-V40523
V40600-V40635
V41000-V41027
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16-Bit Word
Chapter 1: Introduction
13
Memory Ranges for the 305 Series Driver
The 305 Series driver supports the following memory types and ranges.
PLC Type
16-Bit Word
315
325
330
Timer/Counter Acc
AC600-AC624*
AC600-AC677
AC600-AC677
Data Registers
Not Supported
R400-R577
R400-R577
Memory Type
PLC Type
Byte or Bit
315
325
330
Timer*
T600-T624**
T600-T677
T600-T677
Timer/Counter*
TC600-TC624
TC600-TC677
TC600-TC677
Counter*
C600-C624**
C600-C677
C600-C677
Input/Output
IO000-IO017*
IO20-IO357
IO360-IO377**
IO000-IO373
IO374-IO377*
IO400-IO577
IO700-IO777
IO000-IO373
IO374-IO377*
IO400-IO577
IO700-IO777
Stage
SG000-SG137
SG000-SG173
SG174-SG177*
SG000-SG173
SG174-SG177*
Data Registers*
Not Supported
R400-R577
R400-R577
** Not Available
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When using the 315 model, updates may take up to two minutes. The slow update times are
due to limitations within the 315 model not the Operator Station.
Note:
For models 325 and 330, byte IO370 and SG170 are read only.
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Note:
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* Read Only
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Memory Type
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Texas Instruments Communication Driver Manual
Possible Configurations
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2
In this chapter, you will learn:
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How to connect an operator station to Texas Instruments PLCs
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•
Chapter 2: Possible Configurations
Direct Connection
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See the TI manual for your PLC to set the baud rate for the port on the CPU.
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Connection to a DCPM
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Connection to a DCU
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Texas Instruments Communication Driver Manual
Cabling
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3
In this chapter, you will learn:
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The cabling requirements for Texas Instruments PLCs
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Chapter 3: Cabling
Communication between the Operator Station and the TI PLCs
Communications between the Operator Station and TI 500 PLCs is achieved via RS232.
Communications between the 405 and 305 PLCs can be achieved via RS232 or RS422. The
maximum cable length when using RS232 is 50 feet, while the maximum cable length for RS422 is
4000 feet. RS422 cable must be a twisted double-wire shielded cable.
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A 15-foot PLC cable can be purchased from Cutler-Hammer. Contact the Customer Support Group
(see the Customer Support section in the Preface,) or your local distributor for more information.
Refer to the PLC Cabling Cross-Reference List section for cabling catalog numbers.
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RS232C Cabling for TI PLCs
Cable Catalog Number: TI21
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The Operator Stations that have 9-pin female connectors (DP-9S) must have cables configured male
connectors (DB-9P).
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Cable Catalog Number: TI22
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Texas Instruments Communication Driver Manual
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Cable Catalog Number: TI23
RS422 Cabling for TI 305, 405, 435, 505, 545, and 555 PLCs
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Cable Catalog Number: TI24A
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Cable Catalog Number: TI25A
Chapter 3: Cabling
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Cable Catalog Number: TI26A
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Cable Catalog Number: TI27A
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Texas Instruments Communication Driver Manual
RS232C Cabling for TI PLCs
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The Operator Stations that have RJ-11 6-wire and RJ-45 modular jacks must have cables configured
with modular connections.
Chapter 3: Cabling
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RS422 Cabling for TI 405, 305, and 545 PLCs
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Texas Instruments Communication Driver Manual
Communication Parameters
In this chapter, you will learn:
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The different switch settings
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4
Chapter 4: Communications Parameters
23
Dual Communication Port Module TI 500 Series
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The Dual Communication Port Module (DCPM) has two RS232/423 ports that work independently
and permit simultaneous communication. The Operator Station does not support RS423. RS232 must
be used for communications. The two ports are identical to the programming port on the PLC. All
communication is serial with one stop bit at all baud rates, except at 110 baud, which has two stop bits.
The ports may be configured for a baud rate ranging from 110 to 19.2K, and also for DTE or DCE
mode. Standard communication parameters for communicating with TI PLCs are shown below.
These parameters are given only as a starting point and may be changed to meet the demands of your
application.
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7 Data Bits
1 Stop Bit
Odd Parity
9600 Baud
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Under the front access cover are two dipswitch banks. The upper dipswitch bank is for configuring
port 1, while the lower dipswitch bank is for configuring port 2. The configuration switches are
shown in the following figure.
Dipswitch Bank Locations
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Set switch 4 to the 1 position to select DTE mode or into the 0 position to select DCE mode. Switches
5 through 8 are not used. The Baud Rate Selection table is shown below.
Baud Rate
110
300
600
1200
2400
4800
9600
19.2K
Switch 1
0
1
0
1
0
1
0
1
Switch 2
0
0
1
1
0
0
1
1
Switch 3
0
0
0
0
1
1
1
1
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Texas Instruments Communication Driver Manual
Serial Interface Port TI 435 PLC
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The Serial Interface Port enables the TI 435 PLC to interface directly to the Operator Station. The
figure below shows the TI 435 Serial Interface Port.
Chapter 4: Communications Parameters
25
Name
Pin
Name
1
Not Used
14
TXD+
2
TXD
15
Not Used
3
RXD
16
TXD-
4
RTS
17
Not Used
5
CTS
18
RTS-
6
Not Used
19
RTS+
7
SG
20
Not Used
8
Not Used
21
Not Used
9
RXD+
22
Not Used
10
RXD-
23
CTS-
11
CTS+
24
Not Used
12
Not Used
25
Not Used
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Pin
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The table below shows the pinouts for the Serial Interface Port.
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Communication to the TI 435 is through the Host Link Protocol in Master/Slave mode. The Operator
Station uses hexadecimal data protocol, not ASCII. Note that the data protocol and parity are set with
the TI programming software in the Auxiliary Function 26, Set Secondary Address. Standard
communication parameters for communicating directly with the TI 435 Serial Interface Port are shown
below.
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8 Data Bits
1 Stop Bit
Odd Parity
300 to 19200 Baud Rate*
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* The baud rate is dipswitch selectable.
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Texas Instruments Communication Driver Manual
Dipswitch Settings
The dipswitch block is located at the rear of the CPU. The table below summarizes the dipswitch
settings for the CPU dipswitch.
ON
OFF
SW1
CPU Battery
CPU battery enabled
SW2
Station Address is 1
Station address is set via MIU (Machine
Interface Unit) or programming software
SW3
Baud rate selection for Serial Interface Port
SW4
Baud rate selection for Serial Interface Port
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Switch
Dipswitch Settings for Baud Rate
SW4
300
Off
Off
1200
Off
On
9600
On
Off
19200
On
On
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Baud
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SW3 and SW4 on the dipswitch control the baud rate at which the Serial Interface Port will operate.
Refer to the table below for the baud rates corresponding to the settings of SW3 and SW4.
Chapter 4: Communications Parameters
Data Communication Module (DCM) TI 405 Series
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The Data Communication Module (DCM) enables the TI Series 405 PLCs to interface with the
Operator Station. The DCM supports the Hostlink protocol either Master/Slave or Peer-to-Peer. In
the Master/Slave configuration, the Operator Station will be the Master device and the DCM will be
the slave device in both the Point-to-Point and the Multidrop configurations. The DCM has a serial
connection that will connect to the multi-drop network or directly point-to-point to the Operator
Station.
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Switch Locations
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Texas Instruments Communication Driver Manual
There are two rotary switches on the DCM that select the network address of the PLC. This address
must match the assigned PLC ID in the PLC Name and Port Table. There are two dipswitches located
on the DCM. Dipswitch 1 sets the communication parameters. Switches 1, 2, and 3 of dipswitch 1
select the baud rate. Switch 4 sets the parity. Switch 5 must be set to OFF. Switches 6 through 8 set
the Response Time Delay. This should be set to 0ms.
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Dipswitch 1
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Dipswitch 2 sets the communication protocol and communication functions. Switch 1 and 2 select the
protocol to be used. The following table shows the valid switch setting for the Operator Station
Interface.
Protocol
Switch 1
Switch 2
TI-HL/M
Hostlink
Slave
OFF
OFF
Hostlink
P/P
ON
OFF
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Operator Station Port
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TI-HL/P
Chapter 4: Communications Parameters
Switch 3 and 4 of dipswitch 2 should be set to OFF to enable communication timeout and to allow
data to be transmitted in hexadecimal.
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Dipswitch 2
The following parameters are the default port characteristics of the DCM.
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RS422
8 Data Bits
1 Stop Bit
Odd Parity
Baud Rate 9600
Master-Slave
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Texas Instruments Communication Driver Manual
Data Communication Unit (DCU) TI 305 Series
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The Data Communication Unit (DCU) enables the TI Series 305 PLCs to interface with external
devices. The DCU only supports the master/slave protocol. The Operator Station will be the master
device and the DCU will be the slave. When selecting a port use in the PLC Name and Port
Parameters Table, use TI-HL/M (Texas Instruments Hostlink master/slave). The two DCU models are
305-02DM and 305-03DM. The 305-02DM has one RS422 port and can be multi-dropped from a
network with up to 90 (405 or 305) controllers. This model also supports a point-to-point connection.
The 305-03DM has one RS232 port and must use a point-to-point connection.
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Data Communications Unit
Chapter 4: Communications Parameters
31
There are two dipswitches located on the DCU. Dipswitch 1 selects the baud rate and internal
functions. Switches 1 and 2 of dipswitch 1 select the baud rate. Switches 3 through 8 select the
internal functions of dipswitch 1. See the following tables for the recommended settings.
Baud Rate Settings for Dipswitch 1
Switch 1
Switch 2
300
Off
Off
1200
On
Off
9600
Off
On
19200
On
On
Internal Function Settings for Dipswitch 1
Function
Setting
3
Parity
Odd or None
4
Self-Diagnostic
Operate
5
Turn-Around Delay
No Delay
6
Mode at Power Up
PGM or Run
7
Not Used
8
Transmission Mode
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Switch
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Baud Rate
HEX
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Dipswitch 2 sets the slave address of the PLC. This must match the PLC ID in the PLC Name and
Port Parameters Table. The station number can be any number from 1 to 90. The switches are set in
binary with switch 1 representing the least significant bit. See the figure below for an example of
dipswitch 2 with the station number set to 9.
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Dipswitch 2
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Texas Instruments Communication Driver Manual
Bit Writes with Ladder Logic – 405 Series
Register 2
Register 3
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Register 4
This register contains a 16-bit mask in which the bit position to be set will be set to 1 and
all other bits will be set to 0.
Each memory type has a corresponding V memory address. Register 2 contains the V
memory address in which the bit to be set is located.
This register contains a 16-bit mask in which the bit position to be reset will be set to 0
and all other bits will be set to 1.
This register contains the V memory address in which the bit to be reset is located.
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Register 1
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The Texas Instruments Hostlink Protocol does not permit an external intelligent device to directly alter
the state of a single bit without over-writing the entire byte in which that bit exists. As a result, the
Operator Station will write values to designated registers in the PLC, specifying which bit should be
set or cleared. It is necessary to write a section of Ladder Logic/Stage Programming to interpret this
value in order to change the appropriate bit. The Operator Station will write to four V memory
registers to set or reset a bit. The four registers will be consecutive starting with the Bit Write register
entered in the PLC ID field. If a Bit Write register is not entered, the register will default to V7374.
When the default register is used, V7374, V7375, V7376 and V7377 will be used to accomplish the
Bit Writes.
PLC ID
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The format for the PLC ID for TI 405 will include both the PLC ID and a memory register used for the
four Bit Write registers. The format will be the PLC ID followed by the memory address.
XX-VYYYYY or XX-YYYYY or XX
Where
PLC ID in range 1 - 90
PLC ID/memory address separator
Optional memory type specifier
Optional starting with V memory address in range 1400 -7374
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XX
V
YYYYY
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If a memory address is not entered, the Bit Write register will default to V7374. The following ladder
logic rungs may be added to a TI 405 program for the purpose of setting and clearing individual bits.
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Chapter 4: Communications Parameters
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Texas Instruments Communication Driver Manual
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34
Chapter 4: Communications Parameters
35
Bit Writes with Ladder Logic – Model 315
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The Texas Instruments Hostlink Protocol does not permit an external intelligent device to directly alter
the state of a single bit without over-writing the entire byte in which the bit exists. As a result, the
Operator Station will write values to designated registers in the PLC, specifying which bit should be
set or cleared. A section of Ladder Logic/Stage Programming is necessary to interpret this value in
order to change the appropriate bit. The Operator Station will write to two consecutive bit/byte
memory registers to set or reset a bit. The starting register that the Operator Station will write to, is
determined by the register entered in the PLC ID field. If a Bit Write register is not entered, the
register will default to IO340. When the default register is entered, the register will default to IO340.
When the default register is used, bytes IO340 and IO350 will be used to accomplish bit writes.
The following describes the values that will be written to the memory addresses:
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Byte 1 This byte will be used to set bits 0-177. To set a particular bit, the actual bit number (octal)
will be sent to this byte value. To reset the same bit, the bit number (octal) plus 200 (octal)
will be sent to this byte value.
Byte 2 This byte will be used to set bits 200-373. To set a particular bit, the actual bit number (octal)
minus 200 (octal) will be sent to this byte value. To reset the same bit, the bit number will be
sent to this byte value.
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Two rungs of ladder logic will be required for each bit write. Each rung will test the individual bits
within the specified byte memory location for the bit pattern expected from the Operator Station. If
the rung is true, the logic will set or reset a particular bit as required.
36
Texas Instruments Communication Driver Manual
PLC ID
The format for the PLC ID for the model 315 will include both the PLC ID and a memory register
used for the two Bit Write registers. The format will be the PLC ID followed by the memory address.
XX-IOYYY or XX-YYY or XX
Where
Note:
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PLC ID in range 1-90
PLC ID/memory address separator
Optional memory type
Optional Starting IO byte memory address in range 0-340.
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XX
IO
YYY
In the PLC ID field, IO will default to a byte address.
Example 1:
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The memory address must be on an 8-bit boundary. If an IO memory address is not entered, the Bit
Write register will default to IO340. The following ladder logic rungs are an example of setting and
clearing bits that may be added to a model 315 program for the purpose of setting and clearing
individual bits.
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With a bit write to IO054, the Operator Station will write 54 octal (44 decimal). Rung 1 tests
for bit pattern 0010 1100 in byte IO340 and set IO054.
The Operator Station will also write 254 octal (172 decimal) to byte IO340. Rung 2 tests for
bit pattern 1010 1100 in byte IO340 and resets IO054.
Example 2:
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With a bit write to IO213, the Operator Station will write 13 octal (11 decimal). Rung 3 tests
for bit pattern 0000 1011 in byte IO350 and sets IO213.
The Operator Station will also write 213 octal (139 decimal) to byte IO350. Rung 4 tests for
bit pattern 1000 1011 in byte IO350 and re-sets IO213.
Chapter 4: Communications Parameters
37
Bit Writes with Ladder Logic – Models 325 and 330
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The Texas Instrument Hostlink Protocol does not permit an external intelligent device to directly alter
the state of a single bit without overwriting the entire byte in which that bit exists. As a result, the
Operator Station will write to a designated register in the PLC, specifying which bit should be set or
cleared. A section of Ladder Logic Programming is necessary to be written to interpret this value in
order to change the appropriate bit. The starting register that Operator Station will write to is
determined by the register entered in the PLC ID field. If a Bit Write register is not entered, the
register will default to AC677.
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To set a bit, the bit number will be sent to the Bit Write register. To reset a bit, the bit number
(decimal) + 1000 (decimal) will be sent to the Bit Write register.
Two rungs of ladder logic will be required for each bit write. Each rung will test the specified register
for the expected value from an Operator Station. If the rung is true, the logic will set or rest a
particular bit as required.
PLC ID
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The format for the PLC ID for models 325 and 330 will include both the PLC ID and a memory
register sued for the Bit Write register. The format will be the PLC ID followed by the memory
address.
XX-ACYYY or XX-YYY or XX
Where
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PLC ID in range 1-90
PLC ID/memory specifier
Optional memory type
Optional starting AC memory address in range 600-677
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XX
AC
YYY
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Texas Instruments Communication Driver Manual
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If an AC memory address in not entered, the Bit Write register will default to AC677. The following
ladder logic rungs are an example of setting or clearing bits that may be added to models 325 and 330
program for the purpose of setting and clearing individual bits
Chapter 5: Word and Bit References
Word and Bit References
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5
In this chapter, you will learn:
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How to configure word and bit references
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Texas Instruments Communication Driver Manual
Word Referencing Method
The general word referencing method is:
[plcname,word#format]
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The "plcname" is the name of the designated PLC as listed in the PLC Name and Port Table. The
"word" is the reference number (address) of the word or register to be read or written. The "#format"
is a code which specifies the format of the data being read or written. The "plcname" and "#format"
are optional.
The general bit referencing method is:
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[plcname,bit]
The "plcname" is the designated PLC as listed in the PLC Name and Port Table. The "bit" is the
reference number (address) of the bit, coil, or input to be written or read.
TI 500 Series Word and Bit References
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See the "Word and Bit References" topic in the Configuration Software Online Help for a more
detailed explanation of word and bit references, including format descriptions.
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Texas Instruments 520, 530, 560, and 565 PLCs use decimal word addresses. The Operator Station
format default is U16.
The following is the format for an output reference.
[YY]
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Place reference number of the output.
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Chapter 5: Word and Bit References
TI 405 Series Word, Byte, and Bit References
Texas Instruments 405 PLCs use octal word addresses. The Operator Station format default is U16.
The following is the format for a register reference.
[XY]
X
Y
Memory type (TMR, CNT, and V)
Word address (leading zeroes not required)
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To reference a byte value, the memory address must be on an 8-bit boundary. The following is the
format for an 8-bit (byte) reference.
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[B:XY]
B
:
X
Y
Designating byte reference
Byte designator/byte address separator
Memory type (GX, X, Y, C, S, T, CT, and SP)
Byte address
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The following is the format for a bit referenced within a word.
[XY/B]
Memory type (TMR, CNT, and V)
Word address (leading zeroes not required)
Bit number in the range (0-17 in octal)
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Y
B
[XY]
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Y
Memory type (GX, S, Y, C, S, T, CT, and SP)
Bit address (leading zeroes not required)
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The following is the format for a single bit reference (device).
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Texas Instruments Communication Driver Manual
TI 305 Series Word and Bit References
Texas Instruments 305 PLCs use octal word addresses. The Operator Station format default is U16.
The following is the format for a register reference.
[XY]
Note:
Memory type (AC and R - for 325 and 330 models)
Word address (leading zeroes not required)
The Data Register (R) is 8-bits with this format.
The following is the format for a 16-bit data register reference.
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:
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[W:RY]
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X
Y
Designating 16-bit word reference
16-bit designator/address separator
Data register specifier
Word address
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To reference a byte value, the memory address must be on an 8-bit boundary. The following is the
format for an 8-bit (byte) reference
Write restrictions that apply to each bit memory type also apply to the byte references. Byte
IO370 is read only.
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Designating byte reference
Byte designator/byte address separator
Memory type (IO, T, TC, C, and SG)
Byte address
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:
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[B:XY]
Chapter 5: Word and Bit References
The following is the format for a bit referenced within a word.
[XY/B]
Memory type (AC and R - for 325 and 330 models)
Word address (leading zeroes not required)
Delimiter to separate bit number
Bit number in the range (0-17, 0-7 for Data Register)
or
[W:RY/B]
Designating word reference
Word designator/address separator
Memory type (R - for 325 and 330 models)
Word address
Delimiter to separate bit number
Bit number in the range (0-17)
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:
R
Y
/
B
The following is the format for a single bit reference (device).
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[XY]
Memory type (IO, T, TC C, and SG)
Bit address (leading zeroes not required)
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X
Y
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X
Y
/
B
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Texas Instruments Communication Driver Manual
Examples
The following are examples of valid PLC references that may be assigned in the Operator Station
expression fields.
500 Series
Word References
Description
[WX12]
Word image register 12
[WY18]
Word image register 18
[V22]
V Word memory 22
[DSP12]
Drum step preset 12
[DSC15]
Word 15 of drum step current memory
[DCC9]
Word 9 of drum count current memory
[TCP4]
Word 4 of timer/counter preset memory
[TCC19]
Word 19 of timer/counter current memory
[LPV34]
Word 34 of loop process variable
[LMN43]
Output word 43
[LSP44]
Setpoint word 44
[LMX61]
Bias word 61
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Reference
Bit References
Description
[X520]
Bit 520 of a discrete image register
[Y680]
[C7123]
Bit 680 of a discrete image register
Bit 7123 of a discrete image register
Step 16 of drum 30 of drum count preset memory
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[DCP30 16]
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Reference
Chapter 5: Word and Bit References
405 Series
Reference
Description
[TMR11]
Timer register 12
[CNT30]
Counter register 30
[V24]
User Data register 22
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Word References
[B:GX10]
Remote I/O register 10
[B:X20]
Input register 20
[B:Y100]
Output register 100
[B:C30]
Control relay register 30
[B:S40]
Stage register 40
[B:T50]
Timer relay register 50
[B:CT170]
Counter relay register 170
[B:SP0]
Special relay register 0
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Description
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Byte References
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Bit References
Description
[GX12]
Bit 12 of remote I/O memory
[X315]
Bit 315 of input memory
Bit 10 of counter word 150
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[CNT.50/10]
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Reference
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Texas Instruments Communication Driver Manual
305 Series
Word References
Reference
Description
[AC614]
Timer/Counter register 614
[W:R502]
Data register 502 (325 or 330 models only)
Description
[R12]
Data register 12 (325 or 330 models only)
[B:T611]
Timer register 611
[B:SG20]
Stage register 20
Bit References
Description
[IO12]
Input/Output register 12
[T617]
Timer element 617
[C622]
Counter element 622
[TC600]
Timer/Counter element 600
[SG43]
Stage element 43
[W:R510/11]
Bit 11 of data register 510 (325 or 330 models only)
[AC613/17]
Bit 17 of timer accumulator word 613
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Reference
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Reference
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Byte References
Chapter 6: Maintenance Access
Maintenance Access
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6
In this chapter, you will learn:
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How to use the Maintenance Template
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Texas Instruments Communication Driver Manual
Maintenance Access
The Maintenance Template will access all memory locations supported by the PLC driver as defined in
this manual. When running online, you may change the PLC reference. The Maintenance Template is
designed to assist you in specifying the PLC reference by scrolling through a list of mnemonics that
are used to enter the PLC word reference. When online in the PLC reference change mode, the
following list is available.
“AC”, “R”, “IO”, “T”, “C”, “TC”, “SG”, “W”, “B:”, and “/”
TI 405
“TMR”, “CNT”, “V”, “GX”, “X”, “Y”, “C”, “S”, “T”, “CT”,“SP”, “B:”, and “/”
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TI 305
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TI 500
“X”, “Y”, “WX”, “WY”, “C”, “V”, “DSP”, “DSC”, “DCP”,“DCC”, “TCP”, “TCC”,
“LPV”, “LMN”, “LSP”, and “LMX”
You must enter the correct mnemonics and numeric values and create a legal reference to change a
PLC reference.
When a new reference is entered on an Operator Station, the Maintenance Template will
remain in a paused state until the Start Monitor control button or the Chng soft function key
is pressed. When the Start Monitor control button or the Chng soft function key is pressed,
the Operator Station will parse the reference. (Parsing means checking the syntax and range
of the reference to ensure that it is supported by the driver.)
Note:
A Maintenance Template cannot be used to monitor unsolicited references.
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Note:
Index
305 Series, 13
405 Series, 12
500 Series, 11
Memory Types, 8
305 Series, 10
405 Series, 9
500 Series, 8
B
Bit Writes with Ladder Logic
315 Model, 35
325 and 330 Models, 37
405 Series, 32
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Connection to a DCPM, 15
Connection to a DCU, 15
Operator Station and the TI PLCs Communication, 17
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PLC ID
315 Model, 36
325 and 330 Models, 37
405 Series, 32
R
RS232C Cabling, 17, 18, 19, 20
RS422 Cabling, 18, 21
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Data Communication Module
405 Series, 27
Data Communication Unit
305 Series, 30
Direct Connection, 15
Downloading Drivers to a PanelMate Unit, 6
Dual Communication Port Module
500 Series, 23
E
S
Installing Drivers, 5
Introduction, 5
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Examples, 44
305 Series, 46
405 Series, 45
500 Series, 44
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Maintenance Access, 48
Memory Ranges
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Index
Serial Interface Port
435 Model, 24
Serial Transfer Cables, 6
W
Word and Bit References
305 Series, 42
500 Series, 40
Word Referencing Methods, 40
Word, Byte, and Bit References
405 Series, 41
49
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