Rockwell Automation 1785 PLC-5 Manuale utente
1785 PLC-5 Programmable Controllers
Quick Reference
Addressing Instruction SetHardware Components Switch Settings Troubleshooting
Front Panels ........................ 1-1
Processor Comparison......... 1-6
1771 I/O Chassis ............... 1-10
Power Supplies.................. 1-11
Keyswitch.......................... 1-13
Processor Status File ......... 1-14
I/O Status File .................... 1-30
Data Table Files ...................2-1
Program Files ......................2-4
I/O Image Addressing...........2-5
Logical Addressing...............2-6
Indexed Addressing..............2-7
Indirect Addressing ..............2-7
I/O Addressing Modes ..........2-8
I/O Placement ......................2-8
Concept Summary................2-9
Status Bits........................... 3-1
Relay................................... 3-2
Timer .................................. 3-5
Counter ............................... 3-7
Compare ............................. 3-9
Compute ........................... 3-12
Logical .............................. 3-22
Conversion ........................ 3-24
Bit Modify and Move.......... 3-26
File.................................... 3-28
Diagnostic ......................... 3-30
Shift Register..................... 3-32
Sequencer......................... 3-35
Program Control ................ 3-36
Processor Control and
Message ........................... 3-41
Block and ControlNet
Transfer ............................ 3-43
ASCII ................................. 3-47
Chassis Backplane...............4-1
Chassis Configuration ..........4-3
Complementary I/O ..............4-4
Enhanced and
Ethernet PLC-5 ....................4-7
ControlNetwork Address .... 4-11
Classic PLC-5 .................... 4-12
Ethernet Jumper ................4-21
Enhanced and Ethernet PLC-5
General .........................5-1
Communication.............5-3
PLC-5/40L and PLC-5/60L
Communication ....................5-5
Ethernet
Status and Transmit .............5-7
ControlNet
Status Indicators ..................5-8
Classic PLC-5
General ..............................5-12
Adapter Mode .............5-14
Scanner Mode.............5-15
Remote I/O .........................5-17
Extended Local I/O .............5-25
Flex I/O ControlNet .............5-28
1771 I/O ControlNet............5-29
ControlNet I/O Status..........5-30
ControlNet Errors................5-35
Fault Codes ........................5-45
Using this Manual
This Quick Reference provides information frequently needed for using and maintaining your Allen-Bradley
PLC-5 processor.
It is intended for reference purposes only, and not as the sole source of information.
For more specific information on any topic in this Quick Reference, see:
• Enhanced and Ethernet PLC-5 Family Programmable Controllers User Manual, publication 1785-6.5.12
• Classic PLC-5 User Manual, publication 1785-6.2.1
• ControlNet PLC-5 Programmable Controllers Phase 1.5 User Manual, publication 1785-6.5.22
Important User Information
Because of the variety of uses for the products described in this publication, those responsible for the application
and use of this control equipment must satisfy themselves that all necessary steps have been taken to assure that
each application and use meets all performance and safety requirements, including any applicable laws,
regulations, codes and standards.
The illustrations, charts, sample programs and layout examples shown in this guide are intended solely for
purposes of example. Since there are many variables and requirements associated with any particular installation,
Allen-Bradley does not assume responsibility or liability (to include intellectual property liability) for actual use
based upon the examples shown in this publication.
The Safety Guidelines for the Application, Installation, and Maintenance of Solid State Control, publication
SGI-1.1 (available from your local Allen-Bradley office), describes some important differences between
solid-state equipment and electromechanical devices which should be taken into consideration when applying
products such as those described in this publication.
Reproduction of the contents of this copyrighted publication, in whole or in part, without written permission of
Allen-Bradley Company, Inc. is prohibited.
Summary of Changes
In this release of the PLC-5 Quick Reference, we have altered the way we reference software documentation.
Rather than show specific screens and key sequences which may vary according to the software package you
are using, we refer you instead to the programming software documentation that accompanies your particular
software package. Of course, we still provide the essential reference information you need to quickly accomplish
your tasks, but if you have specific questions about software procedures, you should refer to your programming
software documentation set.
To help you find new information, we included change bars as shown to the left of this paragraph.
Conventions
The table below describes the naming conventions used in this manual:
☞You see this symbol in the lower right-hand corner of the page when information is continued on the next page.
© 1999 Rockwell Automation
PLC, PLC-2, PLC-3, PLC-5, PLC-5/10, PLC-5/11, PLC-5/12, PLC-5/15, PLC-5/20, PLC-5/25, PLC-5/30, PLC-5/40, PLC-5/40L, PLC-5/60, PLC-5/60L, PLC-5/80, PLC-5/20E, PLC-5/40E, PLC-5/80E, PLC-5/250,
PLC-5/20C, PLC-5/40C, PLC-5/80C, Ethernet, and DH+ are trademarks of Rockwell Automation.
This name: Represents these processors:
Enhanced PLC-5/11™PLC-5/40™
PLC-5/20™PLC-5/60™
PLC-5/30™PLC5/80™
PLC-5/40L™PLC-5/60L™
Ethernet PLC-5/20E™PLC-5/40E™
PLC5/80E™
ControlNet
Phase 1.5 PLC-5/20C15™5/40C15™
5/80C15™
Classic PLC-5/10™PLC-5/15™
PLC-5/12™PLC-5/25™
Hardware Components
Front Panel 1-1
Front Panel – Enhanced
PLC-5 Processors
Channel 1A
fixed DH+ port
Keyswitch
Channel 0 - on-board
serial port
Channel 1A status
indicator (green/red)
Connect programming terminal
here when channel 1A is configured
for DH+ communications
Channel 1A communication port
Install memory
module here
Battery holder
Channel 1B status
indicator (green/red)
Channel 1B
communication port
PLC-5/11 Processor PLC-5/20 Processor
Battery (red)
Processor RUN/FAULT (green/red)
Force (amber)
Channel 0 communication
status (green)
Indicators:
Hardware Components
Front Panel 1-2
PLC-5/30, -5/40, -5/60,
-5/80 Processor PLC-5/40L, -5/60L Processor
Keyswitch
Battery holder
Channel 2A status
indicator (green/red)
Connect programming terminal here
when channel 2A is configured for
DH+ communications
Channel 2A communication port
Channel 2B communication port
Channel 1A status
indicator (green/red)
Channel 1A communication port
Channel 1B communication port
Channel 2 status
indicator (green/red)
Channel 2
extended-local I/O
communication port
Channel 2B
status indicator
(green/red)
Install memory
module here
Channel 1B
status indicator
(green/red)
Channel 0 - on-board
serial port
The PLC-5/30 processor has 2 communication ports and 1 serial port
Battery (red)
Processor RUN/FAULT (green/red)
Force (amber)
Communication ACTIVE/FAULT
status (green/red)
Indicators:
Labels to write information
about the channel
communication mode,
station addresses, etc.
Connect programming terminal here
when channel 1A is configured for
DH+ communications
Hardware Components
Front Panel 1-3
Front Panel – Ethernet
PLC-5 Processors
PLC-5/20E Processor
Keyswitch
Channel 0 - on-board
serial port
Channel 1A status
indicator (green/red)
Connect programming
terminal here
Channel 1A
Battery (red)
Processor RUN/FAULT (green/red)
Force (amber)
Channel 0 communication
status (green)
Install memory
module here
Battery holder
Channel 1B status
indicator (green/red)
Channel 1B
Channel 2 Ethernet
status indicators
Channel 2
Indicators:
Battery (red)
Force (amber)
Communication
ACTIVE/FAULT (green/red)
Channel 0 - on-board
serial port
Labels to write information
about the channel
communication mode,
station addresses, etc.
Keyswitch
Channel 1A
Channel 1B
Battery holder
Channel 2
Indicators:
PLC-5/40E, -5/80E Processor
Channel 1A status
indicator (green/red)
Connect programming
terminal here
Channel 2 Ethernet
status indicators
Processor RUN/FAULT
(green/red)
Install memory
module here
Channel 1B status
indicator (green/red)
Hardware Components
Front Panel 1-4
Channel 2 Status Indicators
PLC-5/20C15 Processor
Keyswitch
I/O Status Indicator
Network Access Port
Channel 2
Channel 0
Channel 1 Status Indicators
DH+ Programming Terminal
Connection to Channel 1A
Channel 1A
Battery
Processor RUN/FAULT
Force
Channel 0 Communication
ACTIVE/FAULT
Memory Module Space
Battery Holder
Channel 1B
Keyswitch
I/O Status Indicator
Channel 2 Status Indicators
Network Access Port
Channel 2
Channel 1 Status Indicators
DH+ Programming Terminal
Connection to Channel 1A
Channel 1A
Channel 1B
Battery
Processor RUN/FAULT
Force
Channel 0 Communication
ACTIVE/FAULT
Channel 0 - on-board serial port
Memory Module Space
Battery Holder
PLC-5/40C15, -5/80C15 Processor
Front Panel – ControlNet PLC-5 Processors
ControlNet PLC-5 Processors
Phase Catalog Number
1.0/1.25 1785L20C, -L40C, -L80C
1.5 1785L20C15, -L40C15, -L80C15
Hardware Components
Front Panel 1-5
Hardware Components
REM I/O indicator
ACTIVE/FAULT
(green/red) P
R
O
G
PLC-5/10 Processor PLC-5/12, -5/15, -5/25 Processor
Keyswitch
DH+ communication
indicator ACTIVE/FAULT
(green/red)
Connect programming
terminal here
Connect DH+
link here
Adapter indicator
(green)
Connect remote
I/O link here
Battery holder
Write the DH+
network station
number on this label
12373
Battery (red)
Processor RUN/FAULT (green/red)
Force (amber)
Indicators:
Front Panel – Classic
PLC-5 Processors
Hardware Components
Processor Comparison 1-6
Comparison Chart for
PLC-5 Family Processors
Processor Memory
(Words)
Local
Chassis
Remote Chassis
(I/O Racks)
I/O Capacity Communication
PLC-5/10 6K 1 resident none 128 (8-pt) 1, 256 (16-pt) 1, 512 (32-pt) 1DH+ link
PLC-5/12 6K 1 resident none 128 (8-pt) 1, 256 (16-pt) 1, 512 (32-pt) 1adapter, DH+ link
PLC-5/15 6K
(expands to
14K)
1 resident 12
(3 I/O racks) • 512 1
• 512 inputs and 512 outputs using 16- or
32-pt modules 2
adapter/remote I/O scanner, DH+ link
PLC-5/25 13K
(expands to
21K)
1 resident 28
(7 I/O racks) • 1024 1
• 1024 inputs and 1024 outputs using 16-
or 32-pt modules 2
adapter/remote I/O scanner, DH+ link
PLC-5/11 8K 1 resident 4
(1 I/O rack)
rack must be
addressed as rack
3
• 256 (8-pt), 384 (16-pt), or 512 (16-pt) 1
• 512(16-pt) or 768 (32-pt) 2
• 1 channel (remote I/O scanner, adapter, DH+ link)
• 1 RS-232, RS-422, RS-423 serial port
1 Any mix of I/O
2 Maximum I/O possible using 16-pt modules with 2-slot addressing or 32-pt modules with 1-slot addressing. Modules must alternate input/output in the chassis slots.
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