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.

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

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

• 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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