Allen-Bradley ControlNet PLC-5 User manual

ControlNet PLC-5

Programmable

Controllers

Catalog Numbers 1785-L20C15,

-L40C15, -L46C15, -L80C15

User Manual

AB Drives

Important User Information

Because of the variety of uses for the products described in this

publication, those responsible for the application and use of these

products 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. In no event will Allen-Bradley be responsible or

liable for indirect or consequential damage resulting from the use or

application of these products.

Any illustrations, charts, sample programs, and layout examples

shown in this publication 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.

Allen-Bradley publication SGI-1.1, Safety Guidelines for the

Application, Installation and Maintenance of Solid-State Control

(available from your local Allen-Bradley office), describes some

important differences between solid-state equipment and

electromechanical devices that 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 part, without written permission of Rockwell Automation, is

prohibited.

Throughout this publication, notes may be used to make you aware of

safety considerations. The following annotations and their

accompanying statements help you to identify a potential hazard,

avoid a potential hazard, and recognize the consequences of a

potential hazard:

WARNING

Identifies information about practices or

circumstances that can cause an explosion in a

hazardous environment, which may lead to personal

injury or death, property damage, or economic loss.

ATTENTION

Identifies information about practices or

circumstances that can lead to personal injury or

death, property damage, or economic loss.

IMPORTANT Identifies information that is critical for successful

application and understanding of the product.

Ethernet is a registered trademark of Intel Corporation, Xerox Corporation, and Digital Equipment Corporation.

ControlNet is a trademark of ControlNet International.

Allen-Bradley, PLC, PLC-2, PLC-3 and PLC-5 are registered trademarks of Rockwell Automation, Inc.

Data Highway Plus, DH+, RSLinx, RSLogix, RSNetWorx, RSNetworx for ControlNet, FLEX I/O , PLC-5/11, -5/20,

-5/20C, -5/26, -5/30, -5/40, -5/46, -5/40L, -5/40C, -5/60, -5/60L, -5/80, -5/80C, -5/86, -5/20E, -5/40E, and -5/80E are

trademarks of Rockwell Automation, Inc.

ATTENTION

Environment and Enclosure

This equipment is intended for use in a Pollution

Degree 2 industrial environment, in overvoltage

Category II applications (as defined in IEC

publication 60664-1), at altitudes up to 2000 meters

without derating.

This equipment is considered Group 1, Class A

industrial equipment according to IEC/CISPR

Publication 11. Without appropriate precautions,

there may be potential difficulties ensuring

electromagnetic compatibility in other

environments due to conducted as well as radiated

disturbance.

This equipment is supplied as "open type"

equipment. It must be mounted within an enclosure

that is suitably designed for those specific

environmental conditions that will be present and

appropriately designed to prevent personal injury

resulting from accessibility to live parts. The

interior of the enclosure must be accessible only by

the use of a tool. Subsequent sections of this

publication may contain additional information

regarding specific enclosure type ratings that are

required to comply with certain product safety

certifications.

See NEMA Standards publication 250 and IEC

publication 60529, as applicable, for explanations

of the degrees of protection provided by different

types of enclosure. Also, see the appropriate

sections in this publication, as well as the

Allen-Bradley publication 1770-4.1 ("Industrial

Automation Wiring and Grounding Guidelines"),

for additional installation requirements pertaining to

this equipment.

AB Drives

Rockwell Automation

Support

Before you contact Rockwell Automation for technical assistance, we

suggest you please review the troubleshooting information contained

in this publication first.

If the problem persists, call your local Rockwell Automation

representative or contact Rockwell Automation in one of the following

ways:

Your Questions or Comments on this Manual

If you find a problem with this manual, please notify us of it on the

enclosed How Are We Doing form.

Phone United

States/Canada 1.440.646.5800

Outside United

States/Canada You can access the phone number for your

country via the Internet:

1. Go to http://www.ab.com

2. Click on

Product Support

(http://support.automation.rockwell.com)

3. Under

Support Centers

, click on

Contact

Information

Internet ⇒1. Go to http://www.ab.com

2. Click on

Product Support

(http://support.automation.rockwell.com)

1785-UM022B-EN-P - February 2002

Summary of Changes

The information below summarizes the changes to the ControlNet

PLC-5 Programmable Controllers User Manual.

To help you find new and updated information, look for the revision

bars as shown to the left of this paragraph.

New Information The following table highlights new information and where its located

in this manual. The following paragraphs describe software

requirements product enhancements.

Software and Hardweare

Requirements Use the following table to understand specific features that are only

available with specific versions and releases of software and PLC-5

processors:

For This New Information See

Requested Packet Interval details Chapter 2

ControlNet Unscheduled Data-Transfer Operations

Scheduled Connection Types

Multicast Inputs

Distributed Keeper Functionality

Understanding ControlNet System Software Chapter 3

Using the ControlNet I/O Transfer Instruction Chapter 4

CIP Generic and Generic Bi-directional CIO Command Types

Using Selectable Timed Interrupts

Recovering from Major Fault 200

Using the General Status Indicators Chapter 5

Relay Cartridge Capability Appendix A

Processor Status File - Memory Card ID Word 68 Appendix B

Hot Backup Major Fault Codes

ControlNetI/O Map Entry StatusWords Appendix D

Error Messages

Hot Backup Major Fault Codes Appendix E

If you want this feature: You need both of these

versions of software: Andthis PLC-5Processor

(ControlNet Series F,

Revision A or later)

RSLogix5 RSNetWorx:

Standard functionality 2.2 or later 1.8 or later all

Hot Backup (1771 and Flex I/O) 3.21 or later 1.8 or later PLC-5/40 or -5/80

Multicast Outputs 3.21 or later 3.0 or later PLC-5/20, -5/40 or -5/80

SLC I/O (also with Hot Backup) 5.0 or later 3.0 or later PLC-5/40 or -5/80

AB Drives

1785-UM022B-EN-P - February 2002

soc-ii

Notes

Table of Contents

1785-UM022B-EN-P - February 2002

Installing Your ControlNet

PLC-5 Processor Chapter 1

Using This Chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Prevent Electrostatic Discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Identifying ControlNet PLC-5 Processor Components . . . . . . . . . . . . . 1-3

Before You Install the Programmable Controller. . . . . . . . . . . . . . . . . 1-5

Install or Remove the Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

Setting the I/O Chassis Backplane Switches. . . . . . . . . . . . . . . . . . . . 1-9

Setting the I/O Chassis Configuration Plug . . . . . . . . . . . . . . . . . . . . 1-10

Installing Keying Bands for the Processor. . . . . . . . . . . . . . . . . . . . . 1-10

Selecting the DH+ Station Address of Channel 1A . . . . . . . . . . . . . . 1-11

Specifying the Serial Interface of Channel 0. . . . . . . . . . . . . . . . . . . 1-12

Selecting the ControlNet Network Address of Channel 2 . . . . . . . . . 1-12

Inserting/Removing the Processor into/from the I/O Chassis. . . . . . . 1-13

Installing a Remote I/O Link. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13

Installing a DH+ Link. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15

Connecting to a ControlNet Network . . . . . . . . . . . . . . . . . . . . . . . . 1-17

Connecting a Programming Terminal. . . . . . . . . . . . . . . . . . . . . . . . 1-19

DH+ Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19

Serial Channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20

ControlNet Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-21

Selecting Appropriate Cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-22

Serial Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-22

DH+ Programming Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-23

Remote I/O Cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-23

ControlNet Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-23

Planning to Use Your ControlNet

PLC-5 Processor Chapter 2

Using This Chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Understanding ControlNet I/O. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Scheduled Data-Transfer Operations on a ControlNet Network. . . . 2-2

Unscheduled Data-Transfer Operations on a ControlNet Network. . 2-4

Using I/O Forcing Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

Using Immediate Data-Transfer Operations . . . . . . . . . . . . . . . . . . 2-8

Using Process Control Sample Complete . . . . . . . . . . . . . . . . . . . . 2-9

Clearing the PCSC New Data and PCSC Overflow Bits. . . . . . . . 2-11

Considerations When Using PCSC. . . . . . . . . . . . . . . . . . . . . . . 2-11

Understanding Scheduled Connection Types . . . . . . . . . . . . . . . . . . 2-11

Allowable Scheduled Connection Type Combinations. . . . . . . . . . 2-12

Multiple Processors Can Control I/O . . . . . . . . . . . . . . . . . . . . . 2-13

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ii Table of Contents – ControlNet PLC-5 Programmable Controllers

1785-UM022B-EN-P - February 2002

Understanding Multicast Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14

Understanding Multicast Outputs . . . . . . . . . . . . . . . . . . . . . . . . . 2-14

Using Multicast Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15

Understanding ControlNet I/O Mapping . . . . . . . . . . . . . . . . . . . . . . 2-16

Reserving Space for Non-ControlNet I/O. . . . . . . . . . . . . . . . . . . . 2-16

Processor-Resident Local I/O . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16

Remote I/O. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17

Supported ControlNet I/O Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18

Discrete I/O Data Transfer Mapping . . . . . . . . . . . . . . . . . . . . . 2-19

Non-Discrete I/O Data Transfer Mapping . . . . . . . . . . . . . . . . . 2-19

1771 Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20

1747 Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20

1794 Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20

Other ControlNet Processors . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21

Using I/O Mapping Techniques. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21

Understanding Discrete Mapping . . . . . . . . . . . . . . . . . . . . . . . . . 2-22

Optimizing the I/O Image Table . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23

Optimizing the I/O Image Table without Slot Complementary . . 2-23

Optimizing the I/O Image Table with Slot Complementary. . . . . 2-27

Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-29

Using the ControlNet PLC-5 Processor in a ControlNet I/O System . . 2-31

Distributed Keeper Functionality. . . . . . . . . . . . . . . . . . . . . . . . . . 2-33

Converting from a Non-ControlNet Remote I/O System

to a ControlNet I/O System . . . . . . . . . . . . . . . . . . . . . . . . . 2-34

Converting from ControlNet Phase 1.0 or 1.25

to ControlNet Phase 1.5 . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-35

Understanding the ControlNet

System Software Chapter 3

Configuring and Programming Your ControlNet System . . . . . . . . . . . 3-1

Using ControlNet Message Instructions . . . . . . . . . . . . . . . . . . . . . . . 3-1

I/O Configuration Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Uploading and Downloading Software Projects. . . . . . . . . . . . . . . . 3-3

Using RSNetWorx to Perform Verification Activities. . . . . . . . . . . . . 3-4

For More Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

Table of Contents – ControlNet PLC-5 Programmable Controllers iii

1785-UM022B-EN-P - February 2002

Programming Your

ControlNet System Chapter 4

Using This Chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Using ControlNet Message Instructions . . . . . . . . . . . . . . . . . . . . . . . 4-1

Multihop Messaging Via the MSG Instruction . . . . . . . . . . . . . . . . . 4-2

Option to Close Communication Connection when MSG is Done. . . 4-3

Understanding the ControlNet PLC-2 Compatibility File . . . . . . . . . 4-3

Using the ControlNet I/O Transfer Instruction . . . . . . . . . . . . . . . . . . . 4-3

Sending Continuous Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5

1771 ControlNet Transfers in PIIs and STIs. . . . . . . . . . . . . . . . . . . 4-5

Using ControlNet Immediate Data Input and Output Instructions. . . . . 4-6

Using Selectable Timed Interrupts with a Program

on a ControlNet Network. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9

Recovering from Major Fault 200 and 201. . . . . . . . . . . . . . . . . . . . . 4-9

Monitoring and Troubleshooting

Your ControlNet System Chapter 5

Using This Chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

Using the General Status Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

Using the ControlNet Status Indicators. . . . . . . . . . . . . . . . . . . . . . . . 5-3

Using the DH+/RIO Status Indicators . . . . . . . . . . . . . . . . . . . . . . . . . 5-5

Monitoring ControlNet Configuration and Status. . . . . . . . . . . . . . . . . 5-6

Processor Specifications Appendix A

Processor Status File Appendix B

S:0 - S:2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1

S:3-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2

S:11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-3

S:12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-4

S:13-S:24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-11

S:26-S:35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-12

S:36-S:78 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-13

S:79-S127. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-15

ControlNet Instruction Set Appendix C

ControlNet I/O Transfer Instruction . . . . . . . . . . . . . . . . . . . . . . . . C-1

Message Instructions on a ControlNet Network . . . . . . . . . . . . . . . C-1

Immediate Data I/O Instructions . . . . . . . . . . . . . . . . . . . . . . . . . C-2

Instruction Timing and Memory Requirements. . . . . . . . . . . . . . . . . . C-2

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iv Table of Contents – ControlNet PLC-5 Programmable Controllers

1785-UM022B-EN-P - February 2002

ControlNet I/O Map-Entry

Status Words and

Error Messages

Appendix D

I/O Map-Entry Status Words. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .D-1

Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .D-4

Fault Codes Appendix E

Clearing Faults. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-1

Additional Major Fault Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-2

ControlNet Diagnostics

File Layout Appendix F

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