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Allen-Bradley ControlNet PLC-5 User Manual

Allen-Bradley ControlNet PLC-5
149 pages
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ControlNet PLC-5
Programmable
Controllers
Catalog Numbers 1785-L20C15,
-L40C15, -L46C15, -L80C15
User Manual
AB Drives

Table of Contents

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Allen-Bradley ControlNet PLC-5 Specifications

General IconGeneral
ManufacturerAllen-Bradley
Network TypeControlNet
Programming SoftwareRSLogix 5
Product TypePLC
Communication PortsControlNet, DH+
Programming LanguagesLadder Logic
Operating Temperature0°C to 60°C (32°F to 140°F)
Relative Humidity5% to 95% (non-condensing)
Processor TypePLC-5 Processor
Power Supply24V DC

Summary

ControlNet PLC-5 Programmable Controllers

Catalog Numbers

Lists catalog numbers for PLC-5 ControlNet processors.

Important User Information

Safety Annotations (WARNING, ATTENTION, IMPORTANT)

Explains safety annotations for identifying hazards and precautions.

Environment and Enclosure

Equipment Use Conditions

Specifies environmental conditions and altitude limits for equipment use.

Rockwell Automation Support

Contacting Support

Provides contact information for technical assistance.

Summary of Changes

New Information Highlights

Outlines new information and its location in the manual.

Preface

Introduction to the Manual

Describes the manual's purpose and scope for ControlNet PLC-5 controllers.

Intended Audience and Prerequisites

Defines the target audience and required background knowledge.

Terminology

Key ControlNet Terms

Lists and defines essential ControlNet technical terms.

Related Publications

Related PLC-5 Publications

Lists related publications for PLC-5 controllers.

Related ControlNet Publications

Lists related publications for ControlNet systems.

Chapter 1 Installing Your ControlNet PLC-5 Processor

Pre-Installation Checks

Details checks before installing the processor, including package contents.

Prevent Electrostatic Discharge (ESD)

ESD Handling Precautions

Provides essential precautions to prevent electrostatic discharge damage.

Identifying Processor Components

PLC-5/20C Processor Front Panel

Illustrates front panel components of the PLC-5/20C processor.

Before You Install the Programmable Controller

Package Contents Verification

Lists items included in the processor package for verification.

Install or Replace the Battery

Lithium Battery Safety and Handling

Details safety requirements and handling precautions for lithium batteries.

I/O Chassis Backplane Switch Settings

Addressing and EEPROM Transfer Switches

Explains settings for addressing and EEPROM transfer switches.

I/O Chassis Configuration Plug

Installing Keying Bands

Guides on inserting keying bands to prevent module damage during installation.

DH+ Station Address Configuration

Setting Channel 1A DH+ Configuration Switches

Details switch settings for DH+ station address and configuration.

Channel 0 Serial Interface Configuration

Channel 2 ControlNet Network Address Selection

Explains selecting the ControlNet network address using rotary switches.

Processor Installation and Removal

Installing a Remote I/O Link

Details the procedure for installing a remote I/O link.

Installing a DH+ Link

DH+ Link Cable Length Guidelines

Provides guidelines for DH+ link cable lengths.

Connecting to a ControlNet Network

ControlNet Tap Requirements

Emphasizes the need to purchase ControlNet taps from Rockwell Automation.

Connecting a Programming Terminal

DH+ Connection for Programming

Explains connecting a PC to the processor for programming via DH+.

Serial Channel for Programming

Serial Cable Configuration

Details serial cable usage for programming via Channel 0.

ControlNet Network Connection Types

Programming Terminal Connection via NAP

Recommends using the 1786-CP cable for NAP connections.

Selecting Appropriate Cables

Serial Cable Pin Assignments

Lists pin assignments for serial port configurations.

Serial Port Configuration Options

Serial Interface Guidelines

Provides guidelines for RS-422A compatibility and distance restrictions.

ControlNet Cable System Components

Wiring Installation Compliance

Emphasizes installing wiring according to electrical codes.

Chapter 2 Planning to Use Your ControlNet PLC-5 Processor

Understanding ControlNet I/O

Explains the design principles of the ControlNet system for I/O transmission.

Scheduled Data-Transfer Operations

Requested Packet Interval (RPI) Role

Explains the role of RPI in establishing data transfer rates.

Scheduled Data Transfer Process Flow

Scheduled Input Data Transfer Flow

Details the flow of scheduled input data transfer.

Unscheduled Data-Transfer Operations

Supported Scheduled Data-Transfer Operations

Lists supported scheduled data-transfer operations.

Unscheduled Messaging Characteristics

Network Time Reservation for Transfers

Highlights network time reservation for unscheduled transfers.

Unscheduled Data-Transfer Operations Table

CIO Instruction Transfer Considerations

Warns about potential program scan extension with CIO instructions.

Using I/O Forcing Operations

Peer-to-Peer Messaging (MSG Instructions)

Explains using MSG instructions for peer-to-peer messages.

Immediate Data-Transfer Operations

ControlNet Data Transfer Flow Diagram

Illustrates the flow of ControlNet data transfer.

Immediate Data-Transfer Operations Table

Process Control Sample Complete (PCSC)

Explains PCSC for scheduled connection types.

PCSC Enablement and Data Handling

Input Data Mapping for PCSC

States that input data must be mapped to DIF for PCSC.

PCSC Data Clearing and Considerations

PCSC Usage Considerations with Analog I/O

Provides considerations for using PCSC with analog I/O and PID.

Understanding Scheduled Connection Types

Allowable Scheduled Connection Combinations

Details allowable combinations of scheduled connection types for I/O adapters.

Multiple Processors Controlling I/O

Exclusive Owner Connection Rules

Lists rules for connections when an exclusive owner is present.

Multicast Inputs and Outputs

Understanding Multicast Inputs

Explains how input devices send data to multiple processors.

Understanding Multicast Outputs

Explains how PLC-5 sends output data to multiple targets.

Using Multicast Outputs

Impact of Multicast Outputs on I/O Status File

Describes effects on I/O status file bits.

ControlNet I/O Mapping Concepts

Reserving Non-ControlNet I/O Space

Explains reserving I/O image space for non-ControlNet devices.

Processor-Resident Local I/O Space

Details how processor-resident I/O reserves image space.

Remote I/O Configuration and Space Reservation

Non-ControlNet Remote I/O Space Reservation

Describes image space reservation for non-ControlNet Remote I/O.

Supported ControlNet I/O Sizes

Maximum I/O Map Entries Table

Shows maximum I/O map entries allowed per processor.

Discrete I/O Data-Transfer Mapping

Mapping Discrete I/O for Forcing

Emphasizes mapping discrete I/O to I/O image for forcing.

Module-Specific I/O Mapping

1771 Modules Mapping

Details ControlNet mapping for 1771 modules.

1747 Modules Mapping

Details ControlNet mapping for 1747 modules.

1794 Modules Mapping

Details ControlNet mapping for 1794 Flex modules.

Other ControlNet Processor Communications

Peer-to-Peer Communications Mapping

Shows mapping for peer-to-peer communications.

I/O Mapping Techniques Overview

Discusses techniques for efficient I/O mapping.

Understanding Discrete Mapping

Node Address to I/O Image Mapping

Explains how node addresses map to I/O image tables.

Optimizing I/O Image Table Usage

Optimization Method 1: Without Slot Complementary

Describes optimizing I/O image table without slot complementary.

Optimization Method 2: With Slot Complementary

Describes optimizing I/O image table with slot complementary.

Optimizing Without Slot Complementary Examples

Example 1: Basic Optimization

Provides an example of basic I/O image table optimization.

Module Optimization Rules

First Rule: Placement of Input/Output Modules

Guides on placing input/output modules for optimization.

Second Rule of Module Optimization

Example 4: I/O Image Space Preservation

Illustrates I/O image space preservation with ControlNet optimization.

Optimizing With Slot Complementary

Module Placement and Chassis Size Considerations

Discusses module placement and chassis size for slot complementary.

Slot Complementary Examples

Example 1: Mapping Slots Efficiently

Shows efficient slot mapping with slot complementary.

I/O Image Table Optimization Summary

Optimization Method Tradeoffs

Summarizes tradeoffs between optimization methods.

Using ControlNet PLC-5 in I/O Systems

ControlNet Device Compatibility List

Lists various ControlNet devices compatible with PLC-5.

Distributed Keeper Functionality

Keeper Device Types and Network Rules

Clarifies keeper device types and rules for combining them.

Converting from Non-ControlNet Remote I/O to ControlNet I/O

Program File Compatibility for Conversion

Details program file compatibility for conversion to ControlNet.

Converting ControlNet Phase 1.0/1.25 to Phase 1.5

Phase Incompatibility Warning

Warns about incompatibility between different ControlNet phases.

Chapter 3 Understanding the ControlNet System Software

Software Packages for Configuration and Programming

Outlines software used for configuring and programming ControlNet.

I/O Configuration Utility

Remote I/O vs. ControlNet I/O Configuration

Explains differences in I/O configuration between remote I/O and ControlNet.

Software Project Uploading and Downloading

Verifying Configuration Match

Guides on verifying that downloaded configuration matches network information.

Downloading Software Projects

Download from RSLogix 5 Only Method

Details downloading projects solely from RSLogix 5.

Verification Activities with RSNetWorx

Merge-Save Functionality in RSNetWorx

Explains the merge-save functionality in RSNetWorx.

Chapter 4 Programming Your ControlNet System

Using ControlNet Message Instructions

Explains using MSG instructions for sending messages.

MG Data Type Fields

Multihop Messaging with MSG Instruction

Explains using MSG for multihop messaging via ControlBus.

MSG Instruction Options and Compatibility

ControlNet I/O Transfer Instruction Usage

Details using the ControlNet I/O Transfer (CIO) instruction.

ControlNet I/O Transfer Instruction Parameters

Configuring Command Type and Data Table Address

Lists options for changing command type and data table address.

CT Data Type Fields

Sending Continuous Messages

Explains using continuous mode message instructions.

1771 ControlNet Transfers in PIIs and STIs

Immediate Data Input/Output Instructions (IDI/IDO)

Introduces IDI and IDO instructions for immediate data transfer.

Immediate Data Input (IDI) Instruction Details

IDI Data Flow Explanation

Illustrates IDI data copying from DIF buffer to data table.

Immediate Data Output (IDO) Instruction Details

IDO Data Flow Explanation

Illustrates IDO data copying from data table to DOF buffer.

Selectable Timed Interrupts (STIs) on ControlNet

Recovering from Major Faults 200 and 201

Guides on recovering from major faults 200 and 201.

Chapter 5 Monitoring and Troubleshooting Your ControlNet System

General Status Indicators Overview

Explains the general status indicators on the processor.

Processor Status Indicators (PROC, FORCE, COMM)

PROC Indicator Status

Details the meaning of the PROC indicator states.

FORCE Indicator Status

Details the meaning of the FORCE indicator states.

COMM Indicator Status

Details the meaning of the COMM indicator states.

ControlNet Status Indicators

I/O Indicator Status

Explains the status of the I/O indicator.

Network Status Indicators (A and B)

Explains the status of network indicators A and B.

DH+/RIO Status Indicators

DH+/RIO Indicator Details Table

Table detailing DH+/RIO status indicators, causes, and actions.

Monitoring ControlNet Configuration and Status

Software Tools for Monitoring

Lists software tools for monitoring ControlNet configuration and status.

Appendix A Processor Specifications

Environmental and Electrical Specifications

Details environmental and electrical specifications like temperature, humidity, and immunity.

Processor Hardware and Configuration Details

Hardware Addressing and Communication Options

Covers hardware addressing modes and communication options.

Keying and Certification Information

Details keying band positions and product certifications.

Processor Performance Specifications

Memory, I/O, and Scan Time Specifications

Lists specifications for memory, I/O capacity, and scan time.

ControlNet and Remote I/O/DH+ Specifications

Details ControlNet and Remote I/O/DH+ specifications.

Hazardous Location Operating Information

Explosion Hazard Precautions

Provides critical warnings and precautions for hazardous locations.

Appendix B Processor Status File

Status File S:0 - S:2 Overview

Details processor status data in S:0-S:2.

Processor Status File S:3-10 Details

S:3-S:6 Node Table Information

Describes active node table information for channel 1A.

S:7 Global Status Bits

Explains global status bits for racks.

S:8-S:9 Program Scan Times

Details last and maximum program scan times.

S:10 Minor Faults

Lists minor faults and battery status.

Processor Status File S:11 Major Faults

S:11 Major Fault Word Descriptions

Details major fault codes and their meanings.

Processor Status File S:12 Fault Codes

User-Defined Fault Codes Explanation

Explains user-defined fault codes and their recovery.

Processor Status File Fault Code Breakdown

Recoverable Fault Code Examples

Provides examples of recoverable fault codes and actions.

Processor Status File Fault Code Breakdown (Continued)

Non-Recoverable Fault Code Examples

Provides examples of non-recoverable fault codes and actions.

Processor Status File Fault Codes (200-208)

Recoverable Fault Code Descriptions

Lists recoverable faults and corrective actions.

Processor Status File Fault Codes (205-230)

Recoverable Fault Code Descriptions (Continued)

Lists recoverable faults and corrective actions.

Processor Status File Fault Codes (230-239)

Recoverable Fault Code Descriptions (Continued)

Lists recoverable faults and corrective actions.

Processor Status File Fault Codes (231-239)

Recoverable Fault Code Descriptions (Continued)

Lists recoverable faults and corrective actions.

Processor Status File S:13-S:24 Details

S:17 Minor Faults and Queue Status

Details minor faults and queue status.

Processor Status File S:26-S:35 Details

S:26 User Control Bits

Explains user control bits in S:26.

S:27 Rack Control Bits

Details rack control bits for racks 0-7.

S:28-S:31 Control Logic Setpoints

Explains setpoints for program watchdog, fault routine, and STI.

S:32 Global Status Bits

Details global status bits and rack fault bits.

Processor Status File S:33-S:35 Details

S:33 Rack Control Bits (Racks 10-17)

Details rack control bits for racks 10-17.

S:34 Global Status Bits (Racks 20-27)

Details global status bits for racks 20-27.

S:35 Rack Control Bits (Racks 20-27)

Details rack control bits for racks 20-27.

Processor Status File S:36-S:78 Details

S:68 Memory Card Type and Status

Explains how to determine memory card type and status.

Processor Status File S:79-S127 Details

S:79 MCP Inhibit Bits

Details MCP inhibit bits.

S:80-S:127 MCP Status Words

Explains MCP file number and scan time status words.

Appendix C ControlNet Instruction Set

ControlNet I/O Transfer Instruction (CIO)

Describes the ControlNet I/O Transfer (CIO) instruction.

Message Instructions on ControlNet

Describes MSG instructions for ControlNet networks.

Immediate Data I/O Instructions

IDI Instruction Details

Provides details for the Immediate Data Input (IDI) instruction.

IDO Instruction Details

Provides details for the Immediate Data Output (IDO) instruction.

Appendix D ControlNet I/O Map-Entry Status Words and Error Codes

I/O Map-Entry Status Words Overview

Explains the status words in the ControlNet I/O status file.

First Word Bit Explanations

Details the bits within the first word of the I/O status file.

First Word ControlNet I/O Status File Bit Explanations

Bit Number, Description, and Use Table

Table explaining bits in the first word of the ControlNet I/O status file.

Second and Third ControlNet I/O Status Words

Status Word Explanations by Connection Type

Explains status words based on ControlNet I/O connection type.

ControlNet Error Codes and Corrective Actions

Error Code Table (Decimal, Hex, Message, Cause, Action)

Lists ControlNet error codes, causes, and corrective actions.

Appendix E Fault Codes

Fault Routine Execution and Handling

Explains how fault routines handle major faults.

Clearing Processor Faults

Guides on clearing faults before continuing process execution.

Major Fault Code Descriptions (200-204)

Lists ControlNet-specific major fault codes and corrective actions.

Major Fault Code Descriptions (205-239)

Recoverable Fault Code Actions

Lists recoverable faults and their corrective actions.

Appendix F ControlNet Diagnostics File Layout

Diagnostic File Field Names and Offsets

Details the layout of the ControlNet diagnostic file.

Diagnostic File Field Names and Offsets (Continued)

Diagnostic File Word 23 Bit Explanations

Explains bits in word 23 of the diagnostic file.

Diagnostic File Word 23 Bit Details

Channel Status and Media Bits Explanations

Details channel status and media bits in the diagnostic file.

Index

Numerics Index Entries

Index entries for numerical catalog numbers.

Alphabetical Index Entries (A-C)

Index entries starting with A, B, and C.

I/O Overview and Operations

ControlNet I/O Mapping and Operations

Covers ControlNet I/O mapping and operations.

ControlNet I/O Transfer (CIO) Instructions

Explains ControlNet I/O Transfer (CIO) instructions.

Immediate Data I/O Instructions

Explains immediate data I/O instructions.

ControlNet Network and Configuration

Details ControlNet network and configuration.

Programming and Publications

Guides on programming and lists relevant publications.

ControlNet System Configuration and Management

ControlNet System Configuration Steps

Details steps for configuring the ControlNet system.

Discrete I/O Data Transfer Mapping

Explains discrete I/O data transfer mapping.

Distributed Keeper Functionality

Describes distributed keeper functionality.

Software Download Procedures

Guides on downloading software projects.

Troubleshooting Error Codes

Information on error codes.

I/O Mapping and Instruction Details

ControlNet I/O Mapping Techniques

Explains I/O mapping techniques.

ControlNet I/O Transfer (CIO) Instructions

Explains ControlNet I/O Transfer (CIO) instructions.

Immediate Data I/O Instructions

Explains immediate data I/O instructions.

ControlNet Network and PLC-5 Configuration

Details ControlNet network and PLC-5 configuration.

Processor and Cable Selection Guide

Processor Keying and Location

Details processor keying and component location.

Ladder Messaging and Multicast Features

Covers ladder messaging and multicast features.

Network Access Port (NAP) and Node Definition

Defines NAP and node parameters.

Non-Discrete I/O Data Transfer

Explains non-discrete I/O data transfer.

Processor and Cable Selection Guide (Continued)

PCMCIA Communication Card and PCSC Settings

Covers PCMCIA card and PCSC settings.

Verification Activities and Software

Details verification activities and software usage.

Scan List Configuration and Entry

Defines scan list configuration and entry.

Scheduled Connection Types and Data Transfer

Explains scheduled connection types and data transfer.

Segment and Terminator Definition

Defines segment and terminator.

Selecting Specific Interfaces and Interrupts

Selectable Timed Interrupts (STIs) Usage

Explains using STIs with ControlNet programs.

DH+ Station Address and I/O Chassis Settings

Covers DH+ station address and I/O chassis settings.

Serial Interface Specification

Details specifying the serial interface.

Status File and Indicator Information

Provides information on status files and indicators.

Troubleshooting ControlNet System

Guides on troubleshooting the ControlNet system.

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