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Allen-Bradley 1756-L61 User Manual

Allen-Bradley 1756-L61
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Rockwell Automation Publication 1756-UM001M-EN-P - February 2012 135
I/O Modules Chapter 8
Add Remote I/O to the I/O Configuration
If you are adding remote I/O, add the I/O modules to the backplane of the
remote communication module that is connected to the controller. To add a
remote I/O to the I/O Configuration folder in RSLogix 5000 software, complete
these steps.
1. Add a communication module to the backplane that contains the
controller.
2. Specify the communication module properties according to your network
configuration.
For more information about the communication module and network
properties, see the user manual for the network you are using:
– ControlNet Modules in Logix5000 Control Systems User Manual,
publication CNET-UM001
– DeviceNet Modules in Logix5000 Control Systems User Manual,
publication DNET-UM004
– EtherNet/IP Modules in Logix5000 Control Systems User Manual,
publication ENET-UM001
3. Right-click the communication network and choose New Module.

Table of Contents

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Allen-Bradley 1756-L61 Specifications

General IconGeneral
BrandAllen-Bradley
Model1756-L61
CategoryController
LanguageEnglish

Summary

Important User Information

Safety Symbols and Warnings

Explains safety symbols (WARNING, ATTENTION, etc.) and their meanings.

Summary of Changes

New and Updated Information

Details topics revised or added in the current manual revision.

Preface

ControlLogix Controllers Overview

Provides an overview of controller types: Traditional, Extreme Environment, and Safety GuardLogix.

Traditional ControlLogix Controllers

Describes the two lines of traditional ControlLogix controllers: 1756-L6x and 1756-L7x.

Redundant ControlLogix Controllers

Notes that certain controllers support use in redundant systems.

Extreme Environment ControlLogix Controllers

Details extreme environment controllers and their temperature ratings.

Required Software

Identifies minimum software versions required for controller use.

Additional Resources

Lists resources for further information on ControlLogix controllers and systems.

Chapter 1 Install the 1756-L7x Controller

Environment and Enclosure

Details environmental considerations and enclosure requirements for the controller.

Prevent Electrostatic Discharge

Provides guidelines to prevent damage from electrostatic discharge.

European Hazardous Location Approval

Information for use in Zone 2 potentially explosive atmospheres as defined by EU Directive.

USB Port

Warns against using the USB port in hazardous locations and specifies cable length.

North American Hazardous Location Approval

Provides information for operating the equipment in hazardous locations.

1756-L7x Controller Parts

Details parts included with and available for the 1756-L7x controller.

Parts Available for Use with the 1756-L7x Controller

Lists parts that can be used with the 1756-L7x controller based on application needs.

Insert the Controller into the Chassis

Provides step-by-step instructions for inserting the controller into the chassis.

Remove the SD Card

Details the procedure for safely removing the Secure Digital (SD) card.

Install the SD Card

Provides step-by-step instructions for installing the Secure Digital (SD) card.

Uninstall the ESM

Explains the procedure and precautions for removing the Energy Storage Module (ESM).

Install the ESM

Details the procedure for installing the Energy Storage Module (ESM).

Chapter 2 Install the 1756-L6x Controller

Precautions

Lists general precautions to consider before installing or removing controllers.

Environment and Enclosure

Discusses environmental conditions and enclosure requirements for the controller.

Preventing Electrostatic Discharge

Provides guidelines to prevent damage from electrostatic discharge.

European Hazardous Location Approval

Information for use in Zone 2 potentially explosive atmospheres as defined by EU Directive.

USB Port

Warns against using the USB port in hazardous locations and specifies cable length.

North American Hazardous Location Approval

Provides information for operating the equipment in hazardous locations.

Lithium Batteries

Warns about electrical arcs during battery connection/disconnection.

1756-L6x Controller Parts

Details parts included with the 1756-L6x controller.

Parts Not Included with the 1756-L6x Controller

Lists parts specific to application that are not included with the controller.

1756-L6x Controller Installation

Outlines the tasks required to install the 1756-L6x controller.

Remove a CompactFlash Card from a Series A Controller

Details the procedure for removing a CompactFlash card from a Series A controller.

Install a CompactFlash Card in a Series B Controller

Details the procedure for installing a CompactFlash card in a Series B controller.

Remove a CompactFlash Card from a Series B Controller

Details the procedure for removing a CompactFlash card from a Series B controller.

Battery Connection and Replacement

Provides information on battery replacement and handling.

Battery Connection and Replacement

Presents a schedule for replacing batteries based on temperature.

Install the Battery on a Series A Controller

Provides instructions for installing a 1756-BA1 battery on a Series A controller.

Install the Battery on a Series B Controller

Provides instructions for installing a 1756-BA2 battery on a Series B controller.

Insert the Controller into the Chassis

Provides step-by-step instructions for inserting the controller into the chassis.

Remove the Controller from the Chassis

Details the procedure for removing the controller from the chassis.

Chapter 3 Start Using the Controller

Make Connections

Explains the necessity of making a connection to the controller before use.

1756-L7x Connection Options

Outlines the connection options available for the 1756-L7x controller.

1756-L6x Connection Options

Outlines the connection options available for the 1756-L6x controller.

Connect to the 1756-L7x Controller

Explains how to connect to the 1756-L7x controller using a USB port.

Set Up the USB Driver

Details the procedure to set up the USB driver for RSLinx software.

Connect to the 1756-L6x Controller

Explains how to connect to the 1756-L6x controller using a serial port.

Configure the Serial Driver

Guides on configuring the RS232 DF1 device driver in RSLinx software.

Upgrade Controller Firmware

Introduces tools for upgrading controller firmware: ControlFLASH and AutoFlash.

Determine Required Controller Firmware

Provides a table to determine the required firmware revision for controllers.

Use ControlFLASH Utility to Upgrade Firmware

Outlines steps to upgrade controller firmware using the ControlFLASH utility.

Use AutoFlash to Upgrade Firmware

Details steps to upgrade controller firmware using the AutoFlash feature.

Set the Communication Path

Explains how to specify the communication path in RSLogix 5000 software.

Go Online with the Controller

Describes methods to establish an online connection with the controller.

Download to the Controller

Explains how to move a project from RSLogix 5000 software to the controller.

Upload from the Controller

Describes how to copy a project from the controller to RSLogix 5000 software.

Choose the Controller Operation Mode

Uses a table as reference for determining controller operation modes.

Use the Mode Switch to Change the Operation Mode

Explains how to use the physical mode switch to change controller operation mode.

Use RSLogix 5000 Software to Change the Operation Mode

Describes changing controller operation mode via RSLogix 5000 software.

Load or Store to the Memory Card

Explains loading or storing user memory contents to the compatible memory card.

Use ControlLogix Energy Storage Modules (ESMs)

Details using ESMs to provide power to controllers for saving programs.

Save the Program to On-board NVS Memory

Provides steps to save the program to NVS memory when controller loses power.

Estimate the ESM Support of the WallClockTime

Provides a table to estimate ESM hold-up time based on temperature.

Maintain the Battery (1756-L6x controllers only)

Explains how to monitor and maintain lithium batteries supported by controllers.

Check the Battery Status

Describes low-battery warnings indicated by BAT status.

1756-BATM Battery Module and Battery Life

Details using the 1756-BATM module with 1756-L6x Series A controllers.

Estimate 1756-BA2 Battery Life

Provides a table to estimate 1756-BA2 battery life before becoming low.

Estimate 1756-BA2 Battery Life after Warnings

Estimates battery life after low-battery warnings are indicated.

Battery Storage and Disposal

Provides general rules for storing and disposing of batteries.

Chapter 4 ControlLogix System and Controllers

The ControlLogix System

Describes the chassis-based system and its capabilities.

Configuration Options

Outlines various system configuration options available for ControlLogix controllers.

Multiple Devices Connected via Multiple Networks

Explains connecting various devices via multiple communication networks.

Design a ControlLogix System

Discusses system components to consider when designing a ControlLogix system.

ControlLogix Controller Features

Lists system, communication, and programming features of ControlLogix controllers.

Memory Options

Helps determine controller needs based on user memory availability.

Chapter 5 Communication Networks

Networks Available

Lists typical network applications and supported networks for ControlLogix systems.

EtherNet/IP Network Communication

Provides an overview of EtherNet/IP network services and components.

ControlLogix EtherNet/IP Communication Modules

Lists EtherNet/IP modules and their primary features for ControlLogix systems.

Double Data Rate (DDR) Backplane Communication

Explains how DDR communication can be achieved with specific communication modules.

ControlLogix ControlNet Module Features

Lists features of ControlLogix ControlNet communication modules.

Software for ControlNet Networks

Lists software used with ControlNet networks and modules.

Connections Over a ControlNet Network

Explains how to determine connection numbers for ControlNet networks.

DeviceNet Network Communication

Describes DeviceNet network capabilities and technology.

ControlLogix DeviceNet Module Features

Lists features of ControlLogix DeviceNet communication modules.

ControlLogix DeviceNet Bridge Module and Linking Devices

Lists DeviceNet bridge modules and linking devices.

Connections Over DeviceNet Networks

Details connection requirements for the 1756-DNB DeviceNet module.

ControlLogix DeviceNet Module Memory

Describes memory sections for input/output data of DeviceNet devices.

Data Highway Plus (DH+) Network Communication

Provides information about DH+ network communication.

Universal Remote I/O (RIO) Communication

Lists module options for universal remote I/O communication.

Foundation Fieldbus Communication

Describes Foundation Fieldbus for process control instrumentation.

HART Communication

Describes HART communication protocol for process control.

Chapter 6 Serial Communication (1756-L6x controllers only)

1756-L6x Controller Serial Port

Describes the built-in RS-232 port on 1756-L6x controllers for serial applications.

Communication with Serial Devices

Guides on specifying serial port mode and protocol for communication.

DF1 Point to Point Protocol

Explains the DF1 Point to Point protocol for connecting to a single DF1 device.

DF1 Radio Modem Protocol

Details the driver for communicating over DF1 radio modem protocol.

DF1 Radio Modem Advantages

Highlights the advantages of using the DF1 radio modem protocol for efficiency.

DF1 Radio Modem Limitations

Lists considerations for implementing the DF1 radio modem driver.

DF1 Radio Modem Protocol Parameters

Provides a table for setting DF1 Radio Modem protocol parameters.

DF1 Slave Protocol

Explains the DF1 Slave protocol using half-duplex communication.

DH-485 Protocol

Describes sending and receiving messages over a DH-485 network.

Configure the 1756-L6x Controller for Serial Communication

Guides on configuring the 1756-L6x controller's serial port for communication.

ASCII Protocol

Explains using ASCII protocol for reading/sending characters from devices.

Broadcast Messages Over a Serial Port

Details broadcasting messages to slave controllers via serial port.

Configure Controller Serial Port Properties

Outlines steps to configure serial port properties in System Protocol.

Program the Message Instruction

Explains how to add and configure the Message instruction for communication.

Chapter 7 Manage Controller Communication (connections)

Connection Overview

Explains how Logix5000 systems establish communication links between devices.

Produce and Consume (interlock) Data

Describes how ControlLogix controllers produce and consume system-shared tags.

Send and Receive Messages

Explains using MSG instruction to transfer data to other devices.

Determine Whether to Cache Message Connections

Guides on choosing whether to cache connections for MSG instructions.

Calculate Connection Use

Provides a table to calculate the number of local connections based on chassis configuration.

Chapter 8 I/O Modules

Selecting ControlLogix I/O Modules

Advises on selecting I/O modules, considering variety and features.

Local I/O Modules

Lists available ControlLogix chassis and their slot counts for local I/O.

Remote I/O Modules

Defines remote I/O and networks used to connect it to the controller.

Distributed I/O

Describes distributed I/O located remote from controller, not specific to it.

Reconfigure an I/O Module

Details reconfiguring an I/O module via Module Properties or a MSG instruction.

Add to the I/O Configuration While Online

Explains adding I/O and devices to configuration while online in Run mode.

Modules and Devices that Can be Added While Online

Lists ControlLogix modules and devices that can be added while online.

Determine When Data is Updated

Provides a flowchart to determine when producers send data.

Chapter 9 Develop Motion Applications

Motion Control Options

Notes controller support for digital and analog interfaces for motion.

Motion Overview

Outlines general steps for configuring a motion application.

Obtain Axis Information

Lists methods to obtain axis information, such as using GSV/SSV instructions.

Program Motion Control

Describes motion control instructions provided for axes.

Chapter 10 Develop Applications

Elements of a Control Application

Lists elements of a control application requiring planning for execution.

Tasks

Explains using multiple tasks to schedule and prioritize program execution.

Task Priority

Describes task priority levels and how the operating system uses them.

Programs

Explains how programs group data and logic, with routines for executable code.

Scheduled and Unscheduled Programs

Differentiates scheduled programs from unscheduled ones within tasks.

Routines

Defines routines as sets of logic instructions in a single programming language.

Tags

Explains using tags (alphanumeric names) to address data variables.

Programming Languages

Lists the programming languages supported by the ControlLogix controller.

Add-On Instructions

Describes designing and configuring sets of commonly used instructions.

Monitoring Controller Status

Explains using GSV and SSV instructions to get and set controller data.

Monitoring I/O Connections

Describes how communication timeouts are detected and indicated.

System Overhead Time Slice

Explains how system overhead time slice specifies controller's time for service communication.

Chapter 11 Using the PhaseManager Tool

PhaseManager Overview

Introduces PhaseManager tool for adding equipment phases to controller for code organization.

Minimum System Requirements

Lists the minimum software and hardware requirements for developing PhaseManager programs.

State Model Overview

Explains how a state model defines equipment behavior and state transitions.

Equipment Phase Instructions

Lists equipment-phase relay ladder and structured text instructions.

Chapter 12 Redundant Systems

ControlLogix Redundancy Overview

Explains how redundancy provides system availability by switching control to secondary chassis.

Enhanced versus Standard Redundancy

Compares features of enhanced and standard redundancy systems.

Build a Redundant System

Provides a procedure for building a typical redundant system.

ControlNet Considerations in Redundant Systems

Discusses considerations for ControlNet modules in redundant systems.

EtherNet/IP Considerations in Redundant Systems

Discusses considerations for EtherNet/IP modules in redundant systems.

IP Address Swapping

Explains support for IP address swapping in redundant systems for HMI communication.

Redundancy and Scan Time

Explains how redundancy affects scan time due to data synchronization.

Chapter 13 SIL 2 Certification

Introduction to SIL

Identifies ControlLogix catalog numbers certified for SIL2 applications per IEC standards.

Programming and Debugging Tool (PADT)

States that RSLogix 5000 software is the required PADT for SIL2 applications.

Typical SIL2 Configurations

Lists SIL2 configurations: fail-safe, high-availability, and fault-tolerant.

Fail-safe Configuration

Describes fail-safe configuration where safety loop hardware is not redundant.

High-availability Configuration

Details high-availability configuration using redundant chassis for increased availability.

Appendix A Status Indicators

1756-L7x Controller Status Display and Indicators

Describes the four status indicators and scrolling display on 1756-L7x controllers.

1756-L7x Controller Status Display

Explains the scrolling status display messages for controller information.

General Status Messages

Lists general status messages indicated on the controller.

Fault Messages

Lists fault messages indicated on the status display when the controller is faulted.

Major Recoverable Fault Messages

Details major recoverable fault types, codes, and associated messages.

I/O Fault Codes

Explains the format and diagnosis of I/O faults.

1756-L7x Controller Status Indicators

Describes the RUN, FORCE, SD, and OK indicators for 1756-L7x controllers.

1756-L6x Status Indicators

Details the status indicators located on the front of 1756-L6x controllers.

RUN Indicator

Explains the meaning of the RUN indicator states.

FORCE Indicator

Indicates whether I/O forces are active or enabled on the controller.

SD Indicator

Shows the status of the Secure Digital (SD) card.

OK Indicator

Describes the OK indicator states and their meanings.

Appendix B Using Electronic Keying

Electronic Keying

Explains electronic keying feature for comparing modules before communication.

Exact Match

Details Exact Match keying requiring precise attribute matching for communication.

Compatible Keying

Explains Compatible Keying where module determines communication acceptance.

Disabled Keying

Explains Disabled Keying where keying attributes are not considered.

Appendix C History of Changes

Changes to This Manual

Summarizes changes made in each revision of the manual for reference.

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