Need help?Do you have a question about the Allen-Bradley 1756-RM and is the answer not in the manual?
General| Type | Redundancy Module |
|---|---|
| Series | ControlLogix |
| Compatibility | ControlLogix |
| Operating Temperature | 0 to 60 °C |
| Storage Temperature | -40 to 85 °C |
| Relative Humidity | 5 to 95% (non-condensing) |
| Shock | 30 g |
| Vibration | 5 g |
| Module Location | Any slot in the ControlLogix chassis |
| Compatible Chassis | 1756 chassis |
| Certifications | CE, UL, cUL |
Details the features of the ControlLogix Enhanced Redundancy System, including module speeds and network options.
Describes the essential hardware components required for each chassis in a redundant pair.
Explains how redundancy modules determine primary/secondary chassis and monitor events for switchovers.
Lists limitations and restrictions for using enhanced redundancy systems, including module and task constraints.
Details available components for use in a redundant chassis pair, categorized by product type.
Explains requirements for selecting and configuring redundant chassis, including matching module types and sizes.
Discusses requirements for ControlNet and EtherNet/IP communication modules in redundant systems.
Covers the use of EtherNet/IP networks, including features and requirements based on system revision.
Details acceptable locations for placing I/O modules in an enhanced redundancy system.
Provides considerations for connecting HMIs to redundant systems via EtherNet/IP or ControlNet networks.
Tasks to complete before installing the enhanced redundancy system, including verifying components and safety.
Details the process for obtaining and installing the required software for system configuration.
Provides steps for installing the first chassis and its components, including module placement and partnering.
Explains how to connect redundancy modules in both chassis using a fiber-optic communication cable.
Guides on using ControlFLASH software to upgrade the firmware of modules in each chassis.
Details the process of powering up and verifying chassis designations as primary or secondary.
Discusses RPI requirements for I/O connections in redundancy-enabled controllers based on revision.
Explains the use of IP address swapping for EtherNet/IP modules during a switchover.
Covers the use of CIP Sync technology for synchronizing clocks in enhanced redundancy systems.
Provides procedures for configuring EtherNet/IP modules in redundant chassis, including IP address planning.
Explains how to use produce/consume connections over a ControlNet network for system-shared tags.
Discusses the impact of Network Update Time (NUT) on system performance and switchover response.
Details when to use scheduled versus unscheduled ControlNet networks for redundancy systems.
Introduces the RMCT for configuring redundancy modules and determining system status.
Guides on accessing and using the RMCT for module configuration and status checks.
Provides an overview of redundancy module identification and status information.
Explains how to set redundancy options and configure the module's internal clock.
Details commands for changing synchronization states, initiating switchovers, and viewing logs.
Describes how to view and interpret event history for system events and diagnostics.
Steps to configure controllers for redundant operation using RSLogix 5000 software.
Explains crossloads, synchronization, and their impact on switchovers and program execution.
Provides methods to make programs more efficient and minimize scan times for faster switchovers.
Discusses instructions and techniques that can cause data loss or corruption in redundant controllers.
Explains adjustments to System Overhead Time Slice and task types to optimize synchronization and HMI updates.
Details the procedure for downloading the project to the primary controller and crossloading to the secondary.
Covers editing the redundant controller program while the system is online and running.
Describes key tasks for monitoring and maintaining the enhanced redundancy system.
Explains how to check and verify redundancy module date and time settings for accurate event logging.
Guides on checking system status to verify qualification and synchronization.
Provides steps to verify that the redundant system switches over as expected.
Lists tasks to perform to determine the cause of errors or events in the redundancy system.
Explains how to check module status indicators to identify the source of errors or events.
Details how to view redundancy status and controller errors using RSLogix 5000 software.
Guides on checking Synchronization and Synchronization Status tabs in RMCT for anomalies.
Describes how to automatically export all available event log data from both redundancy modules.
Explains the diagnostic status indicators for redundancy modules.
Details the current state of the redundancy module as indicated by the OK status.
Explains the module states indicated by the CH1 and CH2 status indicators.
Procedure for upgrading a standard redundancy system to an enhanced redundancy system.
Steps for upgrading system components, including software, controllers, and communication modules.
Procedure for upgrading Ethernet modules when rotary switches are set between 2-254.
Describes how to upgrade an enhanced redundancy system revision while the process continues to run.
Steps to update the I/O configuration tree in RSLogix 5000 software for conversion.
Procedure to find and replace local I/O tags when moving modules to a remote I/O chassis.
Checklist for configuring redundant chassis, including module and slot requirements.
Checklist for ensuring correct placement and compatibility of redundancy modules.
Checklist for configuring ControlLogix controllers in a redundant system.
Summarizes changes made in each revision of the manual, including updated information and features.
To Next Page
