Allen-Bradley 1756-L61 User Manual

Rockwell Automation Publication 1756-UM001M-EN-P - February 2012 187
Redundant Systems Chapter 12
Enhanced versus Standard Redundancy
While the enhanced and standard redundancy systems operate in a similar
manner, there are some key differences between the two platforms. This table
compares the enhanced and standard redundancy system features.
Table 51 - Comparison of Enhanced Redundancy to Standard Redundancy
Feature Enhanced
System
(1)
(1) Availability of some features supported in enhanced redundancy are dependent on the system revision used. For more information,
see ControlLogix Enhanced Redundancy System User Manual, publication 1756-UM535.
Standard
System
Supports enhanced ControlLogix ControlNet and EtherNet/IP communication
modules, for example, the 1756-CN2/B or 1756-EN2T modules

Supports standard ControlLogix ControlNet and EtherNet/IP communication
modules, for example, the 1756-CNB/D or 1756-ENBT modules

Compatible with the single-slot 1756-RM redundancy modules

Compatible with the double-slot 1757-SRM redundancy modules

Support for all 1756-L6x and 1756-L7x ControlLogixcontrollers

Use of ControlLogix- system components, for example, the 1756-L63XT controller
and the 1756-CN2XT module

Availability of I/O over an EtherNet/IP network, including Redundant I/O systems


Allen-Bradley 1756-L61 Specifications

General

Brand	Allen-Bradley
Model	1756-L61
Category	Controller
Language	English