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1756-CN2, 1756-CN2R
Overview
1756-CN2R shown
ControlLogix ControlNet communication modules bridge ControlNet links to
route messages to devices on other networks. The modules also monitor and
control I/O modules located remotely from the ControlLogix controller.
The 1756-CN2 and 1756-CN2R modules are supported in the following
software:
• RSLogix 5000 software version 15.01
The module can be used as a replacement for the 1756-CNB(R) when
you select compatible keying for RSLogix 5000 software version 10 and
later.
• RSNetWorx software version 6.
You must install EDS files for earlier versions of RSNetWorx software.
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This module provides:
• high-speed I/O bridge functionality to manage distributed I/O
modules.
• transfer of scheduled data via produced/consumed tags.
• unscheduled MSG instruction communication with other
ControlNet nodes.
• messaging data for configuration and programming information,
operator interfaces, upload/download.
This module supports:
• adapter functionality for remote ControlLogix I/O modules.
• local communication network access through the network access port
(NAP).
• redundant media (1756-CN2R only).
About the Logix5000 ControlNet Communication Modules
Publication CNET-UM001C-EN-P - November 2005
1-3
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