Allen-Bradley 1715-AENTR Bulletin 1715 Redundant I/O Module

1715-AENTR

1715-AENTR Ethernet Adapter Module is produced by Allen-Bradley for the 1715 Redundant I/O systems. This module support Device Level Ring (DLR) or Start Topologies through its dual Ethernet Communication port with autosensing capability. It serves as “proxy” module to all Ethernet I/P messages that goes in and out of the redundant I/O modules.
This redundant I/O family is especially designed for the ControlLogix family of Programmable Automation Controllers (PAC). Implementing Redundant I/O system, as well as redundant communication network increases process uptime and reduces the risk of unwanted system downtime.
When this module is used in simplex mode, a redundant ethernet network is achieved, however. Failure of the single adapter module disrupts the entire communication network. If used in duplex mode, failure of one of the Two (2) module will not affect the communication network. With this, system availability is increased.
Use of the 1715 module family as well as the 1715-AENTR is ideal in modern and more critical system. This system does not require cross cabling of I/Os as the switching of active I/O module is done through the intelligent sensing and detection of the 1715 backplane. Though the ControlLogix family already supports implementation of native Redundant controller and communication systems, it is not capable of implementing redundant I/O. This is why the 1715 system is developed by Allen-Bradley.
The 1715-AENTR is placed on the leftmost part of the 1715 rack.






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