Point IO

1734-RN014 FI

1734-OE4C Analog Output Module Not Holding Last State

I recently became aware of an issue with the 1734-OE4C not holding late state. If you use this module in an installation in which holding last state is important, you'll want to read the following.As I described in Monday's blog,...

Can multiple Logix PLC's control the same Ethernet I/O?

A client recently asked me if multiple CompactLogix (or ControlLogix) processors could control the same Ethernet I/O.Since RSLogix5000 has supported Ethernet I/O, its been possible to setup two processors to control, or "own," the same remote rack of Ethernet I/O....
Large Rack Of Point I/O

Large Point I/O rack communication issue

I was recently called into a “consumer goods” plant to look at a communication problem with Point I/O. The night before I was told all the Point I/O, which had been successfully tested overseas, was no longer working. However, when I arrived on-site the problem was...

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