Failed to flash 1734-OE4C step featured image

How to avoid "bricking" Point I/O modules when you attempt to flash firmware

I was recently contacted about some very experienced controls engineers who had ran into a strange issue. They had come across a firmware problem with one of Rockwell's 1734...
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...

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...
Point IO in Panel

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,...

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