Daily Archives: January 26, 2021


Determining ControlLogix Firmware Revisions

Introduction to Determining ControlLogix Firmware Revisions There are several ways to go about Determining ControlLogix Firmware Revisions. One method is to use the Web Page served by the ENBT or EN2T. Another method is to go to the properties of the module in the RSWho Screen. Likewise, you can get Read More »

ENBT Web page

ControlLogix Sequencer Output (SQO)

Introduction to the ControlLogix Sequencer Output (SQO) Basically, we use the ControlLogix Sequencer Output (SQO) instruction as a “Drum Switch”. That is to say, we have a file of bit patterns. Each time we trigger the sequencer output instruction, the next bit pattern will be dumped to the output. In Read More »

SQO Table