Rockwell Automation 1746-BTM Barrel Temperature Control Module User Manual - Manual (Page 77)

Publication 1746-UM010B-EN-P - April 2001
Sample Program 9-9
General Notes for
Programming the 1746-BTM This section outlines general programming information concerning the
1746-BTM module.
Figure 9.4 Correct way to shut down loop
An autotune invoke is an edge triggered event. That is the module
only looks to see a 0 to 1 transition of bit O:1.12/1. Once the autotune
in progress bit I:1.8/11 is on you can turn off the autotune invoke bit
O:1.12/1.
Figure 9.5 Correct way to turn off Autotune invoke bit