Davo Posted November 15, 2007 Report Posted November 15, 2007 Hello again. We have a 224xp with a profibus module. The program seemed to be running well, with a PID loop to govern drive output. While troubleshooting the logic for alternating the drives, the PID just seems to have stopped working. This is my first time messing with a PID, and the shop guru is in the field today. Is there some common error I should be looking for? Is there an online primer anyone recommends? I haven't been trained on this yet.
Davo Posted November 19, 2007 Author Report Posted November 19, 2007 Apparently the issue was some logic prior to the PID Loop in the same network. O.o
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