Posted 28 Oct 2014 I have done some searching with no success. Is there a max number of PID instructions that a MicroLogix 1400 can use? Share this post Link to post Share on other sites
Posted 28 Oct 2014 Controller memory. And the amount of hardware (outputs) would the limiting factors. Share this post Link to post Share on other sites
Posted 28 Oct 2014 That was my assumption. I was asked if a 1766-L32AWA with 1 1769-IF8 and 1 1769-OF8C could run 3 PID loops. The person asking was under the impression that you could only use 1 PID instruction in a processor. Thanks Share this post Link to post Share on other sites