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robh

MicroLogix 1400 PID

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I have done some searching with no success. Is there a max number of PID instructions that a MicroLogix 1400 can use?

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Controller memory. And the amount of hardware (outputs) would the limiting factors.

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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

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