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rock0

FB ramp program

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Have anyone prepared FB with PID for ramp programming? I have CJ1G-CPU42H PLC example this ramp: ramp.xls Edited by rock0

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I dont know but that seem to me something you should do with APR instruction.

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Hi; I have a fb that does PID it also implements a set point ramp function. What you are trying to do is reffered to as Ramp Soak control. It can be done but will require code external to the function block to change the setpoint and provide the new ramp times. Jim

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