PL7 PID Problem

marwan_13

Member
M
Join Date
Sep 2006
Location
Amman-Jordan
Posts
28
Dear All,

I am facing a problem in programming PID in PL7. The output of PID is changing only when Process Value is Changed. which means the KP gain is only affecting output and TI and DI.

The Syntax of PID

PID('PRESSURE','BAR',%MW30,%MW40,%M9,%MW200:43)

and M9=1 (Auto)
M200=680 (SP)
M202=1 (KP)
M203=1 (DI)
M204=1 (TI)

help me please

Marwan
 

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