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Capacity Control Using Discharge Pressure Control Setpoints
Start
Has
Decrease at Start
(Expired 15 sec.)
No
Wait
12
Operational Flow Charts
Are Motor
Amps >
Motor Amps Load
Yes
Limit ON Setpt?
(Time Delay
10 sec)
Yes
Disable Cap Inc
Are Motor
Amps >
Motor Amp Load Limit
OFF Setpt?
Yes
Dec Cap
(Timer)
Is Disch Press > Cap
No
Dec ON Setpt?
No
Is Disch Press < Cap
Inc ON Setpt
No
No
No
Change)
VSG/VSSG • Compact Logix PLC Manual •Vilter/Emerson • 35391CL
Dec Cap
Yes
(Timer)
Inc Cap
Yes
(Timer)
No
change
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