Emerson VSG Operation Manual page 8

Suction Pressure Control
Is
Suction Press >
Suct Press Cap Inc
Setpt?
No
No
Is
Suction Press <
Suct Press Cap
Dec Setpt?
Suction Pressure Safety
Suction Press <
Suct Press Alarm
No
No
Suction Press <
Suct Press Trip
8
Operational Flow Charts
Capacity Inc
No
Is Cap Inc ON Timer
Yes
Timed Out?
No
Capacity Dec
Is Cap Dec. ON Timer
Yes
Timed Out?
Is
Yes
Setpt?
Is
Yes
Setpt?
WAIT
No
Is Cap Inc OFF Timer
Yes
Timed Out?
Is Cap Dec. OFF Timer
Yes
Timed Out?
Lo Suction Press
Alarm
Lo Suction Press
Failure
VSG/VSSG • Compact Logix PLC Manual •Vilter/Emerson • 35391CL
No
Reset Cap Inc Timers
Yes
Reset Cap Dec Timers
Yes