Emerson VSG Operation Manual page 9

Oil Cooler Fan Control
(Selectable Control Optional)
Unit Start
No
Oil Temperature Control Valve
Unit Start
VSG/VSSG • Compact Logix PLC Manual •Vilter/Emerson • 35391CL
Operational Flow Charts
Oil Cooler
outlet temp >
set pt?
No
Oil Cooler
outlet temp <
set pt?
Oil injection
temp > set pt?
No No
Oil injection
temp < set pt?
30 sec
delay
Increase Speed
Yes
Decrease Speed
Yes
Modulate valve
Yes
Modulate valve
Yes
PID Control
PID Control
30 sec
delay
9