Siemens SIMOCODE pro System Manual page 230

Motor control
Schematic
* Abbreviations
FC
FO
Fig. 4-22: Schematic of the "Solenoid valve" control function, "Protection/Control" function block
4-52
Control commands
OFF
ON >
Auxiliary control inputs*
FB ON
FC
FO
Feedback CLOSED
Feedback OPEN
Contactor controls
Protection/Control
QE1
OPEN
Solenoid valve
Non-maintained
command mode
Separate failsafe
Displays
function from
control function
QLA
Execution time
(CLOSE)
QLE>
(OPEN)
QLS
(Fault)
Status
OFF
ON >
FC
Extended control
FO
GWA 4NEB 631 6050-22 DS 03
SIMOCODE pro