Set Relays To Fixed Duty Assist (Fda); Set Relays To Fixed Duty Backup (Fdb) - Siemens SITRANS L 7ML5400 Operating Instructions Manual

Set the OFF Setpoints
Parameter
OFF Setpoint Pump
1 (2.7.1.7.)
(Page 190)
OFF Setpoint Pump
2 (2.7.1.9.)
(Page 191)
7.7.3.2

Set Relays to FIXED DUTY ASSIST (FDA)

Parameter
Pump Control
Mode (2.7.1.5.)
(Page 189)
Set the ON Setpoints
Parameter
ON Setpoint Pump 1
(2.7.1.6.) (Page 190)
ON Setpoint Pump 2
(2.7.1.8.) (Page 190)
Set the OFF Setpoints
Parameter
OFF Setpoint Pump 1
(2.7.1.7.) (Page 190)
OFF Setpoint Pump 2
(2.7.1.9.) (Page 191)
7.7.3.3

Set Relays to FIXED DUTY BACKUP (FDB)

Parameter
Pump Control
Mode (2.7.1.5.)
(Page 189)
SITRANS LUT400
Operating Instructions, 04/2021, A5E33329501-AG
Sample Description
Value
0.4 m** Sets the level at which pump 1 turns off. The first cycle will use
this setpoint. Subsequent cycles rotate the setpoint among the
pumps.
0.3 m** Sets the level at which pump 2 turns off.
Value Description
Sets the control algorithm used to trip the pump relay to FIXED DUTY
FDA
ASSIST. Only one pump can run at a time.
Sample Value
1.3 m
1.2 m
Sample Value
0.4 m
0.3 m
Value Description
Sets the control algorithm used to trip the pump relay to FIXED
FDB
DUTY BACKUP. Only one pump can run at a time.
Description
Sets the level at which pump 1 turns on.
Sets the level at which pump 2 turns on.
Description
Sets the level at which pump 1 turns off.
Sets the level at which pump 2 turns off.
General Operation
7.7 Pump Control
107