Siemens SITRANS LUT400 Operating Instructions Manual page 77

Number of Pumps
Select the number of pumps to be used with pump control.
Options
If set to NONE, pump control is disabled.
Options
If set to NONE, pump control is disabled.
Relay Pump 1
Selects the relay assigned to Pump 1.
Options
Relay Pump 2 View only.
Automatically sets the relay assigned to Pump 2 based on relay selected for Pump 1 in
previous step.
Options
(View Only)
Pump Control Mode
Sets the control algorithm used to trip the relay.
Options sup-
ported per
model
See Pump Control Mode (Page 185) 2.7.1.4. for descriptions of each.
Service Ratio Pump 1
Selects pump usage based on the RUN time ratio rather than last used.
Value
SITRANS LUT400
Operating Instructions, 07/2019, A5E33329501-AC
NONE, 2
Default: NONE
NONE, 2
Default: NONE
RELAY 2, RELAY 3
Default: RELAY 2
If Relay Pump 1 = RELAY 2, then Relay Pump 2 = RELAY 3
If Relay Pump 1 = RELAY 3, then Relay Pump 2 = RELAY 2
LUT420 Level Controller:
ALTERNATE DUTY ASSIST, ALTERNATE DUTY BACKUP
LUT430 Pump and Flow Controller:
ALTERNATE DUTY ASSIST, ALTERNATE DUTY BACKUP, SERVICE RATIO
DUTY ASSIST, SERVICE RATIO DUTY BACKUP, FIXED DUTY ASSIST, FIXED
DUTY BACKUP
LUT440 High Accuracy OCM:
ALTERNATE DUTY ASSIST, ALTERNATE DUTY BACKUP, SERVICE RATIO
DUTY ASSIST, SERVICE RATIO DUTY BACKUP, FIXED DUTY ASSIST, FIXED
DUTY BACKUP
Default (all models): ALTERNATE DUTY ASSIST
Range: 0 to 255
Default: 1
Commissioning
6.3 Quick Start Wizards
75