Siemens SITRANS LUT400 - Tracking Pump Usage; Other Controls; Relays Controlled by Time

General Operation
7.8 Other controls
SITRANS LUT400
Operating Instructions, 07/2019, A5E33329501-AC
117
7.7.6.6 Tracking pump usage
You can find out how much an individual pump has been used by viewing the pump record
parameters.
Information Available
Parameter Access
Total running hours for a relay assigned to a
pump.
Run Time Relay 2 (3.2.7.1.) (Page 243)
Run Time Relay 3 (3.2.7.2.) (Page 244)
7.8 Other controls
7.8.1 Relays controlled by time
A relay can be controlled by time setpoints using Time of Day or Elapsed Time.
Set Time of Day Relay
Parameter
Value
Description
Enable (2.11.2.1.) (Page 214)
Enabled
Enables Time of Day Relay
Activation Time (2.11.2.2.)
(Page 214)
17:30 Activates the relay at 5:30 pm
Relay Duration (2.11.2.3.)
(Page 214)
60 Activates the relay for 60 seconds
Assigned Relay (2.11.2.4.)
(Page 214)
Relay 1 Sets relay 1 to be controlled by time of day
Relay Logic (2.11.2.5.)
(Page 215)
Normally
Closed
Use (if necessary) to change the behaviour of the
relay assigned to the time of day control.
Default: Normally Open
Set Elapsed Time Relay
Parameter
Value
Description
Enable (2.11.1.1.) (Page 213)
Enabled
Enables elapsed time relay
Interval (2.11.1.2.) (Page 213)
24
Activates the relay every 24 hours
Relay Duration (2.11.1.3.)
(Page 213)
60 Activates the relay for 60 seconds
Assigned Relay (2.11.1.4.)
(Page 213)
Relay 1 Sets relay 1 to be controlled by elapsed time
Relay Logic (2.11.1.5.)
(Page 213)
Normally
Closed
Use (if necessary) to change the behaviour of the
relay assigned to the elapsed time control.
Default: Normally Open