Tracking Pump Usage; Other Controls; Relays Controlled By Time - Siemens SITRANS LUT400 Operating Instructions Manual

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
Total running hours for a relay assigned to a
pump.
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
Enable (2.11.2.1.) (Page 214)
Activation Time (2.11.2.2.)
(Page 214)
Relay Duration (2.11.2.3.)
(Page 214)
Assigned Relay (2.11.2.4.)
(Page 214)
Relay Logic (2.11.2.5.)
(Page 215)
Set Elapsed Time Relay
Parameter
Enable (2.11.1.1.) (Page 213)
Interval (2.11.1.2.) (Page 213)
Relay Duration (2.11.1.3.)
(Page 213)
Assigned Relay (2.11.1.4.)
(Page 213)
Relay Logic (2.11.1.5.)
(Page 213)
SITRANS LUT400
Operating Instructions, 07/2019, A5E33329501-AC
Parameter Access
Run Time Relay 2 (3.2.7.1.) (Page 243)
Run Time Relay 3 (3.2.7.2.) (Page 244)
Value Description
Enabled Enables Time of Day Relay
17:30 Activates the relay at 5:30 pm
60 Activates the relay for 60 seconds
Relay 1 Sets relay 1 to be controlled by time of day
Normally Use (if necessary) to change the behaviour of the
Closed relay assigned to the time of day control.
Default: Normally Open
Value Description
Enabled Enables elapsed time relay
24 Activates the relay every 24 hours
60 Activates the relay for 60 seconds
Relay 1 Sets relay 1 to be controlled by elapsed time
Normally Use (if necessary) to change the behaviour of the
Closed relay assigned to the elapsed time control.
Default: Normally Open
General Operation
7.8 Other controls
117