Other Controls; Relays Controlled By Time - Siemens SITRANS L 7ML5400 Operating Instructions Manual

General Operation

7.8 Other controls

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 218)
Activation Time (2.11.2.2.)
(Page 218)
Relay Duration (2.11.2.3.)
(Page 218)
Assigned Relay (2.11.2.4.)
(Page 218)
Relay Logic (2.11.2.5.)
(Page 219)
Set Elapsed Time Relay
Parameter
Enable (2.11.1.1.) (Page 217)
Interval (2.11.1.2.) (Page 217)
Relay Duration (2.11.1.3.)
(Page 217)
Assigned Relay (2.11.1.4.)
(Page 217)
Relay Logic (2.11.1.5.)
(Page 217)
118
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
Operating Instructions, 04/2021, A5E33329501-AG
SITRANS LUT400