Siemens SITRANS LUT400 - Relay Logic (2.8.11.)

SITRANS LUT400
206 Operating Instructions, 07/2019, A5E33329501-AC
Low Flowrate Value OFF (2.8.10.3.)
Sets the flowrate value (defined in Flowrate Units (2.15.3.7.) (Page 233)) at which the Low
Flowrate Alarm will de-activate.
Values
Range: 0.000 to 99999.000
Default: 0.000
Assigned Relay (2.8.10.4.)
Determines which relay (if any) will be activated when the Low Flowrate Alarm activates.
Options
*
NO RELAY
RELAY 1
RELAY 2
RELAY 3
Alarm State (2.8.10.5.)
Read only. Used to view the current state of the Low Flowrate Alarm.
Options
ACTIVE
INACTIVE
9.2.8.11 Relay Logic (2.8.11.)
Relay contact operation is NORMALLY CLOSED for alarms and NORMALLY OPEN for
controls.
By default an alarm contact is Normally Closed. When an alarm activates, the corresponding
relay coil is de-energized. By setting this parameter to
Normally Open, the relay coil will be
energized when an alarm assigned to the relay activates.
Relay 1 Logic (2.8.11.1.)
Use to change the behaviour of Relay 1 when assigned to an alarm.
Options
NORMALLY OPEN
*
NORMALLY CLOSED
Relay 2 Logic (2.8.11.2.)
Use to change the behaviour of Relay 2 when assigned to an alarm.
Options
NORMALLY OPEN
*
NORMALLY CLOSED