User manual

24 - URDR0001 - User manual
Press Display Do
4
SET
Set the virtual zero
value. Display shows
ui rt . NB: For selection
of
u.0in. the procedure
in point 4 should be
followed on each re-
activation.
To exit procedure press
SET
.
Max
Min Zero
7.11 LoopBreakAlarmOnCurrentTrasformer
This function allows to measure load current and to manage an alarm during
malfunctioning (with power in short circuit or always o).
The current transformer connected to terminals 15 and 16 must be 50 mA (sam-
pling time 80 ms).
• SetendscalevalueofthecurrenttransformerinAmperesonparameter47 t.a.
• SettheinterventionthresholdoftheLoopBreakAlarminAmperesonparame-
ter 48
L.b.a.t.
• Set the intervention delay time of the Loop Break Alarm on parameter 49
L.b.a.d.
• Itispossibletoassociatethealarmwitharelaybysettingtheparameter
AL. 1 and AL. 2 as L.b.a.
If a remote control switch or SSR remains closed, controller signals the fault by
showing
L.b.a.c. on display 2 (alternatively with a command setpoint).