
Technical Documentation
Rev. 01
Power Factor Regulator
BLR-Q(U)
Page 27 of 39
2.4.25.1 Alarmevents
M relay:
volt free alarm output with C/O contacts. The relay is normally active and gives signal when it drops.
Max fuse 6A, breaking capacity 250V AC / 5A
DO relay:
digital output with N/O contact. The contact can be set to N/O or N/C function. Max fuse 6A,
breaking capacity 250V AC / 5A
Display:
Shows Alarm in Display:
Control freeze:
All steps are frozen, control is stopped
Control off:
All steps are switched off, control is stopped
Cos phi 2:
Switch to a second target cos
ϕ
.
M:
M-relay
DO:
DO relay
D:
Display
CP:
target cos 2
O:
control off
F:
control freeze
ϕ