Reference Manual
BLR-CM/BLR-CM3phase
Rev. 08
2018-09
25
2.5.7.1
Alarm events
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:
Fast Control: immediate switching-off (only available for fast steps and Harmonic U alarm)
In the drawing stated below is showed how the enabled alarm shown on display
M:
M-relay
DO:
DO relay
D:
Display
CP:
target cos 2
O:
control off
F:
control freeze
