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5.17 Protection operating mode 1
Bit
Range
Value
Meaning
0
0,1
0 = Alarm
1 = OFF
Ground alarm
1
0,1
0 = Trip
1 = OFF
Ground trip
2~3
0~2
0 = Alarm
1 = Trip
2 = OFF
Current imbalance
4~5
0~2
0 = Alarm
1 = Trip
2 = OFF
Phase A demand
protection
6~7
0~2
0 = Alarm
1 = Trip
2 = OFF
Phase B demand
protection
8~9
0~2
0 = Alarm
1 = Trip
2 = OFF
Phase C demand
protection
10~11
0~2
0 = Alarm
1 = Trip
2 = OFF
N-phase demand
protection
12~13
0~2
0 = Alarm
1 = Trip
2 = OFF
Under voltage
protection
14~15
Reserved
Reserved
5.18 Protection operating mode 2
Bit
Range
Value
Meaning
0~1
0~2
0 = Alarm
1 = Trip
2 = OFF
Over voltage
protection
2~3
0~2
0 = Alarm
1 = Trip
2 = OFF
Current imbalance
protection
4~5
0~2
0 = Alarm
1 = Trip
2 = OFF
Under frequency
protection
6~7
0~2
0 = Alarm
1 = Trip
2 = OFF
Over frequency
protection
8~9
0~2
0 = Alarm
1 = Trip
2 = OFF
Reverse power
protection
10~11
0~2
0 = Alarm
1 = Trip
2 = OFF
Phase sequence
protection
12
0~2
0 = Ignore
1 = OFF
Communication link
dead
13~15
Reserved
Reserved
6. Error response
The controller responds to possible communication situations and
is used as an auxiliary function for communication link error diag-
nosis. The communication error code is explained as follows:
02: Variable address error;
03: Variable value error;
04: Such operation authorization is not available at this point.
Instruction Leafl et
Effective September 2022
IZM6 Series Air Circuit Breaker
Operating Instruction Leafl et