Not used
Not used
Not used
Not used
Not used
Not used
Not used
Ground-
current
acquisition
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
Format
16-bit unsigned integer
Range
0 to 1
0 = Ground-current sensor is used (for isolated/resonant-ground systems)
1 = Ground-current sensor is not used (for isolated/resonant-ground systems)
Unit
–
Default
0
DO Configuration
(Address 51) This register defines the DO configuration.
Bit
15
14
13
12
11
10
9
8
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
Bit
7
6
5
4
3
2
1
0
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
Format
16-bit unsigned integer
Unit
–
Range
0 to 1
0 = Fault-direction indication
1 = Device-health indication
Default
0 = Fault-direction indication
Reserved for future use
(Address 52)
Reserved for future use
(Address 53)
CrossBlockTimer
(Address 54) This register defines the time threshold for blocking of fault indication by inrush-current detec-
tion. It is expressed in milliseconds.
Bit
15
14
13
12
11
10
9
8
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
Bit
7
6
5
4
3
2
1
0
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
Format
16-bit unsigned integer
Range
0 to 60 000
Unit
ms
Default
100
Ground Sensor
(Address 55) This register defines the value of the ground-current sensor ratio.
Bit
15
14
13
12
11
10
9
8
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
Modbus Registers
B.4 Register-Type Data – Holding Registers
SICAM, Feeder Condition Monitor, Manual
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