2headtop - 2.1.3 ioc operand states, 3 ioc operand states – GE Industrial Solutions Entellisys 5.0 Integrator's Guide User Manual
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2.1.3 IOC Operand States
Each breaker has 2 different states shown in
Table 2-8
. Each one of them corresponds to a different
bit in the data item.
Table 2-8 IOC status bit field
The breaker states for all 30 breakers span across 4 consecutive modbus registers as shown in
Table 2-9
. See
IOC Operand States (4 items) on page 136
for memory locations.
Table 2-9 IOC status offsets
Bit
Value
0
Trip Operated
1
Trip Dropout
Breaker Number
Register
Offset
Bit Offset
Notes
Breaker 1
0
0
Breaker 2
0
2
Breaker 3
0
4
Breaker 4
0
6
Breaker 5
0
8
Breaker 6
0
10
Breaker 7
0
12
Breaker 8
0
14
Breaker 9
1
0
...
...
...
Breaker 30
3
12
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