GE Industrial Solutions Entellisys 5.0 Integrator's Guide - Manual (Page 26)

Entellisys Status Definitions 26
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2.1.4 ST Overcurrent Operand States
Each breaker has 3 different states shown in Table 2-10 . Each one of them corresponds to a
different bit in the data item.
Table 2-10 ST Overcurrent status bit field
The breaker states for all 30 breakers span across 6 consecutive modbus registers as shown in
Table 2-11 . See ST Overcurrent Operand States (6 items) on page 136 for memory locations.
Table 2-11 ST Overcurrent status offsets
Bit Value
0 Trip Pickup
1 Trip Operated
2 Trip Dropout
Breaker Number Register
Offset Bit Offset Notes
Breaker 1 0 0
Breaker 2 0 3
Breaker 3 0 6
Breaker 4 0 9
Breaker 5 0 12
Breaker 6 0 15 Spans over two registers
Breaker 7 1 2
... ... ...
Breaker 30 5 10