GE Industrial Solutions Entellisys 5.0 Integrator's Guide - Manual (Page 33)

System Status 33
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2.1.11 Under Voltage Flex Relay Operand States
There are 16 Over Voltage and 16 Under Voltage Flex Relays. Each relay has 6 different states shown
in
Table 2-24 . Each one of them corresponds to a different bit in the data item.
Table 2-24 Over Voltage status bit field
The relay states for all 16 relays span across 6 consecutive modbus registers as shown in Table 2-25 .
See Under Voltage Relay Flex Operand States (6 items) on page 136 for memory locations.
Table 2-25 Over Voltage Flex status offsets
Bit Value
0 Alarm Pickup
1 Alarm Operated
2 Alarm Dropout
3 Trip Pickup
4 Trip Operated
5 Trip Dropout
Breaker Number Register
Offset Bit Offset Notes
Relay 1 0 0
Relay 2 0 6
Relay 3 0 12 Spans over two registers
Relay 4 1 2
... ... ...
Relay 16 5 10