GE Industrial Solutions Entellisys 5.0 Integrator's Guide - Manual (Page 38)

Entellisys Status Definitions 38
2
2.2.2 MSGF Overcurrent Operand States
Each zone has 7 different states shown in Table 2-34 . Each one of them corresponds to a different
bit in the data item.
Table 2-34 MSGF Overcurrent status bit field
The zone states for all 4 instances span across 2 consecutive modbus registers as shown in Table 2-
35 . See MSGF Overcurrent Operand States (2 items) on page 136 for memory locations.
Table 2-35 MSGF Overcurrent status offsets
Bit Value
0 Trip Dropout
1 Alarm Dropout
2 Trip Pickup
3 Alarm Pickup
4 Trip Operated
5 Alarm Operated
6 Backup Trip Operated
Zone Number Register
Offset Bit Offset Notes
Zone 1 0 0
Zone 2 0 7
Zone 3 0 14 This zone’s information spans
over two registers
Zone 4 1 5
1 12 Bits from 12 thru 15 are not used
and will always be set to 0