GE Industrial Solutions Entellisys 5.0 Integrator's Guide User Manual
Page 36
Entellisys Status Definitions
36
2
2.1.14 Over (and Under) Demand Metering Alarm Operand States
There are 16 demand alarms. Each alarm relay has 6 different states shown in
Table 2-30
. Each one
of them corresponds to a different bit in the data item.
Table 2-30 Demand Metering status bit field
The Alarm states for all 16 alarms span across 6 consecutive modbus registers as shown in
Table 2-
31
. See
Over Demand Alarm Flex Operand States (3 items) on page 136
and
Alarm Flex Operand States (3 items) on page 136
for memory locations.
Table 2-31 Power Reversal status offsets
Bit
Value
0
Under-Demand Alarm Pickup
1
Under-Demand Alarm Operated
2
Under Demand Alarm Dropout
3
Over-Demand Alarm Pickup
4
Over-Demand Alarm Operated
5
Over-Demand Alarm Dropout
Breaker Number
Register
Offset
Bit Offset
Notes
Alarm 1
0
0
Alarm 2
0
6
Alarm 3
0
12
Spans over two registers
Alarm 4
1
2
...
...
...
Alarm 16
5
10