GE Industrial Solutions Entellisys 4.0 Integrator's Guide - Manual (Page 10)

Integrator’s Guide 10
1.1.2 FlexLogic Operand States
After each protection pass, all the information regarding each operand's state is updated in
corresponding Modbus register. The section
PLC Interface (Read/Write) on page 110 is the
complete list of registers holding state information of corresponding operand.
1.1.2.1 Breaker Control Flex Operand States
Each breaker has 13 different states shown in Table 1-2 . Each one of them corresponds to a
different bit in the data item.
Table 1-2 Breaker Control status bit field
The breaker states for all 30 breakers span across 25 consecutive modbus registers as shown in
Table 1-3 . See PLC Interface (Read/Write) on page 110 for memory locations.
Table 1-3 Breaker status offsets
Bit Value Notes
0 Breaker Opened
1 Breaker Closed
2 Breaker Locked Out
3 Closing Spring Charged
4 Primary Disconnect Connected
5 Primary Disconnect Disconnected
6 Secondary Disconnect Connected
7 Breaker Ready
8 Breaker Available
9 Breaker Open Failed
10 Breaker Close Failed
11 Breaker Fault
12 Breaker RELT State Not used in this release. It shall be always set to 0.
Breaker Number Register
Offset Bit Offset Notes
Breaker 1 0 0 N/A
Breaker 2 0 13 This breaker’s information spans
over two adjacent registers
Breaker 3 1 10 This breaker’s information spans
over two adjacent registers
Breaker 4 2 7 This breaker’s information spans
over two adjacent registers
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