GE Multilin 850 Instruction Manual page 207

CHAPTER 4: SETPOINTS
SETPOINT
52a CONTACT
FlexLogic operand =1, Off = 0
SETPOINT
52b CONTACT
FlexLogic operand =1, Off = 0
FlexLogic operand
(BKR 52a state)
FlexLogic operand
(BKR 52b status)
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
Table 4-21: Breaker status with both contacts 52a and 52b configured
52a Contact Status
Off
On
On
Off
Figure 4-16: Breaker Connected/Disconnected (Racked-In/Racked-Out) Detection
FlexLogic operand status
SETPOINT
BKR 1 CONNECTED
FlexLogic operand =1, Off = 0
Figure 4-17: Breaker State Detection logic diagram
BKR 1 NOT CONFIGURED
RESET
(command)
52b Contact Status
On
Off
On
Off
TARGET MESSAGE
At least one contact programmed
(to Trip and Close output relays)
FLEXLOGIC OPERANDS
BKR 1 Configured
PB LED: BREAKER CLOSED
FLEXLOGIC OPERANDS
BKR 1 Closed
PB LED: BREAKER OPENED
BKR 1 Opened
30 ms
Breaker Status
BKR Opened
BKR Closed
BKR Unknown State
BKR Unknown State
FLEXLOGIC OPERANDS
BKR 1 Disconnected
FLEXLOGIC OPERANDS
BKR 1 Connected
894207A1.cdr
FLEXLOGIC OPERANDS
LED: ALARM
S
FLEXLOGIC OPERANDS
LATCH
BKR 1 Unkwn State
892740A2.cdr
R
SYSTEM
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