GE Multilin 850

CHAPTER 4: SETPOINTS CONTROL
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL 4–341
Figure 4-151: Manual Close Blocking logic diagram
892755A2.cdr
SETPOINT
MANUAL CLOSE BLOCK FUNCTION: Disabled
Alarm
OR
OR
AND
Latched Alarm
LED: ALARM /
LATCHED ALARM
RESET
Command
AND
S R
LATCH # 1
Set-
Dominant
Configurable
FlexLogic Operand
Manual Cls Blk OP:
5 s
SETPOINTS
Do Not Operate, Operate OUTPUT RELAYS 3 to 7
AND AND
SETPOINT
MANUAL CLS BLOCK INTERVAL:
OR
To
TOC Pickup Raise, IOC
Blocking and Setting
Group Change
OR
FLEXLOGIC OPERAND
BKR 1 MANUAL CLOSE
FLEXLOGIC OPERAND
AR 1 ENABLED
FLEXLOGIC OPERAND
COLD LOAD 1 OP
FLEXLOGIC OPERAND
TRIP ON
Relay 1
Aux Relay X ON
FLEXLOGIC OPERAND
Upon selection of Aux Relay X
under Trip Relay Select setpoint
from Breaker setup menu Aux Relay [X] ON
OR