GE 889 - Page 402

4–272 889 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL
MONITORING CHAPTER 4: SETPOINTS
Figure 4-108: Running Hours Logic Diagram
Slot J Card
V1 > 0.5 x VT Freq. > 10Hz
RUN
Run Hrs Lmt
SETPOINT
Run Hrs > Limit
SETPOINT
LATCH ALARM
ALARM FUNCTION:
Disabled=0 ALARM
OR
AN D
FLEXLOGIC OPERANDS
Run Hrs OP
SETPOINT
Output Relay 3(x)
Do Not Operate, Operate
AND AN D
OR
LATCH
S R
RESET
Command
LED:
Alarm
AND
Initial Run Hrs
SETPOINTS
Accumulate
running hours
Frequency
V1
J1 Slot Measured Parameter
BLOCK Off = 0
SETPOINTS
894128.cdr