GE 869 - Page 471

CHAPTER 4: SETPOINTS CONTROL
869 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL 4–339
EVENTS
Range: Disabled, Enabled
Default: Enabled
TARGETS
Range: Disabled, Self-reset, Latched
Default: Latched
Figure 4-144: Maximum Starting Rate logic diagram
894085A2.cdr
RUN
FLEXLOGIC OPERANDS
Max Start Rate PKP
Function
SETPOINT
Enabled = 1
SETPOINT
Interval
Motor Starting
FLEXLOGIC OPERANDS
Motor Stopped
Max Number of Starts
STA RT STO P STA RT STO P
NEWEST
Interval (sliding window)
PKP
Lockout time for
Max # of starts =2
Max Start Rate OP
ACTUAL VALUES
Max Start Rate LO Time
Emergency Restart
FLEXLOGIC OPERAND
STATUS
Deleting the
oldest start
count
Present
moment
OLDEST
FLEXLOGIC OPERANDS
AND
LED: Start
Inhibit
OP
Time elapsed since
the oldest start
Motor Tripped
OR
Start Inhibit
FLEXLOGIC OPERANDS