GE MI-869 - Page 209

CHAPTER 4: SETPOINTS INPUTS
869 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL 4–91
Figure 4-21: Analog Input Threshold Logic Diagram
894125A1.cdr
RUN
TRIP PICKUP:
SETPOINT
RUN ALARM PICKUP:
SETPOINT
SETPOINT
Configurable TRIP FUNCTION:
Disabled=0
Trip
SETPOINT
BLOCK:
Off=0
SETPOINT
LATCHED ALARM
ALARM FUNCTION:
Disabled=0
ALARM
OR
AND AND
FLEXLOGIC OPERANDS
Anlg Ip 1 ALARM PKP
SETPOINT
Output Relay 3(x)
Do Not Operate, Operate
Anlg Ip 1 ALARM OP
AND AND
OR
LATCH
S
R
RESET
Command
LED: Alarm
FLEXLOGIC OPERANDS
Anlg Ip 1 TRIP PKP
SETPOINT
Output Relay
Do Not Operate, Operate
Anlg Ip 1TRIP OP
Operate Output
Relay 1(TRIP)
LED: TRIP
OR
AND
ANALOG INPUT
Measured Signal
SETPOINT
Enabled
= 1
FUNCTION:
Disabled
=0
SETPOINT
MIN VALUE
NAME
UNITS RANGE
MAX VALUE
SETPOINT
TRIP TYPE
OVER
UNDER
Dropout Ratio
VALUE > =
PKP
VALUE > = PKP
RUN VALUE < =
PKP
RUN VALUE < =
PKP
SETPOINT
ALARM TYPE
OVER
UNDER
LED: PICKUP
AND
AND
Dropout Ratio
AND AND
SETPOINTS
t
PKP
t
RST
TRIP PICKUP DELAY: TRIP DROPOUT DELAY:
SETPOINTS
t
PKP
t
RST
ALARM PICKUP DELAY: ALARM DROPOUT DELAY: