GE 469

GE Power Management 469 Motor Management Relay 4-91
4 SETPOINT PROGRAMMING 4.15 S14 TWO-SPEED MOTOR
4
4.15.4 SPEED2 ACCELERATION
Two additional acceleration timers are provided for the two speed motor feature. One timer is for a start in
Speed 2 from a stopped condition. The other is an acceleration timer for the transition from Speed 1 to Speed
2. Also, while the motor is running, the 469 will ignore Mechanical Jam protection during the acceleration from
Speed 1 to Speed 2 until the motor current has dropped below Speed 2 FLA
×
Overload Pickup value, or the
Speed 1-2 acceleration time has expired. At that point in time, the Mechanical Jam feature will be enabled with
the Speed 2 FLA
y
SPEED2 ACCEL.
y
[ENTER] for more
SPEED2 ACCEL. TIMER
FROM START: 10.0 s
Range: 1.0 to 250.0 sec., step 0.1
ACCEL. TIMER FROM
SPEED1-2: 10.0 s
Range: 1.0 to 250.0 sec., step: 0.1
SPEED SWITCH TRIP
SPEED2 DELAY: 5.0 s
Range: 1.0 to 250.0 sec., step: 0.1
Seen only if one of the digital inputs is assigned as Speed Switch
SPEED2 RATED SPEED:
3600 RPM
Range: 100 to 7200 RPM; Step: 1
Seen only if one of the digital inputs is assigned as Tachometer.
ENTER
ESCAPE
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