Panasonic Minas E Series Instruction Manual page 34

Timing Chart
Servo-ON/OFF Operation When the Motor is Stopped
(During normal operation, perform the Servo-ON/OFF operation after the motor stops.)
Servo-ON Input
(SRV-ON)
Dynamic Brake
Motor Energized
Brake Release
Output (BRK-OFF)
When you turn off the power of the electromagnetic brake, the motor brake will run. When you turn on the
power of the electromagnetic brake, the motor brake will be released.
<Cautions>
*1. A value of t1 depends on a setting of Pr6A.
*2. For the operation of the dynamic brake during Servo-OFF, also refer to the description of "Sequence
during Servo-OFF" ("Parameter Settings" of every control mode) on Pr69.
*3. Servo-ON input will not be active until the motor rotation speed falls below approx. 30r/min.
Servo-ON/OFF Operation When the Motor is Rotating
(The following chart shows timing in the case of emergency stop or trip. You cannot use Servo-ON/OFF
repeatedly.)
Servo-ON Input
(SRV-ON)
Dynamic Brake
Motor Energized
Brake Release
Output
(BRK-OFF)
Number of Motor Rotations
Motor Rotation
Speed
Servo-ON input will not be active
until the motor rotation speed
falls below approx. 30r/min.
<Cautions>
*1. A value of t1 is a value of Pr6B or time needed for decreasing motor speed to approx. 30 r/min,
whichever is shorter.
*2. Even if SRV-ON signal turns on again during deceleration of the motor, SRV-ON input does not become
active until it stops.
*3. For operation of the dynamic brake during Servo-OFF, also refer to the description of "Sequence at
Servo-OFF" ("Parameter Settings" of every control mode) on Pr69.
*4. Servo-ON input will not be active until the motor rotation speed falls below approx. 30r/min.
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OFF ON
Approx. 1 - 5 ms
Release
Operation *3
Not Energized Energized
Approx. 40 ms
Approx. 10 ms
Release (ON)
Operation (OFF)
OFF
ON
* 4
Operation Release
Energized
Not Energized
Approx.
40 ms Approx. 10 ms
Operation
(OFF)
Motor Rotation Speed A
Approx. 30 r/min
Servo enabled
Motor Rotation Speed B
OFF
Approx. 1 - 5 ms
t1 *1
Operation (OFF)
OFF
Approx. 1 - 5 ms
Operation *3
Not Energized
Setting of Pr.6B
Release
(ON)
t1 * 1
Approx. 30 r/min
Setting of Pr.6B
Release
(ON)
t1 * 1
Approx. 30 r/min
34
Operation *2
Not Energized
Operation
(OFF)
When the time defined by
Pr.6B is reached earlier.
Operation
(OFF)
When the motor rotation speed
falls below 30r/min earlier.