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Panasonic A4P Series User Manual

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[Operation Setting]
Operation
Setting
Servo-ON/OFF Action While the Motor Is at Stall (Servo-Lock)
Caution
*1. t1 will be determined by SV.Pr6A setup value.
*2. For the dynamic brake action at Servo-OFF, refer to an explanation of SV.Pr69, "Sequence at Servo-
OFF ("Parameter setup" at each control mode) as well.
*3. Servo-ON will not be activated until the motor speed falls below approx. 30r/min.
*4. Once the servo turns off, the current position output (P1OUT to P32OUT: CN X5 Pin 29, 30, 31, 32, 33
and 34) is held to be unchanged until the next point operation is completed.
Servo-ON/OFF Action While the Motor Is in Motion
(Timing at emergency stop or trip. Do not repeat this sequence. During the normal operation, stop the motor,
then make Servo-ON/OFF action.)
Caution
*1. t1 will be a shorter time of either the setup value of SV.Pr6B or elapsing time for the motor speed to fall
below 30r/min.
*2. For a dynamic brake operation during servo off and a motor operation state during deceleration, refer to
the explanation of SV.Pr69 (sequence at servo off) also.
*3. For the action of dynamic brake at alarm occurrence, refer to an explanation of Pt69, "Sequence at
Servo-OFF ("Parameter setup" at each control mode) as well.
*4. Once the servo turns off, the current position output (P1OUT to P32OUT: CN X5 Pin 29, 30, 31, 32, 33
and 34) is held to be unchanged until the next point operation is completed.
OFF
OFF
ON
engaged *2
released
not-energized
engaged *2
*4
not-energized *4
energized
engaged
 (OFF)
engaged
(OFF)
released (ON)
engaged (OFF)
released (ON)
No servo-ON until the motor speed 
falls below approx. 30r/min. 
approx.1 to 5ms
approx.40ms
Setup value of
SV.Pr6B
when setup 
value of SV.Pr6B 
is shorter, 
Setup value of
SV.Pr6B
approx.2ms
approx.30r/min
Dynamic brake
Motor energization
Motor rotational 
speed
Motor rotational speed
servo validated
Brake release output 
(BRK-OFF)
Servo-ON input
(SEV-ON)
when setup 
value of SV.Pr6B 
is shorter, 
Motor rotational
speed 
approx.30r/min
Motor rotational
speed 
approx.30r/min
t1 *1
t1 *1
Dynamic brake
Motor energization
Brake release output
(BRK-OFF)
Servo-ON input
(SEV-ON)
approx.40ms
approx.2ms
approx.2ms
1 to 5ms
t1 *1
released (ON)
OFF
not-energized
ON
released
energized
engaged (OFF)
OFF
engaged *2
engaged *3
not-energized
engaged (OFF)