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No. SX-DSV02472 -
147-
9-2-3 Servo-ON/OFF action while the motor is in motion
(Timing at emergency stop or trip. Do not repeat this sequence.)
Approx. 60 ms
Servo-ON
command
Dynamic brake
Motor energization
Brake release output
(BRK-OFF)
OFF
ON
Release
Energized
Output Tr ON
(Brake release)
Engaged
Output Tr OFF
(Brake engage)
Not-energized
Engaged
*3
Setup value of Pr 4.38
Approx.1 to 5 ms
t1
*1
*3
Not-energized
*5
*4
Approx. 4 ms
Motor rotational speed
Approx.30 r/min
Servo validated
Motor rotational speed
Setup value of Pr 4.39
Setup value of Pr 4.38
t1
*1
No servo-ON until the motor speed
falls below approx. 30 r/min.
Motor rotational speed
When setup value of
Pr4.38 is shorter
When time to fall below
value of Pr4.39 is shorter
Motor rotational speed
Setup value of Pr4.39
OFF
Output Tr OFF
(Brake engage)
Output Tr ON
(Brake release)
Output Tr OFF
(Brake engage)
*1. t1 will be a shorter time of either the setup value of Pr 4.38 “Mechanical brake action at running setup” or
elapsing time for the motor speed to fall below Pr 4.39 “Brake release speed setup”.
*2. Even when the servo-ON command is turned on again while the motor is decelerating, transition to servo-ON is
not performed until the motor stops.
*3. For the action of dynamic brake at alarm occurrence, refer to an explanation of Pr 5.06 (Sequence at Servo-Off)
as well.
*4. Servo-ON will not be activated until the motor speed falls below approx. 30 r/min.
*5. For the motor energization during deceleration at Servo-OFF depends on the setup value of Pr 5.06 (Sequence at
Servo-Off).
*6. A brake release output (BRK-OFF) is output by a release request from the EtherCAT communication (set brake
of 60FEh).
R1.05
Motor Business Division, Appliances Company, Panasonic Corporation