− App.
17
−
Appendixes
*1. The value of t1 is the value of Pr6B or the time needed for decreasing the
motor speed to about 30 r/min , which is shorter.
*2. During deceleration, Servo-ON does not become active until the motor stops,
even if you attempt to turn on SRV-ON again.
*3. For the operation of the dynamic brake at Servo-OFF, see the explanation of
Pr69 in "Details of Parameters".
Servo-OFF
Servo-ON
Released
Energized
Released
Braking
Free (not energized)
Braking
Dynamic brake
Motor
Servo-ON does not become active until the
motor speed decreases to about 30 r/min or less.
Brake release
(BRK-OFF)
Servo-ON
(SRV-ON)
approx. 50 ms
Motor speed
approx. 30 r/min
approx. 1 to 5 ms
Servo-ON
Servo-OFF
Braking *3
t1 *1
Free (not energized)
Braking
Braking
Released
Energized
Released
approx. 30 r/min
approx. 30 r/min
Released
Dynamic brake
Motor
Motor speed A
Brake release
(BRK-OFF)
A
Motor speed B
B
Brake release
(BRK-OFF)
Servo-ON
(SRV-ON)
t1 *1
Set by Pr6B
Set by Pr6B
Servo-ON/OFF operation when the motor is in operation
With Servo-ON entered
With Servo-OFF entered
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