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- App. 13 -
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-ON/OFF operation when the motor is in operation
With Servo-ON entered
With Servo-OFF entered
Servo-OFF
Servo-ON
Released
Energized
Released (ON)
Braking
Not energized
Operation (OFF)
Dynamic brake
Motor energized
Servo-ON becomes active about 50ms after the
motor speed becomes about 30 r/min or less.
Brake release
(BRK-OFF)
Servo-ON
(SRV-ON)
approx.
50 ms
approx.
10 ms
Motor speed
approx.
30 r/min
A
B
approx.
1 to 5 ms
Servo-ON
Servo-OFF
Braking 3
t1 1
2
2
Not energized
Operation (OFF)
Operation (OFF)
Released
Energized
Released (ON)
approx. 30 r/min
approx. 30 r/min
Released (ON)
Dynamic brake
Motor energized
Motor speed A
Brake release
(BRK-OFF)
Motor speed B
Brake release
(BRK-OFF)
Servo-ON
(SRV-ON)
t1 1
Set by Pr6B
Set by Pr6B