− App.
55
−
Appendixes
PrNo.
Parameter Range
Function
description
68
69
6A
Sequence
at alarm
Sequence
at servo-off
Mechanical
Brake aclion
set-up at
motor standstill
0 〜 3
【0】
0 〜 7
【0】
0 〜
100
【0】
Value
0
1
2
3
During deceleration
DB
Free run (coasting)
DB
Free run (coasting)
After stop
DB
DB
Free (DB not engaged)
Free (DB not engaged)
Operating conditions
Content of the position
error counter
Cleared
↑
↑
↑
Pr6A の設定≧ tb
・The value of this parameter should not
be less than the value of tb (delay of
braking) in order to avoid the minute
movement or fall of the motor (work).
・ Pr6A = (Entry) x 2 ms
On
SRV-ON
BRK-OFF
Actual
braking
Motor
current
Brake
released
Brake
released
Off
Brake
engaged
Brake
engaged
Energized
Free
(not energized)
Pr6A
tb
Defines the conditions for decelerating the motor and keeping
the motor stopped after one of the driver's protective functions
(alarms) is activated.
(DB: Dynamic brake engaged)
See also "Timing chart for alarms" in Appendix.
Defines the following processes after Servo-OFF (SER-ON signal:
CN I/F Pin 29).
① Operating conditions during deceleration and after stop
② Process for clearing the position error counter
The functions of this parameter and the meanings of param-
eter values are the same as those of Pr67.
See also "Timing chart for Servo-ON/OFF during the halt of motor"
in Appendix.
Defines the duration from OFF of the brake release signal (BRK-
OFF) (i.e. brake engaged) to the shutdown of motor current (servo
free) in transition to Servo-OFF during the halt of the motor.
See also "Timing chart for Servo-ON/OFF during the halt of
motor" in Appendix.
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