44
/ S-ON input or
alarm power off
Motor rotation
speed (Rpm)
/BK output
P5-08 Deceleration
stop or free
stop
Servo
ON
Servo
OFF
Brake locked
Brake
release
P5-09
/ S-ON input or
alarm power off
Motor rotation
speed (Rpm)
/BK output
P5-08 Deceleration
stop or free
stop
Servo
ON
Servo
OFF
Brake locked
Brake
release
P5-09
Since the brake of the servo motor is designed to be used as a position holder, it must be activated
at the right time when the motor stops. While observing the action of the machine, adjust the user's
parameters.
The conditions for the conversion of the / BK signal from ON to OFF in motor rotation are as
follows (any of the two conditions takes effect):
1) When the speed of the motor is below the set value of P5-08 after servo OFF;
2) When the servo OFF exceeds the set time of P5-09.
5.2.6 Alarm output signal
Parameter
Signal
name
Setting
Meaning
Range
P5-47
Alarm
output
/ALM
n.0002
(default)
When the servo alarm, SO2 and
COM are connected, and the alarm
signal is output.
The parameter range is
0000-0014,
which
is
assigned to the output
interface by parameter
P5-47. When set to 0001,
the signal is output from
the SO1 terminal.
n.0012
When the servo alarm, the SO2 and
COM are switched off.
Note:
(1) When an alarm occurs, the servo unit is forced to set OFF, and the motor will move with external
forces (including gravity). If you need to keep the motor in position, please select the motor with power
loss brake (also known as brake) and use / BK signal. Refer to Section 5.2.5.
(2) The output of the functional parameters can not be repeated.
5.2.7 Anti-blocking alarm
Anti-blocking alarm: When the motor speed is lower than P0-75 (unit 1 rpm) and the duration reaches
the set value of P0-74 (unit ms), the current output torque U0-02 is greater than the internal positive
torque limit of P3-28 and the internal reverse torque limit of P3-29, it will show the alarm E-165
blocking overtime (this alarm is not detected when P0-74/75 is set to 0).
Parameter
Meaning
Default
setting
Unit
Setting range
Change
Effective
P0-74
Blocking alarm
time
0
1ms
0
～
65535
Anytime
At once
P0-75
Blocking alarm
speed
50
rpm
5
～
9999
Anytime
At once
If the alarm occurs during the normal working process of the servo, please confirm:
(1) Monitor the torque of U0-02 and check the reasonableness of setting the limit values of P3-28
and P3-29.
(2) Check the external mechanical structure and installation.
