Appropriate Applications; Holding Brake Interlock Signal - YASKAWA SGM Series User Manual

5.8 Appropriate Applications

5.8.1 Holding Brake Interlock Signal

J Setup Procedure
Motor
Stopped S d
SV_ON/SV_OFF
command
/BK signal
(Drive ON)
OFF
t : Brake Time (set from 0 to 50 ms in Cn-0012)
B
Motor Timing with the Servo OFF, main power OFF, and an alarm
Running
S Servo OFF (SV_OFF command)
S Alarm occurs
S Main power supply OFF
S Drive ON
S /BK signal
S Motor rotation speed
This output signal can be output for interlocking motor circuit power status and motor rotation
speed.
The brake signal is output from 1CN-1(2). Delay time t
ON until the Servomotor turns OFF can be set in user constant Cn-0012. The following shows
the Servo ON signal and power supply timing.
Table 5.6 Servo ON Command and Power Supply Timing
Servo ON Command Timing
0 to 35 ms
Servo OFF
Servo ON
Brake OFF
ON
−1
Speed min
Cn-0015
−1
speed min
B
Power Supply Timing
Power supply
Brake ON
/BK signal
t
B
(Drive ON)
Servo OFF
Servo ON
Normal
Alarm
OFF
ON
(DB braking)
5 -19
5.8 Appropriate Applications
(× 10 ms) from when the brake turns
55 to 75 ms
t
B
OFF
ON
When this time exceeds
Cn-0016 x 10 ms, the /BK sig-
nal will turn OFF regardless of
the motor speed.
5