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

Application

5.8.1 Holding Brake Interlock Signal

5.8 Appropriate Applications

5.8.1 Holding Brake Interlock Signal
Motor Stopped
SV_ON SV_OFF
command
5
t
Motor Running Timing with the Servo OFF, main power OFF, and an alarm
This output signal can be output for interlocking motor circuit power status and motor rotation
speed.
J Setup Procedure
The brake signal is output from 1CN-1(2). Delay time t
the Servomotor drives OFF can be set in user constant Cn-0012. The following shows the Servo
ON signal and power supply timing.
Table 5.5
Servo ON Command Timing
0 to 35 ms
Servo ON
BK signal
Brake OFF
(Drive ON)
OFF
: Brake Time (set from 0 to 50 ms in Cn-0012)
B
S Servo OFF (SV_OFF command)
S Alarm occurs
S Main power supply OFF
S Drive ON
S BK signal
Speed r/min
S Motor rotation speed
Cn-0015
speed r/min
Servo ON Command and Main Circuit Power Supply Timing
Servo OFF
Main Power
supply
BK signal
Brake ON
t
B
ON
(Drive ON)
t : Brake Time (set from 0 to 50 ms in Cn-0012)
B
Servo ON
Normal
ON
5 -18
(×10 ms) from the brake turns ON until
B
Main Circuit Power Supply Timing
55 to 75 ms
t
B
ON
Servo OFF
Alarm
OFF
When this time exceeds
Cn-0016 x 10 ms, the BK sig-
nal turn OFF regardless of the
motor speed.
(DB braking)
OFF