Wiring The Servopack To The Holding Brake - YASKAWA SGD7S Product Manual

4.4 Wiring Servomotors

4.4.4 Wiring the SERVOPACK to the Holding Brake

4.4.4

Wiring the SERVOPACK to the Holding Brake

Important
Power supply
BK-RY: Brake control relay
1D: Flywheel diode
*
Install the surge absorber near the brake terminals on the Servomotor.
4-32
• If you use a Rotary Servomotor, select a Surge Absorber according to the brake current and
brake power supply. Refer to the following manual for details.
Σ-7-Series Peripheral Device Selection Manual (Manual No.: SIEP S800001 32)
• After the Surge Absorber is connected, check the brake operation delay time in your applica-
tion. The Surge Absorber may affect the brake operation delay time.
Configure the relay circuit to activate the holding brake for an emergency stop.
Relay Circuit Example
SERVOPACK
Photocoupler
• If you use a 24-V brake, install a separate power supply for the 24-VDC power supply from
other power supplies, such as the one for the I/O signals of the CN1 connector. If the power
supply is shared, the I/O signals may malfunction.
SERVOPACK
L1
L2
L3
L1C
L2C
Brake power supply
AC
5 VDC to 30 VDC
Emergency stop
0 V
U
V
W
CN2
CN1
BK-RY
(/BK+)
1D
(/BK-)
DC side
BK-RY
DC
Servomotor with
Holding Brake
*
+24 V
Surge Absorber
0 V
M
ENC
BK