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4 Operation
4.3.4 Holding Brakes
4-14
(1) Wiring Example
Use the brake signal (/BK) and the brake power supply to form a brake ON/OFF circuit. The following dia-
gram shows a standard wiring example.
The timing can be easily set using the brake signal (/BK).
Servomotor with
holding brake
Surge
absorber
Red
Black
Blue or yellow
White
BK-RY: Brake control relay
You must provide a 24-VDC power supply for the 24-V brake.
M
BK
ENC
CN21
AC
DC
BK-RY
BK-RY
+24 V
(/BK+)
(/BK-)
CN1
CN7A/B
Brake power supply
Multi-winding
drive unit
AC side
DC side
90-V brake power supply: For 200-V input voltage: LPSE-2H01-E
For 100-V input voltage: LPDE-1H01-E
1D
0 V
0 V
24 V
DC power
supply
(24 V)
100/200 VAC
+
-
To SERVOPACKs and converters