5 Operation
5.2.4 Holding Brakes
5-10
(1) Wiring Example
Use the SERVOPACK contact output signal /BK and the brake power supply to form a brake ON/OFF circuit.
The following diagram shows a standard wiring example.
The timing can be easily set using the brake signal (/BK).
(2) Signal Setting
This output signal controls the brake and is used only for a servomotor with a brake. The output signal must be
allocated with Pn50F. Refer to (3) Brake Signals (/BK) Allocation for allocation.
The /BK signal turns OFF when an alarm is detected or the /S-ON signal is turned OFF. The brake OFF timing
can be adjusted with Pn506.
• The brake signal (/BK) is not used with the factory settings. The output signal must be
allocated.
Refer to (3) Brake Signals (/BK) Allocation to set the parameter Pn50F.
BK-R Y
: Brake control relay
∗
1 and
∗
2 are the output terminals allocated with Pn50F.2.
A 24 VDC power supply is not included.
Brake power supply for 90 V Input voltage 200-V models: LPSE-2H01-E
Input voltage 100-V models: LPDE-1H01-E
M
BK
ENC
U
V
W
CN2
AC DC
BK-RY
BK-RY
+24V
L1
L2
L3
L1C
L2C
(/BK+)
(/BK-)
CN1
∗1
∗2
1D
0 V
Servomotor
with holding
brake
SERVOPACK
Power supply
Red
Black
Blue or
yellow
White
Brake power
supply
DC sideAC side
Type Name
Connector
Pin Number
Setting Meaning
Output /BK Must be allocated
ON (close) Releases the brake.
OFF (open) Applies the brake.
The /BK signal remains ON during overtravel. The brake is released.
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