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3. SIGNALS AND WIRING
(5) Only main circuit power supply off (control circuit power supply remains on)
(10ms)
(Note 1)
(10ms)
Electromagnetic brake
Dynamic brake
Electromagnetic brake
Dynamic brake
Electromagnetic brake
operation delay time
(Note 2)
(ON)
Forward
rotation
Electromagnetic
brake interlock (MBR)
Servo motor speed
Base circuit
Trouble (ALM)
ON
OFF
ON
OFF
(Note 3)
0r/min
No
Yes (OFF)
Main circuit
power supply
ON
OFF
Note 1. Changes with the operating status.
2. When the main circuit power supply is off in a motor stop status, the main circuit off warning (A.E9) occurs and
the trouble (ALM) does not turn off.
3. ON: Electromagnetic brake is not activated.
OFF: Electromagnetic brake is activated.
3.11.3 Wiring diagrams (HF-MP series
HF-KP series servo motor)
POINT
For HF-SP series HC-RP series HC-UP series HC-LP series servo
motors, refer to section 3.10.2 (2).
(1) When cable length is 10m or less
AWG20
AWG20
MR-BKS1CBL M-A1-L
MR-BKS1CBL M-A2-L
MR-BKS1CBL M-A1-H
MR-BKS1CBL M-A2-H
(Note 2)
B1
B2
(Note 1)
Trouble
(ALM)
Servo motor
10m or less
Forced
stop
(EMG)
24VDC power
supply for
electromagnetic
brake
(Note 3)
(Note 4)
Electromagnetic
brake (MBR)
Note 1. Shut off the circuit on detection of the servo amplifier alarm.
2. Connect a surge absorber as close to the servo motor as possible.
3. There is no polarity in electromagnetic brake terminals (B1 and B2).
4. When using a servo motor with electromagnetic brake, assign the electromagnetic brake interlock (MBR) to
external output signal in the parameters No. PD09 to PD11, Po08 and Po09.
When fabricating the motor brake cable MR-BKS1CBL-
M-H, refer to section 13.1.4.