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3. SIGNALS AND WIRING
Servo motor Connection diagram
HC-MF053 (B) to 73 (B)
HA-FF053 (B) to 63 (B)
HC-UF13 (B) to 73 (B)
U
V
W
Servo amplifier
B1
B2
24VDC
EMG
CN2
(Note 1)
(Note3)
Encoder
Electro-
magnetic
brake
To be shut off when servo-
on (SON) switches off or by
trouble (ALM)
Encoder cable
U (Red)
V (White)
W (Black)
(Green)
Motor
Servo motor
(Note2)
Note:1. To prevent an electric shock, always connect the protective earth (PE) terminal of the
servo amplifier to the protective earth (PE) of the control box.
2. This circuit applies to the servo motor with electromagnetic brake.
3. For the HA-FF series, connect the ground cable to the earth terminal of the servo motor.
HC-SF121 (B) to 301 (B)
HC-SF202 (B) to 702 (B)
HC-SF203 (B)
353 (B)
HC-UF202 (B) to 502 (B)
HC-RFS353 (B) to 503 (B)
U
V
W
S
ervo amplifier
B1
B2
24VDC
EMG
CN2
(Note 1)
Encoder
Electro-
magnetic
brake
To be shut off when servo-
on (SON) switches off or by
trouble (ALM)
Encoder cable
Motor
Servo motor
(Note2)
U
V
W
Note:1.To prevent an electric shock, always connect the protective earth (PE) terminal of the
servo amplifier to the protective earth (PE) of the control box.
2.This circuit applies to the servo motor with electromagnetic brake.
HC-SF81(B)
HC-SF52 (B) to 152 (B)
HC-SF53 (B) to 153 (B)
HC-RF103 (B) to 203 (B)
HC-UF72 (B)
152 (B)
U
V
W
S
ervo amplifier
B1
B2
24VDC
EMG
CN2
(Note 1)
Encoder
Electro-
magnetic
brake
To be shut off when servo-
on (SON) switches off or by
trouble (ALM)
Encoder cable
Motor
Servo motor
(Note2)
U
V
W
Note:1.To prevent an electric shock, always connect the protective earth (PE) terminal of the
servo amplifier to the protective earth (PE) of the control box.
2.This circuit applies to the servo motor with electromagnetic brake.