ASDA-A2 Chapter 3 Wiring
Revision February, 2017 3-3
Ground terminal
Connect to the ground wire of power and servo
motor.
CN1
I/O connector (Option)
Connect to the host controller. Please refer to
section 3.4.
CN2
Connector (Option)
Connect encoder of the motor. Please refer to
section 3.5.
CN3
Connector Option)
Connect to RS-485 or RS-232. Please refer to
section 3.6.
CN4
USB connector (Type B)
(Option)
Connect to personal computer (PC or notebook).
Please refer to section 3.7.
CN5
Connector (Option)
Connect to linear scale or encoder for full-closed
loop and motor feedback. Please refer to section
3.8.
CN6
CANopen connector (Option) RJ45 connector. Please refer to section 3.9.
CN7
Extension digital input
connector (Option)
Extension DI connector. Please refer to section
3.10.
CN8
Battery connector Connector for absolute type of battery box
Pay special attention to the followings when wiring:
1. When the power is cutoff, do not touch R, S, T and U, V, W since the capacitance inside the
servo drive still contains huge amount of electric charge. Wait until the charging light is off.
2. Separate R, S, T and U, V, W from the other wires. The interval should be at least 30 cm
(11.8 inches).
3. If the wire of encoder CN2 or CN5 connecter is not long enough, please use shielded twisted-
pair cable which cannot exceed 20 meters (65.62 inches). If it exceeds 20 meters, please
choose the bigger wire diameter of signal cable to ensure it will not cause signal fading. As
for the encoder wiring specification of 20-meter-long cable, please use AWG26 of wire size
and metal braided shield twisted-pair cable which complies with the standard of UL 2464.
4. When using CANopen, please use the standard shielded twisted-pair cables to ensure the
communication quality.
5. When selecting the wire rod, please refer to Section 3.1.6.
6. Do not install the plug-in capacitance in servo drive. It might burn out the soft-start resistance
and danger will occur.
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