Chapter 3 Wiring ASDA-A2R Series
3-4 Revision December. 2014
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.
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