Relay cable from the controller unit can be replaced, but is the cable from the motor side of the cable is supplied with each motor unit in optional cable is not.
The relay cable from the controller unit side can be replaced, but the cable from the motor side is not an option cable in the cable, which is included with each motor alone.
You can replace the relay control unit from the side of the motor from the side of the cable, the cable in the cable is attached to the motor for a single cable is not an option. It is