Chapter 3  Wiring  ASDA-A2 
3-18     Revision February, 2017 
3.2.3  Wiring Method 
The wiring method of 400V servo drive is divided into single-phase and three-phase. In the 
diagram below, Power On is contact a, Power Off and ALRM_RY are contact b. MC is the coil of 
magnetic contactor and self-remaining power and is the contact of main power circuit. 
 
  Wiring Method of Three-phase Power Supply (suitable for all series of 400 V servo drive)