Chapter 3 Connections and Wiring|ASDA-B Series
3-4 Revision January 2009
3.1.3 Wiring Methods
For servo drives 1.5kW and below the input power can be either single or three-phase. For drives 2kW
and above only three-phase connections are available.
In the wiring diagram figures 3.2 & 3.3:
Power ON : contact “a” (normally open)
Power OFF or Alarm Processing : contact “b” (normally closed)
1MC/x : coil of electromagnetic contactor
1MC/a : self-holding power
1MC : contact of main circuit power
Figure 3.2 Single-Phase Power Supply Connection
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