Wiring Methods; Single-Phase Power Supply Connection - Delta Electronics ASDA-B Series User Manual

Chapter 3 Connections and Wiring|ASDA-B Series

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
3-4
Revision January 2009