PC control three-phase motor step-down starting circuit
Source: InternetPublisher:fish001 Updated: 2013/09/18
Figure (a) is the main circuit, which is a common Y-△ step-down start circuit; (b) is the circuit ladder diagram of the Y-△ step-down start automatic control system designed using FX2-40MR type PC; (c) is External wiring diagram of the system. PC is used for Y-△ step-down start control program table:
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