COM1 (RS-232-C) port connecting wire (cable programming HW-ACA20) diagram
Programming cable wiring diagram
PC（RS232） PLC（COM1）
DB9 female 4 line S male
Customer can do The connection line of COM1 communication port by yourself, but you also can buy it from Haiwell or local agents. Programming cable product model is HW-ACA20, The total length is two meters.
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