AB MicroLogix1400 1766
CPU的通道2在机身上是9针DB公头，标准232接口，2=RxD，3=TxD，5=GND
TK6070iH
TK6070iH与AB的MicroLogix1400 1766 用COM1 (9600 8N1) RS232 TK6070iH焊母头接端子965，AB焊母头接325
