RS232通訊線9pin 25pin 說明1 8 DCD Data Carrier Detect Input2 3 RXD Received Data Input3 2 TXD Transmitted Data output4 20 DTR Data Terminal Ready output5 7 COM Common Return (SignalGround)6 6 DSR Data Set Ready Input
9pin 25pin 說明
1 8 DCD Data Carrier Detect Input
2 3 RXD Received Data Input
3 2 TXD Transmitted Data output
4 20 DTR Data Terminal Ready output
5 7 COM Common Return (SignalGround)
6 6 DSR Data Set Ready Input
7 4 RTS Request to Send Output
8 5 CTS Clear to Send Input
SLC 5/03, 5/04,5/05 主機與電腦接線(1747-CP3 )
一般僅需接2,3,5腳即可工作
MicroLogix1000通訊埠
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電腦(9pin)連接PLC5(1784CP10) 接KF2
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ControlLogix5000 接線
電腦對主機(1756-CP3 ) 主機對數據機Modem
