RS-232C或RS-422A/485CP1H与带有条形码阅读器等的RS-232C端口或RS-422A/485端口的通用设备间，在没有指令发送→应答接收的步骤下，单方地按照CPU单元的程序内的TXD指令从发送端口发送数据，或按照RXD指令读取接收端口内的数据。另外，可在数据的发送或接收帧中首标、结束代码。可可PCLinkCP1HCPU单元或CJ1MCPU单元SYSMACCP1HBATTERYMEMORYAC100-240VPERIPHERALPOWERERR/ALMBKUP
CP1E-E20DR-A
CP1E-E60SDR-A
CP1E-N40S1DR-A
CP1H-XA40DT-D
GRT1-CP1-L
CP1E-N60SDT1-D
MR-J2S-10CP1
CP1E-N60DT-D
CP1H-X40DR-A
CP1E-N20DT1-A
CP1L-L20DR-A
CP1H-XA40DT1-D
CP1E-N40S1DT1-D
CP1E-N60DR-D
CP1E-N40DR-D
CP1E-N30DT-A
CP1E-N30DT1-D
CP1E-N40SDT-D
CP1L-L20DT-A
CP1W-DAB21V
CP1E-E10DR-D
CP1L-L20DT-D
CP1W-ME05M
CP1W-20EDT1
CP1L-L14DT1-D
CP1E-E20SDR-A
CP1W-AD042
CP1W-BAT01
CP1W-MAD44
CP1E-N30S1DR-A
CP1E-N60SDT-D
CP1E-N40DT1-D
CP1L-EM30DT1-D
CP1L-M40DT-A
CP1L-EM40DR-D
CP1L-L10DT-D
MR-J2S-20CP1-S084
CP1L-M60DT1-D
CP1L-M30DR-D
CP1L-EM30DR-D
CP1L-EL20DT1-D
CP1E-N40SDR-A
CP1W-32ET1
CP1W-DAM01
CP1L-L10DR-D
CP1W-TS101
CP1L-L20DR-D
CP1E-E14DR-A
CP1E-N60SDR-A
CP1E-N60S1DT1-D