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
CP1W-20EDR1
CP1E-E14DR-A
CP1L-EM40DT1-D
CP1W-AD041
CP1W-CN811
CP1E-N60DT-D
CP1E-N40DR-D
CP1W-TS102
CP1E-E60SDR-A
CP1W-32ER
CP1W-CIF11
CP1W-MAD11
CP1W-DA042
CP1E-NA20DT-D
CP1E-N20DT-A
CP1E-E40DR-A
CP1L-M60DT-D
CP1W-CN221
CP1W-DA041
CP1L-L14DT1-D
CP1E-N60DT1-D
CP1W-40EDT
MR-J2S-10CP1
CP1E-N30DR-A
CP1W-TS003
CP1E-N40S1DT1-D
CP1L-L14DT-A
CP1E-N30SDR-A
CP1E-E40SDR-A
CP1L-M40DT-A
CP1W-GCTS2
CP1E-E10DR-D
MR-J2S-20CP1
CP1W-EXT01
CP1L-L20DT-A
CP1W-40EDT1
CP1W-CIF01
CP1E-N20DT1-A
CP1E-N30DT-A
GRT1-CP1-L
CP1E-N30DT-D
CP1L-M30DT1-D
CP1L-L14DT-D
CP1W-TS001
CP1E-N20DT-D
CP1E-N40DT-D
CP1E-N30S1DT1-D
CP1E-N30S1DR-A
CP1W-8ET1
CP1E-N14DT1-A