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
MR-J2S-20CP1
CP1L-EL20DT1-D
CP1W-20EDT1
CP1L-EM40DT1-D
CP1L-L20DT1-D
CP1E-N60DR-D
CP1E-N20DT1-A
CP1E-N60DT1-D
MR-J2S-10CP1-S084
CP1E-N14DR-A
CP1L-M60DT-D
CP1W-ME05M
CP1E-N30DR-A
USB-CP1E
CP1W-TS101
CP1W-DA021
CP1W-MAD11
CP1E-N14DR-D
CP1L-L14DT-A
CP1W-20EDR1
CP1E-N40S1DT-D
CP1L-M60DR-D
CP1W-MAD44
CP1E-N20DT1-D
CP1E-E60SDR-A
CP1E-E20SDR-A
CP1E-NA20DT1-D
CP1E-N30DT1-D
CP1L-M40DR-A
CP1L-L20DR-D
CP1E-E40DR-A
CP1E-E10DT-D
CP1E-N20DR-A
CP1W-MAD42
CP1E-N30SDT1-D
CP1L-M40DT1-D
CP1W-MAB221
CP1W-GCTS2
CP1H-XA40DR-A
CP1W-CN811
CP1E-N60SDT-D
CP1L-EL20DR-D
CP1E-N60SDR-A
CP1E-N40DT-D
CP1E-N30DT1-A
CP1E-N40DR-D
CP1W-ADB21
CP1L-EL20DT-D
CP1E-E14SDR-A
CP1W-AD042