◇在上位机链接单元上，可以执行：
◇监视或改变PC的运行条件。
◇读写IR区域
◇提取或装入程序
◇一个CPU或扩展I/O单元上可以连接2个上位机链接单元，可使用RS-232C，RS-422和塑料护套光纤光缆
◇上位机链接单元可以连接可编程终端
◇运用C200HX/HG/HE的传输指令（TXD）通过PC启动来传输数据
C200HS-CPU23-E
C200H-NC211
C200HW-SLK23
C200HW-ME32K
C200H-CN221
C200HX-CPU54-ZE
C200H-B7A12
C200H-ID501
C200H-PID02
C200H-ID212
C200H-BC031-V2
C200H-IA122
C200HG-CPU33-ZE
C200H-BP002
C200H-ATT01
C200H-CT002
C200HG-CPU53-E
C200H-ATT03
C200HS-CPU01
C200H-CPU01-E
C200H-MR431
C200HS-MP16K
C200HW-COM03-V1
C200H-DIN01
C200H-KS01E
C200HG-CPU63-ZE
C200H-CPU23
C200HW-ME16K
C200H-FZ001
C200H-TV103
C200HE-CPU11-ZE
C200H-TV102
C200H-IA222
C200HG-CPU43-ZE
C200HS-CN222
C200HW-NC213
C200HW-CE002
C200HW-ATT34
C200HX-CPU34-ZE
C200H-BC081-V2
C200H-ATT31
C200H-MR832
C200HW-BC031
C200H-ME831
C200H-OD21A
C200HW-ME04K
C200H-ID001
C200HW-PA204C
C200HW-DRM21-V1
C200HE-CPU42-ZE