◇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
C200HW-CE001
C200HW-COM05-EV1
C200H-BP002
C200H-ATT02
C200H-OD211
C200H-TC003
C200H-TV002
C200HS-CPU21
C200H-KS01G
C200H-ID211
C200HW-CORT21-K
C200HW-ATT32
C200HS-INT01
C200H-CN311
C200HW-CE012
C200HW-COM04-V1
C200HW-COM06-EV1
C200H-PAR-PTC219
C200HW-ATT84
C200HW-BC051
C200HW-ATT54
C200HW-BC081-V1
C200H-DA004
C200H-TC101
C200H-OD212
C200H-SP001
C200H-OA221
C200HW-ATTA2
C200HW-SRM21-V1
C200H-B7AO1
C200H-CP114
C200HW-ME08K
C200H-LK401
C200H-MR833
C200H-CN425
C200H-OD411
C200HW-BI101-V1
C200H-RT002-P
C200HW-NC113
C200H-DAC01
C200H-KS01S
C200H-ID111
C200HW-SLK23
C200H-B7A02
C200HE-CPU42-ZE
C200HX-CPU54-E
C200H-CT001-V1
C200H-CN521
C200H-OA222V
C200H-CN001