◇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-PA204C
C200HS-ME16K
C200H-CPU03
C200HX-CPU34-ZE
C200H-MD215
C200H-RT201-C
C200HW-NC413
C200HE-CPU11-ZE
C200HW-BI101
C200HX-CPU65-ZE
C200H-MD501
C200H-CPU02-E
C200H-TV103
C200H-ASC31
C200H-CN311
C200HW-COM04-EV1
C200H-CPU01-E
C200H-ATT51
C200H-ID501
C200H-B7A12
C200H-CN222
C200HS-CPU23-E
C200HW-BC051
C200H-ID212
C200H-CT001
C200H-CN521
C200H-ATT31
C200H-IA122
C200H-OC222
C200H-PAR-PTC219
C200H-CE001
C200H-IM211
C200H-PRO27-E
C200H-ATTA1
C200H-ATT01
C200HW-CE011
C200H-IA221
C200HW-PRM21
C200H-ME831
C200HX-CPU65-E
C200H-OC224
C200HX-CPU85-ZE
C200HW-BC031
C200H-CN211
C200HS-CPU03
C200H-OA221
C200HW-ATT54
C200HW-ATTA3
C200H-DAC01
C200HS-CPU33-E