◇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
C200H-MD115
C200HW-CE002
C200H-ASC02
C200H-KS01F
C200H-CT002
C200H-ASC21
C200H-CPU22
C200H-B7A02
C200H-NC211
C200H-IP007
C200H-AD001
C200HW-PRT21
C200HW-ME32K
C200HW-MC402-E
C200H-TS102
C200H-OD411
C200H-FZ001
C200H-NC111
C200H-TC102
C200HW-PRM21
C200HW-PA204S
C200H-ID212
C200HW-COM06-EV1
C200H-ETL01-E
C200H-RM201
C200H-CPU01-E
C200HW-ATTA4
C200HX-CPU54-E
C200HW-COM02-V1
C200H-ID501
C200H-ID216
C200HW-BI031
C200H-IM212
C200H-RM001-PV1
C200H-NC112
C200HW-ATTA3
C200H-TV102
C200HW-ATT52
C200H-MR831
C200H-TS001
C200H-B7A22
C200H-TV003
C200H-DA003
C200HW-PA204
C200H-ID001
C200HX-CPU64-ZE
C200H-BC081-V1
C200H-ASC11
C200HW-ASCST-CV2
C200H-RT202