◇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-DRT21
C200HW-ME08K
C200H-OD217
C200H-COV03
C200HW-ATT52
C200H-OD211
C200H-NC112
C200H-ATT83
C200H-DA002
C200H-CPU31
C200HS-CPU23-E
C200HW-PRT21
C200H-CE002
C200HW-PD024
C200HW-SLK24
C200H-ID215
C200H-KS01E
C200H-DA004
C200H-BC081-V2
C200H-ATT33
C200HW-BI051
C200HS-CPU31-E
C200H-CPU02-E
C200H-CT021
C200H-PRO27-E
C200HG-CPU43
C200HW-AB001
C200H-PS211
C200HW-PA204
C200HW-CORT21-K
C200H-TC003
C200H-TL001
C200H-MR432
C200H-B7A21
C200H-CN222
C200HW-PA209R
C200H-ID218
C200H-BC081-V1
C200H-OD215
C200H-OD214
C200HW-COM04-V1
C200H-BC051-V1
C200H-KS01G
C200H-KS01S
C200H-OC226
C200H-PS221-C
C200HW-COM01
C200HW-BC101
C200HX-CPU85-ZE
C200H-ID111