◇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-OC224
C200H-MR831
C200H-OC226N
C200H-DA004
C200H-TV101
C200H-OD21A
C200H-CN111
C200H-IA221
C200H-DA001
C200H-BC051-V1
C200H-OC223
C200HW-PRM21
C200HG-CPU43-ZE
C200H-PID03
C200H-ME431
C200H-CE001
C200H-TC102
C200H-ID215
C200H-PS221-C
C200HW-ATT84
C200HW-NC213
C200H-COV02
C200H-CT002
C200HW-BI081-V1
C200H-COV03
C200HE-CPU32-E
C200H-CPU31
C200H-PS211
C200H-DIN01
C200HW-PRT21
C200HW-ME08K
C200H-TV002
C200H-ATT31
C200H-ATT01
C200HW-BC081
C200HW-ZW3AT2-EV2
C200H-ID217
C200H-IP007
C200HW-DRM21-V1
C200H-AD002
C200HW-ATT54
C200HW-PA204
C200H-CPU02-E
C200H-OD217
C200HW-PCU01
C200HW-SLK14
C200HW-COM05-V1
C200HW-COM06-V1
C200H-LK101-PV1
C200HW-AB001