◇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
C200HG-CPU53-ZE
C200H-ME432
C200H-OC226N
C200HX-CPU44-ZE
C200H-BP002
C200H-B7A21
C200H-TS101
C200H-OC221
C200HW-PD024
C200H-B7AI1
C200HW-SLK13
C200H-CN002
C200H-CN425
C200HW-ATT82
C200HW-COM05-EV1
C200HW-SLK14
C200H-CT002
C200H-ASC21
C200HS-CPU01
C200HG-CPU63-E
C200H-ID501
C200H-ME431
C200H-OC222
C200H-CPU02-E
C200H-OD216
C200H-KS01I
C200H-ATT81
C200HW-ATT53
C200HW-PA204
C200H-OA222V
C200H-ID216
C200H-OA224
C200HW-PRM21
C200H-TC101
C200HG-CPU43
C200H-RM201
C200HS-CPU03
C200H-OD214
C200H-OA222
C200HW-CE001
C200H-CP114
C200H-PAR-EPTC210B
C200H-CPU23
C200HW-SLK23
C200HW-CORT21-K
C200H-BC081-V1
C200HW-ZW3AT2-EV2
C200HW-AB001
C200HW-BI051
C200H-CPU03-E