◇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-CPU22
C200H-ATT03
C200H-IDS01-V1
C200H-ASC11
C200H-NC211
C200HW-COM03-V1
C200H-MD215
C200H-PAR-PTC219
C200H-ATT53
C200HW-DRT21
C200H-FZ001
C200H-OD215
C200H-CPU01-E
C200HW-AB001
C200HW-ZW3AT2-EV2
C200H-PID03
C200HS-MP16K
C200H-OD21A
C200H-MP831
C200H-DAC01
C200H-IP006
C200H-TV103
C200HS-CPU21
C200H-CN001
C200HW-BC101-V1
C200HW-CE002
C200H-BAT09
C200HW-ME16K
C200HW-COM01
C200H-DIN01
C200H-IA122
C200HS-CPU33-E
C200H-OD411
C200HX-CPU34-E
C200HW-COM04-V1
C200H-ME832
C200H-CN422
C200H-MR832
C200HW-ATT33
C200H-OC226N
C200H-IA221
C200HW-ATT83
C200H-ID212
C200H-OA223
C200HX-CPU54-ZE
C200HW-COM04-EV1
C200H-OD217
C200H-CN222
C200H-OC222
C200H-TS001