◇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-ATT52
C200H-CPU21
C200HG-CPU63
C200HE-CPU42-E
C200H-TV001
C200H-PAR-PTC219
C200HW-DRM21-V1
C200H-TV002
C200HW-PRM21
C200H-OD211
C200H-OC226
C200H-AD001
C200H-ASC02
C200H-B7A22
C200H-CN002
C200H-OD215
C200H-CT001
C200HW-PRT21
C200HS-CPU21-E
C200H-CN521
C200H-IDS01-V1
C200H-CT001-V1
C200H-MR832
C200H-OC225
C200H-MR432
C200H-IA222
C200H-CPU03-E
C200H-PS221
C200H-MP831
C200H-OC226N
C200H-CPU23
C200H-FZ001
C200H-RT002-P
C200H-BC031-V2
C200H-ASC31
C200H-ATT01
C200HW-PA209R
C200H-TV003
C200HW-ATT53
C200H-OD213
C200H-CE002
C200H-TC101
C200H-ATT31
C200HW-ATT54
C200H-TC001
C200HW-ATTA4
C200H-ME432
C200H-LK101-PV1
C200HX-CPU34-E
C200H-CN425