◇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-B7A21
C200H-CN422
C200H-KS01I
C200H-RM001-PV1
C200H-PAR-EPTC210B
C200H-ATT33
C200H-AD003
C200H-TM001
C200HW-PRT21
C200H-CPU31
C200HS-CPU23-E
C200H-ME832
C200H-ATT01
C200H-ETL01-E
C200H-TS001
C200H-PAR-MRK1031G
C200H-OD214
C200HW-PD025
C200H-CN521
C200HW-BC081
C200HX-CPU65-ZE
C200HW-ATTA4
C200H-OD211
C200H-COV11
C200HW-MC402-E
C200HW-ATT54
C200H-OA122-E
C200HW-ATTA2
C200H-TS002
C200HW-ZW3AT2-EV2
C200H-TV002
C200HW-CLK21
C200H-IA222
C200H-OC221
C200H-DIN01
C200H-OA224
C200H-OC222
C200H-NC112
C200HW-SRM21-V1
C200H-ATTA3
C200H-ASC11
C200H-NC211
C200H-OD216
C200HS-CN222
C200H-SP001
C200H-BC051-V2
C200H-OA222V
C200HW-ATT32
C200H-LK201-V1
C200H-MR833