◇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-MD501
C200H-ME832
C200HW-MC402-E
C200H-OC224
C200H-COV03
C200H-OC222
C200H-ID218
C200HW-ATTA2
C200H-ID217
C200HW-ZW3AT2-EV2
C200H-ETL01-E
C200HG-CPU63
C200HW-ATT82
C200HX-CPU64-ZE
C200H-MR833
C200H-IA222
C200H-OA224
C200H-BC081-V1
C200H-OA223
C200HW-CLK21
C200HW-PCU01
C200H-OD213
C200H-ID111
C200H-TV103
C200H-CT002
C200H-OD219
C200H-TV002
C200H-PAR-EPTC210B
C200HW-BC101-V1
C200HW-COM04-V1
C200HX-CPU85-ZE
C200H-KS01E
C200H-MR432
C200H-OD215
C200HS-CPU01-E
C200H-B7AI1
C200HE-CPU42-ZE
C200HW-COM04-EV1
C200HX-CPU54-E
C200HW-BC101
C200H-OA221
C200H-CPU31
C200HW-BI101-V1
C200HS-CPU03
C200H-CPU03-E
C200H-ID001
C200H-ATT31
C200H-KS01I
C200H-ASC02
C200HS-CPU23-E