◇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-SLK13
C200HG-CPU53-ZE
C200H-CP114
C200H-CPU03-E
C200H-NC111
C200H-ID001
C200H-RM001-PV1
C200HW-ATT52
C200H-PS221-C
C200H-PAR-PTC219
C200H-IDS01-V1
C200H-RT201
C200H-RT201-C
C200H-CN222
C200H-OC222
C200H-ATT01
C200H-TV102
C200H-TC003
C200H-TV002
C200H-CN711
C200H-ASC21
C200H-DAC01
C200H-OD212
C200HW-ATTA2
C200H-TS101
C200H-CN223
C200HW-ATT84
C200H-CT021
C200H-OD501
C200HW-PA204S
C200HW-PD025
C200H-MR432
C200H-CN221
C200H-ME431
C200H-ETL01-E
C200H-CN002
C200HS-CPU31-E
C200HS-CPU01
C200H-MR431
C200HW-CE002
C200HW-COM02-V1
C200HW-ME04K
C200H-IM212
C200H-RT001-P
C200HX-CPU34-ZE
C200H-CPU02
C200H-CN131
C200H-IA122
C200H-ME831
C200HW-NC213-LD