描述
本系统使用了两台型号是1756-L55M13的CPU，内存1.5M。两个CPU分别安装在两个机架上，互为热备用，先上电的CPU为主。为了避免同时失电，两个机架的电源分别取自厂用电和UPS电源。两个CPU中的程序完全一样，采集信息、处理程序、发出命令由主CPU完成，备用CPU在实时跟踪主CPU工作。一旦主CPU失电或者通讯中断，备用CPU将代替主CPU继续完成工作。
ABB YB560101-KL CONTROL PANEL S3
ABB YB560103-AL DSQC209 ANALOG I/O S3 BD
ABB YB560103-AM DSQC210 S3 SAFETY BOARD
ABB YB560103-BD DSQC223 Digital I/O Board, S3/S4
ABB YB560103-BE DSQC224 COMBINATION I/O S3
ABB YB560103-BL DSQC228 S3 SAFETY BOARD
ABB YB560103-BN DSQC230 CONTROL BOARD ROBOT
ABB YB560103-BR DSQC232 S3 DISPLAY BOARD
ABB YB560103-CA DSQC236A AXIS DRIVE BOARD
ABB YB560103-CB DSQC236B AXIS DRIVE BOARD
ABB YB560103-CC DSQC236C AXIS DRIVE BOARD
