This paper describes the full process of improving the sequence comtroller for 200 MW Unit made in Czechoslovakia The use of the SYSMAC-C60P programmable controller with the technique improment is specified.

• 对捷制200MW发电机组程控设备的技改全过程作了详细阐述，介绍了SRSMAC－C60P可编程控制器在技改中的应用。