The communication model between the IPS and the multiple sub-MCUS based on RS485 bus, and the design of R &W controllers, was expatiated.

• 摘要首先介绍了系统总体控制方案的选取，采用基于RS485总线的工控机和多下位机通讯方式，及上钩区和脱钧区读写控制器的设计。