The problem of communication between FX series PLC and node of CAN fieldbus in high speed clip mercerizing machine is discussed.

• 针对高速布铗丝光联合机控制系统中FX系列PLC和CAN协议现场总线网络节点的通信问题,提出了通过一个CAN 485节点来解决PLC和现场CAN节点之间的通信方案。