ABB方表中文规约(TD for system integrator new).pdf

目 录 1. 硬件接口.................................................................................................... 1 2.IEC Alpha表的编程要求................................................................................ 3 3.Alpha plus软件通过485口抄读Alpha表.......................................................... 4 4.Alpha表与其他主站的数据交换过程................................................................. 6 4.1规约概述.............................................................................................. 6 4.2 常用的命令格式及举例........................................................................... 9 5. 通信常见疑难问题解决及注意事项...............