文章介绍了台达变频器通信标准MODBUS协议与PC通信（VB）。-article describes the communication in Taiwan converter standard MODBUS communication with the PC (VB).

本文介绍了一种基于VB的计算机串口通信，实现上位机对台达变频器的通讯及对变频器实时监控的功能。 关键词： 串行通信 变频器 VB -In this paper, a computer based on the VB serial communications, PC implementation Tatsu Taiwan inverter communications and real-time monitoring of the inverter function. Keywords

介绍发动机ecu与液力变矩器的配合控制软件设计方案，开发软件VB-the software developement for the match of engine and fluid torque converter

VB与串行通信编程实例：单片机采用了51单片机，多机通信中采用了利SM2来区分是数据还是地址，效果还可以。其中RS485部分采用了隔离转换电路，采用高速光耦6N137-VB and serial communication programming examples: single-chip microcontroller with a 51, multi-machine communication using Lee SM2 to distinguish the data or address,