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3
通讯指南
3 Communications
在本章主要讲述如何利用软件通过
RS485
通讯口来操控本产品。本章内容的掌握需要您具有
Modbus
协议的知识储备并且通读了本册其他章节所有内容，对本产品功能和应用概念有较全面的
了解。本章内容包括：通讯应用格式详解，产品的应用细节及参量地址表。
This chapter focuses on how to use software to control the device through RS485 communication
port. The mastery of the content in this chapter requires that you have the knowledge reserve of Modbus
protocol and read all the contents of other chapters in this manual, and have a comprehensive
understanding of the functions and application concepts of the device. The contents of this chapter
include: details of communication format, details of product application and parameter address table of
the device.
3.1
通讯格式详解
3.1 Communication Examples
本节所举实例将尽可能的使用如下表所示的格式，数据为十六进制。
The examples in this section will use the format shown in the following table as much as possible,
the number is hexadecimal.
