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lfpv3
- 微机保护(LFP系列)与RTU的通讯规约(V3.0) 1. 通讯接口： 1.1 接口标准： RS-232C/RS-422/RS-485 1.2 通讯格式： 异步，一位起始位，八位数据位，一位停止位，无校验位。 1.3 通讯速率： 4800~38.4Kbps。 1.4 通讯方式： 主从方式。
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- RS-232、RS-422与RS-485标准及应用技术
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- RS-232、RS-422与RS-485标准及应用技术2
MAX485_1281849
- The MAX481E, MAX483E, MAX485E, MAX487E–MAX491E, and MAX1487E are low-power transceivers for RS-485 and RS-422 communications in harsh environments. Each driver output and receiver input is protected against ±15kV electrostatic discharge (ESD)
rs-232485422
- 本文详细地介绍了如何从RS-232信号线上高效率地产生电源如何实现RS-232 接口与RS-485/RS-422接口的智能转换同时也给出了具体的硬件设计及软件设计方法-This article describes in detail how the signal from the RS-232 line of high efficiency power generation how to achieve the RS-232 interface with RS-485/RS-422 Inte
sp487
- The SP486 and SP487 are low–power quad differential line drivers meeting RS-485 and RS-422 standards. The SP486 features a common driver enable control the SP487 provides independent driver enable controls for each pair of drivers. Both feature t
SUPERCOM
- The SuperCom Serial Communication Library is a programer s library used to develop serial communication applications.The functions are grouped logically with respect to their functionality and portability. Some of the SuperCom API functions are spe
ck
- 支持基于串行接口（RS-232、RS-422、RS-485）、GPIB总线（IEEE2488、HPIB标准）、VISA总线的通信；-Supports serial interface (RS-232, RS-422, RS-485), GPIB bus (IEEE2488, HPIB standard), VISA bus communication
Serial-PortDebug-(RS232.485)-(VB)
- 方便初学串口设备通信的朋友参考用作RS-232, RS-422, RS-485调试的程序， VB代码；