搜索资源列表
rs
- rs485通信串口协议的介绍,还有和认识232的比较-Introduction rs485 serial communication protocols, as well as understanding and comparison 232
modbus-CRC
- 简单介绍了 MODBUS 协议, 针对 RS485 测控模块的实际需要, 定义了该协议的扩 展功能码。并对通信协议的实现细节进行了说明, 给出了采用 C51 设计实现的通信协议 程序。-Brief introduction of the MODBUS protocol, in view of the actual need of RS485 control module, defines the protocol extension Show the function code
ADS1256
- 基于RS485的监控协议的设计与实现,请放心使用。-Based on the RS485 monitoring the design and implementation of the agreement
pressure_modbus
- 多个MSP430单片机采集气体压力,用RS485组网,采用MODBUS通信协议传输数据。-MSP430 MCU collecting multiple gas pressure, using an RS485 network, using MODBUS communication protocol to transfer data.
HMImaker30
- 介绍工业串口液晶显示触摸屏与人机界面组态软件HMImaker的开发指南,工业液晶显示触摸屏是一种包含TFT LCD显示屏、LCD控制器、触摸屏、人机界面组态软件系统和单片机TTL电平串口,RS232,RS485,以太网等通讯接口于一体的嵌入式智能显示终端。工业串口液晶显示触摸屏技术开发是基于嵌入式控制系统采用FPGA纯硬件驱动显示,无任何操作系统,零启动时间,上电即刻运行,速度和可靠性领先于其他方案。系统配套自主研发设计的,具有知识产权保护的人机界面组态软件HMImaker设计界面,可“所见即所
MODBUS-RTU-C-code-8051
- RS485通讯与MODBUS协议(C代码8051)-RS485 communication with MODBUS protocol (C code 8051)
danpianjiyu-PLC
- 单片机(stc89c52)通过RS485与PLC通信,采用modbus协议,利用单片机闲置的一个管脚置高或低,来判断出现单片机程序执行的情况。硬件连接比较简单,单片机通过485的A/B端连接到RS485/RS422,RS422连接但PLC。这个就是.c程序不是工程文件,下载后自己建立个keilC工程就可以了。-SCM (stc89c52) via RS485 communication with the PLC, using modbus protocol, using SCM idle a
recive_buf1
- 该源码主要适用于基于RS485的硬件连接方式,通讯协议采用MODBUS RTU帧格式,该代码可移植到以串口为硬件层的工控领域中-The source is mainly suitable for hardware connection mode, based on RS485 communication protocol adopted the MODBUS RTU frame format, the code can be transplanted to a serial port for h
SerialLib
- 基于RS232/RS485通信协议的 Linux 串口通信动态链接库封装的实现。-Realization of dynamic link library for Linux serial communication
SRC_new
- MEGA8挂SHT10温湿度传感器,RS485 MODBUS协议03 16指令实现通讯,控制除湿器工作,为了跟一个东东配套,程序中05指令实际为16指令.注意改过来-MEGA8 hang SHT10 temperature and humidity sensors, RS485 MODBUS protocol 0316 instructions to achieve communication, control dehumidifier work
NewSmartControl
- QT 4.8.6 分布式IO模块控制 LibModBub 3.0.6 , RS485总线控制分布式IO模块,可任意添加控制模块。通信协议ModBus。-QT 4.8.6 Distributed IO module control LibModBus 3.0.6, RS485 bus control distributed IO module can add any control module. Communication protocol ModBus.
430-Program-file
- Msp430单片机规小程序,RS232、时钟配置、RS485通信协议、DS1302/18B20等等。-Msp430 SCM regulation applet, RS232, clock configuration, RS485 communication protocol, etc., first upload ADS1241.
reference
- modbus通信程序,用于实现上位机与下位机之间的通信,此程序主要实现了通过RS485的MODBUS协议-Modbus communication program, used to implement the communication between upper machine and lower machine, this program is mainly realized through RS485 modbus protocol
PIC18f97J60TCPIP
- PIC18f97J60 EBoardConfig 上位机VC++源程序,用于测试上位机与以太网学习板进行RS485通信 EthernetBoard-V2.1 以太网开发板源程序 V4.51_Test-V2.1 TCPIP协议栈V4.51测试程序 Bootloader.hex Bootloader烧写文件,用于Bootloader实验-PIC18f97J60 BoardConfig PC C++ source code for testing PC with Ethe
VC485-serialcommpro
- 本例程演示了PC机和智能型仪表如何通过RS485接口进行通信。仪表采用专家自整定PID调节器,该仪表的通讯协议已经在例程代码中作了详细说明。-This routine demonstrates how PC and intelligent instruments through the RS485 interface to communicate. Instrument using the self-tuning PID regulator, the instrument of the comm
vbchuankoutongxin
- 利用VB实现com1 串口通信 基于rs485通讯协议-VB Serial communication
Modbus
- MODBUS协议时总线通信的一种最常用的协议,支持rs485、rs232等通信方式-A time-MODBUS bus communication protocol most commonly used protocol, support rs485, rs232 and other communication
tcpip
- 基于TCP/IP通讯的仪器仪表应用层协议架构由于新一代仪器仪表的数据量大,传输距离远,实时性高,传统的基于RS232/RS485的串行数据传送方式已不能满足要求,而基于TCP/IP的以太网数据通讯方式,传输距离大(通过internet,理论上无限远),速度快,是当前新一代仪器仪表数据传输的理想方式。 基于单片机(如MCS51+RTL8019AS)的以太网接入技术已经相当成熟,可以方便的与PC机连接。根据仪器仪表嵌入式应用的要求(如实时性),我们采用TCP协议或UDP协议进行数据传输。TCP是
LEWEI-modbus---
- 乐为物联串口数据上传工具-modbus,集成了串口通讯,RS485通讯以及TCP协议,方便上传数据到乐为物联云端。-Music by material serial data upload tool- the modbus, integrated with a serial port communication, and TCP protocol RS485 communication, convenient to upload data to the music for al the clou
STM32-MODBUS程序
- stm32F103基于rs485传输方式的modbus协议与电脑上位机通讯,可以实现读和写(Stm32F103 Modbus protocol based on RS485 transmission and computer host communication, you can read and write)