搜索资源列表
BIANPIN
- S7-300PLC与变频器通过485串口的通讯例子程序-S7-300PLC and converter serial communications through the 485 examples of the procedures
VB
- VB编写的基于645规约的电表行业485通讯抄表程序，可以进行485总线抄表，645规约测试。技术要点就是对规约数据传输协议的处理，如向电表发送数据时的控制码和数据长度、发送的数据部分包括数据标识 + 密码 + 数据、应答帧长度、结束标志等通讯协议的处理值得学习。 -VB prepared the Statute based on the 645 meter 485 meter-reading process industries can be carried out 485 meter, 64
myusart
- atmega128单片机的串口通讯程序，通过串口调试助手可实现单片机与计算机的交互。-atmega128 single-chip serial communication program through the serial port can achieve single-chip debugging assistant computer interaction.
PROGRAM
- 摇床上的通信板程序，于主机通过485通信并处理液晶显示和键盘操作，是一个完整的工程，开发环境KEIL.-Rocking bed communication board proceedings at the host through the 485 communications and deal with liquid crystal display and keyboard operation, is a complete project, development environment KEI
485
- 基于51单片机的485双工通信的c语言程序-Based on MCU 51 485 duplex communication c language program
rs485
- 基于485的主机接收程序 将从机I/O的状态反映给主机的I/O-485 the host receives from the machine I/O status reflects to the host I/O
485
- RS485通讯协议下的完整的驱动程序,很完整已编译通过！-RS485 communication protocol driver, it is full compiled through!
usbzhuang
- USB转232与485模块驱动程序 其中有源代码和上位机 可以试试 不错的-USB transfer module driver, 232 and 485
485
- 485程序，简单的电脑通过485接口接收数据和发送数据-The 485 program, simple computer 485 interface receives data and sends the data via
232TO485
- 232转485非常好的资料，有程序有电路图。-Very good information
FR-500
- 基于485串口通信的VB控制FR-500变频器,工业上用的很实用的程序，工程师可以自己研究下，希望提出改进！-VB 485 based serial communication control FR-500 drive, the industry s very practical program, engineers can own research, I hope suggestions for improvement!
stm32RS485
- stm32 485 通信程序 调试通过 解决工程上485通信问题-Stm32 485 communication program debugging by solving the 485 communication problem on the project
CURRENTPROTECTION485
- 电流485保护MMI控制面板程序，单片机采用STM32F103RBT6.- U7535 u6D41485 u4FDD u62A4MMI u63A7 u5236 u9762 u677F u7A0B u5E8F uFF0C u5355 u7247 u673A u91C7 u7528STM32F103RBT6.
RS232串口连接
- 上位机（PC机或具有串口的其他控制设备）通过RS232串口连接到本控制板后，向控制板发送一串ASCII代码指令既可控制步进电机的转向、转速、步进量，完全不需了解步进电机及驱动器的工作原理。例如:串口发送"S100",则步进电机将顺时针以每分钟100转的速度旋转，串口发送"N300",则步进电机将逆时针以每分钟300转的速度旋转；串口发送"S100J",则步进电机将顺时针步进100个步距角，串口发送"N1000J",则
VB与三菱FX系列PLC通信程序
- VB与三菱FX系列PLC通信程序.rar(vb plc connection via 485 this is very important)
自制MAIHAK浓度分析仪＿通讯测试 - rs485
- 利用visual basic 6编写程序实现对485通信设备的发送命令和读取命令，以及对数据的处理(Using Visual Basic 6 to write programs to achieve the 485 communication device send commands and read commands, as well as data processing)
S03-3_Ultrasonic
- 通过控制超声波传感器的收发，实现对障碍物距离的探测，并通过485传输传感器的状态和距离数据。(By controlling the sending and receiving of ultrasonic sensors, the distance between obstacles can be detected, and the data of the state and distance of the 485 transmission sensors can be detected.)
RS485基本通讯原理
- 485 与 232 使用相同软件协议，是半双工，这里提供测试程序(485 and 232 use the same software protocol, which is half duplex, which provides testing procedures)
程序JD-DL100-MAIN-AV1.1
- 本程序可以将车库的LED灯照明搭建成为整体的控制系统： 1、通过实时探测地下车库的来车，当有汽车在地下车库中行走时，自动控制打开车库中的灯。 2、此系统可以实现提前预计汽车的行驶路径，只打开汽车将要开往线路的灯，其他的灯不打开。(This program can build the LED lighting of the garage into a control system as a whole. 1, through the real-time detection of
电力终端程序
- 基于LINUX操作系统应用开发源程序，376.1规约，集电力载波，485，以太网，GPRS无线通讯接口，(This program is focused on the power industry s distribution transformer terminal procedures, the agreement Statute is 376.1 statute. Function carrier meter, 485 meter, GPRS remote communication, E