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485 抄表
- 用 VB 做的一个 232-485 抄表程式（上海04版），还有其它的（hz218@sina.com） -This program is used for 232-485 writting form(Shang Hai 04 version) and written by VB language, other version please contact my email address.(hz218@sina.com)
rdc1610 for 485
- for rdc1610 读485电表的软件源码 -rdc1610 Reading for the 485 meter-source software
485
- 有关485通信的详细说明.485通信广泛应用在工业控制领域.
485
- 485的下位机控制,可分配不同的地址给从机,可通过232与主机相连,实现主从控制.串口采用中断方式接收.
485
- 全面介绍485总线的特性,并结合CAN总线协议举例说明
232-485
- 232-485接口电路,主要介绍了RS232转化为RS485的接口电路.包括对管脚的介绍,已经对连线方法的介绍
Modbus_21.rar
- 串口RS232/485，读取温度表显示温度,Serial RS232/485, read the thermometer shows the temperature
TestMXComponent.rar
- 利用三菱MXComponent程序进行与fx2n,Q系列等PLC的通讯测试程序。有读取plc自带通讯口，或者232口，或者485通讯三种方式，方便工控人员学习用,Mitsubishi MXComponent use of procedures and fx2n, Q series PLC communications test procedure. Have read Communications plc own mouth, or 232, or 485 in three ways to fa
CAN485
- 压缩包内是基于c++编程的485通讯的程序，包括电路原理图和源程序代码-Compressed packet is based on the c++ programming of the 485 procedures, including circuit schematics and source code
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
485Test
- 485通讯收发测试程序，可在两台机进行测试-485 communication transceiver test procedure can be tested on two machines
485-SERIAL
- here is a PCB design of 485 - serial Bus Converter ... its totally isolated ... use orcade guyz ... -here is a PCB design of 485- serial Bus Converter ... its totally isolated ... use orcade guyz ...
485
- 485串口通讯实例，调试通过可直接下载调试用 -485
485
- 实用的485通讯电路，测试通过，抗干扰性能优良-Practical 485 communications circuits, test passed, excellent anti-interference performance
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
RS-485-TO-RS232
- RS 485 TO RS232 CONVERTOR
485单数据通信
- 因RS-485接口具有良好的抗噪声干扰性，长的传输距离和多站能力等上述优点就使其成为首选的串行接口。因为RS485接口组成的半双工网络，一般只需二根连线，所以RS485接口均采用屏蔽双绞线传输。RS485接口连接器采用DB-9的9芯插头座，与智能终端RS485接口采用DB-9（孔），与键盘连接的键盘接口RS485采用DB-9（针）。(RS-485 interface has the advantages of good noise immunity, long transmission dist
实验25 485实验
- 利用485通信进行数据传输，比串口通信更加易于通信，并且通信距离远而且稳定，有利于正常工作中的使用。(The use of 485 communication for data transmission is easier to communicate than serial communication, and the communication distance is far and stable, which is conducive to the use of normal work.)
485 PCCOM测试软件
- 485 PCCOM测试串口通讯功能；分别为32位和64位系统。(485 PCCOM Test serial communication function.)
232转485(HXSP-2108F)
- win10可以用usb转485驱动，解决设备管理器黄色感叹号(the driver of usbto485)