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自制无源RS232
- rs232-485电路图，及制作指南，破除市售产品的神秘。-RS232-485 circuit and the production of guidelines, products sold to get rid of the mysterious.
PB-B-RS232(485).rar
- PB-B-RS232(485)应用例程,PROFIBUS编程参考,PB-B-RS232 (485) the application of routine, PROFIBUS programming reference
RS232-485
- 一种RS232和485接口的转换算法文档,可供参考-NO
RS232
- RS-232、RS-422与RS-485都是串行数据接口标准，最初都是由电子工业协会（EIA）制 订并发布的，RS-232在1962年发布，命名为EIA-232-E，作为工业标准，以保证不同厂家产品 之间的兼容。RS-422由RS-232发展而来，它是为弥补RS-232之不足而提出的。为改进RS-232 通信距离短、速率低的缺点，RS-422定义了一种平衡通信接口，将传输速率提高到10Mb/s， 传输距离延长到4000英尺（速率低于100kb/s时），并允许在一条平衡总线上连接最
Modbus_over_serial_line_V1_02
- This document describes the MODBUS over Serial Line protocol. MODBUS Serial Line protocol is a Master-Slave protocol. This protocol takes place at level 2 of the OSI model. A master-slave type system has one node (the master node) that issues exp
RS232
- The Document Gives the basic idea about RS485 communication with the PC. It shows basic hardware arrangement of Rs-232 to 485 converter
232-485
- 描述基本的rs232转485的基本电路接线方法，简单实用-Describe the basic rs232 wiring circuit switch 485 of the basic method is simple and practical
RS232-485COM
- RS232-485串口通信详解，包括串口的图片及详细参数，值得学串口的朋友-Detailed Serial Communication
RS232-RS485
- 简单的232转485电路图，看完之后也许对你有启发。-Simple 232 to 485 circuit diagrams, and after reading, perhaps you have inspired.
PhysSerComStds
- Physical Serial Communication Standards. Detailed resume of hardware characteristics of standarised serial communication protocols (RS232, 485, etc.). English.
RS232-422-485
- 一种9针RS-232-422-485各脚名称和顺序的定义-Name of 9pin about RS232-422-485
JIEKOU
- 为你详细介绍各种接口的芯片选型，接口类型如1394 CAN Crosspoint Display ESD/EMI I² C Isolation LVDS/M-LVDS Optoelectronics PCIe RS232/422/485 SerDes UARTs USB Voltage-Level Translation xECL，为你解决常用接口的设计难题，提供各种接口的原理图设计-You detail the various interface chip selection, int
RS232RS485
- RS232与RS485的转换资料，对采用计算机232口编程操控带485口的检测设备有绝佳帮助-RS232 and RS485 conversion information on the use of computer programming control testing equipment 232 with 485 has an excellent help
232-485
- 232到485的数据转换电路，实现了rs232到485总线的转换，传输距离大大增加。-232-485 data conversion circuit, converting a rs 232-485 bus transmission distance is greatly increased.
dp
- PB-B-RS232产品手册，PB-B-RS232(485)gsd，Ds232.gsd(PB-B-RS232 product manual, PB-B-RS232 (485) GSD, Ds232.gsd)