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RS-232、RS-422与RS-485标准及应用
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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
Schematic
- RS-232 to RS-485/422 Converter schematic. It can support RS-422 and RS-485 to change only two jumppers. And it used general devices. 75176 can be replaced max485, 65LBC184 etc.
232TO485
- 232直接转成全双工（4线制）485接口 只用一片MAX488即能转换成功，其实是422通信方式，已经测试通过。 带有配套电源电路-232 be transferred directly into a full-duplex (4 wire system) 485 with only a MAX488 that is able to convert successfully, in fact, is a 422 means of communication have been teste
LabVIEWrS232SendCmd
- LAB View Send Command via RS-232
RS-232RS-422RS-485
- RS-232、RS-422与RS-485标准及应用,详细解答了关于232 485通信的知识-RS-232, RS-422 and RS-485 standard and application, detailed answers to the communication of knowledge about 232,485
NMEA
- NMEA 422 and 232 Filter Issue9
RS-232-RS-422-RS-485
- RS-232、RS-422与RS-485标准及应用-RS-232, RS-422 and RS-485 Standard and Application
RS-232-RS-422-RS-485
- RS-232、RS-422与RS-485标准及应用.doc-RS-232, RS-422 and RS-485 standards and applications. Doc
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
Physical-Layer-Serial-Interface-Standards
- Overview Physical Layer Interface Standards (PSTN) EIA RS-232-C/D, V.24, V.28, RS-423-A, RS-422-A, RS-449, EIA-530, V.35, USB, Hierarchy ITU - T V series.
communication-concept.-PDF
- The basic knowledge of serial communication concept (232, 422, 485). PDF
MWE485-D
- RS－232/RS－485/RS－422有源隔离转换器 型号：MWE485－D-MWE485－D introduction RS－232/RS－485/RS－422
Interface_standards
- Summary of RS-232, RS-422, and RS-485 Interface Standards
Rs485 Rs422
- RS-422 and RS-485 Application Note
AN723
- APPLICATION NOTE 723: Selecting and Using RS-232, RS-422, and RS-485 Serial Data Standards