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參數資料
| 型號： | RS-485 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | RS-422 AND RS-485 APPLICATION NOTE |
| 中文描述： | RS - 422和RS - 485接口應用筆記 |
| 文件頁數： | 38/44頁 |
| 文件大小： | 628K |
| 代理商： | RS-485 |
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RS-422/485 Application Note
35
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 434-7094
Multi-Master RS-485 Systems
Each node in a multi-master type RS-485 system can initiate its own
transmission creating the potential for data collisions. This type system
requires the designer to implement a more sophisticated method of error
detection, including methods such as line contention detection,
acknowledgement of transmissions and a system for resending corrupted data.
Systems with Port Powered Converters
RS-232 to RS-422 or RS-485 converters that derive their power from the
RS-232 port are becoming more common in data systems. A good
programming practice is to set unused handshake outputs to a high voltage
state in systems using any type of RS-232 to RS-422 or RS-485 converter. This
will assure the best possible operating conditions for all converters used.
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相關代理商/技術參數 |
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| RS485-232 | 制造商:PR 功能描述: |
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| RS485-C1(EU) | 制造商:Equinox Technologies 功能描述:RS232/RS485 CONV (EU) |
| RS485-C1(UK) | 制造商:Equinox Technologies 功能描述:RS232/RS485 CONV (UK) |
| RS485-C1(US) | 制造商:Equinox Technologies 功能描述:RS232/RS485 CONV (US) |
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