RS-485, also known as TIA-485(-A) or EIA-485, is a standard, originally introduced in 1983, defining the electrical characteristics of drivers and receivers...
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peripheral devices. Compared with later interfaces such as RS-422, RS-485 and Ethernet, RS-232 has lower transmission speed, shorter maximum cable length...
41 KB (5,255 words) - 03:09, 23 April 2024
multi-drop. In contrast to EIA-485, RS-422/V.11 does not allow multiple drivers but only multiple receivers. The first version of RS-422 was issued in 1975,...
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via a serial RS-485 communication line (or via 20mA current loop in some older systems). External RS-232/485 converters or internal RS-485 cards have to...
48 KB (6,064 words) - 14:43, 23 April 2024
BACnet/IPv6, BACnet/MSTP, point-to-point over RS-232, multidrop serial bus with token passing over RS-485, Zigbee, and LonTalk. ANSI/ASHRAE 135-2016 specifies...
9 KB (1,147 words) - 12:53, 22 February 2024
by a driver circuit external to the UART. Common signal levels are RS-232, RS-485, and raw TTL for short debugging links. Early teletypewriters used current...
41 KB (3,477 words) - 03:27, 10 April 2024
data signals are converted to either RS-232, RS-485, RS-422, or TTL-level UART serial data. The older serial RS-423 protocol is rarely used any more,...
5 KB (711 words) - 13:57, 8 June 2023
Alliance RS-485 Profibus Fieldbus List of network buses "EIA-423". foldoc.org. Retrieved 2021-07-08. Buchanan W.J. (2004) RS-422, RS-423 and RS-485. In: The...
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development of protocol Profibus. The MPI is based on the standard EIA-485 (formerly RS-485) and works with a speed from 187.5 kBd to 12 MBd. The network MPI...
1 KB (137 words) - 08:56, 16 February 2018
serial port usually denotes hardware compliant with RS-232 or a related standard, such as RS-485 or RS-422. Modern consumer personal computers (PCs) have...
31 KB (3,472 words) - 09:56, 19 May 2024