• 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...
    23 KB (2,610 words) - 21:14, 10 October 2024
  • Thumbnail for RS-232
    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 (5,354 words) - 15:38, 18 September 2024
  • Thumbnail for RS-422
    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,...
    10 KB (1,277 words) - 17:27, 1 October 2024
  • Thumbnail for Access control
    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...
    49 KB (6,159 words) - 16:24, 8 October 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 (1,149 words) - 04:23, 21 August 2024
  • Thumbnail for Universal asynchronous receiver-transmitter
    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 (3,479 words) - 12:14, 4 October 2024
  • 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...
    5 KB (568 words) - 20:51, 3 September 2024
  • Thumbnail for USB-to-serial adapter
    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, so USB to RS-423 adapters...
    5 KB (718 words) - 18:05, 3 August 2024
  • Thumbnail for Serial port
    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 (3,470 words) - 16:57, 3 September 2024
  • Thumbnail for Modbus
    having multiple clients and only one server. To avoid this confusion, the RS-485 transport layer uses the terms "node" or "device" instead of "server", and...
    37 KB (4,450 words) - 15:11, 23 September 2024
  • It enables electronic systems to be relatively immune to noise. RS-422 and RS-485 outputs can be implemented as differential TTL. Normal TTL signals...
    4 KB (489 words) - 23:07, 13 September 2024
  • 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
  • Thumbnail for Bus (computing)
    bus" section of a system bus or expansion card), several of which use the RS-485 electrical characteristics and then specify their own protocol and connector:...
    33 KB (4,239 words) - 05:36, 19 September 2024
  • network modems IrDA physical layer USB physical layer EIA RS-232, EIA-422, EIA-423, RS-449, RS-485 Ethernet physical layer 10BASE-T, 10BASE2, 10BASE5, 100BASE-TX...
    11 KB (970 words) - 19:15, 31 July 2024
  • Thumbnail for RS-449
    three-wire connectors. Electronic Industries Alliance RS-485 USB Apple Desktop Bus The need for 12V to drive RS-232 often led to some complexity in early computer...
    6 KB (869 words) - 00:29, 16 May 2024
  • Thumbnail for Network topology
    ribbon cable, should EMC, length, and bandwidth constraints permit: RS-232, RS-422, RS-485, CAN, GPIB, SCSI, etc. Twisted pair wire is the most widely used...
    40 KB (5,232 words) - 03:08, 10 October 2024
  • List of EIA standards (redirect from RS-343)
    Optic Components EIA-476 Date Code Marking EIA-RS-481 Taping/Leadless Components for Automatic Placement RS-485 Electrical Characteristics of Generators and...
    8 KB (1,082 words) - 01:08, 10 September 2024
  • Thumbnail for DMX512
    popularity in all types of venues. DMX512 uses a unidirectional EIA-485 (RS-485) differential signaling at its physical layer, in conjunction with a...
    33 KB (4,137 words) - 14:28, 8 August 2024
  • CAN bus (controller area network) physical layer DSL EIA RS-232, EIA-422, EIA-423, RS-449, RS-485 Etherloop Ethernet physical layer Including 10BASE-T, 10BASE2...
    17 KB (1,701 words) - 21:45, 29 August 2024
  • 2000 m EMD (Electrical Medium Distance) uses shielded twisted pair with RS-485 transmitters and transformers for galvanic isolation, up to 200 m ESD (Electrical...
    23 KB (1,866 words) - 14:13, 22 September 2024
  • Thumbnail for Programmable logic controller
    discrete logic. PLCs use built-in ports, such as USB, Ethernet, RS-232, RS-485, or RS-422 to communicate with external devices (sensors, actuators) and...
    41 KB (5,234 words) - 16:35, 8 October 2024
  • complement levels, providing much enhanced noise tolerance. Both RS-422 and RS-485 signals can be produced using TTL levels. CcTalk is based on TTL voltage...
    31 KB (3,923 words) - 09:42, 26 September 2024
  • Thumbnail for Lego Mindstorms NXT
    Robotics Invention System. The digital interface is capable of I2C and RS-485 communication. Lego Mindstorms NXT 2.0 is the second set in the Lego Mindstorms...
    25 KB (2,596 words) - 11:31, 16 August 2024
  • early PCNs were serial based, using low level standards such as EIA RS-422 and EIA RS-485 with proprietary protocols on top. One of the de facto standards...
    2 KB (293 words) - 19:49, 30 July 2023
  • Thumbnail for Serial communication
    telegraphy PCI Express Profibus RS-232 (low-speed, implemented by serial ports) RS-422 multidrop serial bus RS-423 RS-485 multidrop multimaster serial bus...
    15 KB (1,528 words) - 00:20, 25 September 2024
  • Thumbnail for Differential signalling
    signalling, as in balanced audio, and in digital signalling, as in RS-422, RS-485, Ethernet over twisted pair, PCI Express, DisplayPort, HDMI and USB...
    18 KB (2,049 words) - 16:06, 26 September 2024
  • to manage electricity consuming/controlling devices Optomux – Serial (RS-422/485) network protocol originally developed by Opto 22 in 1982. The protocol...
    8 KB (812 words) - 16:17, 20 September 2024
  • Thumbnail for Remote terminal unit
    Devices) with different communication protocols (usually serial (RS-232, RS-485, RS-422) or Ethernet). An RTU may support standard protocols (Modbus,...
    9 KB (1,209 words) - 10:53, 4 August 2023
  • Thumbnail for Proximity card
    protocols are mono directional Clock and Data or bidirectional OSDP (RS 485), RS 232 or UART. The earliest card formats were up to 64 bits long. As demand...
    8 KB (1,084 words) - 22:08, 24 August 2024
  • Thumbnail for Euroblock
    microphone- and line level-audio signals, and for control signals such as RS-232 or RS-485. It is also known as the Phoenix connector from one of the manufacturers...
    2 KB (225 words) - 07:39, 20 September 2023