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Engineering Reference Materials for RS232 RS485 Schematic
  • RS485

    RS485 is almost identical to RS232 except that transmissions are three-way rather than two-way. RS485 is often used in applications where a single controller needs to control multiple devices. Up to 64 devices may be connected with RS485. An enhanced version of RS422, RS485 is compatible

  • Serial Interface (RS232, RS422, RS485)

    Serial interfaces transmit data one bit at a time. Common standards include RS232, RS422, and RS485. The RS232 standard is approved by the Electronic Industries Association (EIA) for connecting serial devices. The device that connects to the interface is called data communication equipment (DCE

  • Eliminate the Risk of RS-485 Data Corruption

    The RS-485 communications standard was introduced in 1983 by the Electronic Industries Alliance (EIA) as a two-wire, half-duplex, multi-drop alternative to the point-to-point RS-232 interface. (Note: RS-485 can also be wired using 4-wires to enable full-duplex communication). RS-485 uses

  • The State of Industrial Serial Communication

    RS-232, RS-422, and RS-485 have a long history in industrial automation. One of Moxa's most experienced engineers discusses the state of these legacy communication standards and how they are integrated in today's industrial communication equipment.

  • Utility Monitoring System at International Airport

    At a new international airport terminal, the equipment that monitored different aspects of airport operation needed to be connected to a control room over different media interfaces including Ethernet, RS-232, RS-422, and RS-485. An industrial communication solution was necessary to incorporate

  • VoIP in Industrial Networks - Implementing QoS for Reliable Voice Over Industrial Ethernet

    For many years, serial interfaces such as current loop, RS-232, and RS-485 have been the preferred methods for industrial communications. Ethernet offers high reliability with the proven ability to adapt to changing environments, especially new types of media (coaxial cable and wireless

  
News about RS232 RS485 Schematic
  • 4-20mA to RS232 Module with Modbus

    8 inputs channel Current/Voltage signal to RS485/232 Converter

  • 8-CH 4-20mA to RS232 converter

    8 inputs channel Current/Voltage signal to RS485/232 Converter with Modbus RTU protocol

  • Digital signal to RS485 Converter

    WAYJUN WJ62 series 8-ch DI Isolated Digital Signal to RS485/232 data acquisition module has a slim-line plastic housing with integral 35mm DIN rail mounting , terminals, power supply(8-32VDC)

  • Saelig KDMON System Monitoring Device

    KDMON system monitoring device checks analog voltage (-30 to +30 V), analog current (4-20 mA), presence or absence of data on an RS485 bus, contents of registers in an RS485 Modbus slave device, or a relay contact closure (uses the analog voltage input).

  • Serial Comm: Use P/Invoke to Develop a .NET Base Class Library for Serial Device Communications

    Out-of-the-box, the only way of coding RS232 serial communications applications in the .NET environment is to import the outdated and somewhat limited MSComm ActiveX control. This article describes the development of a lean, multithreaded, and modern RS232 base class library in C# managed code. The library uses Platform Invocation Services to interact with the Win32 API directly. Application programmers can use the library from any .NET language through inheritance; the article explores examples written in C# and Visual Basic .NET.John HindMSDN Magazine October 2002

  
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Product Announcements for RS232 RS485 Schematic
Electro Standards Laboratories
4152-DIN Hi-Speed Fiber to RS485/422/232 Converter

Model 4152-DIN Very High Speed Ruggedized Fiber-to-Multi-Point RS485/422/232 Interface Converter, DIN Rail Mounted. Ideal for RS485 Multi-Point Application. The Model 4152-DIN is a high speed ruggedized ST Fiber to RS485 / RS422 / RS232 DIN Rail Mounted interface converter from Electro Standards Laboratories. Typical operating speeds are up to 1.5 Mbps for RS232 to fiber conversion and up to 5 Mbps for RS485/422 to fiber conversion. When operating in RS485/422 mode, the converter can...

Glassman Europe, Ltd.
LPC Series - Programmable DC Power Supplies

The LPC series programmable DC power supplies provide stable, variable output voltage and current for a broad range of development and system requirements. Design features include: Universal AC input. High power density, with up to 850 Watts from a half rack 1U chassis. Scalable Analogue Programming. RS232, RS485, USB 2.0, together with Isolated & non-isolated Analogue programming facilities (with optional Ethernet & GPIB). Auxiliary 5V / 15V outputs. Output voltages up to 600Vdc...

Ametek Solartron Metrology
OrbitĀ® LT

Features. Compact Laser Triangulation unit. 15 mm measurement range with 45 mm offset. Teachable settings for different surfaces. 0.1% F.S. Accuracy. 2 μm repeatability, 1 μm resolution. Widest range of available outputs: Modbus,. RS232 or RS485 Serial, USB, Ethernet TCP,. Discrete NPN, PNP & Logic