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  • 2.5 Mb/s Isolated RS485 Communication Interface With up to 500 mW Supplementary Power
    This application note provides a reference design for a flexible, high power RS485 interface using NEC's PS9821 digital optocouplers and an LMS1487 transceiver from National Semiconductor.
  • Designing RS-485 Circuits
    When a network needs to transfer small blocks of information over long distances, RS-485 is often the interface of choice. The network nodes can be PCs, microcontrollers, or any devices capable of asynchronous serial communications. Compared to Ethernet and other network interfaces, RS-485's
  • 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
  • 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
  • Dual Protocol Transceivers Ease the Design of Industrial Interfaces
    The trend in industrial PC designs towards smaller form factors and more communication versatility is driving the development of modern bus transceivers. This white paper discusses the industry's most commonly used interface standards, RS-232 and RS-485, reviews the functionality and features
  • Motion Control
    The FAULHABER Group offers a complete line of programmable motion controllers with various communication and performance features to fit your application. We offer controllers with multiple interfaces like RS-485, DeviceNet, or RS-232, CANopen interface. All controllers come complete
  • VoIP in Industrial Networks
    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
  • Using a PIC (R) Microcontroller for DMX512 Communication
    mechanism. Hence, it is PWM module to control the brightness of a LED. not suitable for any safety critical application. Data is transmitted at 250k baud rate using a physical interface BACKGROUND compatible with the RS-485 transmission standard

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