Serial

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  • 455U
    455U-D
    RS232, 485 400Mhz
    Messages are routed between devices as broadcast (simultaneous transmission of same message) or controlled mode (i.e., specific unit addressing). 455U-D has three available models in terms of functionality: Bell202 or V23 functionality (455U-B). 405U-D end of life compatibility mode (455U-C). Full functionality RS232/485 modem, addressed/broadcast modes/ Optimal Path Routing for Modbus RTU, DF1 and DNP-3 (455U-D).
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  • 905U-D
    905U-D
    RS232, 485 900Mhz
    Capable of high speed communications with serial devices, the ELPRO 905U-D can communicate using either transparent broadcast mode or a controlled addressed mode. Both offer node to node, node to multi-node and repeatability for greater range. Integrated forward error correction maximizes bit error rate providing greater transmission reliability and configurable DTR controlled low power mode on the RS232 port aids reduction of overall power consumption. The modem is hazardous area approved delivering strong resistance in harsh industrial environments.
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