USB-to-RS485 Gateway Board DPM-OPT-U485 for DPM-3 1/8 DIN Instrument
USB-to-RS485 Gateway Board DPM-OPT-U485 for DPM-3 1/8 DIN Instrument. The DPM-OPT-U485 can connect a computer with a USB port to a DPM-3 host meter and to up to 31 DPM-3 remote meters on an RS485 bus. It features a USB Type-B connector for connection to a PC via a standard USB cable, plus an RJ11 jack for interface to an RS485 bus with up to 31 DPM-3 meters equipped with Transducer Techniques RS485 interface board That board provides dual RJ11 connectors wired in parallel for RS485 daisy-chaining using commercial 6-wire RJ11 data cables, with no need for a hub.
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