PDA1485 ProVu RS-485 Serial Adapter

Brand: Precision Digital Corporation

The PDA1485 converts the serial output of the ProVu meter to balanced, full or half-duplex RS-485 signals. 

The PDA1485 has a removable screw terminal connector for the RS-485 terminals which includes Transmit Data (DO) and (/DO), Receive Data (DI) and (/DI), and Signal Ground. The adapter is provided by the ProVu meter M-Link connection. 

The PDA1485 has three diagnostic LEDs: a Power (P) LED to show when the adapter is powered properly, a Transmit Data (TX) LED to show when the adapter is sending data out from the PC side, and a Receive Data (RX) LED to show when the adapter is receiving data from the ProVu meter.



  • EIA-485


  • Removable screw terminal connector and RJ45 (adapter to meter)


  • 6’ (1.8 m) standard Cat5e cable provided with adapter


  • Adapter to to ProVu meter: 6’ (1.8 m) max, Adapter to computer: 3,937’ (1,200 m) max


  • Powered by ProVu meter M-Link connection

Status Indication

  • Separate LEDs for Power (P), Transmit (TX), and Receive (RX)

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