Optically Isolated Digital Input Cards

Optically Isolated Digital Input Card

Dual Channel Optically Isolated Digital Input Card for RDNET1000 Outstations and Transmitters

Intended for harsh industrial environments, this plug in card permits the interface of 2 volt free contacts to the RDNET1000 Outstation or Telemetry Transmitters.

Isloated Telemetry Digital Input Card

The card features on-board optical isolators (1.5Kv) and a isolated DC/DC convertor to energise the contacts,  data encoding and comes complete with a pre-assigned unique electronic serial number in line with the RDN1000 data protocol. There are also 2 x status LEDs that reflect the input contact status. (Closed = LED ON).


  • RDNET1000 protocol
  • 1.5Kv Optically Isolated Inputs
  • 2 x Digital Inputs with status (red) LEDs
  • DC/DC convertor for isolated excitation of inputs
  • 100% plug and play
  • TX Data status LED
  • 32-bit address / Electronic serial number
  • Card message type 1.1, 2.1 and 6.1 supported.
  • 3 of 2-part 3.85mm pitch terminals
  • Can from part of an IOT+ network



Isolated Telemetry Digital Input Card Connections


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Please call your local distributor for prices on products, systems and solutions. Spares and accessories may also be purchased through our online web portal