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Novus Automation UK | Modbus I/O  | DigiRail |  DigiRail-2R

DigiRail-2R, 2  Digital Relay Output Module; Modbus I/0

DigiRail-2R, 2 Digital Relay Output Module; Modbus I/0

Price: (4 or fewer items) £63.50 (Excluding VAT at 20%)
Price: (5 to 9 items) £60.50 (Excluding VAT at 20%)
Price: (10 to 24 items) £57.00 (Excluding VAT at 20%)
Price: (25 or more items) £54.00 (Excluding VAT at 20%)



Product Option

Part Numbers and Commodity Code

Commodity Code
The Commodity Code for this family of Products is:-

  • 8538.90.10
Part Numbers
The part numbers and descriptions for this device and any variants are as follows:-

  • 8811200101 DigiRail-2R RS485 Dual relay outputs


The DigiRail-2R is a DigiRail ModBus I/O Module with two Digital Relay Outputs. Its compact DIN Rail mountable form allows it to be mounted almost anywhere and the DigiRail-2R connects to Serial ModBus-RTU networks on standard 2 wire RS485. The DigiRail-2R is fully configurable and can be used  with any PLC, Data acquisition software or SCADA systems that supports the ubiquitous ModBus-RTU protocol.

The DigiRail-2R inputs are electrically isolated from the serial interface and the module supply thus avoiding interference.
The DigiRail-2R is easily configured and calibrated using the free DigiConfig software for Windows (if you need a RS485 converter the Novus USB i485 will be an appropriate addition).
The DigiConfig software also features device detection technology, automatically detecting all DigiRail devices on the ModBus network allowing quick and easy configuration.


  • Outputs: Two independent outputs, with relay SPDT, 8 A, 250 Vac
  • Configurable Timing for activation of each output relays: 32 bits
  • Dielectric strength between open contacts: 1000 Vac
  • Feed: 10 to 35 Vdc / 90 mA maximum
  • Internal protection against polarity inversion.
  • 2000 Vac Electrical Isolation between the outputs,the power supply and the serial port
  • Serial communication: two wires RS485, Modbus RTU protocol
  • Configurable parameters:
    • Communication speed: from 1200 to 115200 bps
    • Parity: even, odd or none
    • Response time to the commands: 6 ms
    • Bounce time (NA/NC): 3 / 6 ms
    • Key for restoring communication parameters: The RCom key, at the front panel, will set the device in diagnostics mode (baud rate 1200, parity even, 1 stop bit), able to be detected and configured by the DigiConfig software.
  • Frontal light indicators for communication and status:
  • Software configurator in Windows environment: DigiConfig
  • Electromagnetic compatibility: EN 61326:2000
  • Operating temperature: 0 to 70 °C
  • Operational relative humidity: 0 to 90% RH
  • Assembly: DIN rail 35mm
  • Compact enclosure, just 72x78x19mm.
  • DIN Rail mountable

Options coloured green are available ex-stock and can be despatched immediately.

Associated products

Click here to add a USB-i485 to your order.
Click here to add a thermocouple to your order.

People who bought this item also bought:
1. Digirail-2A, 2 Channel Universal Analogue Input Module; Modbus I/0
2. DigiRail-4C, Channel Digital Input/Counter Module; Modbus I/0
3. Novus USB-i485, USB converter to dual RS485 Isolated Ports

DigiRail-2R Manual (17-10-13)

Click here to download the DigiRail-2R Manual (17-10-13)
DigiRail-2R Communications Manual (17-10-13)

Click here to download the DigiRail-2R Comms Manual (17-10-13)
DigiRail-2R Declaration of Conformity (17-10-13)

Click here to download the DigiRail-2R Declaration of Conformity (17-10-13)
DigiConfig Configurator V1.61 (1-10-2013)
DigiRails, DigiGate, Transmissor RHT-485-LCD, AirGate-Modbus, RHT-Air and AirGate-GPRS configuration software. Windows® 8 compatible.
Click here to download the DigiConfig Configurator V1.61 (1-10-2013)

Novus Automation UK | Modbus I/O  | DigiRail |  DigiRail-2R