Novus DigiRail 4C Quad Digital Input Modbus Module

In stock (23 items available)
  • Weight
    0.15 kg
  • SKU

The Novus DigiRail 4C is a quad input counter and digital input module. Counts at up to 100 kHz (input 1 only), with 32-bit counting registers. Outputs Modbus RTU over RS-485.

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  • $140.09

This module can be used to monitor the status of digital inputs or count pulses.


  • LED indicators for communication and status.
  • Key for resetting communication parameters to original factory default.
  • Windows based configurator software.

Power: 10 to 35 VDC

Power consumption: 50 mA 

Digital inputs:

  • Logic level 0: 0 to 1 VDC
  • Logic level 1: 4 to 35 VDC

Maximum count frequency: 1000 Hz (For signals with square wave and working cycle of 50%) 

Note: Input 1 can be configured for counting signals of up to 100 kHz 

Counting capacity: 32 Bits (per input)

Serial communication: RS485 at two wires, Modbus RTU protocol. 

Isolation: 1000Vac from inputs and power or communication.

Configurable parameters: 

  • Communication speed: From 1200 to 115200 bps
  • Parity: even, odd or none 

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 35 mm rail

Dimension: 78 x 72 19 mm

Faulty Goods and Warranty

Where such goods have been supplied we undertake to repair or replace them as quickly as possible.Prior to returning faulty items, please contact us with a description of the fault as one of our engineers might be able to assist you by resolving the issue over the phone.
A Warranty form must be filled out and returned with any goods.

Our standard warranty period is 12 months from the date of purchase unless stated otherwise.

Other warranty periods:

Labjack Products: 5 Years
Atop Products: 3 Years
MeanWell Products: 3 Years
Terracom Products: 3 Years

Warranty is subject to us being satisfied that a defect was caused by defective workmanship or materials and was not caused by or was not substantially contributed to by other factors beyond our control including incorrect installation, alterations or modifications of the product not recommended by the manufacturer.

Returns Policy

If you are dissatisfied with our goods you may return them within 14 days of the dispatch date. Contact us for an authorisation and we will refund your purchase less shipping costs and restocking fees. All returned goods MUST be in AS NEW condition including ALL PACKAGING and DOCUMENTATION / MANUALS etc.

Please note:

  • The product returned will attract a 20% restocking fee.
  • The customer must pay the delivery costs.
  • Non standard, custom made or a specially manufactured or imported products are not returnable.
  • Semiconductors, books and software are not refundable

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