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SMARTRAIL-SDL DIN Rail RS485 Datalogger

The SMARTRAIL-SDL Datalogger is a low-cost solution for remotely monitoring Smart Process digital power meters equipped with Modbus RS485 RTU.

This devices utilises the SIGFOX™ network to transfer data wirelessly from meter to the cloud. This data can be presented using our software, or if preferred, it can be provided in a raw format such as a CSV file allowing you to present the data through your own software. 

SIGFOX™ is a leading cellular network dedicated to low bandwidth communications for connected devices. Its technology is particularly suited to connecting objects requiring a low-cost data transfer. This technology also eradicates the requirement for a SIM card.

The SMARTRAIL-SDL is specifically designed to enable a simple, low cost, remote wireless management solution that does not require specialist technical skills for installation.


  •  Wireless Data Transfer
  • SIGFOX™ Network Connectivity
  • Up to 3 Inputs Available
  • Remote Monitoring Solution
  • Minimal Data Charges
  •  No Software / Licence fees

The SMARTRAIL-SDL can take up to 3 parameter inputs through Modbus RS485 from the following list:The SMARTRAIL-SDL can take up to 3 parameter inputs through Modbus RS485 from the following list:

  • Total Active Energy (Σ kWh)
  • Import Active Energy (kWh)
  • Export Active Energy (kWh)
  • Current (A)
  • Voltage (V)
  • Instantaneous Power (kW)
  • Power Factor (PF)
  • Frequency (Hz)
This can be 3 parameters from 1 meter, or 1 parameter per meter from 3 meters.

The SMARTRAIL-SDL also has the facility to take 2 pulsed inputs for legacy meters such as water, heat or electricity meters that do not have Modbus RS485 communications.

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