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QContax DLog

QContax DLog power supply – Niagara Data Logger.


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SKU: QL-CTX-DLOG Category: Tag: Brand: QuickLink


The QContax DLog gateway is a data logger interface for energy or process monitoring without installing a field controller (PLC).

Data are captured by multiple Modbus devices (multimeters or I/O modules), encrypted and stores in the integrated SD Card. Then the data are sent via a periodic export process to the Niagara service, installed on a remote server. This service allows simultaneous management of data logging and data analysis from multiple QContax DLog interfaces.

The data logger is easily configurable via a web interface; it is possible to define the operating parameters – sample records, sampling interval, the size/number of records to be memorized on the history – up to a maximum of 5000 records for each log. The Niagara service allows to receive data from the data logger with the possibility of configuring measurement units, time zones, conversion and data aggregation functions for each log.


  • 1 x ETHERNET 10/100 Mbit/s port.
  • 1 x RS485 port (Modbus Master), dedicated serial port for communication bus to field devices. Opto-isolated.
  • SD card slot for firmware update and historical data storage.
  • Communication status LEDs.
  • Real Time Clock with integrated backup battery.
  • Update date and time through NTP client.
  • Web configuration interface or alternatively Telnet.
  • Persistent data storage through industrial SD cards.
  • Data encryption saved on SD card.



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