Electrex - Meters & Sensors

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This article describes the Electrex Meters and sensors that are integrated with DEXGate or DEXGate2. The article is divided into the following sections:

Electrex Femto D4



Manufacturer: Electrex
Web: www.electrexworld.co.uk
Product and variants: Femto D4
Description: Femto D4 is a three-phase DIN-rail energy analyzer.
Measures: Electrical parameters
Compatible using: DEXGate & DEXGate 2

Electrex Femto D4 - Quick Install Guide

To follow this guide you will need:

  • 1 x DEXGate
  • 1 x Femto D4
  • 1 x USB-RS485 adapter
  • 1 x Computer
  • 1 x Ethernet Cable

Installation:

  1. Install the current transformers following the following diagram:
    01_fa8604cbbe608f4911994fc7f2759aa28777f049d9593d67348204e255a9b187.png
  2. Connect the orange USB cable to the A connector, the yellow cable to the B connector and the black cable to the GROUND connector:
    02_06209df3ed394dcb35fdbdd3823f2cf637ec47fa408765bd54c90a035e335e51.png
  3. Power up the meter.
  4. Access the setup menu and configure the Modbus address.
  5. Configure the current transformers factor.
  6. Reset meter values.
  7. Power up the DEXGate.
  8. Connect the USB-RS485 cable to the DEXGate.
  9. Connect the Ethernet cable to your computer and the ETH1 port of the DEXGate.
  10. Access the web administration interface of the DEXGate (http://172.16.0.1).
  11. Log in (the default username and password are admin/admin).
  12. Go to the "Bridge Configuration" section.
  13. Edit the line:
    devices.electrex-femto=
    to look like this:
    devices.electrex-femto=10
    It means that there is a Femto in ModBus address 10.
  14. Save.
  15. Restart the Modbus bridge or the DEXGate.
  16. You're done!

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