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HOWTO: DEXGate1 CVM-Mini quick install guide

Last Updated: Mar 15, 2016 12:03PM CET
To follow this guide you will need:
  • 1 x DEXGate1
  • 1 x CVM-Mini
  • 1 x USB-RS485 addapter
  • 1 x Computer
  • 1 x Ethernet Cable
  1. Install the current transformers following the following diagram:
  2. Connect the orange usb cable to the A connector, the yellow cable to the B connector and the black cable to the S connector. The following schema is for DEXGate1 ONLY:
    Circutor cvm mini rs485
  3. Power up the meter
  4. Access to set up menu and configure ModBus address
         Set up menu: RESET button, then SETUP (long press)
         Set up params:
              -set Cdef: use default configuration (ModBus address=1, rate=9600, parity=no, bits=8, stop bits=1)
              -set nper: ModBus address
              -set baud: rate
              -set pari: parity
              -set stop: stop bits
  5. Configure current transformers factor
         Set up menu: SETUP (long press)
  6. Reset meter values
         Reset energy values: CLEAR ENERGY button (long press)
         Reset max values: CLEAR MAX PD button (long press)
  7. Power up the DEXGate1
  8. Connect the USB-RS485 cable to the DEXGate1
  9. Connect the Ethernet cable to your computer and the ETH1 port of the DEXGate1
  10. Access the web administration interface of the DEXGate1 (
  11. Login (the default username and password are admin/admin)
  12. Go to the "Bridge Configuration" section
  13. Edit the line:
    to look like this:
    where 1 is the ModBus address
  14. Save
  15. Restart the modbus bridge or the DEXGate1
  16. You're done!

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