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Lovato RGK 800 generator controller

This guide will show you how to connect the Polar Monitoring Gateway to the Lovato RGK 800 generator controller. It will also take you through the setup and parameters required on the Lovato RGK 800 to ensure communications to the Polar Gateway.

Steps to follow:

  1. Connect power to the Gateway.
  2. Connect RS-485.
  3. Final checks.
  4. Power on the system.
  5. Configure the RGK800 Serial Parameters
 

Lovato RGK 800 Connection Setup

RGK800 Wiring Diagram
Wiring Diagram
1. Connect power to the Gateway.
Power Polar Gateway

Connect the Polar Gateway to a 12-24 V DC power supply. Connect the positive wire to the positive terminal and the negative wire to the negative terminal.

2. Connect RS-485
Polar Gateway RS-485

Connect the Modbus cable to allow communication with the polar gateway device. Connect A+ to A and the B- to B.

3. Final checks
Before you switch on the Gateway and the device make sure you have done everything correctly in the previous steps.
 
  • Make sure the wiring is secure – no short circuits.
  • Check if the power cables are not loosely wired to the Gateway.
  • Check if the power cables are not loosely wired to the device.
  • Re-check the RS-485 twisted pair cable is correctly wired.
4. Power on the system.

Now you are ready to go, you can now switch on the power to make some configuration changes for your Polar Portal. 

5. Configure RGK 800 Serial Parameters
In order for the Gateway to correctly communicate with the Lovato RGK 800 controller, there will need to be some changes made to the communication parameters. 

Note: It is critical to change the default settings to reflect the table below.

Serial Communication Setup

NameDescriptionParameterDefaultRequired
Communication AddressNode Serial AddressP20.n.0111
Serial SpeedBaud RateP20.n.0296009600
Data FormatCommunication ParityP20.n.038bit – n8bit-n (No Parity)
Stop bitsCommunication Stop BitsP20.n.0411
ProtocolCommunication protocolP20.n.05(Various)Modbus RTU
6. Click to button on the right to setup your device on the PolarPortal…
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