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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 DMG800 Serial Parameters
 

Lovato RGK 800 Connection Setup

supported-devices
Wiring Diagram
1. Connect power to the Gateway.
Power Polar Gateway

Connect the gateway to a 12-24 V DC power supply. Connect the positive wire to the positive outlet and the negative wire to the negative outlet.

2. Connect RS-485
RS-485 Connection

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 device make sure you have done everything correctly in the previous steps.
 
  • Make sure the power is OFF while doing the cable wiring.
  • Re-check if there are no short circuits.
  • Check if the power cables are tightly connected.
  • Re-check the RS-485 twisted pair cables is correctly connected A+ to A and B- to B.
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

Name

Description

Parameter

Default

Required

Communication Address

Node Serial Address

P20.n.01

1

1

Serial Speed

Baud Rate

P20.n.02

9600

9600

Data Format

Communication Parity

P20.n.03

8bit – n

8bit-n (No Parity)

Stop bits

Communication Stop Bits

P20.n.04

1

1

Protocol

Communication protocol

P20.n.05

(Various)

Modbus RTU

6. Click to button on the right to setup your device on the PolarPortal…
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