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Deep Sea Electronics DSE 7320 generator controller

This guide will show you how to connect the Polar Monitoring Gateway to the DSE 7320 generator controller. It will also take you through the setup and parameters required on the Deep Sea Electronics DSE 7320 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 DSE 7320 Serial Parameters

DSE 7320 Connection Setup

DSE 7310 - Wiring Diagram
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
DSE 7310 RS-485 connection

Connect the Modbus cable to allow communication with the polar gateway device. Connect A+ => 58 and B- => 57.

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 not loosely wired to the Gateway.
  • Check if the power cables are not loosely wired to the Generator Controller.
  • Re-check the RS-485 twisted pair cables is correctly connected A+ => 58 and B- => 57.
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 DSE 7320 Serial Parameters
In order for the Gateway to correctly communicate with the DSE 7320 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





Slave ID

RS-485 Slave ID



Baud Rate

Baud Rate



Port Usage

Communication protocol

No Modem





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