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Woodward easYgen-3000 Series Generator Controllers

This guide will show you how to connect the Polar Monitoring Gateway to the Woodward easYgen-3000 series generator controllers. It will also take you through the setup and parameters required on the easYgen 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 easYgen Serial Parameters
 

Woodward easYgen Connection Setup

Woodward 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 outlet and the negative wire to the negative outlet.

2. Connect RS-485
Polar Gateway RS-485
Woodward Polar Wiring

Connect the Modbus cable to allow communication with the Polar Gateway. Connect A+ to B'(TxD+) and the B- to A'(TxD-).

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 easYgen Serial Parameters
In order for the Gateway to correctly communicate with the Woodward easYgen 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
AddressDevice ID/Unit ID/Node IDModBus Slave ID (3188)11
Baud RateCommunication SpeedBaudrate (3170)19.29.6
ParityError-checking processParity (3171)NoNo
Stop bitEnd of data transmissionStop bits (3172)OneOne
ProtocolCommunication protocolEnable Modbus protocol (7908)YesYes
Full/Half duplexCommunication protocolFull-, halfduplex mode (3173)FullduplexHalfduplex
6. Click to button on the right to setup your device on the PolarPortal…
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