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Invertek Optidrive P2 Variable Speed Drives

This guide will show you how to connect the Polar Gateway to Invertek Otidrive P2 Variable Speed Drive. It will also take you through how to setup the parameters required on device to ensure communications to the 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 Invertek Optidrive P2 Serial Parameters

Ivertek Optidrive Connection Setup

Invertek Optidrive Wirng Diagram
Wiring Diagram
1. Connect power to the Gateway.
Power Polar Gateway

Wire 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

Wire the RS-485 cable to allow communication with the Polar Gateway device. Connect A+ => RJ45 pin 8 and B- => RJ45 pin 7.

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 Variable Speed Drive.
  • Re-check the RS-485 twisted pair cables is correctly connected A+ => RJ45 pin 8 and B- => RJ45 pin 7.
4. Power on the system

Now you are ready to go, you can now switch on the Polar Gateway and the Invertek Optidrive P2.  

5. Configure Invertek Optidrive P2 Serial Parameters
In order for the Gateway to correctly communicate with the Invertek P2 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

Serial AddressDrive Fieldbus AddressP5-0111
Baud RateCommunication speedP5-03115.29.6
Data FormatModbus telegram dataP5-04n-1 = No parity, 1 stop bit
Command ModePrimary Command Source ModeP1-1204=Fieldbus Control
Digital Inputs Function SelectDigital Inputs Function SelectP1-1301
Extended Menu Access CodeExtended Menu Access CodeP1-140201

You may now sign in to the Polar Portal to monitor the device remotely, the button on the right will take you through a setup process.

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