Homegrid Web App Install Guide - Firmware Update for EMS

Modified on Wed, 19 Jun at 11:28 AM

Introduction

The new HomeGrid remote monitoring application is now available for the HomeGrid Stack’d series (Generation 3)

A new version of FW is required on the BMS EMS Screen.  This will ensure the Homegrid Data is forwarded to the correct AWS server.


Hardware Equipment required: 

1: USB CAN Tool (Supplied by HomeGrid Customer Support)  

2: PC/Laptop running windows 


Software and Firmware Equipment required: 

1: EMS Firmware : EMS_V2_firmware_3001_1.1_V1.119-Lithion.bin (Current 10th June 2024)

2: EMS Firmware : EMS_V2_firmware_3001_1.1_V1.098-Lithion.bin (to roll back to if required)

3: HomeGrid AWS IoT and Battery WIFI Configuration Software

4: USB Can tool Drivers

5: USB CAN programming software (Upgrade Tools-en V1.6)

 

A guide to getting the USB CAN tools up and running can be found from the HomeGrid support page :

https://lithionbattery.freshdesk.com/support/solutions/articles/73000609244-usbcan-tool-setup-updating-firmware-gen-3-april-2023-ver-2-0-

Installers should be experience with Firmware operation in the Homegrid Stack’d series products.


3 Basic steps are required 

1: Update of EMS Firmware to new HomeGrid Web App version using USB CAN tool

2: Connect the HomeGrid stacked series online using additional Home Grid Wifi Application

3: Add the systems to the user account on the Webpage. 

Connect the USB CAN tool to the USB on your Laptop and DBG-COM Port on the rear of the HomeGrid BMS.


Step 1: Update of EMS Firmware to new HomeGrid Web App version using USB CAN tool

Follow the instruction in the other document…… to setup the device, drivers and physically connect the USB-CAN tools to the Homegrid BMS.

Run the application : 

 

1: Turn on the device (Green circle should illuminate, TurnOffDevice is now dispplayed)

2: Select the EMS FW file from your saved location (EMS_V2_firmware_3001_1.1_V1.119-Lithion.bin)

3: Ensure Protocol version V2 is selected 

4: Ensure Target Board is EMS

5: Select “Start”

The status bar along the bottom of the program should indicate the FW is loading, this will take a few minutes.

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Once the FW has been successfully loaded the status bar is full.

Update Complete & Terminate Update is displayed on the State box on the RHS.

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You can verify that firmware has been updated by enabling ‘Firmware Detection’ mode on the BMS. This will put the BMS in a loop sequence displaying the firmware currently installed. 

First, you’ll need to change your ‘INV SET’ settings on the BMS Controller.  The setting is 101111 or all dipswitches UP except for dipswitch #2 (See image below) 

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Below are snapshots of firmware currently installed on this stack.  BMS Display (101) is showing 01051 (V1.051) Once verified, you can revert to the original ‘INV SET’ setting you had previously. The update is complete.

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Step 2: Connect the HomeGrid stacked series online using additional Home Grid Wifi Application

 

With the USB-CAN tool still connected 

     Open the HomeGrid Wi-Fi Setup application. A wifi symbol with an arrow

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1: Open CAN

2: Read Battery 

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The Device serial number should be displayed, verify this is the same as the label displayed on the side of the BMS.

Enter the WIFI SSID

Enter the WIFI Password

Save to Battery 

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Verify the unit has connected to the local Wi-Fi network set the inverter DIP switches 

1&2 Down 3-6 UP

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