How to modify model number on MAX 50-80K TL3 LV

How to modify model number on MAX 50-80K TL3 LV

1.What’s Model Number?

Model number has defined some basic functions like ISO, GFCI, PID, AFCI, Power segment etc. If you want to disable or enable these functions, you can modify model number. Like Model A0B0D0T4PFUDM8S1

How to analyze issue of max series based on History data

Method 1

If you have USB-485 or USB-232-485 tool, you can set it via Shinebus

1. Tool

2. Download Shinebus

3. Connect USB-485 Or USB-232 Device Into MAX Inverter

4. Open Shinebus Tool

1) Port

You can find com port via https://www.lifewire.com/how-to-open-device-manager-2626075

2) Baudrate

Default value is 9600

3) Address

Default address 0, you had better confirm com address on inverter. Sometimes default address can’t work.

4) Period

Default value is 1000 (ms)

5) Select Corresponding Inverter Model

Select MAX below

6) Click Start, And Confirm If You Can Read Inverter Data

5. Modify Model Number

Type Correct Mode Number in Mode Column

6. Click Set

Method 2

You can set model number via USB-WIFI or on your installer account or distributor account or end user account( server.growatt.com) , actually all 3 types are same, all require you to modify register address.

1. Register address related with model number

Register address 28: Model high Bits ( A*B*D*T* )

Register address 29: Model low Bits ( P*U*M*S )

2. Register Address Value caculation

1) Register address 28

For Example, A0B0D1T0

HEX Value: 0x0010

We need to convert HEX Value into Decimal Value. Its Decimal Value is 16

2) Register address 29

For Example, PFU1M3SA

HEX Value: 0xF13A

We need to convert HEX Value into Decimal Value. Its Decimal Value is 61754

3. Set above Decimal value on 28, 29 register address

1) Via USB WIFI

a. USB-WIF and Shinetool Introduction

USB-WIFI and shinetool introduction for MAX,MOD-X

b.When you open Shinetool, Advanced option can be clicked,then you will see below

Command type: 3 or 6,

3 means to read the value on register address

6 means to write the value on register address

Register address: 28 or 29

Length/Data:

Decimal Value above

2) Via Distributor or installer account

How to Set Inverter Parameters Via Installer Or Distributor account

3) Via end user account

access server.growatt.com

Click settings