How to change inverter S/N on off grid inverter
SPF 5000ES/SPF 5000TL HVM WPV/SPF 5000TL HVM use com tool to modify inverter S/N; SPF 3000TL HVM 24/48 use modscan software to modify inverter S/N.
tool Download
Com Tool
modscan32 V7 A004 Download
SPF 5000ES/SPF 5000TL HVM WPV
Procedures:
1. Connect USB cable into inverter
![](https://www.amosplanet.org/wp-content/uploads/2022/07/离网机升级线-1-768x1024.jpg)
![](https://www.amosplanet.org/wp-content/uploads/2022/07/16505461161-1.png)
2. Open com tool
![](https://www.amosplanet.org/wp-content/uploads/2022/07/1659063456555.png)
3. Select com port on device manager
Please follow the guide below about how to open device manager
https://www.lifewire.com/how-to-open-device-manager-2626075
![](https://www.amosplanet.org/wp-content/uploads/2022/07/1659063717316.png)
4. Select Baud rate 9600 on device manager
![](https://www.amosplanet.org/wp-content/uploads/2022/07/1659063753751.png)
5. Select these options below( Defaul options )
![](https://www.amosplanet.org/wp-content/uploads/2022/07/1659063889502.png)
6. Type QSN ( Query inverter S/N)
It will display current inverter S/N
![](https://www.amosplanet.org/wp-content/uploads/2022/07/1659063976564.png)
7. Type pSN+new inverter S/N
![](https://www.amosplanet.org/wp-content/uploads/2022/07/1659064406665.png)
8. video Instruction
SPF 2000-3000 TL HVM 24/48 and sPF 5000TL HVM
Procedures:
1. Connect USB cable into inverter USB port
2. Open modscan32
![](https://www.amosplanet.org/wp-content/uploads/2022/07/1659065016484.png)
3. Type Registration information
![](https://www.amosplanet.org/wp-content/uploads/2022/07/1659065058031.png)
4. enter ModScan
![](https://www.amosplanet.org/wp-content/uploads/2022/07/1659065133898.png)
5. Click “Connection”
![](https://www.amosplanet.org/wp-content/uploads/2022/07/1659065284755.png)
6. Click “Connect”
![](https://www.amosplanet.org/wp-content/uploads/2022/07/1659065386456.png)
7. Set correct parameter on Connect
![](https://www.amosplanet.org/wp-content/uploads/2022/07/16425057211-1.png)
a. Select correct com port on device manager, you can follow the link below about how to open device manager
https://www.lifewire.com/how-to-open-device-manager-2626075
![](https://www.amosplanet.org/wp-content/uploads/2022/07/1659065551343.png)
b. Set correct baud Rate etc.
![](https://www.amosplanet.org/wp-content/uploads/2022/07/1659065654985.png)
8. select Setup->extended->Preset Regs
![](https://www.amosplanet.org/wp-content/uploads/2022/07/1659065832264.png)
![](https://www.amosplanet.org/wp-content/uploads/2022/07/1659065887138.png)
Slave Device: Default value 1
Address: 24 Register address
Number of Points: 5 Register length
9. Set inverter S/N
![](https://www.amosplanet.org/wp-content/uploads/2022/07/1659066119003.png)
24-28 register address store inverter S/N HEX value
Example: YXDFBF301Y
![](https://www.amosplanet.org/wp-content/uploads/2022/07/image-55.png)
You need to convert ASCII into HEX value like below:
24 Register address: YX HEX: 5958
25 Register address: DF HEX: 4446
26 Register address: BF HEX: 4246
27 Register address: 30 HEX: 3330
28 Register address: 1Y HEX: 3159
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