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# How do I reset the SDM320 to its default configuration?


## What is the default configuration for the SDM320?

By default, the SDM320 is configured with the following settings.

| Setting | Default Value |
| ---- |
| Upload Interval | 30 mins |
| Parameters per Uplink | 5 |
| Offline Detection | 255 mins |

The default parameters, sent every upload interval (30 minutes by default), are as follows.

| Register | Parameter | Unit |
| ---- |
| 0E | Total kWh | kWh |
| 12 | Relay state |  |
| 13 | DI- State |  |
| 04 | Active Power | W |
| 02 | Current | A |
## How to set the default configuration for the SDM320

### Unlocking the device

To send downlinks that reconfigure your SDM320 to the default settings, the device must first be unlocked. This is done by setting the KPPA (Key Parameter Programming Authorisation). To perform these steps, you can send the following downlink.

```
01 10 00 0E 00 02 04 44 7A 00 00 47 0A
```

Receiving the following uplink indicates that the device is unlocked.

```
01 10 00 0E 00 02 20 0B
```

### Setting the default configuration for the device

Once the device is unlocked, the following downlinks can be sent to reset the device to its default configuration.

||| Make sure to wait for a response uplink after sending each downlink

```
0110FE1200010200057AEE

0110FE02000F1E0E12130402FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF43CB

0110FE01000102001E3846

0110FE1300010200FFFB7C
```