How do I reset the SDM230 to its default configuration?

What is the default configuration for the SDM230?

By default, the SDM230 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
00	Voltage	V
02	Current	A
03	Power Factor	-
01	Frequency	Hz

How to set the default configuration for the SDM230

Unlocking the device

To send downlinks that reconfigure your SDM230 to the default settings, the device must first be unlocked. This is done by reading the password and then writing it back to the device. To perform these steps, you can send the following downlinks.

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

01 03 00 18 00 02 44 0C

01 10 00 18 00 02 04 44 7A 00 00 C6 2C

If you are unsure whether the meter configuration has been unlocked, you can send the following command.

01 03 00 0E 00 02 A5 C8

Receiving the following uplink indicates that the device is unlocked.

01 03 04 3F 80 00 00 F7 CF

The following uplink indicates the device is still locked.

01 03 04 00 00 00 00 FA 33

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

0110FE02000F1E0E00020301FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF1AD8

0110FE01000102001E3846

0110FE1300010200FFFB7C

Updated on: 14/05/2025