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Regarding the dlms android project

By atuldd, 16 April, 2025
Forums
Gurux DLMS for Android

cannot able to understand the flow of meter communication in gurux android project
trying to connect with lnt meter but it is not getting open and read from the android application

Profile picture for user Kurumi

Kurumi

3 weeks 5 days ago

Hi, DLMS is not an easy…

Hi,

DLMS is not an easy protocol.

Read this first:
https://www.gurux.fi/DLMSCOSEMFAQ

This describes the steps that you need to take to read DLMS meter.

https://www.gurux.fi/Gurux.DLMS.Client

I also recommend downloading GXDLMSDirector and using it to read your meter first. This will help you get a better understanding of how your DLMS meter works.

BR,
Mikko

atuldd

3 weeks 5 days ago

I would like to understand…

I would like to understand the correct steps to read data from an L&T DLMS meter using the Gurux DLMS Android application.

In the Media Settings, I’ve selected:

Port: FT232 Serial (UART) IC

Baud Rate: 9600

In the Manufacturer settings, I’ve chosen LNT.

However, I'm not sure what exactly needs to be configured under the Meter Settings section. When I try to read data, I receive a toast message saying:
"Failed to receive reply from the device within the given time."

To proceed further, I feel it would be very helpful to understand the application flow and the correct sequence of configurations for successful communication with the meter.

I would greatly appreciate your assistance and guidance on this.

Profile picture for user Kurumi

Kurumi

3 weeks 5 days ago

Hi, The settings depend on…

Hi,

The settings depend on the meter and manufacturer.
It might be that the baud rate is something else than 9600.
Try to read your meter with GXDLMSDirector first.

BR,
Mikko

atuldd

3 weeks 4 days ago

In GXDLMSDirector, I was…

In GXDLMSDirector, I was able to successfully read data without explicitly setting the baud rate. However, in the Android application, selecting a baud rate is mandatory — there's no option to leave it unset. Even after selecting the some options as used in GXDLMSDirector, the Android app fails to retrieve any data.

Profile picture for user Kurumi

Kurumi

3 weeks 4 days ago

Hi, Please, don't create…

Hi,

Please, don't create multiple topics from the same question.
I answered your question here:
https://gurux.fi/node/33388

BR,
Mikko

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