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Questions and comments about Gurux Network Media Component.

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By anne, 30 March, 2026

Se connecter à plusieurs compteurs sur la même adresse IP et le même port.

Forums
Gurux.Net

Bonjour, j'ai 350 compteurs smartESOX de chez APATOR et 33 concentrateurs.
Cependant je n'arrive pas à me connecter à plusieurs compteurs sur la même adresse IP et le même port. J'ai donc crée un programme de test qui est composé de 3 compteurs qui partagent la même adresse ip et le même port.
Je réussi à me connecter au premier compteur mais les deux autres compteurs échouent au niveau de _reader.InitializeConnection(); .
Vous trouverez ci dessous le code de mon programme de test. j'utilise c#

*MeterConnection*

By jimmywoon, 29 January, 2026

Assistance Needed: GuruxDLMS Data Reception Issue After Moxa NPort Conversion

Forums
Gurux.Net

I’m currently working with an Itron SL7000 energy meter, which is connected to a Moxa NPort device via a serial COM port. The Moxa device converts the serial data to TCP and transmits it over port 4002 (IP: 10.100.121.101).

I’ve successfully tested the setup using the Ace Vision Web application, confirming that data is correctly transmitted from the source through the Moxa converter via HDLC tunneling over TCP. This indicates that the communication path from the energy meter to the Moxa device is      functioning properly.

By NordicRelay, 21 January, 2026

Auto‑Connect class

Forums
Gurux.Net

I would like to ask about the implementation of the Auto‑Connect class in Gurux. Is it possible to simulate this class in the Gurux DLMS Simulator? My goal is to create a program that can simulate GPRS‑style sending and receiving, and I am specifically interested in the byte‑level packet behavior.

I also have a question regarding Protocol‑E communication. After the meter switches to the new baud rate, I am not receiving the expected ACK frame. Could you clarify what might cause this issue or what the correct sequence should be?

Thank you.

By Harshi_554, 20 January, 2026

DLMS Client–Server Communication Over GPRS Fails With Dynamic IP

Forums
Gurux.Net

I need to simulate a DLMS meter using DLMS server application using C and GPRS communication. I have compiled the source code without any errors.

I tried to run DLMS client application(python) and DLMS server application(C) in two different boards. But the connection establishment is failing. Can you guide me on how to establish connection between client and server using GPRS?
Dynamic IP address is assigned on both boards.

Im getting following error when I tried to read the data from other board (meter simulator)

By siddhant singh, 11 December, 2025

Gurux.Net

Forums
Gurux.Net

Questions about Gurux Net Media Component. Because we are able to receive data in Receive function

By daniel.hinterlechner, 6 August, 2025

Connect to ISKRA meter

Forums
Gurux.Net

Hello,

I was able to connect to an ISKRA MT880 meter via GXDLMSDirector with parameters: -h 172.18.54.201 -p 4002 -c 1 -s 164 -a Low -P 12345678 -d Italy -w 1 -f 154 -t Verbose

If I try with C# code I am not able to connect. What am I missing?
Thanks
// Konfiguration für MT880 Zähler
string meterIpAddress = "172.18.54.201"; // Config 2 IP
int port = 4002;
int clientAddress = 1;
int serverAddress = 36;
string password = "12345678"; // Config 2 Passwort

By Yamini, 28 June, 2025

Read the push object list

Forums
Gurux.Net

Hi

I want to read push object list by using this code

GXDLMSPushSetup push = new GXDLMSPushSetup("0.0.25.9.0.255",3);

GXDLMSPushSetup clone = (GXDLMSPushSetup)push;

clone.GetPushValues(client, (List<object>)notify.Value);

foreach (KeyValueP<GXDLMSObject, GXDLMSCaptureObject> it in clone.PushObjectList)
{
int index = it.Value.AttributeIndex - 1;
Console.WriteLine(((IGXDLMSBase)it.Key).GetNames()[index] + ": " + it.Key.GetValues()[index]);
}

By gbkachhia@yaho…, 6 June, 2025

Not able to read all 25,000 virtual meters created using 'Gurux.DLMS.Simulator.net'

Forums
Gurux.Net

I have created 25,000 virtual meters using 'Gurux.DLMS.Simulator.net' but not able to read all meters simultaneously. it is randomly fails. success count is randomly changing from 5% to 40%. Majority meters are not replying any response and I am getting timeout error.
I have already tuned up all TCP connection settings & concurrent settings, so there is no configuration related issue at OS level.

Help me to solve this issue.

By gxjason, 3 June, 2025

Inconsistent Readings Conversion Between Director and Programming Library Functions

Forums
Gurux.Net

Dear Mikko,

Related to an itron (SL7000) meter's reading, it was observed a slight inaccuracy of conversion from hex to readings from programming (C#), as opposed to displaying values from Director.

By gxjason, 26 May, 2025

Access Violated Error Reading ProfileGeneric via Code, but Ok via Director (itron SL7000)

Forums
Gurux.Net

Dear Mikko,

Hi, I faced a strange issue.
I used Director and was able to connect with the meter (itron SL7000).
I can even read the profile generic of the Load Profile 1.
All good.
The params are as follows:

-h xxx.xxx.xxx.xxx -p 7623 -c 1 -s 145 -a Low -P XXXXXXXX -w 1 -f 128

However, when I use the API library via .net coding, I am unable to read the profile generic with the following error:
"Gurux.DLMS.GXDLMSException: Access Error : Device reports scope of access violated."

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