Skip to main content
Home
for DLMS smart meters
Open source solutions for DLMS smart metering

Main navigation

  • Home
  • Products
  • About us
  • Open Source
  • Community
  • Forum
  • Downloads
User account menu
  • Log in

Breadcrumb

  1. Home
By technoshell , 8 June, 2025

Arduino code issue

Forums
Gurux.DLMS

I am using Arduino client code on ESP32 to read meter in MR mode with LLS.
I downloaded the latest version of Arduino and using MR association with encryption. I get a message on terminal as

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 L0uisc_iot , 6 June, 2025

OBIS codes mismatch between GXDLMSDirector and Landis+Gyr Map110

Forums
DLMSDirector

Hi everyone!

We have noticed that the OBIS of the capture objects differ between the Map110 and GXDLMSDirector tools.

The Map110 UI scales the values, while GXDLMSDirector does not. However, if the scalars for each of the registers are read and applied to the GXDLMSDirector values, you'll see that the values are identical. The active and apparent power registers have a scalar of 0.1, which is further scaled by 0.001 to get kW and kVA instead of W and VA in Map110. Current and voltage both have a scalar of 0.01.

We need to confirm the following:

By Dmitry , 6 June, 2025

Not all data in Gurux DLMS Director

Forums
Gurux.DLMS

Hi, Mikko!

I fill Profile Generic class mydata (3 rows), but on read from Gurux DLMS Director shows two rows.

Exchange:
7ea04daceb61ba49b9e6e600c001c100070100620200ff0201010204020412000809060000010000ff0f02120000090c07e90603ff000000ffff4c00090c07e90606ff001400ffff4c000100f9737e

7ea88761acebda51b7e6e700c402c101000000010081ea01020215090c07e9060302150001000000001741a24189173f42d0e517408f4bc71741701062173d1fbe77173e3b645a173e147ae11700000000173d1ba5e31700000000173f14fdf4173f09374c173c03126f173d1ba5e317000000001741d0999a174082c08317409c6a7f17411528197e

By Harshi_554 , 5 June, 2025

DLMS server connection using serial port

Forums
Gurux DLMS for ANSI C

Hi,

Is it possible to communicate with the dlms server (which I'm using as virtual smart meter using PC) using serial port connection from dlms client?

By technoshell , 5 June, 2025

Serial Number Data Type

Forums
Gurux.DLMS

Good Morning Sir,

I am using Arduino client code on ESP32 to read meter in MR mode with LLS. I am able to read the Manufacturer name and Active Energy successfully. But when I read Serial Number with obis code 0.0.96.1.0.255 I get the ASCII string on HPL meter but a Octet String on Secure Meter.
I use the code as under
cosem_init(BASE(ldn), DLMS_OBJECT_TYPE_DATA, "0.0.96.1.0.255"); // OBis for Serial No
com_read(BASE(ldn),2); // Read
obj_toString(BASE(ldn), &data);

By Usuhuu , 5 June, 2025

Holley DTSD545S

Forums
DLMSDirector

Hi
I am using DLMSDirector and RS-485 to get data from Holley DTSD545S meter. But when i am trying to connect "Failed to receive reply from the device in given time " error appeared. What should I do?
here is my device properties:
https://www.dropbox.com/scl/fi/zjyqh2jrb6x3dzfn74mzs/Gurux-device-prope…

By danil1234 , 4 June, 2025

DLMS Short Name parsing issue: object 1.0.15.8.0.255 assigned SN = 0

Forums
Gurux.DLMS

Hello,

I'm using the following versions of the Gurux Python libraries:

gurux-dlms==1.0.181

gurux-common==1.0.13

gurux-net==1.0.22

gurux-serial==1.0.2

My DLMS meter only supports Short Name (SN) referencing, and I use the Python SDK (GXDLMSClient) to read register values.

During association view parsing (getAssociationView() → parseSNObjects()), I observed that the object with OBIS code 1.0.15.8.0.255 is returned with short name = 0, while all other similar objects are assigned valid short names (24, 48, etc.).

By Harshi_554 , 4 June, 2025

Accessing data from simulated meter

Forums
Gurux DLMS for ANSI C

Hii ...
I have successfully compiled the client and server source code from dlms c libraries. I am using server source code as simulated smart meter in my PC (I'm not using real smart meter). How to setup the tcp port (both client and server side) and access the data from simulated smart meter ?

By Administrator , 4 June, 2025

gurux.dlms.c 9.0.2506.0401

The following important issues are resolved in this version:
User list issue fixed to Italy standard.

Pagination

  • First page
  • Previous page
  • …
  • Page 45
  • Page 46
  • Page 47
  • Page 48
  • Page 49
  • Page 50
  • Page 51
  • Page 52
  • Page 53
  • …
  • Next page
  • Last page
  • Create new account
  • Reset your password

Hire Us!

Latest Releases

  • Mon, 07/27/2026 - 12:37
    gurux.dlms.cpp 9.0.2607.2701
  • Thu, 07/23/2026 - 16:19
    gurux.dlms.java 4.0.96
  • Thu, 07/09/2026 - 14:34
    Gurux.DLMS.Python 1.0.201
  • Fri, 06/26/2026 - 16:32
    Gurux.Service 3.0.2606.2601
  • Wed, 06/24/2026 - 08:36
    Gurux.DLMS.Python 1.0.200

New forum topics

  • Possible memory leak in file dlms.c, getCompactArrayItem(), getCompactArrayItem2()
  • Official Gurux.DLMS.Client.Example.Net fails during High GMAC secure association (Invalid PDU), while Gurux Director connects successfully
  • gurux_dlms.GXDateTime.GXDateTime object Error in Python
  • T_APPL_DATA_LN_N1 subtest 3 fails on an LN-only server regardless of the response to a non-existing-object GET
  • Version mismatch between Gurux.DLMS 9.x and Gurux.Common/Gurux.Serial 8.x
More
RSS feed
Privacy FAQ GXDN Issues Contact
Follow Gurux on Twitter Follow Gurux on Linkedin