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
  2. Forums
  3. Settings On Bluetooth Connection

Settings on Bluetooth connection

Forum Rules

Before commenting read Forum rules

Don't comment the topic if you have a new question.

You can create a new topic selecting correct category from Gurux Forum and then create a new topic selecting "New Topic" from the top left.

By hhkx , 15 April, 2020
Forums
Gurux.DLMS

Hi,
I am trying to read landis e450 meter via Bluetooh on Windows pc. Bluetooth device
can connect successfully to windows. I am attaching the settings screenshot.
Is there something wrong with the settings? I would be pleased if you could support me.

Image
Profile picture for user Kurumi

Kurumi

6 years 1 month ago

Hi,

Hi,

Check that your baud rate is correct. You can change it from "Advanced..." button.

BR,
Mikko

hhkx

6 years 1 month ago

Hi,

Hi,
Thanks for your reply. We tried with 9600 which bluetooth supports. Below is showing logs.

GXDLMSDirector 8.2.2004.0801
Log created 19:08:12
19:12:02 Initializing serial connection.
19:12:04 Send SNRM request.
7E A0 0A 00 02 7E 79 03 93 05 65 7E
19:12:09 Failed to receive reply from the device in given time.
19:12:09 Disconnect request
19:12:09 Send Disconnect request.
7E A0 0A 00 02 7E 79 03 53 09 A3 7E
19:12:14 Failed to receive reply from the device in given time.
System.TimeoutException: Failed to receive reply from the device in given time.
konum: GXDLMSDirector.GXDLMSDevice.InitializeConnection()
konum: GXDLMSDirector.MainForm.Connect(Object sender, GXAsyncWork work, Object[] parameters)
19:22:45 Initializing serial connection.
19:22:48 Send SNRM request.
7E A0 07 03 03 93 8C 11 7E
Data send failed. Try to resend 1/3
19:22:53 Data send failed. Try to resend 1/3
7E A0 07 03 03 93 8C 11 7E
19:22:58 Failed to receive reply from the device in given time.
7E 20 20 03 03 73 70 2E 01 00 14 05 02 00 00 06 02 00 00 07 04 00 00 00 01 08 04 00 00 00 01 4E 6A 7E 7E 20 20 03 03 73 70 2E 01 00 14 05 02 00 00 06 02 00 00 07 04 00 00 00 01 08 04 00 00 00 01 4E 6A 7E
19:22:58
7E 20 20 03 03 73 70 2E 01 00 14 05 02 00 00 06 02 00 00 07 04 00 00 00 01 08 04 00 00 00 01 4E 6A 7E 7E 20 20 03 03 73 70 2E 01 00 14 05 02 00 00 06 02 00 00 07 04 00 00 00 01 08 04 00 00 00 01 4E 6A 7E
19:22:58 Disconnect request
19:22:58 Send Disconnect request.
7E A0 07 03 03 53 80 D7 7E
Data send failed. Try to resend 1/3
19:23:03 Data send failed. Try to resend 1/3
7E A0 07 03 03 53 80 D7 7E
19:23:08 Failed to receive reply from the device in given time.
7E 20 09 03 03 73 40 58 47 0F 7E 7E 20 07 03 03 1F 68 5F 7E
19:23:08
7E 20 09 03 03 73 40 58 47 0F 7E 7E 20 07 03 03 1F 68 5F 7E
System.TimeoutException: Failed to receive reply from the device in given time.
konum: GXDLMSDirector.GXDLMSDevice.InitializeConnection()
konum: GXDLMSDirector.MainForm.Connect(Object sender, GXAsyncWork work, Object[] parameters)
19:24:28 Initializing serial connection.
19:24:31 Send SNRM request.
7E A0 07 03 21 93 0F 01 7E
Data send failed. Try to resend 1/3
19:24:36 Data send failed. Try to resend 1/3
7E A0 07 03 21 93 0F 01 7E
19:24:41 Failed to receive reply from the device in given time.
7E 20 20 21 03 73 73 18 01 00 14 05 02 00 00 06 02 00 00 07 04 00 00 00 01 08 04 00 00 00 01 4E 6A 7E 7E 20 20 21 03 73 73 18 01 00 14 05 02 00 00 06 02 00 00 07 04 00 00 00 01 08 04 00 00 00 01 4E 6A 7E
19:24:41
7E 20 20 21 03 73 73 18 01 00 14 05 02 00 00 06 02 00 00 07 04 00 00 00 01 08 04 00 00 00 01 4E 6A 7E 7E 20 20 21 03 73 73 18 01 00 14 05 02 00 00 06 02 00 00 07 04 00 00 00 01 08 04 00 00 00 01 4E 6A 7E
19:24:41 Disconnect request
19:24:41 Send Disconnect request.
7E A0 07 03 21 53 03 C7 7E
Data send failed. Try to resend 1/3
19:24:47 Data send failed. Try to resend 1/3
7E A0 07 03 21 53 03 C7 7E
19:24:52 Failed to receive reply from the device in given time.
7E 20 09 21 03 73 43 6E 47 0F 7E 7E 20 07 21 03 1F 6B 69 7E
19:24:52
7E 20 09 21 03 73 43 6E 47 0F 7E 7E 20 07 21 03 1F 6B 69 7E
System.TimeoutException: Failed to receive reply from the device in given time.
konum: GXDLMSDirector.GXDLMSDevice.InitializeConnection()
konum: GXDLMSDirector.MainForm.Connect(Object sender, GXAsyncWork work, Object[] parameters)
19:26:04 Initializing serial connection.
19:26:07 Send SNRM request.
7E A0 08 02 21 21 93 05 D1 7E
19:26:12 Data send failed. Try to resend 1/2
19:26:17 Failed to receive reply from the device in given time.
19:26:17 Disconnect request
19:26:17 Send Disconnect request.
7E A0 08 02 21 21 53 09 17 7E
19:26:22 Data send failed. Try to resend 1/2
19:26:27 Failed to receive reply from the device in given time.
System.TimeoutException: Failed to receive reply from the device in given time.
konum: GXDLMSDirector.GXDLMSDevice.InitializeConnection()
konum: GXDLMSDirector.MainForm.Connect(Object sender, GXAsyncWork work, Object[] parameters)
19:27:34 Initializing serial connection.
19:27:37 Send SNRM request.
7E A0 08 02 21 21 93 05 D1 7E
19:27:42 Data send failed. Try to resend 1/2
19:27:47 Failed to receive reply from the device in given time.
19:27:47 Disconnect request
19:27:47 Send Disconnect request.
7E A0 08 02 21 21 53 09 17 7E
19:27:52 Data send failed. Try to resend 1/2
19:27:57 Failed to receive reply from the device in given time.
System.TimeoutException: Failed to receive reply from the device in given time.
konum: GXDLMSDirector.GXDLMSDevice.InitializeConnection()
konum: GXDLMSDirector.MainForm.Connect(Object sender, GXAsyncWork work, Object[] parameters)
19:29:14 Initializing serial connection.
19:29:16 Send SNRM request.
7E A0 08 02 21 03 93 86 C1 7E
19:29:21 Data send failed. Try to resend 1/2
19:29:26 Failed to receive reply from the device in given time.
19:29:26 Disconnect request
19:29:26 Send Disconnect request.
7E A0 08 02 21 03 53 8A 07 7E
19:29:31 Data send failed. Try to resend 1/2
19:29:37 Failed to receive reply from the device in given time.
System.TimeoutException: Failed to receive reply from the device in given time.
konum: GXDLMSDirector.GXDLMSDevice.InitializeConnection()
konum: GXDLMSDirector.MainForm.Connect(Object sender, GXAsyncWork work, Object[] parameters)
19:30:21 Initializing serial connection.
19:30:23 Send SNRM request.
7E A0 08 02 21 23 93 B5 E2 7E
19:30:28 Data send failed. Try to resend 1/2
19:30:34 Failed to receive reply from the device in given time.
19:30:34 Disconnect request
19:30:34 Send Disconnect request.
7E A0 08 02 21 23 53 B9 24 7E
19:30:39 Data send failed. Try to resend 1/2
19:30:44 Failed to receive reply from the device in given time.
System.TimeoutException: Failed to receive reply from the device in given time.
konum: GXDLMSDirector.GXDLMSDevice.InitializeConnection()
konum: GXDLMSDirector.MainForm.Connect(Object sender, GXAsyncWork work, Object[] parameters)

Profile picture for user Kurumi

Kurumi

6 years 1 month ago

Hi,

Hi,

Received data is corrupted. One of your serial port settings is wrong.
I believe it should be 9600 8None1.

BR,
Mikko

  • Create new account
  • Reset your password

Hire Us!

Latest Releases

  • Tue, 06/09/2026 - 11:16
    gurux.dlms.java 4.0.95
  • Tue, 06/09/2026 - 10:03
    Gurux.DLMS.Python 1.0.199
  • Mon, 06/08/2026 - 13:39
    gurux.dlms.cpp 9.0.2606.0801
  • Mon, 06/01/2026 - 10:15
    gurux.dlms.cpp 9.0.2606.0101
  • Thu, 05/28/2026 - 16:06
    gurux.dlms.java 4.0.94

New forum topics

  • Error reading L&G Meter
  • Pass a TCP Client to GXNet
  • Australian EDMI Mk10D (Essential Energy area)
  • Strange mix of data notificiation vs get response
  • DLMS Connection
More

Who's new

  • Tuanhgg
  • Adel
  • charnon
  • Paddles
  • Miguel Ángel
RSS feed
Privacy FAQ GXDN Issues Contact
Follow Gurux on Twitter Follow Gurux on Linkedin