ADVANTECH LwM2M Router App User Guide
- June 13, 2024
- Advantech
Table of Contents
Modbus to LwM2M
LwM2M Router App
Advantech Czech s.r.o., Sokolska 71, 562 04
Usti nad Orlici, Czech Republic
Document No. APP-0088-EN, revision from 12th October, 2023.
© 2023 Advantech Czech s.r.o. No part of this publication may be reproduced or
transmitted in any form or by any means, electronic or mechanical, including
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without written consent.
Information in this manual is subject to change without notice, and it does
not represent a commitment on the part of Advantech.
Advantech Czech s.r.o. shall not be liable for incidental or consequential
damages resulting from the furnishing, performance, or use of this manual.
All brand names used in this manual are the registered trademarks of their
respective owners. The use of trademarks or other designations in this
publication is for reference purposes only and does not constitute an
endorsement by the trademark holder.
Used symbols
Danger – Information regarding user safety or potential damage to the
router.
Attention – Problems that can arise in specific situations.
Information – Useful tips or information of special interest.
Example – Example of function, command or script.
Changelog
1.1 Modbus to LwM2M Changelog
v1.0.0 (2020-08-28)
- First release.
Router App Modbus to LwM2M
2.1 Description
** This Router app is not contained in the standard router firmware.
Uploading of this router app is described in the Configuration manual (see
ChapterRelated Documents).
Modbus to LwM2M router app provides seamless communication between Modbus/TCP
devices and LwM2M device. LwM2M works as Modbus/TCP master to communicate with
Modbus/TCP devices.
2.2Installation
The latest version of Modbus to LwM2M router app can be downloaded from the
Engineering Portal[EP] at https://icr.advantech.cz/products/software/user-
modules.
In the GUI of the router navigate to Customization -> Router Apps page. Here
choose the downloaded module’s installation file and click to the Add or
Update button.
Once the installation of the module is complete, the module’s GUI can be
invoked by clicking the module name on the Router Apps page. Figure1shows the
main menu of the module. It has the LwM2M, Mapping Table and Log menu items.
To return back to the
router’s web GUI, click on the Return to Router item. 2.3 Module
Configuration
Configuration of the router app can be done on the LwM2M page. This
configuration page is shown in Figure2. There are two sections on the page,
LwM2M Settings, and Modbus TCP. The configuration items are described on the
page next to the items. Do not forget to click the Save button below to save
changes made on the page.
2.3.1 Configuration Uploading**
Configuration of Modbus TCP and LwM2M devices mapping can be imported by a CVS
file. Format of this file is shown in Figure3and the key columns are described
in Table1. Separator (delimiter) for the CSV file is a comma.
To import this file, go to
LwM2M configuration page, click on the Upload Config button, choose the file,
and then click the Upload button. If uploaded successfully, click the Return
button and finally click on the Save button LwM2M on the bottom of the
configuration page. The new mapping configuration will take effect
immediately.
| Column | Field | Description |
|---|---|---|
| A | IPSO SO | LwM2M Object ID |
| B | Name | The name to identify the mapping. |
| G | Address Start | Designate the Modbus to starting address for the Modbus |
registry.
H| Data Length| For range 1 9999 or 10000 19999, the unit is bit(s).
For range 30001 39999 or 40000 49999, the unit is word(s).
I| Designator| Designate LwM2M Object. Include Object ID, Short ID and
Resource ID.
Format: /Object_ID/Short_ID/Resource_ID
Q| Data Type| LwM2M data type with options:
•7 Boolean
•4 IEEE, Reversed Word
•1 Double Precision
Table 1:Description of the Key Columns
2.4 Mapping Table
As shown in Figure4, the Mapping Table page just displays the mapping table of
Modbus TCP and LwM2M devices. This table can be imported by a CSV file, see
Chapter2.3.1.
2.5 Log Messages
The Log page displays the log messages of the LwM2M router app. This loggin
can be enabled on the LwM2M configuration page, see Chapter 2.3.
Related Documents
[1] MC Manual Pages: https://linux.die.net/man/1/mc
You can obtain product-related documents on Engineering Portal at
icr.advantech.cz address.
To get your router’s Quick Start Guide, User Manual, Configuration Manual, or
Firmware go to the Router Models page, find the required model, and switch to the Manuals or Firmware
tab, respectively.
The Router Apps installation packages and manuals are available on the Router
Apps page.
For the Development Documents, go to the
DevZone page.
References
- Advantech 4G, 5G Cellular Routers & Gateways for IoT applications - Engineering Portal
- Advantech 4G, 5G Cellular Routers & Gateways for IoT applications - Engineering Portal
- DevZone - Cellular Routers Engineering Portal
- Router Apps - Cellular Routers Engineering Portal
- Router Models - Cellular Routers Engineering Portal
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