Activity for ModbusPal - a Java MODBUS simulator

Konstantin Montikov posted a comment on discussion Help

Konstantin Montikov — Wed, 27 Sep 2023 19:20:21 -0000

Hi, I'm trying to use ModbusPal with the serial port. First time ModbuslPal indicated the missing RXTX library. I've got the latest stable rxtx 2.1-7r2 from http://rxtx.qbang.org/ and installed it: java -jar ModbusPal.jar -install Installing RXTX component... os.name returns "Windows 11" Install RXTX on Windows... java.home returns "C:\Program Files (x86)\Java\jre-1.8" 64-bit architecture detected... Installing "rxtx/win-x64/RXTXcomm.jar" to "RXTXcomm.jar" OK. Installing "rxtx/win-x64/rxtxParallel.dll"...

Drakelet posted a comment on discussion Help

Drakelet — Thu, 11 Nov 2021 07:04:39 -0000

This seeemed to work for me! ModbusPal 1.6c on ControlThings 1bD (i.e. both latest). Amazing :-)

archtyriel posted a comment on discussion Help

archtyriel — Wed, 10 Nov 2021 23:44:19 -0000

Noticed that running this as root also seems to completely fix the UI/Scaling issues: sudo /usr/lib/jvm/java-1.10.0-openjdk-amd64/bin/java -jar ./ModbusPal.jar YMMV

archtyriel modified a comment on discussion Help

archtyriel — Wed, 10 Nov 2021 23:18:48 -0000

I experienced the same issue. It appears to be something to do with a recent java version in combination with the Gnome fonts. From the recent ControlThings, there's other versions of jdk installed that you can try out: java-1.10.0-openjdk-amd64/ java-1.11.0-openjdk-amd64/ java-1.8.0-openjdk-amd64/ I had my best luck with 1.10.0: /usr/lib/jvm/java-1.10.0-openjdk-amd64/bin/java -jar /usr/local/share/ModbusPal.jar But you still need to scroll text fields which is annoying: But the issue still persisted...

archtyriel posted a comment on discussion Help

archtyriel — Wed, 10 Nov 2021 23:15:28 -0000

Drakelet posted a comment on discussion Help

Drakelet — Sun, 05 Sep 2021 16:36:50 -0000

Expected: Source: https://youtu.be/oVDYaG2HInU?t=3484 Actual: ModbusPal installed via https://www.controlthings.io/platform (VirtualBox VM) Anyone know the cause or a solution? Changing the resolution doesn't make a difference. Cheers

Kamil Jarmusik posted a comment on discussion Open Discussion

Kamil Jarmusik — Tue, 06 Jul 2021 19:37:19 -0000

Hello, I have made the following corrections to your project: 1) Add -noGui option in command and allow to run the tool in "headless" mode without gui; 2) Corrected relational paths for -loadFile option; 3) Enable python scripts; 4) Added support for functions with code 04 "Read Input Registers" Are these changes interesting for you? If so, can I commit them? Best wishes, Kamil Jarmusik Limraj https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail...

Aravindj posted a comment on discussion Help

Aravindj — Fri, 05 Mar 2021 15:35:01 -0000

Hi, I am using modbus1.6c version software. I created a proper configuration through GUI and saved the configuration. The slave configuration within the configuration file looks like Then I load the file back to the software through the command line option -loadFile and the configuration file is loaded successfully. In the GUI, the slave id is now showing as 0.0.0.1 and not as 1. Because of this, I am suspecting that...

Robert Morin posted a comment on discussion Help

Robert Morin — Thu, 24 Dec 2020 13:47:00 -0000

Hi darkweb, the problem is a buffer overflow; I'm guessing the read from the serial port has no (or not big enough) time-out in receive. The time-out should be 3.5 characters in between frame. Thanks.

darkweb posted a comment on discussion Help

darkweb — Sun, 15 Nov 2020 16:44:04 -0000

Hi Robert, Thanks for pointing out the download issue. I've corrected that. I'll see if I can incorporate the new RXTX API in the release. As for your issue with the serial port failing most of the time, can you go into more detail? What is your configuration set up and what are you seeing VS what you are expecting?

ModbusPal - a Java MODBUS simulator updated /modbuspal/RC version 1.6c/ModbusPal.jar

ModbusPal - a Java MODBUS simulator — Sun, 15 Nov 2020 16:35:04 -0000

Robert Morin posted a comment on discussion Help

Robert Morin — Wed, 11 Nov 2020 19:11:46 -0000

Hi, no luck for serial port. Most of the time it's failing and it's because it's only handling packet (for TCP) not byte.

Robert Morin posted a comment on discussion Help

Robert Morin — Mon, 02 Nov 2020 16:24:28 -0000

Hi, the '-install' is failing but I was able to find the rxtx, here is a copy: http://www.jcontrol.org/download/rxtx_en.html After installing on Windows 10, it's looking good. BTW, the latest download file from SourceForge is only containing the help file. Thanks

darkweb posted a comment on discussion Help

darkweb — Sat, 31 Oct 2020 14:41:54 -0000

Can you try again with ModbpusPal 1.6c? If it is still a problem, please post your config file and I'll take a look.

darkweb posted a comment on discussion Open Discussion

darkweb — Sat, 31 Oct 2020 14:38:31 -0000

Great! Thanks for confirming.

wolverine posted a comment on discussion Open Discussion

wolverine — Sat, 31 Oct 2020 14:38:16 -0000

No. This error is very much still there. All you have to do is to run Master snippet at this stackoverflow answer [link] to get this error. Ofcourse, we have to replace modbus_new_rtu with modbus_new_tcp. Also need to comment out modbus_set_slave to reproduce this error with TCP master. The exact sample runs with other Modbus slave simulators like at modbus tools

wolverine modified a comment on discussion Open Discussion

wolverine — Thu, 29 Oct 2020 08:43:03 -0000

Error resolved at Modbuspal 1.6c. Thanks a lot. Kindly ignore the previous post.

wolverine posted a comment on discussion Open Discussion

wolverine — Thu, 29 Oct 2020 07:55:10 -0000

Detailed error report at https://github.com/zeelos/ModbusPal/issues/4

ModbusPal - a Java MODBUS simulator released /modbuspal/RC version 1.6c/README.TXT

ModbusPal - a Java MODBUS simulator — Fri, 23 Oct 2020 04:14:02 -0000

darkweb posted a comment on discussion Open Discussion

darkweb — Fri, 23 Oct 2020 04:12:17 -0000

Hi all, There may be some confusion on this. For Serial the specification only supports 0 (broadcast) - 247. Addresses 248 to 255 are reserved and shouldn't be used. In TCP mode you specify the IP address that the slave should receive on (e.g. 127.0.0.1). Let me know if this solves your issue.

darkweb posted a comment on discussion Open Discussion

darkweb — Fri, 23 Oct 2020 03:52:43 -0000

Hi Attila, I've just built a 1.6c version. Can you try this out and see if it addresses your problem? If not, please attach the configuration and I can take a look. Thanks!

ModbusPal - a Java MODBUS simulator released /modbuspal/RC version 1.6c/ModbusPal.jar

ModbusPal - a Java MODBUS simulator — Fri, 23 Oct 2020 03:51:03 -0000

ModbusPal - a Java MODBUS simulator released /modbuspal/RC version 1.6c/modbuspal-javadoc.zip

ModbusPal - a Java MODBUS simulator — Fri, 23 Oct 2020 03:51:02 -0000

ModbusPal - a Java MODBUS simulator released /modbuspal/RC version 1.6c/modbuspal-help.zip

ModbusPal - a Java MODBUS simulator — Fri, 23 Oct 2020 03:51:02 -0000

darkweb committed [r132]

darkweb — Fri, 23 Oct 2020 03:49:39 -0000

Adding in support to build the help and javadoc files for Docker.

darkweb committed [r131]

darkweb — Fri, 23 Oct 2020 03:12:55 -0000

Updated to jython 2.7.0

darkweb posted a comment on discussion Help

darkweb — Thu, 15 Oct 2020 02:54:31 -0000

Hi Robert, You can run ModbusPal with the -install option and it is supposed to set up the RXTX library. I don't have access to a serial port so I can't test that functionality out. Let me know if that works for you. e.g. java -jar ModbusPal.jar -install

darkweb posted a comment on discussion Help

darkweb — Thu, 15 Oct 2020 02:46:23 -0000

Hi eli, Thanks for your interest. In order to compile it you need to have a few dependencies available in the parent directory of the build.xml. These are in the project.properties file: file.reference.jcommon-1.0.18.jar=../jfreechart-1.0.15/lib/jcommon-1.0.18.jar file.reference.jfreechart-1.0.15.jar=../jfreechart-1.0.15/lib/jfreechart-1.0.15.jar file.reference.jython.jar=../jython2.7b1/jython.jar file.reference.RXTXcomm.jar=../rxtx-2.1-7-bins-r2/RXTXcomm.jar After that you can build it with: ant...

Ray Zee posted a comment on discussion Help

Ray Zee — Fri, 09 Oct 2020 02:27:25 -0000

Hi, I run the simulator in learn mode and then save the configuration. Later when I load the same config that was working with the same client, I get error (illegal Function). Any suggestion? What changes when I reload the same configuration?

Attila Nagy posted a comment on discussion Open Discussion

Attila Nagy — Thu, 23 Apr 2020 21:44:45 -0000

Hello I like this program, unfortunately there seems to be a bug: if I set up a slave, add registers, set values everything is ok. But if I export and import the register setup then my master will receive read errors with error code 1 (invalid function) This is very similar to the one described here: https://sourceforge.net/p/modbuspal/discussion/899955/thread/308caa9a/ It seems like the import would remove the default functions. Thanks for looking at this. -- Nagy Attila Gabor

Or Hirshfeld posted a comment on discussion Open Discussion

Or Hirshfeld — Thu, 26 Mar 2020 15:44:26 -0000

Have exectly the same problem

eli posted a comment on a blog post

eli — Tue, 17 Mar 2020 15:57:39 -0000

Hi darkweb, can you explain please how its work's in the new version , i tried to download the last update application of modbus and i didnt sucssed to run "-loadFile" and "-port". so what i need to do in the main page i didnt saw the last version but i saw in the code tab your last update. i tried also to build the application with "ant" . So u can explain please: if we need to build so how we need to do that? if you can upload the last release with the update of the variable from path it is can...

eli posted a comment on discussion Help

eli — Tue, 17 Mar 2020 15:49:30 -0000

eli posted a comment on discussion Help

eli — Tue, 17 Mar 2020 15:38:31 -0000

Robert Morin posted a comment on discussion Help

Robert Morin — Tue, 28 Jan 2020 19:38:01 -0000

Hi, I'm a first time user and I'm trying to use the serial port. First time ModbuslPal indicated the missing RXTX library; I've found multiple site where the library is available but so far no luck. When I install the library; ModbusPal refuse to start. Can someone point me to the latest version that work in Windows 10 ? Thanks

Hal9k posted a comment on discussion Help

Hal9k — Wed, 20 Nov 2019 09:02:28 -0000

This is a nice tool. There is a recent "JEP 369: Migrate to GitHub" to move the JDK to github to benefit from a wider community. If this project is "abandoned" maybe it would be worth doing the same thing here?

darkweb posted a comment on discussion Help

darkweb — Sat, 09 Nov 2019 04:48:52 -0000

Hi all, The latest code now allows for specifying a -loadFile parameter as well as a -port for customization on the command line and doesn't require the GUI. Hope that helps!

darkweb posted a comment on discussion Help

darkweb — Sat, 09 Nov 2019 04:47:55 -0000

The latest code now allows for specifying a -loadFile parameter as well as a -port for customization on the command line but you'll need to build it to try it out.

darkweb posted a comment on discussion Help

darkweb — Sat, 09 Nov 2019 04:47:33 -0000

The latest code now allows for specifying a -loadFile parameter as well as a -port for customization on the command line but you'll need to build it to try it out.

darkweb posted a comment on discussion Help

darkweb — Sat, 09 Nov 2019 04:44:18 -0000

Hi there, I'm not sure what you're trying to do. ModbusPal opens up a port and listens for the protocol. First off make sure you can see that the port has been opened. This is done differently depending on the OS you are running it on: https://sites.google.com/site/mullais/network/to-check-if-a-port-is-open If the port is open, make sure you don't have firewalls blocking the ports. Once you've confirmed that it is open, you should be able to connect to it. Since this is TCP modbus, the slave address...

darkweb committed [r130]

darkweb — Thu, 07 Nov 2019 21:50:37 -0000

Update the open source code of the third party product "ModbusPal" to have optional command line arguments for the executable JAR:

Sharad Pise posted a comment on discussion Help

Sharad Pise — Wed, 27 Jun 2018 12:02:58 -0000

Following are the two issues in ModbusPal 1.6b 1. Whenever loading project getting this exception Exception in thread "Animation Thread" java.lang.NoClassDefFoundError: gnu/io/SerialPortEventListener After importing register map in the slave , the modbus slave responding illegal data to the Modbus Master .

Trent Gordon posted a comment on discussion Open Discussion

Trent Gordon — Wed, 09 May 2018 13:38:38 -0000

Hi, I discovered a security vulnerability on ModbusPal 1.6b. The .xmpa and .xmpp files do not sanitize input and are vulnerable to XXE (https://www.owasp.org/index.php/XML_External_Entity_(XXE)_Processing)

William E. Reed III posted a comment on discussion Help

William E. Reed III — Mon, 16 Apr 2018 20:15:58 -0000

Hi, Is there a way to pass command-line parameters to modbuspal such that it can automatically open a saved xmpp file and start a simulation? Thanks, Bill

William E. Reed III posted a comment on discussion Help

William E. Reed III — Mon, 16 Apr 2018 20:02:47 -0000

Hello, Are there command line parameters which could be passed to modbuspal to have it automatically load a saved xmpp project file and run the simulation? Thanks, Bill

Michael Johannes posted a comment on discussion Help

Michael Johannes — Thu, 12 Apr 2018 15:15:31 -0000

ModbusPal, I'm relatively new to Modbus, but I've got ModbusPal up and running on a remote VM, with a single slave and simple ramp function of data. I'm trying to pull the tags to a local "Edge Device" to then send the data to the cloud as a test demonstration. I'm having trouble connecting to the ModbusPal to get the data tags. Do I just use the IP Address of the VM and then port 502? In my Edge Device config, I've tried https://:502 and tcp://:502....

shinepo modified a comment on discussion Help

shinepo — Fri, 13 Oct 2017 03:44:25 -0000

Dear Jonas I Have copy the fixed jar from 2016-09-07 "ModbusPal.jar" , then my project function is working , but now I can not open the Scripts. http://nimb.ws/SRx5wc) Best regards, shinepo

shinepo posted a comment on discussion Help

shinepo — Fri, 13 Oct 2017 03:43:02 -0000

Dear Jonas I Have copy the fixed jar from 2016-09-07 "ModbusPal.jar" , then my project function is working , but now I can not open the Scripts. Best regards, shinepo

Shivansh Srivastava posted a comment on discussion Help

Shivansh Srivastava — Wed, 02 Aug 2017 10:09:53 -0000

i think , the correct way is write your own application using the API's provided in the help section. But to minimise the effort you can also use modpoll and digslave.

Shivansh Srivastava posted a comment on discussion Help

Shivansh Srivastava — Wed, 02 Aug 2017 06:01:55 -0000

Yeah I am also trying to do the same thing . Has anyone figured out yet ?

Travis posted a comment on discussion Help

Travis — Wed, 19 Jul 2017 15:22:44 -0000

I am trying to execute ModbusPal without the gui, but the wiki page is unavailable and the javadocs do not provide much help. Does anyone know how to do this?

warren crossing posted a comment on discussion Help

warren crossing — Wed, 03 May 2017 03:28:58 -0000

Actually on closer looks it's trying to find them in a libs folder with specific names Then you can use java -jar ModbusPal.jar Manifest-Version: 1.0 Ant-Version: Apache Ant 1.8.1 Created-By: 1.6.0_18-b07 (Sun Microsystems Inc.) Main-Class: modbuspal.main.ModbusPalGui Class-Path: lib/RXTXcomm.jar lib/AbsoluteLayout.jar lib/jython.jar lib /jcommon-1.0.16.jar lib/jfreechart-1.0.13.jar

warren crossing posted a comment on discussion Help

warren crossing — Wed, 03 May 2017 03:19:00 -0000

You might be running java -jar ModbusPal.jar You should be running java -classpath ./jython-standalone-2.7.0.jar:./ModbusPal.jar modbuspal.main.ModbusPalGui Java -jar and -classpath don't play nicely together

xiang huang posted a comment on discussion Help

xiang huang — Fri, 10 Feb 2017 13:00:43 -0000

I installte Jython on my PC. Jython is running. If run "jython --version" in der...

willem posted a comment on discussion Help

willem — Sun, 22 Jan 2017 10:00:22 -0000

to us ports below 1000 you must run the app as root. on a mac, I use terminal and...

wim geerts posted a comment on discussion Open Discussion

wim geerts — Sun, 22 Jan 2017 09:49:49 -0000

Yes, I have exact the same issue! The console shows "Slave 255 is not enabled" but...

Aleksandrs posted a comment on discussion Help

Aleksandrs — Sun, 08 Jan 2017 12:42:05 -0000

I am trying to use Scripts and after installation of Jython on my PC it still gives...

thierry LE CONNIAT posted a comment on discussion Open Discussion

thierry LE CONNIAT — Thu, 29 Sep 2016 15:31:53 -0000

hi all, The max adress in TCP mode is 247 ! API like libmodbus use adress 255 and...

Jonas modified a comment on discussion Help

Jonas — Wed, 07 Sep 2016 20:33:26 -0000

Find attached the fixed jar. It requires RXTX installed to start.

Jonas modified a comment on discussion Help

Jonas — Wed, 07 Sep 2016 20:21:46 -0000

Jonas posted a comment on discussion Help

Jonas — Tue, 06 Sep 2016 18:59:52 -0000

Hi, Could someone upload the fixed jar? Unfortunately, I am unable to build the project...

ModbusPal - a Java MODBUS simulator released /OldFiles/ModbusPal-WIP-1.1.jar

ModbusPal - a Java MODBUS simulator — Thu, 08 Jan 2015 01:02:59 -0000

ModbusPal - a Java MODBUS simulator released /OldFiles/ModbusPal.jar

ModbusPal - a Java MODBUS simulator — Thu, 08 Jan 2015 01:02:59 -0000

ModbusPal - a Java MODBUS simulator released /OldFiles/ModbusPal-WIP-1.0.jar

ModbusPal - a Java MODBUS simulator — Thu, 08 Jan 2015 01:02:59 -0000

Tamilkumaran S modified a comment on discussion Help

Tamilkumaran S — Tue, 30 Sep 2014 11:12:35 -0000

Thanks for the effort. Very useful software for testing and simulation of modbus....

Tamilkumaran S posted a comment on discussion Help

Tamilkumaran S — Tue, 30 Sep 2014 11:09:27 -0000

Thanks for the effort. Very useful software for testing and simulation of modbus....

Jørgen Bundgaard Wanscher modified a comment on discussion Help

Jørgen Bundgaard Wanscher — Thu, 14 Aug 2014 23:21:51 -0000

I am working on a project where we are producing specialized hardware controlled...

Jørgen Bundgaard Wanscher posted a comment on discussion Help

Jørgen Bundgaard Wanscher — Thu, 14 Aug 2014 23:21:40 -0000

Seems like I figured most of it out by skimming the source code - hurray for OSS...

Jørgen Bundgaard Wanscher posted a comment on discussion Help

Jørgen Bundgaard Wanscher — Thu, 14 Aug 2014 21:14:46 -0000

I am working on a project where we are producing specialized hardware controlled...

Muthu Mahendran posted a comment on discussion Help

Muthu Mahendran — Thu, 05 Jun 2014 07:45:55 -0000

How can I add Jfreechart in ModbusPal.Jar?

nnovic posted a comment on discussion Help

nnovic — Thu, 10 Apr 2014 19:28:18 -0000

Dear Tom, The latest release of ModbusPal seem to have a problem when it comes to...

CrisCV posted a comment on discussion Help

CrisCV — Thu, 30 Jan 2014 15:49:23 -0000

Hi! First many compliments for the software! On my PC (win7) I have the same problems...

Tom Barclay posted a comment on discussion Help

Tom Barclay — Tue, 21 Jan 2014 12:39:24 -0000

Hi, I am trying to use the simulator, I use RS232 connection. I only ever get error...