j2mod Activity
Enhanced Modbus library implemented in the Java programming language
Brought to you by:
jfhaugh
Activity for j2mod
-
Julie Haugh posted a comment on discussion General Discussion
Steve - I'd created a personal GitHub account a few weeks back to do this. My ID...
-
Steve posted a comment on discussion General Discussion
Update on progress Hi Julie/Josh after a bit of thinking and given that I want to...
-
Paul Glenn posted a comment on discussion General Discussion
The illegalStateException was related to something else. I am still getting null...
-
Thanks Julie! I tried your suggestion however now im getting IllegalMonitoringStateException...
-
Paul - I saw this problem recently with another user, and if I keep seeing it I'll...
-
I've gone ahead and added you as a developer as well. I'm pretty familiar with Git...
-
Josh Hansen posted a comment on discussion General Discussion
Hi Julie, On 3/17/2016 10:57 PM, Julie Haugh wrote: Josh - You didn't mention if...
-
I have modbus master that was working perfectly communicating via both TCP and Serial...
-
Steve - I've gone ahead and added you as a developer. Josh - You didn't mention if...
-
Hi Julie, Actually, having said all that, whatever gets 2.0 released is best. As...
-
Hi Julie, On 3/16/2016 7:40 PM, Julie Haugh wrote: I'm 100% in support of what you're...
-
Hi Steve, On 3/16/2016 3:14 PM, Steve wrote: I'm in the process of porting j2mod...
-
That sounds good to me, no problem working with SourceForge until I get a working...
-
I'm 100% in support of what you're doing. I think the worst thing for me has been...
-
This always confuses me as well. The answer is that ModbusMessage.setHeadless(b)...
-
Sorry for not responding sooner. From that trace it appears that the message isn't...
-
We have a pretty desperate need to upgrade from the dreaded RxTx library and at the...
-
Draco Wang modified a comment on discussion General Discussion
I opened the communication traffic window in the simulator, Here is the difference...
-
I opened the communication traffic window in the simulator, Here is the difference...
-
Sure, As i am using Modbus Slave simulator, it has five connection types: 1,serial...
-
Sure, As i am using Modbus Slave simulator, it has five connection types: 1,serial...
-
It sounds like the request isn't being recognized. Are you sure you are supposed...
-
Julie Haugh, thank you very much. I am also confused with the codes, it worked well...
-
Julie Haugh, thank you very much. I am also confused with the codes, it worked well...
-
Julie Haugh, thank you very much. I am also confused with the codes, it worked well...
-
You've definitely stumped me - I don't see anything obviously wrong with the code...
-
Hello, I am using J2mod(j2mod-1.06.jar), it's amazing project, i love it very much....
-
Thanks - I'll try and remember to tag the new change when I make it.
-
Thanks! Judging from the closing "// connect" comment on the end of that method,...
-
paul stanton posted a comment on discussion General Discussion
also, please note there is no tag for the 1.06 release which makes it hard to create...
-
Version: j2mod-1.06.jar The implementation of TCPMasterConnection.connect means that...
-
torgeir posted a comment on discussion General Discussion
These are the first slaves we tested with this library and which would not behave...
-
Change urgent data handling for connection test...
-
I forget what required that line to be present. Could you tell me which slaves are...
-
James M Chan modified a comment on discussion General Discussion
UPDATE: this has been resolved. See following post. ORIGINAL POST Hi we're evaluating...
-
UPDATE I got my issue resolved! My issues was that in my int variable that i was...
-
Some Modbus TCP slaves seem to require the setting of the modbus unit id in the modbus...
-
The line m_Socket.sendUrgentData(0); in TCPMasterConnection.java seems to confuse...
-
Seems like i can't delete this post. I'll try to use it in a follow up response if...
-
-
Hi we're evaluating j2mod as a modbus library for to use in our product. I'm still...
-
Hi we're evaluating j2mod as a modbus library for to use in our product. I'm still...
-
I'm attaching the screenshot of the modbus master utility.
-
Hi we're evaluating j2mod as a modbus library for to use in our product. I'm still...
-
marco posted a comment on discussion General Discussion
Hello, i have some issue on retrieve Coils. Im trying to retrieve coils from a xlogic...
-
There are Javadocs for the package, if that's what you're asking for. There weren't...
-
Alikxus modified a comment on discussion General Discussion
Thank you. I did not know that i can to get response after error. Do you have instruction...
-
Thank you. I did not know that i can get response after error. Do you have instruction...
-
Alikxus - That's how j2mod handles error responses -- it throws an exception. You...
-
Hi Julie. Say me, please - your library supports error answer? Example, master sends...
-
Hi Julie. Say me, please - your library supports error answer? Example, master sends...
-
Olaf Brandt posted a comment on discussion General Discussion
Is there a suggestion on a timeline for fixing this?
-
Michael Dressel posted a comment on discussion General Discussion
For better readability I attach the diffs ina separate file.
-
We use modbus with a PLC as master. The PLC expects the register value in the response...
-
ChrisLi modified a comment on discussion General Discussion
hi there, thanks for the library, but I have a problem with sending telegramms over...
-
hi there, thanks for the library, but I have a problem with sending telegramms over...
-
hi there, thanks for the library, but I have a problem with sending telegramms over...
-
hi there, thanks for the library, but I have a problem with sending telegramms over...
-
hi there, thanks for the library, but I have a problem with sending telegramms over...
-
I'm using TCP, the device I'm attached to does not do RTU. I'll try and follow up...
-
I am not using a serial connection however ran into exceptions regardless. I guess...
-
Yes - RxTx is very old and fairly stable. Serial communcations is falling out of...
-
I'd need to see the raw packet data. I'd also need to know the transport you're using...
-
I've found that requesting 1 value I get inconsistent results for fields which should...
-
Thanks, I found that via someone's copy of the source code. they were using version...
-
It's the same dependency as jamod had. I'll need to track that down and get it documented....
-
There is a dependency on Gnu Io. I cannot find it documented anywhere, or what version...
-
Documentation on how the 'extended memory' functions (FC 20 and 21) work is pretty...
-
You need to mark the packets as "headless". When you do that the 6 byte TCP header...
-
The j2mod library does support the DIAGNOSTICS command. Your device would have to...
-
Fix some bugs, add DIAGNOSTICS support
-
Cleanup DIAGNOSTICS messages boilerplate code
-
Copy unit number from request to response
-
Thaks. Sometimes for testing is necessary to know the cause of the error.
-
j2mod released /j2mod-1.06-javadoc.tgz
-
Javadocs updates for sparse map creating methods
-
-
The underlying library should throw an exception when a port is busy. There is no...
-
Add support for sparce process images
-
Hi! I need in to catch exception when port is busy or error CRC. How to do it? T...
-
-
The transaction validation code compares the value in the request (which is a signed...
-
Force transaction ID values to be proper unsign...
-
Fabian - Sorry for the delay response. Hopefully you've found your answer elsewhere...
-
Did you try that with the new JAR? I've not run the Modbus Master tests recently,...
-
Dennis Carmen posted a comment on discussion General Discussion
I tried that. All it did was change the amount of time it took to get the failure...
-
Correct - the timeout value (which is in milliseconds) needs to include the turnaround...
-
Just to make sure, by read timeout, do you mean something like this? ((ModbusSerialTransport)...
-
On the off chance that this is caused by the Windows serial input buffers, I've changed...
-
On the off chance that this is caused by the Windows serial input buffers, I've changed...
-
-
Try to handle Windows serial buffers better
-
I've tried all of this at 19.2K baud as well with the same behavior. What concerns...
-
Let me see if I'm doing anything special, like flushing the serial port input, to...
-
Let me see if I'm doing anything special, like flushing the serial port input, to...
-
I've tried all of this at 19.2K baud as well with the same behavior. What concerns...
-
Everything is fully synchronous. But also, it's physcal hardware. If you are trying...
-
There can be 10's of seconds between requests. The two cases are as follow: Gui App...
-
There can be issues where you're sending transactions faster than the device can...
-
(sighs) I'm closer. Not sure what I'm getting wrong this time. Now the more sophisticated...