Hi Chris, Thanks to to great guide I was able to perform a local build. Also with the local build the read blocks indefinitely. Let me know in case I can help to run another test (you do not necessarily need to push to the repo, I can check out any branch and run a local build now).
Best regards, Sebastian > On 31. Aug 2020, at 15:18, Stefano Bossi <stefano.bo...@gmail.com> wrote: > > Hi Sebastian, > > Chris wrote a very good page on how to compile the library which is a very > big software: https://plc4x.apache.org/developers/building.html > <https://plc4x.apache.org/developers/building.html> > On Mac I found no problem to follow the guide and I think on windows should > be fine too. > > As extra suggestion on the guide I could add something if you use Gradle for > your software: the compilation build and install all the jars local in your > machine, if you would access this local jar storage via gradle you have just > to add mavenLocal() to the list of repositories: > > repositories { > mavenCentral() > mavenLocal() > } > I’s not not difficult to figure out but I spend a couple of hours wandering > how to do so it’s worth sharing > > Regards, > S. > > On 31/08/2020 14:45, Christofer Dutz wrote: > > > >> Hi Sebasitan, >> >> Just some minutes ago I submitted a fix for your problem. >> Please give it a try :-) >> >> Chris >> >> >> Am 31.08.20, 11:41 schrieb "Sebastian Voss" <svdevl...@gmail.com> >> <mailto:svdevl...@gmail.com>: >> >> Hi Chris, >> >> JIRA issue with attachment is created >> https://issues.apache.org/jira/browse/PLC4X-246 >> <https://issues.apache.org/jira/browse/PLC4X-246> >> <https://issues.apache.org/jira/browse/PLC4X-246> >> <https://issues.apache.org/jira/browse/PLC4X-246>. I will try to change the >> settings and report back the result. >> >> Thanks a lot and best regards, >> Sebastian >> >> > On 31. Aug 2020, at 11:08, Christofer Dutz <christofer.d...@c-ware.de> >> <mailto:christofer.d...@c-ware.de> wrote: >> > >> > Hi Sebastian … >> > >> > Unfortunately attachments don’t work on this mailing list. Could you >> please create a JIRA issue? >> > >> > And I think I can help you with that error of yours: >> > Go into the settings of your S7 and enable PUT/GET … the folks from >> NodeRed made a nice video: >> > https://www.youtube.com/watch?v=rTUs-_EiZ3A >> <https://www.youtube.com/watch?v=rTUs-_EiZ3A> (Just the first 1,5 minutes) >> > >> > But the driver should definitely report this … as it is a known thing >> and if we reported that it would help a lot of others. >> > >> > Chris >> > >> > >> > >> > >> > Von: Sebastian Voss <svdevl...@gmail.com> <mailto:svdevl...@gmail.com> >> > Antworten an: "dev@plc4x.apache.org" <mailto:dev@plc4x.apache.org> >> <dev@plc4x.apache.org> <mailto:dev@plc4x.apache.org> >> > Datum: Montag, 31. August 2020 um 10:49 >> > An: "dev@plc4x.apache.org" <mailto:dev@plc4x.apache.org> >> <dev@plc4x.apache.org> <mailto:dev@plc4x.apache.org> >> > Betreff: Re: S7 read issue >> > >> > Hi Chris, Hi Stefano, >> > >> > Thanks a lot for your valuable feedback. It is highly appreciated. >> > >> > I followed Stefanos suggestions and applied the simplifications. In >> addition I created a Wireshark capture which is attached to this email. >> > >> > It seems it replies with “[Error code: This service is not implemented >> on the module or a frame error was reported (0x8104)]" >> > >> > Does this mean the address is wrong or is it something else? >> > >> > Best regards, >> > Sebastian >> > >> > >> >> On 31. Aug 2020, at 09:42, Stefano Bossi <stefano.bo...@gmail.com> >> <mailto:stefano.bo...@gmail.com> wrote: >> >> >> >> Hi Sebastian, >> >> >> >> if you need some help in setup the wireshark capture software or open >> the jira ticket I could help. >> >> >> >> It’s definitely worth to follow the Chris suggestion to help him to >> spot the real problem. >> >> >> >> In the mean time I think you could simplify the PLC query in this way: >> >> >> >> String Url: s7:tcp://172.3.4.5:102?controller-type=S7_1200 >> >> >> >> String field: %DB20:5.0:BOOL >> >> >> >> As far as the address of the Data Block and the bool value are >> correct, should work. >> >> There were nothing particular wrong in your query but the library is >> somewhat “sensible” if something goes wrong in the dialogue with the PLC >> >> >> >> An another thing you should pay attention is that the Data Block MUST >> be NOT optimized; reading of optimized block is not currently supported. >> This shouldn’t be your case because an attempt to read an optimized block >> raise an exception or a null value. >> >> >> >> Try and let us know. >> >> >> >> Regards, >> >> Stefano >> >> >> >> On 31/08/2020 08:48, Christofer Dutz wrote: >> >> >> >> >> >> >> >>> Hi Sebastian, >> >>> >> >>> could you possibly do a wireshark recording of this, create an issue >> in our jira and attach the capture there? >> >>> I am sure we haven't handled all things that could go wrong and with >> this information I might be able to improve the error handling. >> >>> >> >>> Chris >> >>> >> >>> >> >>> >> >>> >> >>> Am 30.08.20, 18:28 schrieb "Sebastian Voss" >> >>> <svdevl...@gmail.com> <mailto:svdevl...@gmail.com> >> >>> : >> >>> >> >>> Hi, >> >>> >> >>> I’m trying to read a value from an Siemens S7-1200 PLC). This is >> my first project using the S7 protocol and plc4x. When I try to read a value >> the read request is not being executed (I also do not receive an error >> message or timeout). Would this be the normal behaviour when the field >> address is wrong? I’m out of ideas how to trace this down. Any hints would >> be highly appreciated. >> >>> >> >>> This is the simple program I created: >> >>> >> >>> String url = >> "s7://172.3.4.5:102?local-rack=0&local-slot=1&remote-rack=0&remote-slot=1&controller-type=S7_1200 >> >> <s7://172.3.4.5:102?local-rack=0&local-slot=1&remote-rack=0&remote-slot=1&controller-type=S7_1200>"; >> >>> PlcDriverManager manager = new PlcDriverManager(); >> >>> PlcConnection connection = manager.getConnection(url); >> >>> >> >>> boolean isConnected = connection.isConnected(); >> >>> boolean canRead = connection.getMetadata().canRead(); >> >>> >> >>> System.out.println(isConnected); // prints true >> >>> System.out.println(canRead); // prints true >> >>> >> >>> String field = "%DB20:DBX05.0:BOOL"; >> >>> PlcReadRequest request = connection >> >>> .readRequestBuilder() >> >>> .addItem("value-1", field) >> >>> .build(); >> >>> >> >>> PlcReadResponse response = request.execute().get(); // here is >> hangs forever >> >>> >> >>> System.out.println(response.getFieldNames()); >> >>> >> >>> connection.close(); >> >>> >> >>> Thanks a lot in advance! >> >>> >> >>> Best regards, >> >>> Sebastian >> >>> >> >>> >> >> >> >> >> >> > >
