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    PJLink Troubleshooting

    How To... ?
    networking control pjlink optoma projector
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    • M
      Maki @Woland last edited by Maki

      @woland Sorry I missed your replies. I'm pretty sure the port was set to 4352, but I'm not in the studio now. Will verify tomorrow. By the way, PJLink worked perfectly with the test application and also over telnet using the same port. No luck from Isadora though. However it does work fine from Isadora for my Epson Projectors. Thanks so much for the help!

      Isadora 3.0.7 | Mac / Win

      M 1 Reply Last reply Reply Quote 1
      • M
        Maki @Maki last edited by

        @Woland just to confirm - the port in the Isadora PJLink actor is set to 4352. Using the test application or Telnet, I can turn the projector on and off using this port. Isadora gives me the "initial response not PJLINK" error message. When I change the IP address in the actor to one of my Epson projectors, everything works. Let me know if I can do anything to troubleshoot, I'm happy to invest some time getting this to work. The installation will only be launched in September so it would be wonderful to find a solution until then. Alternatively I'm considering writing a shell or Python script to automate power on/off, but it would be amazing to have everything within Isadora. Thank you!

        Isadora 3.0.7 | Mac / Win

        1 Reply Last reply Reply Quote 0
        • Woland
          Woland Tech Staff last edited by

          From the manual for the Optoma ZH406ST:

          This projector supports all commands of PJLink Class1 (Version 1.00).
          http://pjlink.jbmia.or.jp/english/

          That being said, could you please: 

          1. Try this test file with your two projectors PJLink Test.izz.zip. 
          2. Let me know the model number of your Epson projectors
          3. Let me know the IP address of your Optoma and Epson projectors

          TroikaTronix Technical Support
          New Support Ticket: https://support.troikatronix.com/support/tickets/new
          Support Policy: https://support.troikatronix.com/support/solutions/articles/13000064762
          Add-Ons: https://troikatronix.com/add-ons/ & https://troikatronix.com/add-ons/?u=woland
          Professional Services: https://support.troikatronix.com/support/solutions/articles/13000109444

          | Isadora Version: all of them | Mac Pro (Late 2013), macOS 10.14.6, 3.5GHz 6-core, 1TB SSD, 64GB RAM, Dual AMD FirePro D700s |

          M 1 Reply Last reply Reply Quote 0
          • M
            Maki @Woland last edited by Maki

            @woland Sorry again for the delay. I tried your test file and it gives me the exact same result.

            My Epson projectors work with Class 1 commands but not with Class 2. The Optoma gives me the "initial response not PJLINK" error on any command or query sent with the PJLink actor.

            The Epson projectors I tested with are EB 700U and EB 2265U. All works perfectly on these.

            Regarding IP adresses, initially I had all projectors on a 192.168.0.X network with DHCP. Currently I have them on separate network adapters due to the requirements of the installation, so the Epson 700U is set to a static IP of 192.168.1.2 and the Optoma ZH406ST is set to 192.168.2.2. Things continue to work for the Optoma with the PJ Link test application, but not with Isadora.

            I did notice that the Optoma's network functionality seems generelly less mature and stable compared to the Epsons. It took me a few minutes and restarts to make it remember the static IP I set it to.

            Thank you!

            Isadora 3.0.7 | Mac / Win

            M 1 Reply Last reply Reply Quote 0
            • M
              Maki @Maki last edited by Maki

              Update: Seems like other people are having problems with some projector brands' PJLink implementations. Apparently Optoma, Benq and some NEC projectors don't return valid standard class PJLink replies. So it might not be an Isadora-specific problem. Strange though that the official PJLink test app works despite this. Does this mean PJLink from Isadora categorically doesn't work with these brands due to their non-standard implementation? Is there any way to ignore the incorrect response, since the actual functionality does seem to work when the commands are sent from the test app or Telnet?

              References:

              • "Known Issues" note on https://www.sigmasix.ch/projec...
              • https://forums.openlp.org/disc...

              Isadora 3.0.7 | Mac / Win

              mark 1 Reply Last reply Reply Quote 0
              • Juriaan
                Juriaan Tech Staff last edited by

                So we beta tested the PJ Link application before, and we tested it with the Test application and a few projects that I and others had lying around that where PJ Link enabled. Like you can imagine, we haven't tested out every single projector in the market. But if a projector is not sending PJLink commands in the order / described as in the protocol documenation then you can hardly say that Isadora is the fault ;) This is a Projector error. Regarding why it works with the Test application, it seems that they are not validating the response from the Projector to verify that it is as described in the protocol documenation. Could Mark add a way to still make it work with your projector, I think so. Some kind of hidden input field with an option to disable verifaction would already go a long way for your use-case / projectors. 

                @Woland 

                Could you log the above ? It is kinda a bug-report / feature request.

                Isadora 3.1.1, Dell XPS 17 9710, Windows 10
                Interactive Performance Designer, Freelance Artist, Scenographer, Lighting Designer, TroikaTronix Community moderator
                Always in for chatting about interaction in space / performance design. Drop me an email at hello@juriaan.me

                1 Reply Last reply Reply Quote 1
                • mark
                  mark @Maki last edited by mark

                  @maki

                  I am happy to make an update to the Send PJLink actor, but I'm going to need some documentation on the replies that are actually being sent. Unfortunately, I don't have access to the models of projectors you mention, and so it's sort of impossible for me to try this and find out what's happening.

                  I guess I need to implement some way to write out the transactions.

                  (Sidenote: @Maki it is the convention in this forum to add your primary operating system and hardware to your signature line. Could you please add that? Having it there would have saved me from asking the next question.)

                  Are you running on macOS or Windows?

                  Best Wishes,
                  Mark

                  Media Artist & Creator of Isadora
                  Macintosh SE-30, 32 Mb RAM, MacOS 7.6, Dual Floppy Drives

                  M 1 Reply Last reply Reply Quote 0
                  • M
                    Maki @mark last edited by

                    @mark

                    Thank you! That's amazing. I can provide our Optoma projector for testing (based in Vienna), or give remote access to the computer connected to it. Or run tests and report the results.

                    Regarding OS, I work with both Mac and Windows. This particular project will be run from a Windows PC. Will add this to my signature. Conventions are important :)

                    Isadora 3.0.7 | Mac / Win

                    mark 1 Reply Last reply Reply Quote 0
                    • mark
                      mark @Maki last edited by mark

                      @maki

                      Here's a special version of the PJLink actor that will output a "log" of the communications with your projector.

                      1) Set up all the parameters to talk to your projector, make sure it's at least trying.
                      2) Leave the scene and come back to clear the log output
                      3) Attempt to send a message to the projector
                      4) Click the 'log' output and copy all the text inside
                      5) Paste that text in your response to this message

                      NOTE: THIS IS NOT THE NORMAL RELEASE VERSION OF THIS PLUGIN! INSTALL THIS ONLY IF YOU NEED TO DEBUG COMMUNICATIONS WITH YOUR PROJECTOR! 

                      Here's the plugin:

                      send-pjlink-mac-debug-output-v3.zip

                      You need to install this plugin at /Library/Application Support/TroikaTronix/IsadoraPlugins_x64/ -- move the existing Send PJLink actor somewhere else, and install this special version instead.

                      Best Wishes,
                      Mark

                      Media Artist & Creator of Isadora
                      Macintosh SE-30, 32 Mb RAM, MacOS 7.6, Dual Floppy Drives

                      M 1 Reply Last reply Reply Quote 1
                      • M
                        Maki @mark last edited by

                        @mark

                        Thank you! I tried using the custom PJLink actor, unfortunately I don't see the log output. I tested on a Mac with a fresh install of Isadora 3.0.7. (so no risk of mixing up the custom actor with the regular one). Also tried Windows but it seems the custom actor is not working there. Is the log output supposed to be part of the actor (next to "response", "error" and "recv response")? Or should I look somewhere else?

                        Isadora 3.0.7 | Mac / Win

                        mark 1 Reply Last reply Reply Quote 1
                        • mark
                          mark @Maki last edited by mark

                          @maki

                          Sorry, my bad. I uploaded the wrong plugin. Please download the file send-pjlink-mac-debug-output.zip from the post above and install it as instructed. This plugin is macOS only. There is no Windows equivalent at this time.

                          You'll see that it has the log output as shown here.


                          Best Wishes,
                          Mark

                          Media Artist & Creator of Isadora
                          Macintosh SE-30, 32 Mb RAM, MacOS 7.6, Dual Floppy Drives

                          1 Reply Last reply Reply Quote 1
                          • iink
                            iink last edited by

                            Hey,

                            I downloaded the PJLink actor and connected the Optoma ZH406ST to the network. 

                            Log when sent "Power On"

                            Process 0x7faa21556520: cmd '%1POWR' - param = '1'
                            get host name
                            create socket
                            connect to socket
                            wait for connection response
                            get response
                            shutdown socket
                            close socket
                            close socket err = 0


                            Log when sent "Power Off"

                            Process 0x7f8d793c5740: cmd '%1POWR' - param = '0'
                            get host name
                            create socket
                            connect to socket
                            wait for connection response
                            get response
                            shutdown socket
                            close socket
                            close socket err = 0

                            If you need any other commands sent just let me know.

                            Mat

                            Isadora 3.0.7
                            MacBook Pro (Retina, 13-inch, Late 2013) / OSX Catalina 10.15.5
                            2,6 GHz Dual-Core Intel Core i5
                            8 GB 1600 MHz DDR3

                            mark 1 Reply Last reply Reply Quote 0
                            • mark
                              mark @iink last edited by mark

                              @iink

                              Well, shoot. It didn't print out the actual message sent back from the projector so I can see what is wrong with it.

                              I've made an update to ensure that information is in the log and tested it with the emulator. So please try again. Sorry for making you do it twice.

                              Best Wishes,
                              Mark

                              Media Artist & Creator of Isadora
                              Macintosh SE-30, 32 Mb RAM, MacOS 7.6, Dual Floppy Drives

                              iink 1 Reply Last reply Reply Quote 0
                              • iink
                                iink @mark last edited by

                                @mark

                                No problem. Thx for your help! 

                                Power Off:

                                Process 0x7fc324ef2960: cmd '%1POWR' - param = '0'
                                get host name
                                create socket
                                connect to socket
                                wait for connection response
                                received initial response: >>>pjlink 0
                                <<<
                                initial response doesn't start with PJLINK
                                shutdown socket
                                close socket
                                close socket err = 


                                Power On:

                                Process 0x7fc32261e320: cmd '%1POWR' - param = '1'
                                get host name
                                create socket
                                connect to socket
                                wait for connection response
                                received initial response: >>>pjlink 0
                                <<<
                                initial response doesn't start with PJLINK
                                shutdown socket
                                close socket
                                close socket err = 0


                                Mat

                                Isadora 3.0.7
                                MacBook Pro (Retina, 13-inch, Late 2013) / OSX Catalina 10.15.5
                                2,6 GHz Dual-Core Intel Core i5
                                8 GB 1600 MHz DDR3

                                mark 1 Reply Last reply Reply Quote 0
                                • Juriaan
                                  Juriaan Tech Staff last edited by

                                  Is the request terminated because PJLINK is not in caps ?

                                  Isadora 3.1.1, Dell XPS 17 9710, Windows 10
                                  Interactive Performance Designer, Freelance Artist, Scenographer, Lighting Designer, TroikaTronix Community moderator
                                  Always in for chatting about interaction in space / performance design. Drop me an email at hello@juriaan.me

                                  mark 1 Reply Last reply Reply Quote 1
                                  • mark
                                    mark @Juriaan last edited by

                                    @juriaan said:

                                    Is the request terminated because PJLINK is not in caps ?

                                     Yep. That's it. I'll change the code so that it does not care about capitalization.

                                    Best Wishes,
                                    Mark

                                    Media Artist & Creator of Isadora
                                    Macintosh SE-30, 32 Mb RAM, MacOS 7.6, Dual Floppy Drives

                                    1 Reply Last reply Reply Quote 1
                                    • mark
                                      mark @iink last edited by

                                      @iink said:

                                      No problem. Thx for your help! 

                                       OK. Hopefully this will solve it. This is still with the log enabled. Once we prove it works, I'll remove that.

                                      send-pjlink-mac-debug-output-v3.zip

                                      Best Wishes,
                                      Mark

                                      Media Artist & Creator of Isadora
                                      Macintosh SE-30, 32 Mb RAM, MacOS 7.6, Dual Floppy Drives

                                      iink 1 Reply Last reply Reply Quote 1
                                      • iink
                                        iink @mark last edited by

                                        @mark

                                        Well done! Works. I could turn the Optoma on/off 

                                        Process 0x7feb5c28dd20: cmd '%1POWR' - param = '1'
                                        get host name
                                        create socket
                                        connect to socket
                                        wait for connection response
                                        received initial response: >>>pjlink 0
                                        <<<
                                        STARTUP SUCCESS
                                        send pjlink command = %1POWR 1
                                        wait for response
                                        received response: >>>%1powr=OK
                                        <<<
                                        ensure response starts with %1
                                        check that response command matches sent command
                                        shutdown socket
                                        close socket
                                        close socket err = 0

                                        Isadora 3.0.7
                                        MacBook Pro (Retina, 13-inch, Late 2013) / OSX Catalina 10.15.5
                                        2,6 GHz Dual-Core Intel Core i5
                                        8 GB 1600 MHz DDR3

                                        M 1 Reply Last reply Reply Quote 1
                                        • M
                                          Maki @iink last edited by

                                          @mark @iink

                                          I'm back from some time off the grid, it's wonderful to see the problem has been resolved in the meantime! Heartfelt thanks! Isadora rocks, the software and the people behind it!

                                          Would it be possible to get a version of the plugin with the log disabled, and also a Windows version? Our final piece will run on Windows. 

                                          We'll make sure to post images + video of the piece as soon as it's up. It's a permanent interactive public art installation in the 6th district in Vienna.

                                          Thank you!

                                          Isadora 3.0.7 | Mac / Win

                                          Woland Juriaan 2 Replies Last reply Reply Quote 1
                                          • Woland
                                            Woland Tech Staff @Maki last edited by

                                            @maki

                                            Mark's going to be unavailable for a little while, but I'll bring this up to him as soon as he's back.

                                            TroikaTronix Technical Support
                                            New Support Ticket: https://support.troikatronix.com/support/tickets/new
                                            Support Policy: https://support.troikatronix.com/support/solutions/articles/13000064762
                                            Add-Ons: https://troikatronix.com/add-ons/ & https://troikatronix.com/add-ons/?u=woland
                                            Professional Services: https://support.troikatronix.com/support/solutions/articles/13000109444

                                            | Isadora Version: all of them | Mac Pro (Late 2013), macOS 10.14.6, 3.5GHz 6-core, 1TB SSD, 64GB RAM, Dual AMD FirePro D700s |

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