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  1. 7 points
    You can create a struct that contains the information structure that you want to pass to the UDFB. It is more logical to pass a struct with 50 members other than passing 50 inputs. Think of how the ladder element that accepts the 50 inputs will look like. it will start at the benining of the screen, and you would have to scroll few pages down in order to see its end.
  2. 6 points
    Download the attached Rar file, and extract the files to UniLogic installation directory. This means that the "UniLogic Diagnostics.exe" (and all the other files) must be placed in the same directory where "Unitronics.Shell.UI.exe" is located (usually at: "C:\Program Files (x86)\Unitronics\UniLogic\") After you've extracted the files, run "UniLogic Diagnostics.exe" and click on Diagnose. Most chances that it will show "SQL Instance" as one that has problems. In case it find problems, the "Fix" button will become enabled. Click on Fix, and the program will attempt to fix the problem, and then it will re-diagnose the problems to confirm that they are fixed. Please tell me what problems it found . Also tell me if it managed to fix the problem that you're experiencing with UniLogic (that it is stuck in loading components). Thanks. UniLogic Diagnostics.rar
  3. 4 points
    EDIT BY MODERATOR: Kikis CAN NO LONGER SOURCE THIS UDFB, SO THE POST IS BEING REMOVED BUT THE LABEL RETAINED IN CASE SOMEONE IS REFERENCING IT SOMEWHERE.
  4. 4 points
    If it is really bad I've been known to hang an electrolytic capacitor between the analog input and 0V. I'm not kidding. Something like 10 uF @ 25V. Joe T.
  5. 4 points
    The USB in the UniStream acts as an Ethernet card (while in Vision PLC, it acts as a serial port). The USB of the UniStream is an RNDIS device, and for getting // assigning the IP address of the PLC over the USB-Ethernet an uPnP protocol is used. If the firewall blocks the uPnP handshake between windows and the PLC, then UniLogic will not be able to get the IP Address and communicate with the PLC.
  6. 3 points
    Yes, it was already implemented and would be available on the next release of UniLogic.
  7. 3 points
    Just for fun, this is the control panel for a new force tester we created. If you are a Star Trek fan. I can't be the only nerd on this forum, am I?
  8. 3 points
  9. 3 points
    Hi All I purchased this device on ebay. The model number is "VAP11G Bridge Cable Convert RJ45" (probably many alternatives available) Cost around €15.00 Works a treat on unistream. Plug in the ethernet and power via the USB port. PLC can now be programmed with the panel door closed over wifi. Should also work with Vision but you would need a power bank or 5v power supply.
  10. 3 points
    Continuity is easy - just connect +24V to one side of the wires one at a time and see if you get it on the other side. If you have a bundle to check you can switch wire feeds in with relays and make sure you only get one signal on a DI module connected to all wires. The RTD module only returns temperature from a resistance of about 25 ohms to 267 ohms. You could reverse-calculate the resistance, but I don't think this is the range you're looking for. Resistance is not so easy. Many moons ago I rolled my own ohmmeter with a DC power supply, current limiting resistors, voltage inputs on an analog module, and current sensors into another module. I was trying to measure to .01 ohm resolution on wire to make fuses and it kind of turned into a trainwreck. I learned about thermal drift of a multi-component system the hard way - I could not keep the thing calibrated. I eventually bought a really nice four-wire ohmmeter with a serial port and multiplexed it between the wires under test - the manufacturer liked it so much they asked if I would write an app note about it- https://www.tegam.com/wp-content/uploads/2015/10/AN103.pdf So this is an area I actually know a little more than the average bear about. This approach may be overkill for what you're trying to do. Can you be very specific about what you want? Joe T.
  11. 3 points
    Hold Ctrl+Shift while you double-click the Visilogic icon. This will reset the window settings to factory default. Joe T.
  12. 3 points
    @Arnor, I think I've found the problem. Take the dll below and overwrite the one that exists in your installation folder. Make sure to create a backup of the original dll first. Please update me if it helps. Thanks. Unitronics.RemoteOperator.dll
  13. 3 points
    I´m not sure if this fits your needs:
  14. 3 points
    I'm convinced this is delusional. CDs were originally pretty bad because sound engineers failed to properly tailor the sound for the new media and instead used the equilization curves for vinyl with insufficient modification. That's no longer the case. Nowadays, the abysmal compression of MP3s may be worse than vinyl, but no one who really cares about sound quality should be listening to either compressed MP3 or vinyl. Vinyl necessarily has extreme equalization in order to achieve any bass response, necessarily lacks sufficient channel separation, and degrades every time the record is played. </rant> THIS I agree with wholeheartedly.
  15. 3 points
    This major release introduces MQTT, another piece of the Industry 4.0 puzzle. MQTT is a machine-to-machine connectivity protocol that runs over TCP/IP. MQTT joins the UniStream range of communication channels and protocols that supply the connectivity required by Industry 4.0 including SQL, built-in webserver that enables the controller to be accessed via any browser, and more. This release also supports new UniStream 5” models US5-Bx-R38 + US5-Bx-T42, offering new, built-in I/O configurations. Other important features in this release: HID Device support for devices such as scanners PostgreSQL support, in addition to SQL Server and MySQL UniApps localization for Korean & Italian, plus a new Korean virtual keyboard Read the version changes for more features at: https://unitronicsplc.com/software-unilogic-for-programmable-controllers/
  16. 3 points
  17. 3 points
    I've had a lot of local requests for help on getting email working. There are a lot of pieces needed to make it work right and it has to be done in the right order. A PLC was never invented to send emails, and the fact the Unitronics can do this is a pretty awesome feature. I'm posting a sample program we wrote to hopefully show everything needed and some tricks to make it cool. Joe T. Sample Email Program V570 5-6-15.vlp
  18. 3 points
    Great news, but twice as tall (or 50% taller) is what I need more. I have regular need for 12 contacts in parallel and constantly breaking them into two sets of six is a pain.
  19. 3 points
    What is the answer to this math problem: 7-1x0+3/3=? If you understand the PEMDAS rule you will get the correct answer of 8. However, if you just run the operations from left to right, you'll get 1. Every ladder rung in your program must be compiled to machine language before the PLC can execute the code. Do you know all the rules the compiler will use when you have a very large net? I certainly don't. Remember, like all computers, the PLC can only do one thing at a time and a large net can provide ambiguity (to humans) so the result can sometimes be unpredictable. To avoid this potential problem, always make your nets reasonably simple and break them into functional parts. It's also easier to troubleshoot and for another programmer to understand what you're doing.
  20. 3 points
    Ohh no, the old usb issues! 1 Perhaps Win 7 is now doing the W10 trick of updating drivers to whatever Msoft deems best, regardless of what the user wants/knows. I'm still on 7 and haven't encountered this yet, but I very carefully look at every update that is offered and find what it is doing. The immediate suggestion is if you have System Restore on, you should roll back to before the updates and see what happens. 2 I have had instances where a usb cable has suddenly broken a line internally. I'm assuming you have tried another known good cable in your attempts? In my instances the error messages you're getting were similar..."unknown but I know something has been plugged in." Murphy's law says that this failure is going to happen just after an update that will appear to be the culprit! 3 Have a good read of this entire discussion: In particular note the program I recommend: http://www.pro-it-education.de/software/deviceremover/ Edit: I have discovered this link doesn't work anymore. Can now be found here: http://www.softpedia.com/get/System/System-Miscellaneous/Device-Remover.shtml I have found it incredibly useful for removing dud drivers Windows squirrels away. If you haven't had luck doing 1 & 2, try getting rid of everything using it and start again from known good drivers. ONLY install them. 4 I am finding more and more devices that used to be serial connections, but are now usb in the same looking body. But lo and behold they have just added a prolific/fake chip onto the pcb so that it "looks" like the unit is usb to the user. It is essentially still serial and the onboard chip lets them get into it if they don't have serial connections available, like modern stuff infuriatingly doesn't. I have been exceptionally careful about what I allow to happen during the first insertion of any device that likely falls into this description. It is a minefield. Tread carefully! cheers, Aus
  21. 3 points
    This problem dates back to when the USB to serial adapters were first introduced. It is not a Unitronics-only problem, it's a Windows thing. I have experienced multiple instances of the same driver trying to access the same COM port when it comes to the USB interface. It is a royal pain in the butt and you have to rip them all out and start with a clean slate. The problem is you can't see them all, even if you check "show non-present devices" in the Device manager. There is an environment variable you have to set to truly "Display All Non-Present Devices". This article describes the process to get all your defined COM ports to light up- https://technet.microsoft.com/en-us/library/ff184583.aspx You probably have a bunch of stuff defined that you didn't even know about. Uninstall all the COM ports. Then plug your PLC in and see what happens. Joe T.
  22. 3 points
    Set the Border Thickness to 0, and the Background Fill to transparent (by either choosing the transparent color, at the bottom left corner of the Stardard color, or by entering 00FFFFFF in the Advanced Color)
  23. 3 points
    I would like to start with many compliments on the Unistream Product. Yes it is a huge cost savings from other comparable products out there, but the horsepower really comes to light when using the data tables, FTP interface and the USB DOK tools. Not only can you accomplish a lot of traditional tasks with these units, but you can work with data and share this data so easily. Thanks. There are (2) enhancements that I think go together that would put the icing on the cake. 1st, we need at least (2) dimensional arrays. You have sort functions for arrays, but with only a single dimension, I typically need to have another field that is associated with the sort field. 2nd, having a sort function for data tables would be so powerful. Being able to run a Min/Max sort on a column so the data table can be organized based on a column sort would provide more capabilities with data tables. As a note, I cleaned up the Num to String UDFB to eliminate the space allocated for the +/- sign when neither are used, finished the 0 fill feature and increased the number of digits so double integers can be converted. Again, nice product and this only looks like the beginning.
  24. 3 points
    So I am sure that some of you may know factoid 2 already but I decided I would share the benefit of lots of testing with everyone. In our products we use the V570, V350 and the JAZZ units to talk to variable speed drives on a regular basis. Most drives come standard with 485 Modbus as the only communications type unless you spend extra money getting optional com cards for the VFD. Two factoids relative to noise. There was a conversation that happened accidentally in the "I have a new project" topic where someone said that Unitronics was very susceptible to noise. Well VFDs make a large amount of noise and it is not always radio noise. A fair amount of the time the noise is actually contained on the local earth to where if you ground the shield of shielded cable you make your noise problem much much worse than in you do not ground your shield. The old conversation about sometimes you have to ground a shield on one end or the other or not at all must be practiced regularly. Factoid 1: I generally would not recommend one brand of product over another but 20 years of use on pressure transducers have shown conclusively that there are definite brands of transducers that work dramatically better than others in noisy conditions. If the noise is radio noise pretty much every transducer is as good as any other. If the noise is carried on the local earth ground of the machinery then really bad things happen on every brand of transducer I have ever used (list to follow) except 1. We have used: Ashcroft Murphy Pepperl & Fuchs GEM WIKA AST Dwyer (all private labeled so there is one that works) and in 100% of the cases when there is a site that has noise infecting the ground because of VFD usage there is a horrible amount of noise created (it has nothing to do with Unitronics) and there is only one cure (separate the sensor from the metal pipe is it screwed into to isolate the sensor from the grounded pipe. If you ever have a site that has what appears to have an incurable noise issue and a VFD is involved unground the sensor and see what happens (pressure sensor just unscrew it and leave is unconnected to anything metal and if your noise issue goes away your grounded piece of equipment is causing your noise issue. So what is the one sensor that seems to be impervious to noise on the grounded pipe? It is specific to exactly one model and one product type only. The SETRA 209 series pressure sensor works perfectly where nothing else will (without lots of noise smoothing). AST is second best (but not as good as the 209 series SETRA) and everything else is just bad. Unfortunately, the 209 series is not NEMA 4 rated and is only suitable to outdoor use with the help of a cover to make a 3R cover. No other model of SETRA transducer works like the 209. Just as a note (if you are not needing Class 1 Division 2) there are companies that make electrically isolated pipe union fittings (for cathodic protection) and we have used these from time to time to help customers through ground noise problems. Factoid 2: It is in the Unitronics documentation but who reads everything (or remembers it over enough time). When connecting to RS485 it is not just important but absolutely imperative that you do not connect wires to pins 2,3,4 and 5. Even if the opposite end is connected to nothing at all (except 1 and 6). What testing has shown is that if any of the other 4 wires touch each other (because you cut them short) they will make an otherwise quite communication line unbelievably noisy. Also even if the ends are not touching the wires themselves act as little antennas and noise becomes worse. How do we know and not guess at this? Because sometimes we try to do what is right and it ends up being horribly wrong. One of our techs went out an sourced a high speed modem cable (shielded with shield all the way up to a metal sheath on the plug). It was not an inexpensive cable and sounded like a really good choice. We were buying 15 foot cables and then cutting this in half to make 2 cables (other devices have screw terminals for their connections and not an RJ12 (RJ12 for RS485 to get all 6 connections) so we would cut away all cables except the two making connection to 1 and 6 at the Unitronics port. We had 70 or so with these cables out and a high percentage of the build had special drain wire considerations that had to be made to make the communication work ok. New project with a different brand of VFD has come along and we build our first three units and zero of them would communicate over 485 communication connection. (we tested everything before build and it worked) WHY? The cable we were using had 4 sets of twisted pairs inside the shield (so two wires were not connected on either end). Testing on a V350 showed that as long as we had a computer connected to port 1 communication between the PLC and the VFD was fast and excellent TX/RX accuracy, but as soon as we disconnect the computer from port 1 communications would fail to a rate of about 75% packet loss (at slowest communication speeds). We tried different grounding of the shield to no effect, we replaced cables (didn't expect that one to work) to no effect, we took the test VFD from our desk and replaced that VFD with one in the constructed panels (no effect), so then just because there was nothing else to try we took one of the connectors that comes in the box for the V100-17-RS4X Modbus adder card and just twisted that to a standard 3 wire Beldon (really poor connection) and communication success went back up to about 99%. So we soldered 3 of the connectors from the V100-17-RS4X and shrink wrapped it all so that we could ship the 3 panels to their end customers. Then began the process of figuring out the whys and wherefores as to what the heck was going on. Taking new (expensive shielded) cable we stripped multiples back all the way to the metal cased plug and found that the manufacturer had done a good job on construction. We removed just the two wires that were not connected to anything on either end and found that removal of the two unconnected wires help com success rise to the 60% level. Then made sure that no wires were touching out of the remaining 4 unconnected wires and coms rose to a 90% success rate. Then we cut the 4 remaining wires to be about 1 inch long and made sure they did not touch anything and coms rose to about 96%. Then made our own cable with an RJ12 connector to have only 2 (totally unshielded wires with low twists per foot) wires and comes were great. So now we will be buying specialty cables that have only the two required conductors inside them. Thank for reading and I hope our pain can save you some. Keith
  25. 3 points
    Hello, I currenlty busy with a project Unistream 7" + 2x 8DI/DO and a EX-RC1 + 3xPT4x, 2x4AI2AO + 2xAO6. Followed the instruction on the webinar. What took me some time was that you have to upload a ladder programm with Visilogic to the EX-RC1. They don't show it in the webinar - because standard the EX-RC1 is pre loaded with a program - which has an auto configuration for digital inut and output. But when you want to use it for analogue input/output you should change it - by uploading the program in Visilogic withe the serial (9 pins) cable and RJ11 connector. When you follow the webinar - the example is shown for maximum of 16MI. In my case it exceeds 16MI - so I had to change the program. After a lot of 'trial and error' I came to a simple sollution by stripping most of rungs out - and only used the minimum of code. To get the second set of 16MI - you have to change the start adresse by adding 16 (so 1016=start adres first vector, 1032=start adres second vector), and bassicly follow the instruction in the webinar. When the first vector is sent/receive through the canbus MB0 and MB1 blocks the sent/receive off the second vector. I attached the visilogic file - feel free to use it - or comment on it - I'm not an experienced programmer so constructive criticism is welcome. EX-RC1 - example more than 16MI.vlp
  26. 3 points
    Hello Active Just did a simple test with Kepserver and selected the ”Modbus tcp/ip driver” Channel properties=>Ethernet settings selected port 502 and ip protocol tcp/ip. Added a device and named it device1 and for the model selected “modbus”. ID <135.0.2.78>20 The V570 has this ip address and 20 is the slave number in my test situation. In the V570 socket init in my case socket 3 port number 502 and server(slave) followed by A Modbus ipconfig,selected in this function block socket 3 and gave it network id 20,time out 100 and retries 3 and assigned a function in progress mb. The indexes with slaves can be deleted using the clear link button. The next network has to have a “Modbus ip scanex” block and for the name in this block select the name of the Modbus ip config block. TCP card init was already done somewhere else in the program but you could follow the example explained in the visilogic helpfile and it’s called “configuring a modbus slave device”. In this example for the gateway you have to choose the ip address of the master unitronics plc but this is only needed I think if communication is between Unitronics plcs so leave the TCP settings in this block as they should be four your local network. For addresses see the example in the visilogic helpfile called “slave addressing” under Modbus ip. To test this all I started kepware opc quick client and added here an item “channel1.device1.40032” and here I can see the actual value from MI31 So kepware acts as a Modbus client and the V570 as a Modbus slave device in this situation. Did no projects with kepware and Unitronics but in our plant we have some Unitronics plc,s besides TI(CTI) PLC,s connected to Control Maestro(Wizcon) scada using Kepserver so this is why I could quickly made a simple test. Hope it will help you Regards Henny
  27. 3 points
    Receiving BMP file thru RS232 from fingerprint scanner and drawing it on the dispay: [media=] [/media]
  28. 3 points
    Big time thanks to Joe for his support, even thuogh sometimes I bug him when I am in a crunch, he always comes thru with an answer.
  29. 3 points
    A shepherd was herding his flock in a remote pasture when suddenly a brand-new BMW advanced out of the dust cloud towards him. The driver, a young man in a Broni suit, Gucci shoes, Ray Ban sunglasses and YSL tie, leaned out the window and asked the shepherd... "If I tell you exactly how many sheep you have in your flock, will you give me one?" The shepherd looked at the man, then looked at his peacefully grazing flock and calmly answered "sure". The man parked his car, whipped out his IBM ThinkPad and connected it to a cell phone, then he surfed to a NASA page on the internet where he called up a GPS satellite navigation system, scanned the area, and then opened up a database and an Excel spreadsheet with complex formulas. He sent an email on his Blackberry and, after a few minutes, received a response. Finally, he prints out a 130-page report on his miniaturized printer then turns to the shepherd and says, "You have exactly 1586 sheep. "That is correct; take one of the sheep." said the shepherd. He watches the young man select one of the animals and bundle it into his car. Then the shepherd says: "If I can tell you exactly what your business is, will you give me back my animal?", "OK, why not." answered the young man. "Clearly, you are a consultant." said the shepherd. "That's correct." says the man, "but how did you guess that?" "No guessing required." answers the shepherd. "You turned up here although nobody called you. You want to get paid for an answer I already knew, to a question I never asked, and you know very little about my business...... Now give me back my dog."
  30. 2 points
    Hi All, We already have a solution for this case. As you can see we added the eye button option - if you will click on it the keys will not change their color/shade when pressing and the person who connected by VNC will not be able to see your password.
  31. 2 points
    Hello, Open font handler by clicking the (A) icon on the toolbar, from there you can add a new font.
  32. 2 points
    I think it's unlikely we'll ever see a software simulator from Unitronics. Their programming software is free and the PLC hardware is less expensive than most other manufacturers programming and simulator software. Just pony up for an actual PLC and you'll be amazed at how well it works as a simulator.
  33. 2 points
    Almost the same here. The only difference is that I am using an accumulated timer for more precision:
  34. 2 points
    For anyone producing their own electrical/control drawings you may have noticed the downloadable blocks in the technical library. Personally I have only ever found these useful for overall dimensions or to show the display on a general arrangement drawing. It's a shame we don't have anything showing the actual connections in .dwg (a bit like the images in the install guide). Anyway I will post here something which has helped me provide clients with a reference for connections. These are blocks and in reality the PLC connections will have interconnecting wires and all the usual stuff you would expect. I have lost count of the amount of times I have encountered the terminal number vs input/output number confusion!! Feel free to offer any thoughts. V350_Blocks.pdf V350_Blocks.dwg
  35. 2 points
    @thecarb This version if you want the OPLC to make an audible pulsed BEEP when alarm is active. Lots of other little things I'd change.... but I have to stop somewhere. Happy coding. *FILE REMOVED*
  36. 2 points
    Security like that is not built in to Unitronics, as you've concluded. One thing I've done is to roll my own authentication code based on a collection of mathematical operations. Each Unitronics PLC with Ethernet has a unique MAC address located in SDW 22 and 23. You could keep track of these in your server an create a code to send along with your data. Put logic in that matches the reverse of your math operations and use the result to verfiy the proper data origin. You have not given the details of communication. If you are going through the Internet, there are already many security methods available to clamp down on unauthorized data transmissions. This may be a better question for a good IT person. Joe T.
  37. 2 points
    That description is subject to Israeli trademark number 049 115 116 032 065 112 114 105 108 033, and you need special permission to use it! ho ho. cheers, Aus
  38. 2 points
    OK. 1 Have you tried another type of usb device in the same socket on the PC? Anything at all that previously worked ok. 2 In the same vein, have you tried using another socket on the PC? 3 Re the broken core, yes...it makes no sense that the system still recognises a plug insertion with one line down, but that's what happened, and happened a few times. I don't know the mechanics of the usb process enough. A new cable and away it went. I am not at all hard on cables, but I do know there are many different construction qualities out there! 4 Go back even further on system restore....as far as you can? Maybe it wasn't the update? It still reeks of driver issue. cheers, Aus
  39. 2 points
    Hi, even on programming languages like c# it's incorrect to show a view from code (for example a messagebox). Message boxes are usually required for a user input, and are in most cases 'code blocking' (The next command will not executed until the message box is closed, since it is waiting for a dialog result). In UniLogic, message boxes are shown in a response to a user interaction (clicks, for example), and the result of the user interacting with the message box is clicking on one of the buttons (OK/Cancel/Yes/No) is executing 1 or more actions defined by the programmer. This is the correct way or writing UI. I don't know the reason you want to show a message box, but for example, you want to show a message box like: "Temperature is over 80 deg), and you want to call it from Ladder. In that case, I would choose Alarm for several reasons; * Not blocking UI and annoys the user * What happens if the deg reaches 81 and then falls back to 70 and then again reaches 81? Should another messagebox open while an active one is already opened? * If the message box is designed to set a big when the OK is clicked, and the calling function is no longer running, what would you expect to happen? We do want our user to keep a separation of UI from logic (You won't see any "Load Screen" elements in Ladder, but we do give a Load Screen global action which can be triggered from a bit). A workaround for what you want is to have an overlay of something that looks like a message box with the texts and buttons that you want, and control it's visibility with a bit. (You can also design it as a custom control, so you will only need to set the visibility bit once, on the entire instance of the custom control) Another workaround is to design the whole message box as a screen, and load the screen when the bit is set (the global action will automatically reset the bit), and when done, use "Last Screen" action on the clicked button in order to return to the original screen.
  40. 2 points
    Hi Jon, No via the browse SD card function you can only delete 1 file at a time. If you can use a PC and connect to the PLC via the SD explorer software which is part of the SD Card Suite you can then select and delete multiple files at a time. Cam
  41. 2 points
    Yesterday I had a customer plug his Ethernet cable into the I/O expansion port on a V700 and try to figure out why he couldn't talk to it for two days. I think he's still kicking himself, and I'm personally worried about his self-esteem level. The really sad thing is I did the same thing last week, only I figured it out in less than an hour. To the Creators - Please put a big red sticker around the expansion port on all PLC models that says "Ethernet not go here! I/O Cable!" or something. Make sure you use caveman language, as that is what I think it will take for my brain to actually understand. I know the molded-in legend is too hard to see for us folks over 40. Joe T.
  42. 2 points
    Hi Mark, You can read the whole word to an integer (using R.H.R command) and then use the Ladder element NUM to Bits (You can find it under the logic menu in the toolbox). This element will convert the integer to array of bits. (Please make sure to create the array of bits in the correct length).
  43. 2 points
    OK. Some tips- 1. Always use a positive transitional with an HMI button. You don't want the PLC to keep setting the Reset. 2. You can only use a regular coil once in your program. You've got the two outputs in question assigned twice - the status of the output will be whatever it was in the last place it was used, which can be very confusing. 3. A timer consists of two parts - the timer coil, and then contacts referenced to it. It is a common mistake to think that a coil acts like a contact. 4. I'm guessing from your logic that O1 and O3 are on as long as I1 Anti-tiedown is on. Do you want them on after that? 5. It's a good idea to keep individual output control separated, even if you use redundant logic. 6. Notice the reset of MB 8 and MB 11 when the operator releases I1 with a negative transitional if they were on. If you don't know about transitionals, check the Help. Code attached. Joe T. 1311-1 JT.vlp
  44. 2 points
    By the way, Cara, you guys should definitely develop a modest UDFB of this nature for us to use to wow customers and potential customers. Give it some thought.
  45. 2 points
    Hi, We have several PLCs in the field on a network with Linux only machines I would like to download new version of the application to those PLCs from the local machine (i can ssh into those machines) It means I need to have a linux based version of the UniDownloaded or something similar (maybe a simple command line tool) Gal
  46. 2 points
    I find it works better to click and hold for half a sec rather than click multiple times.
  47. 2 points
    This post is not a question but rather a tale of pride and stupidity on my part. I hope to help someone in the future to not make the same mistakes I did. I recently tried to modify the Advanced Webserver to add Modbus IP communications. I decided to re-assign the sockets to my liking. I assigned Socket 0 to the webserver, Socket 1 back to PCOM, and Socket 3 to Modbus IP. After downloading the program serially I found the Webserver didn't work anymore and the PLC either rebooted or stopped completely with ladder error code 38 when i tried to go online via Ethernet. Oh, by the way, I also re-assigned the protocol for port 80 to HTTP when I made the new Socket init block. Talk about maddening. After several hours of trying every combination I sent the application to support and got Ryan's help. Final Conclusion: The Webserver app absolutely positively requires Socket 1 be initialized to protocol TCP_RAW, port 80. This exact configuration is required by the locked subroutines. To get online I initialized Socket 0 to TCP, port 20256, slave. I set Socket 3 to TCP, port 20257, Master for my Modbus IP communications. Everything works as it should now. Joe T.
  48. 2 points
    Hello, It seems that indeed the BinLib version cause to this issue. Please try to recover the PLC as follow: Use COM1 RS232 115200 baud rate 2sec time out Connect 6 wire cable instead of the 4 wire cable. Reboot the PLC The PLC should beep > tap once to stop the beeping Go to VisiLogic>communication & O/S, the 4th tab is system modes Check the communication by clicking on the GET button If you have a communication>Switch to Factory BOOT Go to O/S tab>check Download only the BinLib by clicking on the Advance button>BinLib (only) If the download will success, then replace to 4 wire back and download the BOOT and then the O/S.
  49. 2 points
    Hi Damian, How transition contact works? Behind the transition "contact", in fact there are 3 more internal bit registers - one for P contact, one for N contact and one for "buffer". That's why the number of transition contacts is limited. When the scan comes to specific transition contact (P or N), it compares the value of the linked to this contact bit (let's say MB0) with the value of the buffer. If: 1. bit = 0 & buffer = 0 -> P = 0 and N = 0 no transition detected 2. bit = 1 & buffer = 0 -> P = 1 and N = 0 3. bit = 0 & buffer = 1 -> P = 0 and N = 1 4. bit = 1 & buffer = 1 -> P = 0 and N = 0 no transition detected After updating P & N contacts, controller copy the value of the bit to the buffer and con tinue the scan. As result - if in previous scan we had case 2 and P = 1; in the current scan we will have case 4 and P contact will be reset back to 1. This way transition contact by definition are active only one scan. Important note: proceeding the transition contact in the way described above is when the scan is comming to this specific contact in the application. If, for ecample specific subroutine is not scanned for some time and the transition contact is inside, it will be activated only when the subroutine is scanned again. I hope this makes sense. Let me know if you need any additional info.
  50. 2 points
    Hi, Remote Operator and Remote Access work differently for each PLC family. For V120, V2xx, and V130 it is reading the PLC display memory and draws what is reads in the PC. In Color PLCs we no longer have 1 Bit Per Pixel, but 16, which means that communication and Frame Rate will be much much slower. For that, we don't read the whole screen memory, but rather read data a data that is being used by the PLC to know what variables are on the screen... So if the PLC can understand that binary data, so can Remote Operator. Now for your question: for drawing images and fonts, Remote Operator/Access needs to read it from PLC. You should have an option to Read Fonts and Images Cache from PLC (once you read it, it will be saved locally on your machine for future use, so you don't need to read it every time you run Remote Operator). After reading the cache from the PLC, you will no longer see the Red X's instead of pictures, and the fonts will also be drawn better (WYSIWYG).
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