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  1. Hello I am fairly new in UniStream and still can't find my footing. What I want to do is to store file first into CSV on SD, then to UDTF and later to read the UDTF file on a Data Table. But, when i try to convert the CSV into UDTF I keep getting "-4" as status. I tried this function on the example for Data Table, with me first making a csv file with "Store DTI to File", next trying to convert the made file into UDTF, but the end status is "-4". I have read the CSV file on the computer, and it has what the original UDTF table has, so that should not be the problem. Is there
  2. Hi everyone! Is there any way to set the PLC to RUN/STOP mode via ladder code? I want to have a button (it could be a physical one using one input) that once you press it, the PLC goes to STOP mode (every output turns off), and if you press it again the PLC goes to RUN mode and keeps on working like it was before stopping it. Thanks in advance, Gonzalo
  3. What the main goal is: To download a CSV file from an external source and then transfer that data into an array which will be used throughout the program. I assumed my first step was to convert a CSV file to a udtf file and then use the function "Copy column to array". However, when I try and use the CSV to UDTF my status bar always shows "-1", I have a micro SD card in the slot and a USB in another slot with the required CSV file. I also tried just putting the file onto the micro sd card but that also didn't seem to work... Am I using the function properly? Any advice woul
  4. Hello all, I just recently began my job programming PLCs for a custom welding manufacturer, so there will be many different types of programs to brainstorm and create. I am VERY new to programming itself let alone Visilogic and PLCs in general, no past experience aside from a few linux classes before coming into this job(unrelated just my only programming experience prior). That being said, I'm learning ladder logic and Visilogic from the ground up and was hoping a few of you gurus could point me in the right direction to make my learning process a bit smoother than it'd be with just goog
  5. Good morning, When creating an FTP client in UniStream, and activating the sending from the ladder program I get a response status "-6", general error. The parameters for the FTP server are correct (User, Password etc.). By testing with FileZilla, the FTP server is reachable. Can someone help me? Thank you.
  6. Hello, I am having trouble understanding how the "Set Coil" and "Reset Coil" work. My understanding is that the Set coil, once energized, stay energised no mater is the RLO goes low. Is that correct? My code seems to switch off the set coil when the RLO goes low. Any ideas on where I am going wrong? Thanks, Adam
  7. Hi Folks, Is there any way to trigger a screenshot within the ladder? I think it would be a good feature to to have a screenshot that is triggered in the event of an alarm or other event. In this way we can put a lot of data on a hidden screen that would be captured to help in diagnosis of a fault. Regards, Denis
  8. Hi, I have a PID function block with an embedded PWM function which should turn a heater on and off with a duty cycle. However it is always set on (1). When I monitor the PID UDFB the output from the PWM is 0 but the main ladder has it as a 1. If i drill down further in the PWM UDFB then that is also 0. I don't understand what is happening. Any help would be great.
  9. Why is it, when I execute this instruction with parameter D set to 0, that I get an error code -31, Number of lines in file is 0., and no file is created? According to the help file, setting this to 0, should write entire data table. I'm using ver. 1.21.51
  10. Hi, What is the best solution for converting two 16 bits registers from modbus device to floating point in UniStream? 2x16 bit registers = 32 int to float. (IEEE754 single pr). Is there any FB for this kind of conversion? The device information: I don´t believe I have to do this manually with calculation according to standard IEEE 754. If anybody know any method, it will be appreciated.
  11. How can I scroll through the Ladder UI (left and right) ? When I'm working on a small window (not full screen), I can only scroll up and down.
  12. Hi, The compiling Ladder step (when I download a program or when I connect "Online") take between 10 to 30 min . Is that normal or there is a problem with the software?
  13. Hello, I'm programming a table and I would like to have like a drop down menu containing food which, when the type is selected like " bananas" it is wrote in the table. It's like a predefined menu containing predefined types . I'm using UniLogic so is it possible ? ( an other question : is it possible to store a table with a name and then "increment" its name when storing the following table ( Data_Table_01 then Data_Table_02 ... ) Thanks
  14. Hello, I'm new at Automation Programming and i would like to know how to simulate an Analogic Input in Unilogic, in-time modification to test levels etc. Is it possible ?
  15. How do i take an hexadecimal constant operand for a block (#10 for decimal = #?? for hexa)
  16. I've tried to find a way to load a HMI screen via ladder within UniStream (which I found to be a very useful function within VisiLogic), but so far without success. Is there a way to get things done like: if a condition turns on screen n° xxx will be opened? Thanks for your feedback. Olaf
  17. I seem to be seeing an issue with the TON function. Any timer that is running when the PLC gets power cycled or rebooted will immediately trigger when the PLC comes back on. The timers are set for "Retained". Shouldn't they just continue timing from where they left off?
  18. 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.
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