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Found 8 results

  1. Hello I've recently entered the industry and I am having issues with the ASCII string element. I have an ASCII String keypad that on a button press, writes its current text to a table, then reads its text from another row on the table. From my testing, the MIs containing the text are changing values as they should, but the HMI element is not updating. I have attached the current variables assigned to the element.
  2. I have an Ohaus scale with a serial printer port connected to a Unistream 5" pro. A part is place on scale and a comparison is made to a valid weight range. I finally have a working model for getting weight ASCII string into a REAL but it's very clunky. There has to be a better way. The biggest issue with my conversion rung (before using mul & add FB's) is if I weight in a part at 10.39 grams and the REAL displays as such and the next weight is 7.43 grams (THE TENS PLACE IS A NULL ((BLANK)) CHARACTER) the real displays as 0.43 grams. The tenths and hundredths always read out okay because t
  3. I have inherited a project from an engineer who is no longer with my company. The system is a Vision120 communicating to a pc running windows 95. I am tasked with understanding this older system and start to implement updates. I have figured out 99% of the program and communications that is happening with the PC but there is one Command sent to the Vision 120 from the PC that I don't understand what it is for. PC: /00IDED. PLC: /A00IDVUN2A4500153. The ID Command is not covered in the standard PCOM manual. Is there a more thorough PCOM Manual Some Where? Thank
  4. Hello, In my program I receive a length of vectors on MI120 - MI143. When I use ASCII string to display all the vector in one line on the HMI, I only get the first character which is inside MI120, even when the length is very long. When I put RTC to vector, it is possible to display it with the samen function. So for example: MI120 a MI121 b MI122 c I want to see: abc, but I only get a. How can I solve this? Thanks!
  5. Hello! First of all let me say that I am a beginner with unitronics PLCs but so far I am quite happy with them! Now, about the topic. I have programmed a Vision 430 to send E-mails and would like to add some information on the content of the e-mail. This is easy using the "indirect mail content" option, however I need to build the text depending on different cases, so I am trying to use a section of MI's to do so. However when the a-mail arrives all the text apears to be in the same line. I tryed inserting a String with a Line Feed in the MI's linked to the mail content but it doesn
  6. I'm working with getting names from a DT on the screen, and I got the folowing: read name from dt, row offset in string1 read name from dt, row offset +1 in string2 .... read name from dt, row offset +14 in string15 next page = offset + 15 reload. This way i can skip through the DT and show all values, but now I got a strung with 15 times almost the same code. The problem is that there isn't a array[string] with which it would be possible to make a loop. If there would be an array[string] then i could save at position [offset] and next time [offset +1], but now i need a
  7. Good evening I have written a program for a barcode scanner that reads a barcode and parses the info to the screen, and then communicates it to a printer I do however have a couple of issues 1) If I plug the scanner into the port of the V120 it doesnt work, however I think that must just be me, as I downloaded a program called termite and plugged in the PLC to one port and the scanner to another, set my ports to forward in the program from the scanner to the PLC and it works. The major problems that I am facing is that unless I switch screens the HMI does not update, cant work out how t
  8. Hello everyone, I have two devices on the same RS485 line: one is a standart MODBUS RTU device, the second uses its own protocol in ASCII code. COM2 is configured to 9600 n 8 1 and I use positive pulses with 1 sec timing to activate Protocol Configuration FB and MODBUS Configuraton FB. The cycle starts with the ASCII device, then after getting the reponse I switch to MODBUS and get the required data, but when I switch back to the first ASCII device, even though OPLC sends the data, I receive no response. If I try to send the same data again, I get the response and proceed to MODBUS request an
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