ratcliffe_ic

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About ratcliffe_ic

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  • Birthday 12/08/67

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  • Website URL http://systec-automation.co.uk
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  • Location Staffordshire
  • Country United Kingdom

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  1. What is wrong with this SFC

    Have a look at the TONR instruction
  2. What is wrong with this SFC

    Step 0 is set to a type N - non-stored which means the code in the step is continually scanned, so every time you set BACKWASH_START_PB to a 1 the code in step 0 sets it back to a zero.  If you click the square box next to the N you can set the Qualifier to Pulse (Rising Edge) which means the code in step 0 will only be scanned on the rising edge of the step becoming true.  
  3. Thanks for the info, I sorted it out this morning. The software is XBT L100 which runs on a windows 98 machine (in dos mode), its downloadable from the Schneider website.  The cable is: 2-2, 3-3, 5-7 plus 6+4 linked, 7+8 linked at the 9 pin (pc) end. As you say its well obsolete but the client had purchased a spare from ebay and I needed to get the program from another unit to download into this one.
  4. Can anyone tell me what programming software is used on one of these terminals and also if there is a special cable required.
  5. Fault Code 80

    You need a rung in your ladder program to put the devicenet module in run, download the manual from ab.com.
  6. RS Logix v. 20.04

    The firmware does not need changing in the plc when upgrading to 20.04 from 20.01 or 20.03  
  7. S7 300 capturing a short duration input

    I need to catch an input changing state which has a very short duration and I'm currently missing it due to scan time.  Is there a way in Siemens to improve the chances of catching a change by programming e.g. using something similar to a Selectable timed interrupt (STI) from the Allen-Bradley world or maybe a FAST TASK? Thanks in advance for any suggestions  
  8. GOT GS2107 List Selector

    OK thanks, I'll use a couple of momentary buttons to increment/decrement D0 in the PLC
  9. GOT GS2107 List Selector

    Hi, I'm replacing a system I did 10 years ago with Allen-Bradley with a new Mitsubishi system using a GOT hmi.  I'm basically recreating what I did previously so the operators don't have to learn something new.  In the old system I had a list selector where the operator would use arrow keys to scroll down the list of tanks (e.g. Tank A, Tank B etc etc) to select the destination tank, this would return a number to the PLC which would then open the appropriate valve for that tank.  I can't seem to find anything like that in the Mitsubishi software (GT Designer3), can it be done?
  10. Compactlogix CF card

    Can anyone tell me if its possible to modify a program, load it on to a CF card then send someone to site to swap the existing card for the new one. The processor is set to read the card on boot-up already. If it can be done what needs to get loaded onto the card? Thanks in advance
  11. Programming cable for DL330

    Can anyone advise on the programming cable for this processor, can it be read with software or does it only work with a handheld programmer. Thanksin advance
  12. Target processor shows a red X in proficy 8.5

    I've backed up two machines with Proficy ME 8.5 and both show a red X on the project name. I think this maybe due to the processors containing software written in LM90 can anyone shed some light on how to resolve this. Do I need to download from Proficy ME to resolve this?
  13. Trying to back up some 90-30 programs

    The dll files did not work on the XP machine, just to complete the thread
  14. Trying to back up some 90-30 programs

    I have applied the patch but not tried it, the windows 95 machine worked fine with v9.02 so the immediate panic is over for now as I have the programs backed up. I'll try the xp machine tomorrow as the windows 95 machine will probably pack in next! I'll feedback if it works or not. I'll be checking out costs for the latest software as well.
  15. Trying to back up some 90-30 programs

    Thanks for the reply, it seems my problem is related to this previous post: http://forums.mrplc.com/index.php?showtopic=6827 I am using V9.02 though so not sure if these will dll files will help my situation. I am going to try an old win95 laptop running v9.02 and see what happens.