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Ausman

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Everything posted by Ausman

  1. Ausman

    "Click" sound during a button press

    Yes, use a physical output(s) to trigger whatever sound you want using an external source. This is, of course, if the delay hasn't been fixed.....I don't know. cheers, Aus
  2. I think you might have trouble achieving your aims sticking with Mbus. Please look at this screenshot of a page from the Unican comms manual. Correctly done it is very fast, noise immune, isolated and can go a fair distance as well. cheers, Aus
  3. Isakovic's suggestion is correct and the best for your current hardware, but you are still working within Modbus limitations. if you really need to get things moving even faster than this, you could put in some Canbus modules and use Unican b/n the two. Much faster and in many ways much easier to do. cheers, Aus.
  4. Ausman

    Jazz JZ20-J-R16-Y database

    So was the database still present after loading the blank project? Or was it only present after reloading your 10x100 project again? So it looks like some functions relating to database work, but not all? cheers, Aus
  5. Ausman

    Jazz JZ20-J-R16-Y database

    Don't forget that you can use Excel for these DB numbers. That might make checking 1024 numbers very easy if you just do a sequential filldown. It would be nice/interesting to get an "official" comment about this from the creators. cheers, Aus
  6. Ausman

    Jazz JZ20-J-R16-Y database

    2 useful topics on this come up in an index search in U90Ladder help for database. Keep in mind that however you "implement" a DB, if your user "fine tunes" their system by modifying those values in the plc, they are not permanently saved. If you have a battery fail, you're in trouble. Try and implement a regular periodic read and storage of all the values involved, or periodically update all the startup values to match what is current, or give them a notebook to write things in! cheers, Aus
  7. Ausman

    Jazz JZ20-J-R16-Y database

    I don't work with Jazz often enough to know the answers. But....if the sample code worked ok for you on your Jazz trial, then stick with the concept offered and do your variations. If it works, it works. Or....can't you just use the MIs method? I often think using a database is actually far more complex than simply referring to a single MI, or a vector of them. It all depends how complex things are. cheers, Aus
  8. +1 to all Flex says, but also do a full Initialize and Reset of the plc. Connection/Communication & OS/2nd tab, bottom right. cheers, Aus
  9. Ausman

    "Click" sound during a button press

    If the delay hasn't been addressed as yet, maybe an external noise source that is run by the plc? Recognises a keypad entry and initiates an output of X milliseconds? cheers, Aus
  10. Ausman

    m91-2-ua2 Temperature in ladder diagram

    True Sgull. You don't need to. Like I said, Joe's response says it all. Here is a scrnshot of setting it up. Choose °C or °F. cheers, Aus
  11. Hi Adreasler, I am wondering if you have interpreted things correctly. <<<<< Notes: 3. This model is supplied with a serial port: RS232/RS485 (Port 1). The standard is set to either RS232 or RS485 according to DIP switch settings. Refer to the product’s Installation Guide. 4. Note that physically connecting a PC to the controller via USB suspends RS232/RS485communications via Port 1. When the PC is disconnected, RS232/RS485 resumes. 5. The user may order and install one or both of the following modules: - A serial RS232/RS485 isolated/non-isolated interface module in port 2. >>>>>> Are you leaving the usb connection in place during the trials? Do you have ladder work setting the 232 port parameters properly? If you have these in place and still have problems, with any 232 (or 485) communication issue that doesn't work as expected, I always go back to using the PC to send out strings to the item being talked to. This is far easier to tweak a string to the correct solution rather than messing around using the plc. Once the string works correctly, it then gets transposed into the plc. Hope this might help cheers, Aus
  12. Ausman

    Ethernet IP messages

    Hi Jan Is this entire page your reference? Or it might help? https://unitronicsplc.com/Download/SoftwareHelp/UniLogic_Knowledgebase/Communications/EthernetIP.htm cheers, Aus
  13. Ausman

    m91-2-ua2 Temperature in ladder diagram

    The real art to programming plcs is to first break down your process to every single procedure you are going to need to achieve your desired result, and then arranging those procedures to achieve this result in the most efficient manner. (You need to remember that in general plcs are very dumb and need to be told how to do everything.) I do this using a spreadsheet owing to the ease of moving things around, but there are many other methods including whiteboards, depending on complexity. (Some people end up with a correctly drawn flow chart once everything is finalised, but for me that isn't needed.) Once you have done that, if there is a procedure needed that you are unfamiliar with, or haven't used before, you then go to your plc's list of things it can do and find the function/maths/compare etc that best matches what you need to achieve. You then learn everything you can about the way it works, by consulting the help files, looking at examples and then physically doing a trial, using the plc, of something simple involving that procedure to ensure you are totally familiar with the way it works. Eventually you can tie it all together into a fully functioning, simple as possible program that the little men, women and gender neutral people (we are very PC on this forum!) running around inside the plc are quite happy to do over and over and over again without getting tired. In this case it is using different types of compare. Also, please pay attention to Joe's response. cheers, Aus
  14. Hi everyone, I'm sure you've all had those amazing instances where you do something on a site and some totally unrelated action happens exactly as you finish some switch action or similar. It makes you jump and think that you've caused something somehow, but it is just simply silly coincidence. Well....today, I would swear that my wife has some sort of ESP tuned into me. I was checking our pump systems over, getting ready for the upcoming bushfire season. We are on acres and bushfires are a fact of life, given we are in one of the most prone areas in the world. You have to look out for yourself. (We do, but many don't!) Our extensive pump system draws from a number of dams. It uses diesels for main fire use and electrics for general watering of her great gardens of an acre or so. For ease of use I have it set up so that she can switch the electrics on with a remote. So I toddle off to the pump shed which is a fair way down slopes from the garden areas and start work. 15 minutes in and I reconnect the diesel's battery after cleaning the posts and oil change etc. Just as I touch the + terminal to the post, on comes the electric. In the enclosed pump shed the sudden startup is very loud, so as I jump in fright I klonk my head on the low roof for the first time. "How does she do that?", I chuckle/curse to myself! She turns it off after about 10 minutes, and it remains off for another 20 minutes or so. I'm then wiggling/checking the physical SIM contacts in the modem system, and once finished turn it back on. Absolutely concurrently, up starts the pump again! Huh? Head klonk number 2. More "How does she do that?", but this time it involves a bit more cursing. She turns it off about 5 minutes later and doesn't run it again. For another test about an hour later after doing myriad minor other checks of filters etc, I dial into the system to initiate the "bushfire is close" response. The diesel is not started until everything else checks out correctly for a start, eg valves adjusted ok etc. At exactly the same time the diesel starts to crank, on comes the electric AGAIN, thus stuffing up my careful listening to the seqence. This time I cracked it, as I really need to listen carefully to the end of the sequence and I couldn't believe in coincidence number 3. I run up the stairs and paths to see if she's playing little tricks on me, to find her merrily watering away, totally oblivious to all the angst she somehow caused at exactly the right moments, 3 times in a row, for maximum heart attack. I am often amazed how such coincidences happen. A number of times over the years, I've flicked a breaker off on any small HVAC system, only to have the entire suburb go off at exactly that moment. Uhhmmmmm....I didn't do anything!!....or maybe...that was a hell of a spike from that 0.5Kw evap motor!! Or done a fundamental change to my computer network cabling layout, only to have it not work once finished. Spend hours chasing it to no avail, with everything checking out ok, only to then discover that some dick has chopped the main state line somewhere with a backhoe during the time I've had it off. What?!!! I can't be alone in this long line of strange happenings. It is just life playing little jokes on me. Perhaps someone else might like to relate their equivalents. Please tell me I'm not THAT weird! cheers, Aus
  15. Ausman

    Silly coincidences make me jump!

    I know you are all likely saying: "Here we go again!!" but check this one out! I recently got a little petrol/gas (for you Americanos) inverter genset as a backup for the bigger standby diesel. Just in case the diesel happened to die at the worst time, the little one would still run enough stuff to cover crucial bases. So I oiled and fuelled it, set it all up and test ran it fine, started on first pull, and it said everything was ok. Time for a real world test by making it actually power stuff. I had been in the workshop all day, and decided to try it on a row of the flouros in there as a good test. So I went around turning everything off before working the supply changeover switch. Checked again that everything was off, changed the switch, cranked up the gen and then flipped it's switch. Overload! Stop! Huh??? Check it all out and all seemed ok. Try again. Same thing. What? Wandered around the workshop again checking everything and discovered that I had missed the air compressor supply. I had used it two days ago and forgotten to turn it off. It hadn't run AT ALL during the entire 12 hours I had been in the workshop as I would have noticed it and muttered "you idiot" whilst turning it off. But sure enough the little gremlins that continually sit on my shoulder had arranged for all the tiny leaks to make it flip the pressure switch during the exact 5 seconds it took me to change the supply switch and start the gennie!! Fair dinkum! If you work it out time wise based on my being there for 12 hours, the odds come out at something like 1 in 8640 for the pressure switch to change during the exact 5 seconds I'm shifting onto the genset! Sadly....very, very sadly.....none of these exceptional coincidences seem to happen on the occasional time I buy a lottery ticket! But they do seem to continue to happen to me all the time, leading to lots of perplexing moments! cheers, Aus
  16. Yes, true enough might be possibly missed.....I was working on a same delay b/n on/off. By the look of the inductive's specs it may indeed be a short ON time. As for the different HSC readings, and assuming that all your hardware settings and wiring are correct, perhaps you are getting very fast bounces and as the scan read only relates to differences b/n each scan this may account for it. For interests sake, if you do an immediate display lke you have already, alongside a cumulative one this might show this up. A hard one to pin without being onsite. And that inductive needing 8v is indeed a little weird given that it is meant to enable easy interfacing! I noticed during my research that it looks like Honeywell have badge engineered the flow meters , and perhaps they may have a ready made supply module/interface that might be more user friendly and even better than a Pheonix. Who knows?!! PS...in my read of the literature they do have Modbus as an option. cheers, Aus
  17. Just a little further on Flex's correct answer, unlike some brands of plc, Vision etc do not let you specify a fixed scan length. There are ways around this, but they aren't dead accurate and are a little clumsy. It is much better to just let the plc run at it's own pace. However, to get a better idea of everything available, I would have a good read of everything listed under Help/Help/index/Scan. Program Sequencing information is a "must read" because there is very important info in there. cheers, Aus
  18. For 2 Hz max you don't need to use the High speed, normal will be fine. And if the "correct" amp is using relays this is very poor practice, they'll wear out in no time at all. At full flow over 24 hours that's 172, 800 operations! Should be solid state. cheers, Aus
  19. Have you got jumpers in their correct locations for 4-20ma? And looking at your ladder, why have you got MB101 and a sub call AFTER the linearisation? This makes no sense at all.....the linearisation only does a conversion. As if often quoted here, Unitronics does not charge for ladder rungs! Separate things out. cheers, Aus
  20. Does this post help? If not, what Visilogic, what Windows and 32 or 64? cheers, Aus
  21. Hmmm....don't know but don't think so. I don't have an M91 to try this on, so have you tried on yours and did it work? cheers, Aus
  22. Agree with Flex. Also, as someone in the HVAC game, I would make sure that your sensor is the temp range that is says it is. I often find variations of the same item that have different ranges, and you can only know for sure by matching the actual model numbers on the particular unit, right down to checking labels on the PCB. I have even had manufacturers change this without making it known in their literature. And for researching and trial purposes, I suggest you also look at my post here which has my calculator: The calculator is good for seeing what results should be, but I have used it for compensating for errors, and also finding the different ranges that I mention at the top of this post by playing with numbers and comparing that to actual results. Also, don't forget that the Linearisation function does NOT have upper and lower limits. The conversion will occur outside your ideal input range if your sensor is capable of putting out larger or smaller amounts than normal. Quite often you need to use a compare to set up high and low limits. This is especially confusing the first time you encounter the problem, without realising the simple fix. If you are setting up different span systems via logic that then goes into a number of linearisations, it is definitely needed cheers, Aus
  23. Ausman

    Sampler not works properly...

    That's great Orso. Given that it is only one cycle, I'm now wondering whether it might be a simple case of rearranging some of your program? I have often fallen into the trap of having an action not operate as expected due to an incorrect sequence, and a simple rearrange cures the issue. cheers, Aus
  24. Ausman

    Sampler not works properly...

    Essentially yes. As this is not a definite answer and is a bit involved to write, I would trial the concept on only a few to start with. The aim is to give the system a little breathing space between actions. But I would start at quite a high count to start with, maybe even 1000, and work backwards from there. Here's hoping it works....fingers crossed. cheers, Aus
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