Ausman

MVP 2016
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Ausman last won the day on February 20

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About Ausman

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    UniGuru
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    Orstralia
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    Love/Hate waking up with a solution to a problem. Thanks brain....for not sleeping properly!

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  1. Thanks Joe, could you please be a bit more specific as to where this help file is? Looking hard and can't find it, even on search. 9.8.31 Always want to learn something new. cheers, Aus.
  2. And the answer about the OS question is.............????? Anyone?? cheers, Aus
  3. Hi Moises, I'm assuming that you are trying to use SD Card Explorer? I don't know 1040s, but I am intrigued why you are using 485. Can you please supply a screenshot of the communications settings window that works ok on the notebook? And does the 1040 have ethernet fitted? cheers, Aus
  4. Quickly looking at the KA200 specs, I say yes. I haven't done it, but someone else here may have or done similar, and can shed more light immediately for you without me having to delve deeply. I'll wait a bit for more knowledgable info to hopefully pop up. cheers, Aus
  5. OK, I am a bit confused now. The above statement implies that you are wanting to check the installation. How? Are you wanting to check whether the actual flow matches what is on the Hoffer Meter? Because if you are, and you use the meter's outputs to do the checking, you are in a wrong thought loop. You will be checking what the thing you are checking is outputting. You need to check direct from the turbine's pulse output. cheers, Aus
  6. And now that I've read that info a bit more, the HIT-2A looks like a device that reads info from the sensors in the stream, and interprets/displays/converts it. You could read directly from the sensors if needed, thus avoiding all the HIT-2A "interference". cheers, Aus
  7. Hi all, I've just had a squiz at this and I might have missed something, but why are you doing so much work? If you have a device that outputs 4-20 as an amount per hour, simply divide the Linearised result by 36000 to get flow per .1 seconds. edit: And don't forget you can often do this by adjusting numbers within the Linz itself. And looking at the HIT specs, it only updates 4-20 every 2 seconds anyway. You might have to go the pulse method. Analog (4-20mA) Output Option Scale: 4 – 20 mA follows rate. Accuracy: 0.02% of Full Scale @ 20ºC. Temperature drift: 40 ppm/°C Update Time: 2.0 seconds. Connection: Two wire. cheers, Aus
  8. No time is wasted if we all learn something. cheers, Aus
  9. OK, in the meantime as well, check these links out to get ideas on other ways you can possibly go. These are just some of the methods that keypads can be interpreted into the PLC, saving on the number of inputs. You can consider them all during thinking about how you want to do things. For the idea of keypad matrix: https://www.sparkfun.com/products/8653 (look at all the pictures on the page, one explains matrix) Taking it one step further and making it BCD: https://www.rapidonline.com/rapid-keyboard-encoder-project-kit-70902 This pdf (from the above page) explains it https://www.rapidonline.com/pdf/70-0325.pdf Another way: https://stevenengineering.com/pdf/18KP_612A.pdf cheers, Aus
  10. OK. Still confusion. I'm assuming you are talking about having your push button "1" connected to Digital Input (DI) 1. Then your button 2 on DI 2 and so on. This will use many of the inputs, which is OK if you have them to spare. You saying "port" in some ways means the serial connection socket, hence my question. There are other ways of doing this, but......... Before I go any further, have you considered using a cheap touch screen computer running Remote Operator, directly linked to the PLC? In some ways this will be the easiest method of the lot as you can use the inbuilt number entry methods in Visilogic etc, but via a touch screen instead of the membrane keys. You may end in similar costs by the time you cost out keypads etc doing it the other way. You can find RO here to trial it: http://unitronicsplc.com/Download/SoftwareUtilities/Remote Operator V1.0.67.zip In the same thinking, maybe go up a PLC model to one that has a touchscreen as standard? cheers, Aus
  11. What exactly do you mean by this? Using 4 digital inputs for BCD? Using the serial port? cheers, Aus
  12. Hi Juan, to clarify this, I need to do some testing. Pls give me a day, can't do it now. Someone else is welcome to look at this idea if they have time at present. cheers, Aus
  13. Are you wanting to use JUST the external pad, or do you still want to have BOTH methods concurrently active? I think this is important, it might make the programming easier. Have a screen where you can choose which method, before you get to the settings screens. It then alters methods considerably. cheers, Aus
  14. 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
  15. Glad it's fixed. It is annoying when it happens 'cause you don't really consider it. And let's remember they're such low voltages etc that the slightest separation stuffs things. We have a name for such a small distance in Aus, but I'd better not post that! Then the damn cable works when you put it somewhere else due to a different angle blah blah. Into the recycle bin immediately!! And you learnt some other stuff along the way, which is always useful. cheers, Aus