Old controller (ATR 620) I can’t program the rate per hour!

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  • #10018
    Siobhan Smith
    Participant

    Hi,

    II have a ATR 620 controller which does temperature and time, but not rate per hour.

    I think I’ve almost worked out how to do it, for example, taking the soft fuse program. Segment one & two is:

    1) rate: 300,  target temp: 900,  Soak: 15 (estimated seg time 3:00)
    2) rate: 500,  target temp: 1100,  soak: 00 (estimated seg time :24)

    So, with my controller I’d have to do

    1) temp: 900 time:2:45
    2) temp: 900 time:0:15
    3) temp: 1100 time: 0:24

    And so on… two questions, firstly, I want to make sure I’m calculating the rate correctly. If I’m at 1100 and need to get to 1250 at a rate of 100 ‘f/hr. I just want to make sure i’m translating this correctly into my system.

    Also, when I need to come up to temperature (or down) AFAS do I just put 0:00? For example

    4) rate: 9999 target temp: 1420 soak:15min
    5) rate 9999 target temp: 960 soak:30min

    I put:

    temp: 1420 time: 0:00
    temp 1420 time: 15min

    temp: 960 time: 0:00
    temp: 960 time: 30:00

    I hope these question makes sense. I really need just the basic how to. I have the manual for the ATR 620 controller, but it doesn’t make sense to me. And I don’t know enough about firing schedules to feel confident I’m programming it in correctly. I hope to get a more up to date controller but as with everything, it costs! If anyone can help me out, I’d be most grateful (it’s also confusing because as a Brit I work in Celsius). :)

    Kind regards

    Siobhan

     

    #13057
    Anonymous
    Inactive

    You can download the user manual for this controller here:

    http://en.pixsys.net/products/process-controllers/atr620-199-download

    Also, there is an Excel spreadsheet on this site that does the math for you. Click the “Tools” menu above and select Excel Firing Calculator.



    Paul
    FusedGlass.Org
    Helios Kiln Glass Studio
    PaulTarlow.com

     

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