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Kikitron
Junior
Joined: 12 Sep 2016
Posts: 3
Location: Slovenia
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 Posted: 12/09/2016 07:56 Post subject: Ladder programming 4-20mA sensor |
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Hi to all,
Im useing Delta plc and software ISPsoft.
I have problem how to write a program that I can read analog sensor 4-20mA - value from 0-100%.
Can you please help me to write simple program that I can read temperature if I have sensor 0-100°C or pressure sensor 0-250bar?
Then I would like to add if I have 120°C then I have to activate Y0 output for example.
Thanke you in advance for your answer.
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Kris |
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vasca
Junior
Joined: 15 Jul 2016
Posts: 15
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| Posted: 12/09/2016 20:40 Post subject: Re: Ladder programming 4-20mA sensor |
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| Kikitron wrote: | Hi to all,
Im useing Delta plc and software ISPsoft.
I have problem how to write a program that I can read analog sensor 4-20mA - value from 0-100%.
Can you please help me to write simple program that I can read temperature if I have sensor 0-100°C or pressure sensor 0-250bar?
Then I would like to add if I have 120°C then I have to activate Y0 output for example.
Thanke you in advance for your answer. |
try on
https://delta-ia-tips.com/plc-manual/ |
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wildpikachu
Junior 2
Joined: 16 Jul 2015
Posts: 34
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| Posted: 13/09/2016 14:33 Post subject: |
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Hi Kikitron
ISP does have a scaling function however I have always prefered creating my own.
How much do you understand with regards to scaling functions and the maths behind them? |
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Kikitron
Junior
Joined: 12 Sep 2016
Posts: 3
Location: Slovenia
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| Posted: 19/09/2016 07:28 Post subject: |
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| wildpikachu wrote: | Hi Kikitron
ISP does have a scaling function however I have always prefered creating my own.
How much do you understand with regards to scaling functions and the maths behind them? |
I didnt used scaling function. I was looking it in the program and I couldt found it :/
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Kris |
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wildpikachu
Junior 2
Joined: 16 Jul 2015
Posts: 34
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| Posted: 19/09/2016 16:06 Post subject: |
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the built in function is "SCAL" but is it not as easily versatile as the Allen bradley SCP function which is what I tip my function after.
pm me your email address and I'll forward you my function block.
Cheers
Guy |
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