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PSoC™ 5, 3 & 1 Forum Discussions

chmoc_1567941
Level 4
Level 4

is that possible to make 3- wire rtd on psoc1???

   

if yes than what is the option for the exitation current for rtd in psoc 1???

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Bob_Marlowe
Level 10
Level 10
First like given 50 questions asked 10 questions asked

What is RTD???

   

 

   

Bob

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chmoc_1567941
Level 4
Level 4

Resistance Temperature Detectors.....PT100

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Bob_Marlowe
Level 10
Level 10
First like given 50 questions asked 10 questions asked

Have a look at this code example.

   

 

   

Bob

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chmoc_1567941
Level 4
Level 4

i read this appnote but my confused in excitation current for 3 wire rtd...thermister dont need excitation current for give temperature.

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Bob_Marlowe
Level 10
Level 10
First like given 50 questions asked 10 questions asked

Did you see all this documents?

   

 

   

Bob

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chmoc_1567941
Level 4
Level 4

yeah i show all the document but still i cant get any solution for 3 wire rtd...it is available for psoc 3-5 but block they are used .it is not available in psoc1 like they are used IDAC componant for excitation current.

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Bob_Marlowe
Level 10
Level 10
First like given 50 questions asked 10 questions asked

You will have to develop an external current source yourself, controlled by an output pin, preferrably.

   

 

   

Bob

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