Jazz and pt 100

[t0r3r0s]

Greeatings.

 

I buy jazz 11 pt15 and i will try to make one temperature regulator.

Can someone explane me how can i read signal from pt100 , have someone some examples.

Must I do linearization or something else .

 

Thank you

[Joe Tauser]

That model is for a 1000 ohm RTD.  A PT100 won't work.

Joe T.

[t0r3r0s]

16 hours ago, Joe Tauser said:

That model is for a 1000 ohm RTD.  A PT100 won't work.

Joe T.

Ok , I replace my pt100 with pt1000 , have you some examples for that

[Kikis]

Hello,

 

You don't need to use any special function for reading the temperature.

In hardware configuration within the software, select PT1000 for the analog channel on which you have connected your RTD and link an MI to it.

Temperature reading from the sensor is directly stored in this MI.

You can also apply a filter and switch between Celsius and Fahrenait.

 

Temperature range for PT1000 is -50° to 400°C  with a resolution of 0.1°C.

So if your MI reads 254, it will be 25.4°C.

 

Attached is an example for your reference.

 

 

PT1000_EXAMPLE.U90

[t0r3r0s]

On 11/23/2017 at 5:32 PM, Kikis said:

Hello,

 

You don't need to use any special function for reading the temperature.

In hardware configuration within the software, select PT1000 for the analog channel on which you have connected your RTD and link an MI to it.

Temperature reading from the sensor is directly stored in this MI.

You can also apply a filter and switch between Celsius and Fahrenait.

 

Temperature range for PT1000 is -50° to 400°C  with a resolution of 0.1°C.

So if your MI reads 254, it will be 25.4°C.

 

Attached is an example for your reference.

 

 

PT1000_EXAMPLE.U90

thank you for your answer.

 

 now i have problem with compare the value from pt1000 and set value.

i choose xxxx.x format for pt value and xxxxx for set value.

if i set pt>set value I activate output but when it is set value greater than pt value same reaction output is high , can you help

[Flex727]

The PT1000 value has an implied decimal point. Your set value doesn't. In order to do a compare you need both values to have the same number of implied decimals. The easiest thing to do is to use a set point that also has one implied decimal, but is you want to enter whole numbers only then you need to multiply the entered set value by 10 (and store it in a separate place) before you do the compare.