Connect PT100 to 1214C

AUTOMOTO21

Dears.

Please see attached picture.

It seems that the integrated AI signals in 1200 CPUs do not support 4-20 mA inputs and will work only for 0-10 V analog signals.. is this the case? and is there a way to change the type of this input?

Thanks

How can I conected this resistors? I have PT100 und converter FlexTemp Type 82 23-515 and S7-1200 1214C 

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Split from 0-10 V to 4-20 mA.

Hello ivicc,

you can use a signal conditioner to change current signal to voltage signal.
Please see tis link

https://www.phoenixcontact.com/online/portal/us?uri=pxc-oc-itemdetail:pid=2902040&library=usen&pcck=P-13-15-05-01&tab=1

This is a universal signal conditioner for voltage and current signals.

You can also you use a precision resistor with 500 Ohms, which you connect between analog input and analog ground. 

In my opinion is the best solution the signal conditioner.

regards
CaOd

Hello ivicc,

sorry for my late answer, but I was out of office.

Of course you can use a resistor at between + and - at the PLC, but you have a challenge for scaling the analog value (4 mA = 2 V). 

I would use the signal conditioner from Phoenix Contact or a different one.
Then you have a signal 0...10 V and no challenge to scale your analog value. 

regards
CaOd