simotion 425 themperature channel, negative temperature

hello 

I am using a simotion 425 and try to use the themperature channel in order to control temperature

I am using as analog in a ET200 4 AI TC ST conected to J TC

I am geting a negative value at the ambient temperature

can any body help?

thank you

Juan

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Split from Technology Temperature Simotion D425.

any one can tell me what parameters should be change

and what should be the  change in order the channel 

will be cooling control only?

thank you

Juan