Erroneous calibration of some measuring ranges of the 2AI RTD HF analog input module (6ES7134-4NB51-0AB0 , SIPLUS : 6AG1134-4NB51-2AB0 ) of the SIMATIC ET 200S
AI 2xRTD HF (Article No. 6ES7134-4NB51-0AB0 , SIPLUS: 6AG1134-4NB51-2AB0 )
Affected measuring ranges
· Pt 100, Standard
· Pt 200, Climate
· Ni 100, Climate
· Ni 100, Standard
· Ni 120, Standard
· Ni 120, Climate
· Resistance, 300 ohms
Delivery time September to November 2018 with serial numbers S C-K9, S C-KO and S C-KN , and SIPLUS : L B K9, L B -LO, L B-LN
Modules which were calibrated correctly during the period affected are marked on the front with a color dot next to the function release (see picture).
Possible alternative solution
You can use the measuring range Pt 100 Climate as a replacement for the measuring range Pt 100 Standard without restrictions if the temperature to be measured is in the range between -145 °C and + 155 °C. In this case, only the measuring range parameter would have to be changed.