BL20 electronic module. 2 Analog Inputs for Pt and Ni Sensors. Ident. no.: 6827017. Fieldbus and connection technology independent. Protection class IP20. LEDs indicate status and diagnostic. Electronics galvanically separated from the field level via optocouplers. 2 analog inputs for Pt100, Pt500 and Pt1000 as well as for Ni100 and Ni1000