6 Assembly Instructions
6.4.2 Pt100 (EEx i) via ExMFE5 Board
Hazardous Area Safe Area enCore device
ExMFE5 board
I+
U+
U−
I−
SH
Pt100, EEx i
Fig. 6-7: Pt100 (EEx i) via ExMFE5
Characteristics ExMFE5:
• intrinsically safe, galvanically isolated input safe circuits of the
category [Ex ib Gb] II C for 4-wire-PT100 temperature sensor;
active signal converter integrated in input as “associated electrical
equipment” according to EN50020
• max. measurement error: ±0.05
% of the measurement
(in the measuring range −10 to +60 °C and between 0 to +40 °C
ambient temperature)
• max. cable length: 500 m
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