5
Assembly Instructions
enCore FC1
Operating Instructions
Page 49 of 97
Characteristics:
•
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
•
maximum measurement error:
±0.05 % of the measurement
(in the measuring range −10 to +60 °C and between 0 to +40 °C
ambient temperature)
•
maximum cable length:
500 m
5.4.3 Pt100 (EEx d) via MFE7 Board
Hazardous Area
Safe Area
enCore device
MFE7 board
RI+
RU+
RU-
RI-
SH
Pt100, EEx d
Fig. 5-8: Pt100 (EEx d) via MFE7
Characteristics:
•
a galvanically isolated input safe circuit for 4-wire-PT100
temperature sensor;
active signal converter integrated in input