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6
6.4.13 HART Measurement Transmitter (EEx d) via MFE7 Board
(redundant, without barrier) – Burst Mode
Hazardous Area
HART transmitter,
EEx d
(burst)
Fig. 6-18: HART transmitter (EEx d) via MFE7 (redundant) – example
Characteristics MFE7:
•
a galvanically isolated input safe circuit for a transmitter with HART
interface for every device; protocol converter integrated in input
−
1
st
device in source mode:
rated voltage:
max. load:
enCore FC
Safe Area
+
−
+
−
HART
communicator
approx. 21 V
300 Ω
Operating Instructions
Assembly Instructions
enCore device 1
MFE7 board
A1+ or A2+
A1− or A2−
SH
(source mode)
enCore device 2
MFE7 board
A1+ or A2+
A1− or A2−
SH
(sink mode)
Page 73 of 120
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