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6
6.4.9
HART Measurement Transmitter (EEx d) via MFE7 Board
(without barrier, internal Power Supply)
Hazardous Area
HART pressure
transmitter, EEx d
HART temperature
transmitter, EEx d
Fig. 6-14: HART pressure and temperature transmitter (EEx d) via MFE7 – example
Characteristics MFE7:
•
a galvanically isolated input safe circuit for a transmitter with HART
interface
•
an active signal and protocol converter integrated in input:
−
open-circuit voltage:
−
voltage at 20 mA:
−
max. load:
−
max. 4 transmitters:
thereof max. 1 transmitter in burst mode
Up to and including basic system version 03-24, you could use either up to
11
4 × transmitters in multidrop mode or 1 × transmitters in burst mode.
12
Burst mode is not supported by all transmitters.
enCore FC
Safe Area
+
−
HART
communicator
approx. 21 V
approx. 12.6 V
600 Ω
Operating Instructions
Assembly Instructions
enCore device
MFE7 board
A1+ or A2+
A1− or A2−
SH
(source mode)
11, 12
Page 65 of 120
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