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BKI15ATEX0013X/1
HART
Us
P F - 01-4
4-20mA
(
)
0-20mA
Transmitter
66
R 250
≥ Ω
Figure 4. Wiring of a HART capable (3-wire) Unicont in the current loop of a 4-wire transmitter.
HART
L+
L-
SH
+Us
4-20mA
4-20mA
Transmitter Ex
1
P F- 01-8/B/D Ex
Ex
Ex
HA
RT
6
1
6
1
Transmitter Ex
2
R = 250
Ω
P F- 01-8/B/D Ex
Multicont
Ex
Figure
5.
Wiring of
3
-wire
Uniconts with Multicont controller and 2-wire transmitters
