Pepperl+Fuchs KLD2-PR-1.IEC., Руководство пользователя

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Power repeater / power supply according to IEC 61158-2
FOUNDATION FieldbusPower supply, connections and operating
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Subject to reasonable modifications due to technical advances. Copyright Fuchs, Printed in Germany
Fuchs Group • Tel.: Germany (06 21) 7 76-0 • USA (330) 4 25 35 55 • Singapore 7 79 90 91 • Internet http://www.pepperl-fuchs.com
Figure 7.7: Example: hard grounding on all field bus instruments
Figure 7.8:
Example: capacitive grounding on the power repeater/on the power sup
ply
40
41
Field bus +
Field bus -
12
3
Host side Field side
58
5
9
60
Potential equalization on host side Potential
DC 24 V +
DC 24 V -
FE
+
-
Field device
Shield
+
-
B
u
s te
rm
inat
io
r
Power repeat
er
wi
th
i
n
tr
in
s
ic
a
lly
s
a
fe
In
te
rfa
c
e
T connector/
Distributor box
(Ex are)
Ex area
equalization
P
o
wer repeat
er
40
41
Field bus +
Field bus -
12
3
Host side Field side
58
59
60
Potential
DC 24 V +
DC 24 V -
FE
+
-
Shield
Bu
s te
rm
in
a
tio
r
w
ith intrins
ic
a
lly
s
a
fe
In
te
rfa
c
e
Potential
Field device
+
-
T connector/
Distributor box
(Ex area)
e qualizatio n
Ex area
equalization