Vega KFD2-BR-1.PA.93 Segment coupler for PROFIBUS PA Bedienungsanleitung

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044765_ENG.xml 2003-02-27
Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
KFD2-BR-1.PA.93
Segment coupler
Power supply
Power rail
green
red yellow
PROFIBUS PA
Protocol conversion
PROFIBUS DP
Bus termination
Bus termination
Screen/FE
FE
+
-
+
-
214315
283042 41 40 46 47 4829
VP
CNTR-P
DGND
IEC 61158-2
RS 485
S1
RxD/TxD-P
RxD/TxD-N
Composition
Segment coupler for a non-intrinsically
safe PROFIBUS PA segment
PROFIBUS DP, EN 50170/2, RS
485: 93.75 kbit/s
PROFIBUS PA; PROFIBUS EN
50170/2; IEC 61158-2: 31.25 kbits
Master independent
Up to 32 PROFIBUS PA participants
can be connected to a segment
Supply via PA bus
24 V DC rated operational voltage
Removable terminals and Power
Rail
EMC acc. to NAMUR NE 21
The segment coupler connects a
PROFIBUS PA segment to a PROFI-
BUS segment based on RS 485 trans-
fer technology in accordance with
EN 50170. The Profibus is EN 50170/2
compliant.
The communication process is transpa-
rent. The protocol is transferred without
any changes. Because of this, the seg-
ment coupler works with any PROFI-
BUS protocol and no parameters are
set for it.
The baudrate of the PROFIBUS PA
segment is 31.25 kbit/s in accordance
with IEC 61158-2. The PROFIBUS seg-
ment based on the RS 485 transfer sy-
stem has a baudrate of 93.75 kbit/s.
This baudrate is especially suitable for
mixed operation with DP and
PROFIBUS PA stations.
Power is supplied to devices on the
PROFIBUS PA by the segment coupler
through the bus.
Please note:
No power supply voltage or other exter-
nal voltage can be applied to the seg-
ment coupler on the PROFIBUS termi-
nals.
For additional information, please refer
to the PNO manual for PROFIBUS PA.
Function
Segment coupler for PROFIBUS PA
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Inhaltsverzeichnis

Seite 1 - Composition

1044765_ENG.xml 2003-02-27Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in GermanyPepperl+Fuchs Grou

Seite 2 - Technical Data

2Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in GermanyPepperl+Fuchs Group • Tel.: Germany +49 621

Seite 3

3044765_ENG.xml 2003-02-27Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in GermanyPepperl+Fuchs Grou

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