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HART Multiplexer System KFD*-HM*-16
Product specification
3.3.4
System construction
Note
External assembly
Management
Software
Converter
RS 232
RS 485
24 VDC
connection
The wiring of the single I/O components of the HART product portfolio is done via a
Termination Board. Since a wide variety of Termination Boards is available, only the
basic wiring options should be described here.
Field devices and DCS are connected via Termination Boards in every case. More
detailed information to connection layout can be found in the data sheet of the
according Termination Board
Multiplexer Master and Slaves are installed on Flex Interfaces, which transmits the
signals via screw terminals. In this case the Termination Board provides the
connection to the Multiplexer parallel or serial. This assembly method is completely
independent of DCS and eventually used field barriers.
Up to
16
field devices
Power Rail insert
K F D 2 - H M M - 1 6
K F D 2 - E B 2
ON
ON
!
4 AT
7
8
9
13
14
15
16
17
18
10
11
12
19
20
21
RS 485
up to 31 HART Multiplexer Masters
Figure 3.4
External assembly of Multiplexers
Flex-Interface
Up to
16
field devices
K F D 0 - H M S - 1 6
14 way ribbon cable
up to 15 HART Multiplexer Slaves per Master
DCS
Flex-Interface
26 way ribbon cable
DIN Rail
15
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