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PACTware
PACTware™ is the first open source Process Automation Configuration Tool with an open FDT interface
(Field Device Tool). For the first time this enables all field buses and field devices in a system, independent
of the manufacturer, to be configured and assigned parameters using a single engineering tool.
Representative example on the basis of PACTware
The PACTware user interface is divided into two parts: The project tree is located in the left part; the data
and input fields being represented in the right.
The system structure is represented in the project tree. Above the HART multiplexer there is a HART driver
and above that a host system (PC). All the connected multiplexer slaves are to be found under the HART
multiplexer master and also the internal one that is indicated as having the slave address 0.
Under these slave units there are the HART-compatible field devices.
2.3.4
System construction with and without multiplexer slaves
In a system structure without multiplexer slaves, only one multiplexer master is used. The arrangement is
restricted to 16 HART channels. With two to three messages per second, the system cycle time can be up
to one minute.
In a system structure with multiplexer slaves, one multiplexer master and up to 15 slaves are used. The
number of channels per slave is extended by 16, so that in the fully-developed structure 256 HART channels
are available. With two to three messages per second, the system cycle time is several minutes.
RS 232
RS 485
Power Rail Insert
K F D 2 - E B 2
!
4 AT
7
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9
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24 VDC
RS 485
Figure 2.4: Multiplexer system structure
The connection between the field devices and the control system is the same in both cases and can take
place via motherboards or Flex-Interfaces (see section 2.3.5 and 2.3.6).
Subject to reasonable modifications due to technical advances.
Pepperl+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
Management
Software
HART connector to Flexible Interface Board or Motherboard
Converter
K F D 2 - H M M - 1 6
ON
ON
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14 way ribbon cable
Up to 15 HART Mux Slaves per Master
Up to 31 HART Mux Masters
HART Multiplexer Master KFD2-HMM-16
HART signals from smart field instruments -
16 smart field devices per Slave and Master
K F D 0 - H M S - 1 6
Product description
26 way ribbon cable
K F D 0 - H M S - 1 6
DIN Rail
Copyright Pepperl+Fuchs, Printed in Germany
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