VEGA KT-MB-GTB-2PS Compact PROFIBUS Power Hub User Manual
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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 +65-67-799091 • Internet www.pepperl-fuchs.com
1
Compact PROFIBUS Power Hub, Segment
Coupler
Connection to
Bulk Power Supply
2 segments PROFIBUS PA
"High-Power Trunk"
G: Gateway
P: Power Supply Module
G P P
PROFIBUS DP
Composition
Fieldbus power supply for PROFIBUS
PA and transparent segment coupling
to PROFIBUS DP
• Two PA segments for a maximum of
62 instruments
• High-Power Trunk concept for
maximum devices and long cable
runs
• Motherboard design for simplified
installation/wiring/maintenance
• High efficiency, low heat dissipation
for highest packing density and long
service life
• Module exchange without tools while
the system is energized
The compact PROFIBUS Power Hub is
a motherboard-based segment coupler
for installations with one or two
PROFIBUS PA segments. It transpar-
ently couples PA segments to a
PROFIBUS DP line and supplies power
to PROFIBUS PA field devices. All PA
slaves appear as if they are connected
to the DP network and are configured
that way with the original configuration
software of the DP Master or control
system. The compact PROFIBUS
Power Hub itself is configuration free.
All electronic modules are plugged into
a motherboard. Quick exchange of
modules is possible without tools.
Power Supply Modules feature low heat
dissipation. This and the consistent use
of passive components resulting in
good signal quality and a very long
service life.
The Power Hub feeds the High-Power
Trunk for maximum cable lengths and
highest number of field instruments in
any explosion hazardous area: High
energy level on the trunk line is limited
at each spur connection via smart
FieldBarriers or Segment Protectors.
Field devices can be installed in the
hazardous area and maintained while
the system is energized.
Function
Connection