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PROFIBUS Power Hub Segment Coupler 3 (SK3)
Product Specifications
The MBHC-FB-4.GT compact motherboard features slots for HD2-GTR-4PA 1 gateway,
4 simplex power supply modules, and 1 diagnostic module.
Gateway Module
The Segment Coupler 3 gateway module HD2-GTR-4PA connects 4 PROFIBUS PA segments
to PROFIBUS DP. Together with fieldbus power modules, PROFIBUS PA segments are
supplied directly via fieldbus lines.
Coupling is transparent, so each PA device is addressed and configured as a PROFIBUS DP
device.
The HD2-GTR-4PA module includes 4 PROFIBUS PA masters for time-independent data
transfer.
An FDT/DTM-based PC software is available for the parameterization of the gateway and for
performing several status and diagnostic functionalities.
When used with the respective motherboard, 2 gateways provide redundant coupling. HD2-
GTR-4PA supports the PROFIBUS "flying redundancy" as well as all non-redundant masters.
Fieldbus Power Supply Modules
The fieldbus power supplies supply the PROFIBUS PA segments with power. For different
application requirements, dedicated power supply modules are available:
HCD2-FBPS-1.500. Output: 30 V at 500 mA with an intrinsically safe limited voltage for
■
Zone 2 of U
HCD2-FBPS-1.23.500. Output: 23 V at 500 mA with an intrinsically safe limited voltage for
■
Zone 2 of U
HD2-FBPS-IBD-1.24.360. Output: 24 V at 360 mA for intrinsically safe (DART) segments
■
installed in Zone 1
The power supply modules provide full galvanic isolation between the bulk power supply and
the PA segments. The modules offer system reliability for applications where cabling and wiring
are routed through critical or harsh electrical environments, with full protection from
electromagnetic interference (EMI).
Power supply modules are plugged into the motherboard slots and can be exchanged during
system operation. In redundant configuration, load is shared between 2 power supply modules.
Diagnostic Modules
Basic Diagnostic Module
The basic diagnostic module provides basic system diagnostics. It monitors the input voltage
of the bulk power supply and each segment for overload and short circuit conditions. Each
power supply module is checked for proper function. Power supply modules operating in
redundant configuration are checked for compatibility. LEDs indicate both status and fault
information. This information can be transmitted via volt-free contact.
For further information refer to the manual "Basic Diagnostic Module " at www.pepperl-
fuchs.com.
Advanced Diagnostic Module
The advanced diagnostic module is a comprehensive measurement tool for the PROFIBUS PA
physical layer, and supports commissioning, online monitoring, and maintenance tasks. The
module provides the exact segment and individual device data needed for detection of
changes in the fieldbus physical layer. Segment measurements include fieldbus voltage and
load current. Device-specific measurements are signal level, noise, and jitter. All data is
transmitted to the control room via Ethernet. The basic edition of the diagnostic manager
10
= 30 V
o
= 24 V
o
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