Catalog LV 70 2011 - Low & Medium Voltage - Siemens

© Siemens AG 2011
Busbar Trunking Systems, Overview
Communication-capable busbar trunking
for industry and buildings
■ Overview
Busbar trunking systems
The strengths of busbar trunking lie in the transmission and distribution
and the switching and contacting of electrical power.
The integration of automation and building management systems
in the Siemens busbar trunking systems results in additional
benefits and at the same time increases the flexibility of the
busbar trunking.
The combination of standard tap-off units with standard ancillary
equipment units ensures efficiency particularly in planning,
installation and operation.
Advantages of the system solution during planning:
• Modular system
• Tested standard components
• Free choice of bus system
• Use of common bus systems
Advantages of the system solution during start-up:
• Easy and quick installation
• Start-up in steps possible
• Flexible in case of expansions and modifications
Advantages of the system solution during operation:
• Transparency of switching states
• Central recording of power costs
• Increase in plant availability as a result of immediate detection
of the type of fault and its location
• Preventive maintenance through recording of operating hours
and operating cycles
System concept of communication-capable busbar trunking
systems
Switching and signaling with the BD2 system
The standardized tap-off units of the busbar trunking systems
can be combined with standard types of device unit to form a
system solution of communication-capable busbar trunking.
The standard applications are assembled at the factory from a
combination of tap-off unit and ancillary equipment unit. The bus
cable for transmitting the data signals is laid in a cable duct
which must be mounted on the trunking unit.
With the CD-K lighting system, transmission of the bus signals 1) ,
e.g. DALI for lighting control, can take place directly through the
busbar.
1) Communication systems on request.
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