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Siemens TX-I/O Engineering and installation guide CM110562en_13
Building Technologies Introduction 2019-05-15
1.7 Where are the TX-I/O™ modules used?
In hardware terms, a typical building automation and control system includes the
following three areas:
Area
Brief description
Management station
(management level)
The management station is the workstation from which the
operator manages and monitors all the building services plant
in the building automation and control system.
Control panel
(automation level,
described in this
document)
The control panel accommodates the following devices:
– Automation stations
– Bus interface module
– Power supply modules, bus connection modules
– Island bus expansion module
– I/O modules, connected via the island bus
Building services
(field level)
Refers to the connected equipment, e.g. heating, ventilation
and air conditioning systems, electrical plant etc.
T
T
T
T
10562z148de_01
Bus Interface module
Management level
Building Level Network
Automation level
Automation stations
Island bus
P-Bus
Cabinet
T
T
Wiring to field devices
Field level
(primary plants)
Island bus
Bus connection module
I/O modules
I/O modules
IB expansion
module
Automation
station
Installation box
Field level (Room)
Island bus-
expansion
Island bus
Room
automation
station
Power supply module
M
T
Building Level Network
I/O modules
I/O modules
I/O modules
Bus connec
tion module
Island bus-
expansion
Compatibility of island bus expansion with different series of TX-I/O devices:
see section 10.6.3.
Example: Desigo
Note