Siemens SIMATIC CFU User Manual
SIMATIC
Compact Field
Unit PA Edition
Plug-and-produce simplicity and
more flexibility through consistent
decentralization
Ready for a change in perspective at the field level?
Digitalization offers important impulses for the process
industry. You can benefit from higher flexibility with more
simple device integration at highest availability. With our
new approach to field device connection, the SIMATIC
Compact Field Unit (CFU) makes it possible to transfer your
conventional system concept into a digital plant.
What are the challenges you face today with field device
connection?
• High effort for device integration and replacement
• Time-consuming, error-susceptible wiring and
marshalling ross multiple levels, resulting in complex
hardware FAT
• Miles of copper cabling, thousands of terminal points
• High planning and documentation costs
• Variety of individual control cabinets
• Large numbers of different components and protocols
require costly spare parts inventories and training
The SIMATIC CFU has the answer to these challenges!
• Plug-and-produce simplicity
• More flexibility through consistent decentralization
The new thinking is already here
• From a centralized to a distributed I/O
approach: Achieve highest flexibility through
modularization of your plant.
• From static to freely-configurable I/O: Benefit
from highly comfortable software wiring.
• From complex to simple device integration:
The name of the game is plug-and-produce
instead of trial and error.
• From specific to standardized solutions:
Makes full cost control over the plant lifecycle
possible.
siemens.com/simatic-cfu
The new SIMATIC CFU is a real game changer in field device
SIMATIC CFU PA
connection and offers entirely new perspectives regarding
simplicity and flexibility. This compact field unit is installed
at the process level and is connected via PROFINET directly
to the process control system to form the foundation for
digitalization in the field. Utilization of digital fieldbus
communication simplifies field device interfacing considerably compared to conventional 4…20-mA technology.
This absolutely innovative realization of the implementation
of the PROFIBUS PA concept makes it possible to combine
the simplicity of a point-to-point wiring system with the
scalability of digital PROFIBUS PA fieldbus communication.
As with digital field devices, it is not necessary to know
prior to connection whether the discrete field device is a
sensor or actuator – this is automatically identified and
configured when the device is connected.
Plug-and-produce simplicity
Digitalization requires a consistent and digital communication
down to the sensors and actors. This can be built up using
the tried and tested, standard PROFIBUS PA which has been
implemented into the PA Edition of the SIMATIC CFU, thus
combining ruggedness and simplified integration with all
the advantages of the PROFINET standard based on Industrial
Ethernet. Connected devices are addressed automatically,
and device integration is simple via standardized communication profiles.
More flexibility through consistent decentralization
Thanks to the installation directly in the field, classic control
cabinets are no longer required, resulting in significant
savings for cables and number of terminations as well as
reduction of planning and documentation effort. The high
granularity (16 I/O per SIMATIC CFU) enables flexible assignment to the higher-level controllers.
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