Catalog ST PCS 7.1 - September 2005

■ Overview
The system for field bus simulation with numerous functions
for the factory acceptance test (FAT)
SIMBApro FAT is based on the SIMBApro PCI simulation system.
This permits simulation of the distributed I/O (PROFIBUS DP and
PA) up to unit level.
Aggregate typicals (valves, motors, etc.) are preassembled for
the factory acceptance test of plants.
Import functions for the construction of the distributed I/O (hardware
configuration) and for aggregate wiring (symbol table) enable
FAT solutions to be created quickly and conveniently.
■ Application
Configuration/engineering
• Early detection and clearance of configuration errors
• Early testing of project-specific blocks (technological function,
alarm behavior)
• Early testing of sample solutions (e.g. sequencers)
Factory Acceptance Test
• Shortening the commissioning period thanks to tested configuration
• Test without modifying the original software
• Test of elementary automation functions (measurement and
control loops, switching function)
• Integration test of the entire automation architecture
• Test of safety-relevant functions (emergency shutdowns)
• Documentation of the test results
• Simulation tools such as SIMIT can be linked for plant simulation
Simulation
SIMBApro FAT: Field bus simulation
■ Function
• PCI technology
• Baud rate: max.12 Mbit/s for PROFIBUS DP
• 2 x 125 slaves can be simulated
• Redundancy or 2 PROFIBUS DP buses
• Standard slaves and S7 slaves
• Library available for standard typicals
• Generation of own simulation functions (typicals)
• Import functions (HW-Config., symbol table)
• Definition of import filters
• Generation of distributed I/O faults
Factory acceptance test at unit level
The PC module SIMBApro PCI simulates the complete behavior
of I/O devices on the fieldbus. The simulation is reaction-free, i.e.
for the bus master there is no difference between communication
with real and with simulated I/O devices. During the Factory
Acceptance Test it is therefore possible to test the entire automation
structure from the operator station to the driver connection
and the hardware configuration.
The simulation of the distributed I/O is extended in SIMBApro
FAT to include functions for the Factory Acceptance Test (FAT).
Using the PC program, feedback signals from units (valves,
pumps, switches) can be generated in less time by importing
them from the STEP 7 / PCS 7 symbol table. Apart from normal
plant operation, fault states can also be simulated. All diagnostic
options of the PROFIBUS are available, ranging from missing or
incorrect feedbacks to distributed I/O faults (failure of module,
station or line).
SIMBApro FAT offers a library of easily configurable unit typicals
for fast and reliable simulation of units. This enables feedbacks
from valves, motors etc. to be generated in a simple manner, and
this process can be automated by importing a symbol table. It is
possible to set up a simulation for the factory acceptance test
(FAT) in a very short time.
Users also have the option of creating their own library elements
in order to take the special requirements of their plant into account.
If the requirements for the simulation extend beyond the
FAT functions (e.g. overall plant test), a plant simulation system
(e.g. SIMIT) can have read and write access to the data in the
I/O devices.
Siemens ST PCS 7.1 · September 2005
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