Introduction
3.2 AS-i Safety product overview
Safety engineering with AS‑Interface in the SIMATIC ET 200SP, including typical circuit diagram
18 Function Manual, 08/2020, A5E44991382002A/RS-AB/002
System components and accessories
Power supply units and data decoupling
The AS-i power supply unit allows the simultaneous
transmission of data and power on the same two-wire line.
Alternatively, a combination of a standard power supply unit
and AS-i data decoupling can be used.
• Various levels (3 A, 5 A, 8 A etc.)
• Ground fault detection included
• AS-i power supply unit (30 V) with integrated data
decoupling
• 30 V power supply units without data decoupling
• AS-i data decoupling modules
Addressing unit for commissioning
Simple address assignment to the slaves with wiring test
during commissioning
• Addressing of all nodes in the AS-Interface network
(standard and A/B slaves)
• Readout of the slave profile (IO, ID, ID2) and ID1 code
• Adjusting the slave parameters for commissioning
• Measurement of the AS-Interface voltage
• Enables direct setting of outputs and reading in of inputs in
a slave
• Readout of the code table of safe input slaves
• Saving of complete plant configurations
Analyzer for maintenance and service
Quality assessment of an AS-Interface network with report
printout and frame recording for on-site and remote
diagnostics
• Checks quality and proper functioning of AS-Interface
installation
• Transfers data to a PC/PG via an RS 232 interface
• Software-based evaluation
• Automatic generation of test reports
• Advanced trigger functions for accurate analysis
• Bundle error display for support of preventive diagnostics
• Process data can be monitored online
Rapid replacement and connection to AS-Interface thanks to
piercing technology
• Trapezoidal profile prevents reverse polarity
• Cables for various application conditions made of
correspondingly optimized material
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