Introduction
3.2 AS-i Safety product overview
Safety engineering with AS‑Interface in the SIMATIC ET 200SP, including typical circuit diagram
16 Function Manual, 08/2020, A5E44991382002A/RS-AB/002
3.2 AS-i Safety product overview
This section provides an overview of ASIsafe components as well as the accessories available
to help you assemble, install, and use these components. The tables contain images of the
products and their features.
AS-i safety components
F-CM AS-i Safety ST and CM AS-i Master ST
Expansion of a standard AS-Interface network to include
safety-related communication through an F-CM AS-i Safety ST
fail-safe communication module.
The F-CM AS-i Safety ST module has no AS-i master
functionality. A CM AS-i Master ST module is required for
operation of the AS-i network.
• Gateway between PROFIsafe and ASIsafe, without master
functionality
• Expands a standard AS-i network to include safety-related
communication (ASIsafe)
• Monitoring of up to 31 safety-related input slaves
• Control of up to 16 safety-related AS-i output slaves or
switch-off groups
• Power supplied from the AS-i voltage
• Various interconnection types (1oo1 and 1oo2) may be
used
• A parameterizable input delay from 0 ms to 150 ms can be
assigned to each channel
• Startup test can be activated for each channel
• Discrepancy monitoring can be configured for each
channel
• Sequential monitoring can be set for each channel
• Channel-wise passivation
• Test for 0 signal before reintegration
• 8 LED displays for status and error diagnostics
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