Totally Integrated Automation - Automation Technology - Siemens

Fail-safe controller –
SIMATIC S7
© Siemens AG 2011
Integration of safety technology in standard automation
Automation systems
• For product environments, that make
greater demands on the safety of personnel,
machinery and environment
• Standard and fail-safe applications in only
one controller
• Reduction of costs for development, installation
and operation of machines that necessitate
safety functions in addition to the
automation
• Low maintenance costs due to extended diagnostics and
shared components
• Meets the highest safety requirements and complies with the relevant
standards: EN 954-1 up to Cat. 4, IEC 62061 up to SIL 3, and
EN ISO 13849-1 up to PL e
• For further information, refer to the chapter Safety Integrated,
page 95 et seq.
Safe, fault-tolerant, and redundant controller –
SIMATIC S7-400H/FH
Continuous operation of plants and protection of
production-critical processes
• High level of availability due to redundant
system configuration, including I/O and
communication
• All changes can be performed in online
mode – both CPUs are automatically
updated
• "Critical": with the S7-400FH as a redundant
or non-redundant system for processes
that are designed for safety and faulttolerance
• Integrated safety functions on one or both CPUs meet the highest safety
level requirements, up to SIL 3
• Programming with the same engineering tool for standard and safety
technology
• Standard and secure communication using PROFIsafe via PROFIBUS
• For further information, refer to the chapter Process control systems,
page 49 et seq.
Siemens TIA Product Guide 2011
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