Siemens SIMATIC ET 200S Installation And Operating Manual page 4

Preface
Approvals
See Chapter "Standards and Approvals"
In addition, ET 200S fail-safe modules are certified for use in safety mode up to the following
levels:
• Safety class SIL3 (Safety Integrity Level) in compliance with IEC 61508
• Requirement class 6 in accordance with DIN V 19250 (DIN V VDE 0801)
• Category 4 in accordance with EN 954-1
CE Approval
See Chapter "Standards and Approvals"
Certification Mark for Australia (C-Tick Mark)
See Chapter "Standards and Approvals"
Standards
See Chapter "Standards and Approvals"
iv
ET 200S Distributed I/O System - Fail-Safe Modules
Hardware Installation and Operating Manual, 07/2005, A5E00103686-04