Siemens SIMATIC Operating Instructions Manual page 4

Preface
Approvals
See "Standards and Approvals"
In addition, ET 200pro fail-safe modules are certified for use in safety mode up to the
following levels:
● Safety class SIL3 (Safety Integrity Level) in accordance with IEC 61508
● Category 4 in accordance with EN 954-1
● Performance Level e in accordance with ISO 13849
CE Certification
See "Standards and Approvals"
Certification Mark for Australia (C-Tick Mark)
See "Standards and Approvals"
Standards
See "Standards and Approvals"
4
ET 200pro Distributed I/O System - Fail-Safe Modules
Operating Instructions, 05/2007, A5E00394073-02