Fail-Safe Electronic Modules - Siemens SIMATIC Operating Instructions Manual

Fail-Safe Electronic Modules

Overview
Fail-safe digital modules are available for connecting digital sensors or encoders and
actuators or loads to ET 200pro. This chapter provides the following information for each fail-
safe module:
● Properties and specific characteristics
● Front view, terminal assignment for connection modules and block diagram
● Wiring diagram and assignable parameters
● Diagnostic functions, including corrective actions
● Technical specifications
Description of Applicable Electronic Modules and Connection Modules
The applicable standard electronic modules and standard connection modules are described
in the
ET 200pro Distributed I/O System - Fail-Safe Modules
Operating Instructions, 05/2007, A5E00394073-02
WARNING
The fail-safe performance characteristics in the technical specifications are applicable to
a proof-test interval of 10 years and a mean time to repair of 100 hours.
ET 200pro Distributed I/O Device
manual.
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