ET 200pro Distributed I/O System - Fail-Safe Modules
Operating Instructions, 05/2007, A5E00394073-02
55
Fail-Safe Electronic Modules
8
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
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.
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 Device
manual.
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