Siemens SIMATIC, Operating Instructions Manual

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Switching of Loads
E.2 Switching of Inductive Loads
ET 200pro Distributed I/O System - Fail-Safe Modules
Operating Instructions, 05/2007, A5E00394073-02
161
E.2 Switching of Inductive Loads
Switching of Inductive Loads for EM 4/8 F-DI/4 F-DO DC24V/2A PROFIsafe
The diagram below shows the maximum permitted inductive load as a function of the load
current and switching frequency.
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Figure E-3 Relationship between Load Resistance and Inductive Loads