Fail-Safe Electronic Modules
8.3 F -Switch PROFIsafe Digital Electronic Module
ET 200pro Distributed I/O System - Fail-Safe Modules
Operating Instructions, 05/2007, A5E00394073-02
139
Technical Specifications
Protection against Overvoltage
Protection of supply voltage 1L+ and 2L+ from
surge in accordance with IEC 61000-4-5 with
external protection elements only
• Symmetrical (L+ to M)
+ 1 kV; 1.2/50 μs
• Asymmetrical (L+ to PE, M to PE)
+ 2 kV; 1.2/50 μs
Protection of inputs from surge in accordance
with IEC 61000-4-5 with external protection
elements only
• Symmetrical (L+ to M)
+1 kV; 1.2/50 μs
• Asymmetrical (L+ to PE, M to PE)
+2 kV; 1.2/50 μs
Protection of supply voltage 1L+ from
overvoltages
Internal fuse tripped
*: Identification sets are described in the "ET200 pro Distributed I/O System" manual.
**: For requirements for sensors and actuators, see "
Requirements for Sensors and Actuators
"
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