Siemens SIMOTION Equipment Manual page 67

If no auxiliary contacts are available, overvoltage protection must be used. Protective circuits
with a freewheeling diode or a diode combination with a Z-diode are possible. RC elements and
varistors are not suitable due to the remaining residual voltages.
Additional references
For information on configuring the digital I/Os as freely addressable I/Os, inputs of measuring
inputs or outputs of output cams, see the SIMOTION D410-2 Commissioning and Hardware
Installation Manual.
For information on the configuration and function of the measuring input and output cam
technology objects, refer to the SIMOTION Output Cams and Measuring Inputs Function Manual.
SIMOTION D410-2
Equipment Manual, 07/2021, A5E33446720B
4.6 Digital I/Os / temperature sensor / analog input
Interfaces
67