Module for Safe Motion Monitoring


The compact I/O module PSSu K F EI for the PSS 4000 automation system monitors safe speed, direction of movement and stop functions.

The module has local fast shutdown of drives to reduce reaction time and increase productivity. Up to 8 axes per controller can be monitored up to Performance Level (PL) d, making this solution effective for larger applications.

Users can set up the speed functions via the software tool and it is even possible to change threshold values during operation.


  • Suitable for larger applications
  • Up to 8 axes per controller
  • Speed monitoring in accordance with EN 61800-5-2
  • Safety functions: Safe Speed Monitoring (SSM), Safe Speed Range (SSR), Safe Direction (SDI), and Safe Operating Stop (SOS)

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