Siemens CU240B-2 - Setting the Filter for Safety-Related Inputs

Advanced commissioning
6.8 Safe Torque Off (STO) safety function
Converter with the CU240B-2 and CU240E-2 Control Units
336 Operating Instructions, 01/2016, FW V4.7 SP6, A5E34259001B AC
6.8.3.6
Setting the filter for safety-related inputs
Requirement
You are online with STARTER or Startdrive online.
Procedure with STARTER and Startdrive
To set the input filter and simultaneity monitoring of the safety-related input, proceed as
follows:
1. Navigate to the filter settings.
Image 6-64 Input filter and simuntaneity monitoring in STARTER
Image 6-65 Input filter and simuntaneity monitoring in Startdrive
2. Set the debounce time for the F-DI input filter.
3. Set the discrepancy for the simultaneity monitoring.
4. Only applies to STARTER: Close the screen form.
You have set the input filter and the simultaneity monitoring of the safety-related input.
Description of the signal filter
The following are available for the signal processing of the safety-related inputs:
● A tolerance time for the simultaneity monitoring.
● A filter to suppress short signals, e.g. test pulses.