Setting The Filter For Fail-Safe Digital Inputs - Siemens SINAMICS G115D Operating Instructions Manual

Parameters
Parameter
r9773.0...31
6.13.2.5

Setting the filter for fail-safe digital inputs

Overview
The following filters are available for the fail-safe digital inputs:
• A filter for the simultaneity monitoring
• A filter for suppressing short signals, e.g. test pulses.
Function description
Discrepancy time for the simultaneity monitoring
The converter checks that the two input signals of the fail-safe digital input always have the
same signal state (high or low).
With electromechanical sensors (e.g. emergency stop buttons or door switches), the two
sensor contacts never switch at exactly the same time and are therefore temporarily
inconsistent (discrepancy). A permanent discrepancy signifies a fault in the fail-safe digital
input circuit, e.g. wire breakage.
When appropriately set, the converter tolerates brief discrepancies.
The discrepancy time does not extend the converter response time. The converter selects its
safety function as soon as one of the two F-DI signals changes its state from high to low.
SINAMICS G115D distributed drive
Operating Instructions, 09/2020, FW V4.7 SP13, A5E48681219B
Description
CO/BO: SI status (processor 1 +
processor 2)
Advanced commissioning
6.13 Safe Torque Off (STO) safety function
Setting
Display and BICO output for the Safety Integrated
status on the drive (processor 1 + processor 2).
Bit 0: STO is selected in the drive
Bit 1: STO is active in the drive
Bit 31: Test stop is required for STO
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