With Startdrive
Preconditions
● You are online with Startdrive.
● You have selected one of the two following settings:
– Extended functions via onboard terminals
– Extended functions via PROFIsafe and onboard terminals
Procedure
To set the filters for the fail-safe digital inputs, proceed as follows:
1. Select "F-DI / F-DO / PROFIsafe".
2. The discrepancy time (simultaneity monitoring) tolerates signal changes at the fail-safe
digital input that do not occur simultaneously.
3. The input filter suppresses brief signal changes
You have set the filter for the fail-safe digital inputs.
Description of the signal filter
The following filters are available for the fail-safe digital inputs:
● One filter for the simultaneity monitoring
● A filter to suppress short signals, e.g. test pulses.
Set the discrepancy time for the simultaneity monitoring.
The inverter 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 inverter tolerates brief discrepancies.
The discrepancy time does not extend the inverter response time. The inverter selects its safety
function as soon as one of the two F-DI signals changes its state from high to low.
Commissioning
5.12 Setting extended functions
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD 159
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