Technical data

Safety Integrated Functions
8.7 Commissioning
Function Manual
440 Function Manual, 06/2012, 6SL3097-4AB10-0BP4
● Signal source forced dormant error detection (p10007)
Selection of an input terminal for the start of the test stop: The test stop is initiated by a
0/1 signal from the input terminal and can only be performed when the drive is not in
commissioning mode.
● F-DO dynamization test cycle (p10003)
Failsafe I/O must be tested at defined intervals in order to validate their failsafe state (test
stop or forced dormant error detection). Control Unit 305 has a function block for this
purpose. When selected via a BICO source, it executes this forced dormant error
detection (e.g. switching the sensor power supply). Each selection triggers a timer in
order to monitor the test cycle. A message is set on expiration of the monitored time.
Note
For enabled Extended Functions, you cannot use F-DIs which are not used for Extended
Functions, for other functions. Although you can connect the F-DIs, Safety Integrated returns
a discrepancy error message as soon as they are activated. This is because these F-DIs are
monitored for discrepancy even when no Safety functions are assigned to them.
8.7.3.4 Test stop
Testing failsafe I/O
Failsafe I/O must be tested at defined intervals in order to validate their failsafe state (test
stop or forced dormant error detection). For this purpose, SINAMICS S110 contains a
function block which carries out this forced dormant error detection when selected via a
BICO source. A timer is started after every error-free test stop to monitor the time until the
next required test. After this time interval (p10003) has expired, and each time the Control
Unit is switched on, the user is notified via message A01774 that a test stop must be
performed for the F-DI/DO.
● Three test stop modes can be selected for testing the output (see following sections).
● The failsafe digital inputs must be checked by whoever carries out the forced dormant
error detection.