SEW-Eurodrive MOVIGEAR MGFx-DSI Series, Operating Instructions Manual

Page: 370 / 408

12
Functional safety
Safety conditions
Operating Instructions – MOVIGEAR
®
performance
370
– The next switch-off test pulse may only occur after a time period of 2 ms at the
earliest.
– A maximum of 3 switch-on test pulses may be generated in sequence at an in-
terval of 2 ms. Wait for at least 500 ms after any package before you generate
another switch-on test pulse or another switch-on test pulse package.
– The signal levels must be played back by the safety controller and compared to
the expected value.
12.3.4 Requirements on startup
• To validate the implemented drive safety functions, they must be documented and
checked after successful startup.
• Observe the restrictions for drive safety functions in chapter "Restrictions" for the
validation of the safety functions. Non-safety-related parts and components that af-
fect the result of the test (e.g. motor brake) must be deactivated, if necessary.
• For using the drive unit in safety-relevant applications, it is essential that you per-
form and record startup checks for the disconnecting device and correct wiring.
25887548/EN – 04/2019