Controlling the safety functions
5.4 Activating "SBC" via the Safe Brake Adapter
Safety Integrated
Function Manual, 08/2023, A5E03264275A
89
Safety instructions
Note
The integrated safety functions, starting from the Safety Integrated (SI) input terminals of the
SINAMICS components (Contro
l Unit, Motor Module), satisfy the requirements according to
61800-5-2, IEC 60204-1, ISO 13849-1 Category 3 for Performance Level (PL) d and
61508 SIL 2.
With the Safe Brake Adapter (option K89), the requirements specified in IEC
61800-5-2,
60204-1 as well as ISO 13849-1 Category 3 for Performance Level (PL) d and
IEC 61508 SIL 2 are complied with.
Device defective because a 24 V DC brake has been connected
If a 24 V DC brake is connected to option K88, Safe Brake Adapter 230 V AC on the plant
side, then this can damage the Safe Brake Adapter.
This can result in the following undesirable effects:
1. Closing the brake is not displayed on the LEDS.
2. The fuse is ruptured.
3. The contact service life of the relay is reduced.
Do not connect a 24 VDC brake to the 230 V AC Safe Brake Adapter.
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