Controlling the safety functions
5.4 Activating "SBC" via the Safe Brake Adapter
Safety Integrated
Function Manual, 08/2023, A5E03264275A
93
Safety instructions
Note
The integrated safety functions, starting from the Safety Integrated (SI) input terminals of the
SINAMICS components (Control Unit, Motor Module), satisfy the requirements according to
IEC
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, the requirements specified in IEC
61800-5-2, IEC 60204-1 as
13849-1 Category 3 for Performance Level (PL) d and IEC 61508 SIL 2 are
Device defective because a 24 V DC brake has been connected
If a 24 V DC brake is connected to the 230 V AC Safe Brake Adapter on the plant side, this
may cause damage to 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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