Siemens SINAMICS S120 Function Manual page 146

Description of Safety Integrated functions
4.2 Safety Integrated Extended Functions
4. Start brake test
Start the brake test sequence using a 0/1 edge at the DI for p10230[1] or in S_STW3B
bit 1.
5. Exit brake test
Note
Observe the sequence when exiting
When you exit the brake test, you must observe the following sequence.
– Withdraw "Begin brake test" via 1/0 edge at the digital input for p10230[1] or in
– Wait for at least one monitoring cycle (p9500).
– Withdraw "Select brake test" via 1/0 edge at the digital input for p10230[0] or in
Note
Observe the sequence when exiting
Please also note that the following actions may only be initiated after the message "Brake
test selected" (r10234.0 = S_ZSW3B.0 = 1):
• Withdraw pulse enable (OFF1)
• Select STO
144
S_STW3B Bit 1.
S_STW3B Bit 0.
Function Manual, 12/2018, 6SL3097-5AR00-0BP1
Safety Integrated