Siemens SINAMICS S200 - Fail-Safe Acknowledgement of Safety Messages

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STO Safe Torque O󹪜
SCF Safety Channel Failure
Figure9-15 Stop responses
9.8.7.2 Fail-safe acknowledgement of safety messages
Ov
er
vie
w
In t
he e
vent of safety messages, the converter detects an internal event.
A safety message requires a fail-safe acknowledgement.
Requirement
You have checked and eliminated the cause of the internal event.
Procedure
You must acknowledge safety messages with a fail-safe signal. You have the following options
for fail-safe acknowledgement:
Via selection and deselection of STO
By selecting and then deselecting STO, the safety messages are automatically withdrawn.
By switching the supply voltage o󹪜 and on
Temporarily switch the power supply of the converter o󹪜 and on again.
Functions
9.8Safety Integrated (for S200 PTI only)
SINAMICS S200 pulse train servo drive system with SIMOTICS S-1FL2
Operating Instructions, 11/2023, FW V6.3, A5E51646767B AA 291