Fail-Safe Acknowledgement Of Safety Messages - Siemens SINAMICS S200 Operating Instructions Manual

STO
SCF
Figure 9-15
9.8.7.2

Fail-safe acknowledgement of safety messages

Overview
In the event 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By selecting and then deselecting STO, the safety messages are automatically withdrawn.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 off and on
Temporarily switch the power supply of the converter off and on again.
SINAMICS S200 pulse train servo drive system with SIMOTICS S-1FL2
Operating Instructions, 11/2023, FW V6.3, A5E51646767B AA
Safe Torque Off
Safety Channel Failure
Stop responses
9.8 Safety Integrated (for S200 PTI only)
Functions
291