Functions
8.10 Safe Torque Off (STO) safety function
SINAMICS G110M Operating Instructions
242 Operating Instructions, 04/2015, FW V4.7.3, A5E31298649B AD
((Load monitoring - responses 0 ... 8))
Table 8- 24 Response options for load monitoring
Load monitoring deactivated (factory setting)
A07920 for torque/speed too low
p2181 = 2 A07921 for torque/speed too high
A07922 for torque/speed out of tolerance
F07923 for torque/speed too low
F07924 for torque/speed too high
F07925 for torque/speed out of tolerance
Pump/fan load monitoring as alarm
Pump/fan load monitoring as fault
The settings in p2193 for pumps/fans (p2193 = 4 or 5) are only permissible with the settings
for load monitoring for pumps/fans (p2181 = 7 or 8)
You can find an example for using the free function blocks in Chapter Fundamentals
(Page 321).
Application description for the free function blocks
See also: Function Manual
(https://support.industry.siemens.com/cs/gb/en/view/60467055/29243398027)
Example (Page 323)
Safe Torque Off (STO) safety function
These operating instructions describe the commissioning of the STO safety function when it
is controlled via a fail-safe digital input.
You will find a detailed description of all safety functions and control using PROFIsafe in the
Safety Integrated Function Manual, see Section Manuals and technical support (Page 334).