Siemens SINAMICS G120 Operating Instructions Manual page 317

Case 4:
Control Units CU240S
Operating Instructions, 11/2006, A5E00766042B AA
accuracy limit > Frequency setpoint
Initiation of SLS =>
Deactivation of SLS =>
To start again, STO must be acknowledged and a new on command is
necesarry to ramp up to frequency setpoint.
8.18 Fail-safe functions
• Ramp monitoring activated
• STO activated
• SLS-LED flashing
• ES-LED on
• Frequency setpoint deactivated
• Ramp monitoring off
• Frequency setpoint activated
• SLS monitoring off
• SLS-LED on
• ES-LED off
Functions
8-121