Functions
8.18 Fail-safe functions
Control Units CU240S
8-128 Operating Instructions, 11/2006, A5E00766042B AA
Case 4: accuracy limit > Frequency setpoint
Initiation of SLS =>
• Ramp monitoring activated
• SLS-LED flashing
• Frequency setpoint deactivated
When SLS is reached =>
• SLS monitoring on
• ES-LED on
• Frequency setpoint inactive
Deactivation of SLS =>
• Ramp monitoring off
• SLS monitoring off
• SLS-LED and ES-LED off
• activate freq. setpoint and ramp to freq.
setpoint
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