35
FVR-C9S-2UX
Function
Explanation
Display Alarm Output
Momentary
Overcurrent
Protection
OC1
OC2
OC3 Yes
Overvoltage
Protection Detects overvoltage of DC intermediate circuit and stops drive. OU Yes
Undervoltage
Protection Detects undervoltage of DC intermediate circuit and stops drive. LU Yes*
Protection against
overheating of
cooling element Detects abnormal temperature rise of cooling element and stops drive OH1 Yes
External Alarm Input Stops drive by input of an external signal. OH2 Yes
Electronic Thermal
Overload Detects overload of motor and stops drive. OL Yes
Drive Overload Detects overload of drive and stops drive. OLU Yes
Memory Error Stops drive in case of memory error Er1 Yes
CPU Error Stops drive in case of a CPU error Er3 Yes
* This output is selectable by F10
C92-05
Stops drive to protect it against overcurrent .
OC1 = During acceleration
OC2 = During deceleration
OC3 = During constant speed operation
14. Protective Functions