Protective Functions - GE Fuji Electric FVR-C9S-2UX Series Instruction Manual

14. Protective Functions

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