Protective functions, Fvr-c9s-7ux – GE FVR-C9S-7UX User Manual
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FVR-C9S-7UX
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