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

Page 34

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34

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

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