range setting
V/f
Control
V/f with
PG
Open Loop
Vector
Flux
Vector
L5-01 Num of Restarts 0 to 10 --- 0 Basic or Advanced
Note This parameter cannot be changed during operation.
Caution The Inverter might be damaged when using the fault restart function.
Understanding
that the Inverter might be damaged, be sure to take the following pre
-
cautions:
Always set up a no-fuse breaker (NFB).
Set
up a sequence that will stop peripheral equipment when an Inverter fault
occurs.
• The
fault restart function automatically restarts the Inverter even when an internal fault occurs during
Inverter operation.
• Use this function only when continuing operation is more important than damaging the Inverter.
• The
fault restart function is
ef
fective with the following faults. With other faults, the protective opera
-
tions will engage immediately without attempting to restart operation.
OC (Over-current)
GF (Ground fault)
PUF (Fuse blown)
OV (Main circuit over-voltage)
UV1 (Main circuit under-voltage)
PF (Main circuit voltage fault)
LF (Output open-phase)
RF (Braking resistor overheated)
RR (Braking transistor failure)
OL1 (Motor overload)
OL2 (Inverter overload)
OL3 (Overtorque)
OL4 (Overtorque)
• The
fault restart count is cleared
when operation is normal for 10 minutes after a fault restart is per
-
formed or the power is turned off and then on again.
• When
one of the multi-function outputs (H2-01, H2-02, or H2-03) is set to 1E (Restart Enabled), the
output will be ON while the fault restart function is in progress.
Parameter Display name Setting Units Default
Valid access levels
number
range setting
V/f
Control
V/f with
PG
Open Loop
Vector
Flux
Vector
L5-02 Restart Sel 0 or 1 --- 0 Basic or Advanced
Note This parameter cannot be changed during operation.
Setting Function
0 Do not output fault restart. (The fault contact does not operate.)
1 Output fault restart. (The fault contact operates.)
Advanced Operation Chapter
6
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