Inverter Protection
6-
61
K
K
K
K
Reducing
Inverter
Overheating
Pre-Alarm
Warning
Levels
The
Inverter detects the temperature of the cooling fins using the thermistor, and protects the Inverter from
overheating.
You can receive Inverter overheating pre-alarms in units of 10
°
C.
The
following overheating pre-alarm warnings are available: Stopping the Inverter as error protection, and
continuing
operation, with the alarm OH (Radiation fins overheating) on the Digital Operator flashing.
n
Related
Parameters
Param-
eter
Num-
ber
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Control
Methods
V/f
V/f
with
PG
Open
Loop
Vec-
tor
LCD
Display
L8-02
Overheat
pre-alarm level
Sets
the detection temperature for the Inverter
overheat
detection pre-alarm in
°
C.
The
pre-alarm detects when the cooling fin tem-
perature
reaches the set value.
50
to 130
95
°
C
No
A
A
A
OH
Pre-Alarm Lvl
L8-03
Operation
selection after
overheat
pre-alarm
Sets
the operation for when the Inverter overheat
pre-alarm
goes ON.
0:
Decelerate to stop in deceleration time C1-02.
1:
Coast to stop
2:
Fast stop in fast-stop time C1-09.
3:
Continue operation (Monitor display only.)
A
fault will be given in setting 0 to 2 and a minor
fault
will be given in setting 3.
0
to 3
3
No
A
A
A
OH
Pre-Alarm Sel
Содержание SYSDRIVE 3G3RV
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