Inverter Protection - Omron I537-E2-01 User Manual

Inverter Protection

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Reducing Inverter Overheat Pre-Alarm Warning Levels
The Inverter detects the temperature of the cooling fin using the thermistor and protects the Inverter from
overheating.
The following overheating pre-alarm warnings are available: Stopping the Inverter as error protection and
continuing operation, with the alarm OH (Radiation fin overheating) on the Digital Operator flashing.
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Related Parameters
Name
Param-
eter-
LCD Display
Number
Overheat pre-alarm level
L8-02
OH Pre-Alarm Lvl
Inverter overheat (OH) pre-
alarm operation selection
L8-03
OH-Pre-Alarm Sel
Description
Sets the detection temperature for the Inverter overheat
detection pre-alarm in °C.
The pre-alarm is detected when the cooling fin tempera-
ture reaches the set value.
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.

Inverter Protection

Change
Setting Factory during Access
Range Setting Opera- Level
tion
50 to 130 95°C No A
0 to 3 3 No A
45
6-