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6 Learning Protection Features
Protection features provided by the G100 series inverter are categorized into two
types: protection from overheating damage to the motor, and protection against the
inverter malfunction.
6.1 Motor Protection
6.1.1 Electronic Thermal Motor Overheating Prevention (ETH)
ETH is a protective function that uses the output current of the inverter without a
separate temperature sensor, to predict a rise in motor temperature to protect the
motor based on its heat characteristics.
Group Code
Name
Setting
Setting
Range
Unit
Pr
40
Electronic thermal
prevention fault trip
selection
0
None
0
–2
-
41
Motor cooling fan type
0
Self-cool
-
-
42
Electronic thermal 1
minute rating
150
120
–200
%
43
Electronic thermal
continuous rating
120
50
–150
%
Electronic Thermal (ETH) Prevention Function Setting Details
Code and
Features
Description
Pr.40 ETH Trip Sel
ETH can be selected to provide motor thermal protection.
Configuration
Function
0
None
The ETH function is not activated.
1
Free-Run
The inverter output is blocked. The motor
coasts to a halt (free-run).
2
Dec
The inverter decelerates the motor to a stop.
Summary of Contents for G100
Page 14: ......
Page 16: ...5 5 7 5 kW 3 Phase ...
Page 32: ...0 4 0 8 kW 1 5 2 2 kW 4 0 kW ...
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Page 116: ...trips automatic Reset Restart is not attempted and the Fire Mode Count is not increased ...
Page 118: ......
Page 130: ... Terminal connections for 3 wire operation 3 wire operation ...
Page 140: ... PID control block diagram ...
Page 165: ...Code and Features Description Code Description continuous rating ...
Page 170: ......
Page 186: ... Displayed as on the Keypad ...
Page 200: ...provided signal output at 150 36 sec ...
Page 216: ...Code and Features Description delay time delay time ...
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Page 335: ...Manual Revision History Revision History No Date Edition Changes 1 2019 01 First Release ...