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Application Guide | iC2-Micro Frequency Converters
Selection number
Selection name
3
ETR Warning 1
4
ETR Trip 1
22
ETR Trip - Extended Detection
R
(W)
4000
3000
1330
550
250
-20°C
Figure 72: PTC Profile
Using a digital input and 10 V as supply: Example: The frequency converter trips when the motor temperature is too high. Parameter
setup:
Set P 4.6.7 Motor Thermal Protection to [2] Thermistor Trip.
l
Set P 4.6.8 Thermistor Source to [6] Digital Input 18.
l
12
13
14
15
17
18
20
Figure 73: PTC Thermistor Connection - Digital Input
138
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nominal -5°C
nominal + 5°C
nominal
OFF
31
32
33
34
35
ON
Selection description
Calculates the load and activates a warning in the display when
the motor is overloaded. Program a warning signal via 1 of the
digital outputs.
Calculates the load and stops (trips) the frequency converter
when the motor is overloaded. Program a warning signal via 1 of
the digital outputs. The signal appears in the event of a warning
and if the frequency converter trips (thermal warning)
[°C]
R
<800 Ω
>2.9 kΩ
AB413939445838en-000301 / 130R1254
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