Selection number
Selection name
Selection description
3
ETR Warning 1
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.
4
ETR Trip 1
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)
22
ETR Trip - Extended Detection
1330
550
250
-20°C
e7
5h
a1
83
.1
1
4000
3000
R
(W)
nominal
nominal -5°C
nominal + 5°C
[°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:
l
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
.
+
24
V
O
U
T
+
10
V
O
U
T
D
I1
D
I2
D
IO
D
I3
D
I4
A
O
1
A
I1
A
I2
G
N
D
G
N
D
12
13 14
15 17
18 20
31 32
33 34 35
e3
0b
k1
76
.1
0
R
OFF
ON
<800 Ω
>2.9 kΩ
Figure 73: PTC Thermistor Connection - Digital Input
138
| Danfoss A/S © 2024.03 AB413939445838en-000301 / 130R1254
Application Guide | iC2-Micro Frequency Converters
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