1-95 KTY Sensor Type
Option: Function:
[0] * KTY Sensor 1
1 kΩ at 100 °C
[1] KTY Sensor 2
1 kΩ at 25 °C
[2] KTY Sensor 3
2 kΩ at 25 °C
1-96 KTY Thermistor Resource
Option: Function:
Selecting analog input terminal 54 to be used
as KTY sensor input. Terminal 54 cannot be
selected as KTY source if otherwise used as
reference (see 3-15 Reference Resource 1 to
3-17 Reference Resource 3).
FC 302 only.
NOTE
Connection of KTY-sensor between term.
54 and 55 (GND). See Illustration 3.15.
[0] * None
[2] Analog
input 54
1-97 KTY Threshold level
Range: Function:
80 °C* [-40 - 140 °C] Select the KTY sensor threshold level for
motor thermal protection.
FC 302 only.
1-98 ATEX ETR interpol. points freq.
FC 302 only.
Only visible if 1-90 Motor Thermal Protection is set to [20].
Range: Function:
Size related* [ 0.0 - 1000.0 Hz]
Enter the four frequency points [Hz] from the motor name
plate into this array. Together with 1-99 ATEX ETR interpol
points current, these make up a table (f [Hz],I [%]).
NOTE
All frequency/current limit points from the motor name
plate or motor data sheet must be programmed.
8 0 %
4 0 %
5 Hz 15 Hz 25 Hz 50 Hz
130BB909.10
Illustration 3.18 Example of ATEX ETR thermal limitation curve.
x-axis: f
m
[Hz]
y-axis: I
m
/I
m,n
x 100 [%]
1-98 ATEX ETR interpol. points
freq.
1-99 ATEX ETR interpol
points current
[0] = 5 Hz [0] = 40%
[1] = 15 Hz [1] = 80%
[2] = 25 Hz [2] = 100%
[3] = 50 Hz [3] = 100%
Table 3.9
All operating points underneath the curve are allowed
continuously. Above the line, however, only for a limited
time calculated as a function of the overload. In the event
of a machine current greater than 1.5 times the rated
current, shut down is immediate.
1-99 ATEX ETR interpol points current
FC 302 only.
Only visible if 1-90 Motor Thermal Protection is set to [20] or [21].
Range: Function:
Size related* [0 - 100 %] Definition of thermal limitation curve.
For example, see 1-98 ATEX ETR
interpol. points freq.
Use the four current points [A] from the motor name plate.
Calculate the values as percentage of nominal motor
current, I
m
/I
m,n
x 100 [%], and enter into this array.
Together with 1-98 ATEX ETR interpol. points freq., these
make up a table (f [Hz],I [%]).
NOTE
All frequency/current limit points from the motor name
plate or motor data sheet must be programmed.
Parameter Descriptions
VLT
®
AutomationDrive Programmming Guide
50 MG33ME02 - VLT
®
is a registered Danfoss trademark
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