Danfoss VLT AQUA Programming Manual page 55

®
VLT AQUA Drive Programming Guide
[3]
*
[4]
[5]
[6]
Using an analog input and 10 V as power supply:
Example: The frequency converter trips when the motor tem-
perature is too high.
Parameter set-up:
Set Par. 1-90
Set Par. 1-93
Do not select a reference source.
Input
Digital/analog
Digital
Digital
Analog
ETR Warning 1-4
ETR warning 1
motor is overloaded.
ETR Trip 1-4
ETR trip 1
overloaded.
Programme a warning signal via one of the digital outputs. The
signal appears in the event of a warning and if the frequency
converter trips (thermal warning).
ETR warning 2 See [3]
ETR trip 2 See [4]
®
MG.20.O2.02 - VLT is a registered Danfoss trademark
2. Parameter Description
Motor Thermal Protection to
Thermistor Source Analog Input 54
to
Supply Voltage Threshold
Volt Cut-out Values
24 V < 6.6 kΩ - > 10.8 kΩ
10 V < 800Ω - > 2.7 kΩ
10 V < 3.0 kΩ - > 3.0 kΩ
NB!
Check that the chosen supply voltage follows the
specification of the used thermistor element.
, activate a warning on the display when the
trip the frequency converter when the motor is
Thermistor Trip [2]
[2]
55
2