Danfoss VLT AutomationDrive FC 300 Operating Instructions Manual page 47

®
VLT AutomationDrive FC 300 Operating
Instructions
NB!
Check that the chosen supply voltage follows the specification of the used thermistor element.
Select ETR Warning 1-4 , to activate a warning on the display when the motor is overloaded.
ETR Trip 1-4
Select to trip the frequency converter when the motor is 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 (Electronic Terminal Relay) functions 1-4 will calculate the load when the set-up where they were selected is active. For example ETR starts calculating
when setup 3 is selected. For the North American market: The ETR functions provide class 20 motor overload protection in accordance with NEC.
1-93 Thermistor Source
Option:
[0] * None
[1] Analog input 53
[2] Analog input 54
[3] Digital input 18
[4] Digital input 19
[5] Digital input 32
[6] Digital input 33
NB!
This parameter cannot be adjusted while the motor is running.
NB!
Digital inputs should be set to "No operation" - see par. 5-1*.
2-10 Brake Function
Option:
[0] * Off
Function:
Select the input to which the thermistor (PTC sensor) should be connected. An analog input option
[1] or [2] cannot be selected if the analog input is already in use as a reference source (selected in
Reference 1 Source
par. 3-15 , par. 3-16
None
When using MCB112, choice [0]
Function:
No brake resistor is installed.
MG.33.AC.02 - VLT is a registered Danfoss trademark
4 How to Programme
Reference 2 Source Reference 3 Source
or par. 3-17
must always be selected.
4
).
47