Danfoss VLT 3000 Series Product Manual page 36

Example 5:
36
Connection examples
Digital speed up and down
Relay output:
Indication that the output frequency is outside the range 10-45 Hz.
The following must be programmed:
Function Parameter no.
Speed up and down
Speed up and down
Frequency warning
on relay
Frequency too low
Frequency too high
Warning: On power-up the motor will
restart at the last speed that was main-
tained for 20 sec.
®
MG.30.A7.02 - VLT is a registered Danfoss trademark
Parameter value
401 freeze reference
406 speed up/down
409 Frequency
too low
210(F. low) 10 Hz
211(F. high) 45 Hz
NB: Screen for control cables must be
connected as described in the chapter on
EMC-correct installation.
All settings are based on factory settings, but
motor data (parameters 103-105) must be set
according to the motor connected