7MG.30.A7.02 - VLT
®
is a registered Danfoss trademark
Item Parameter Description Settings Display
1 000 Language Select: "English" ENGLISH
2 103 Motor output See nameplate and select closest setting
3 104 Motor voltage See nameplate
4 105 Motor frequency See nameplate
Items 1-4 must be carried out first.
5 106 Automatic Select: "On". ON
motor adaption The compensation menus 109-113 are now tuned automatically.
During automatic motor adaption the motor should be unloaded or
loaded at max. 50%.
Automatic motor adaption is not possible in connection with
parallel running of several motors on one VLT
®
. This also applies
to motor outputs which cannot be set in parameter 103, and
synchronous, reluctance and other specialised motors.
After tuning the VLT
®
is reset by pressing the Stop/Reset key and
restarted by pressing the Start key.
Note: During automatic motor adaption the motor will start
for a short period.
6 201 Min. frequency Set required frequency
7 202 Max. frequency Set required frequency
8 215 Ramp-up 1 Set required ramp time
9 216 Ramp-down 1 Set required ramp time
10 Start frequency converter This is by supplying terminals 18 and 27 with 24 V D.C. from
terminal 12 or by using an external 24 V D.C. voltage.
Quick setup
If the factory setting
has been changed
If the factory setting has been changed
initialisation must be carried out.
In most cases it is sufficient to program
the VLT
®
according to items 1-10.
Quick setup
Standard motor running in constant torque application without a brake module on the frequency converter
The following settings are also used for specialised motors and parallel coupled motors, or variable torque
application or when a brake module is mounted
Item Parameter Description Settings Display
1 100 Load For normal applications with
constant torque:
Select: “Constant torque compensated”
CT WITH COMP
For
centrifugal pumps and fans:
Select: “VT medium” VT MODE-MED
For
centrifugal pumps and fans with heavy start:
Select: “VT Medium CT Start” VT MED W/CT
For
synchronous motors, parallel coupled motors or specialised motors
Select: “Constant torque”
CT MODE
2 300 Brake option If
brake option/module
is used:
Select: “Applied” APPLIED
3 Start frequency converter This is by applying 24 V D.C. to terminals 18 and 27 from
terminal 12 or by using external 24 V D.C. voltage.
The following settings are used for local operation and start
Item Parameter Description Settings Display
1 003 Operation mode Select: “Local” LOCAL
2 004 Local reference Set required output frequency using the "+" or "−" keys.
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