Commissioning
5-4 820XBA1097
5.3 Adapt machine data
5.3.1 Determine speed range (f
dmin,
f
dmax)
Code Name
Possible settings
IMPORTANT
Lenze Selection Info
C010 Minimum field
frequency
0.0 0.0 {0.1Hz} 480.0
C011 Maximum field
frequency
50.0 30.0 {0.1Hz} 480.0
Function The speed range required for the application can be selected here by determing the
field frequencies f
dmin
and f
dmax
:
-
f
dmin
corresponds to the speed at 0 % speed setpoint selection.
-
f
dmax
corresponds to the speed at 100 % speed setpoint selection.
Adjustment Relation between field frequency and synchronous motor speed:
n
rsyn
f
dmax
ô
60
p
n
rsyn
synchronous motor speed [min
-1
]
f
dmax
max. field frequency [Hz]
p number of pole pairs
Example: 4 pole asynchronous
motor:
p=2,f
dmax
=50Hz
n
rsyn
50
ô
60
2
1500min
–1
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