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
= 50 Hz
n
rsyn
50
ô
60
2
1500 min
–1
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