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Functions
14.11 Drive functions
All available unit groups and possible unit selections are listed below.
Table 14-86
7_4
8_4
14_2
14_6
14_13
14_14
14_15
14_16
25_1
27_1
28_1
29_1
30_1
47_1
48_1
48_2
48_3
50_1
14.11.3.2
Reference values
Overview
There is a reference value in the converter for most parameters with a physical unit.
Description of function
When the per-unit representation [%] is set, the converter scales the physical quantities based
on the respective reference value.
If the reference value is changed, the significance of the scaled values also changes. Example:
• Reference speed = 1500 rpm → fixed speed = 80% corresponds to speed = 1200 rpm
• Reference speed = 3000 rpm → fixed speed = 80% corresponds to speed = 2400 rpm
The parameter list provides the associated reference value for the scaling for each parameter.
For example, r0065 is scaled with reference value p2000.
If no scaling is specified in the parameter list, the converter always expresses the parameter
unscaled.
578
Unit groups (p0100)
Unit group
Nm
N
W
kW
W/A
W min/1000
W/A
2
W min
kgm
2
kg
Nm/A
N/Arms
m
kW s/K
W/K
W min/1000 K
W min
K/W
Unit selection for p0100 =
0, 2
lbf ft
lbf
W
HP
HP/A
HP min/1000
HP/A
2
/1000
HP min
2
2
lb ft
2
lb
lbf ft/A
lbf/Arms
ft
HP s/K
HP/K
HP min/1000 K
/1000
K
HP min
2
2
K/HP
Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB
Reference value for %
1
-
-
-
-
-
-
-
/1000
-
2
2
-
-
-
-
-
-
-
-
/1000
K
-
2
2
-
SINAMICS G220 converter
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