Siemens SIMOVERT MASTERDRIVES Manual page 971

Scaling J
0.00 ... 200.00 %
U379 (100.00)
Absolute-value connector
Src J ext
U373.B (0)
100 =
ˆ
1.00 s
K
1)
J FixValue
0.00 ...600.00 s
U378 (0.00)
Src Accel Pre
100 %
U374.B (0)
ms
KK
U389 = 0: Mode with scaled moment of inertia in s
Cal. T(accel)
0 ... 1
U389 (0)
U389 = 1: Mode with moment of inertia in %
Scaling J
0.00 ... 200.00 %
U388.1 (100.00)
Src J ext
U373.B (0)
K
J FixValue
0.00 ...200.00 %
U388.2 (100.00)
Src Accel Pre
U374.B (0)
100% = Rated acceleration
KK
1 2
Calculation of the acceleration torque
Src Sel J
U376.B (0)
B
0
1
1)
Src Sel J
U376.B (0)
B
0
1
3
SrcSelAccel T
U377.B (0)
B
0
Src TFixValue
1
U375.B (0)
K
SrcSelAccel T
U377.B (0)
B
0
Src TFixValue
1
U375.B (0)
K
4 5
V2.4
Only value 0 or 20 can be entered .
0 = Function is calculated in T0.
20 = Function is not calculated.
1)
Note regarding the setting of the moment of inertia (U373, U378):
The moment of inertia has to be normalized to the reference
speed and reference torque.
T(Accel)
n
= ⋅ 2 ⋅
K0622 J [ ] s J [kg m ]
norm.
M
Src T(Total1)
U385.B (0)
K
Src T(Total2)
U386.B (0) +
K
+
+
Src T(Total1)
U387.B (0)
K
T(Accel)
K0622
6 7
Function diagram
fp_mc_398_e.vsd
MASTERDRIVES MC
23.10.02
U953.46 = ___(20)
[Hz]
[Nm]
T(Total)
K0623
8
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