Siemens simovert masterdrives

Function diagram
87654321
fp_mc_398_e.vsd
Calculation of the acceleration torque
MASTERDRIVES MC
23.10.02
-398 -
V2.5
Only value 0 or 20 can be entered .
0 = Function is calculated in T0.
20 = Function is not calculated.
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.
[Nm] M
[Hz] n
]m[kg J]s[J
2
norm.
⋅⋅=
100 %
ms
Absolute-value connector
s 1.00
ˆ
100 =
U389 = 0: Mode with scaled moment of inertia in s
0
1
0
1
U389 = 1: Mode with moment of inertia in %
0
1
0
1
+
+
+
1)
1)
1)
100% = Rated acceleration
U953.46 = ___(20)
K
U373.B (0)
Src J ext
Scaling J
0.00 ... 200.00 %
U379 (100.00)
KK
U374.B (0)
Src Accel Pre
B
U376.B (0)
Src Sel J
J FixValue
0.00 ...600.00 s
U378 (0.00)
K0622
T(Accel)
K
U375.B (0)
Src TFixValue
B
U377.B (0)
SrcSelAccel T
K
U373.B (0)
Src J ext
Scaling J
0.00 ... 200.00 %
U388.1 (100.00)
KK
U374.B (0)
Src Accel Pre
B
U376.B (0)
Src Sel J
J FixValue
0.00 ...200.00 %
U388.2 (100.00)
K0622
T(Accel)
K
U375.B (0)
Src TFixValue
B
U377.B (0)
SrcSelAccel T
K0623
T(Total)
K
U385.B (0)
Src T(Total1)
K
U386.B (0)
Src T(Total2)
K
U387.B (0)
Src T(Total1)
Cal. T(accel)
0 ... 1
U389 (0)