Voltage Sensing Module (VSM)
Function Diagrams
2-1415
© Siemens AG 2007 All Rights Reserved
SINAMICS S List Manual (LH1), 07/2007
Figure 2-280 9880 – Analog inputs (AI 0 ... AI 3)
- 9880 -
87654321
fp_9880_01_eng.vsd
DO: A_INF, S_INF, VECTOR
SINAMICS S
04.06.07 V02.05.00
Voltage Sensing Module (VSM) - Analog inputs (AI 0 ... AI 3)
X520.2
X520.1
Rated line freq
p0211
X520.4
X520.3
X521.1
X521.2
A
D
Rated line freq
p0211
Limit value
comparison
INF C_filter
p0221
A06250
“Defective
capacitor(s)
in at least
one phase
of line filter“
r3671
r3673
VSM input U_scaler
p3660
x
2
x
1
y
+/-10 V
r3672
r3674
VSM CT_gain
p3670
x
2
x
1
y
A
D
X522.1
X522.2
r3662
I
1
I
2
I
3
VSM CT_gain
p3670
x
2
x
1
y
r3661
U
3
U
2
U
1
A
D
U
3
f2
3I
3
C
3
U
2
f2
3I
2
C
2
U
1
f2
3I
1
C
1
+
-
AI 2
+
-
AI 3
X521.3
X522.3
f
VSMfilt C A_thresh
r3676
C
1
C
2
C
3
100 V
690 V
r3677[0]
r3677[1]
r3677[2]
PT1 smoothing
[8850.1]
[8950.1]
p0115[3] (2000.00 µs)
p0115[1] (250.00 µs)
+/-10 V
0.5 s
A
D
0.5 s
0.5 s
Rated line freq
p0211
PT1 smoothing
0.5 s
0.5 s
0.5 s
PT1 smoothing
PT1 smoothing
VSM input U_scaler
p3660
x
2
x
1
y
Function diagram
<1> Can only be used with the Chassis Active Line Modules.
<1>
[8850.1]
[8950.1]
+
-
AI 0
+
-
AI 1
<2> The VECTOR drive object is assigned a dynamic index (p0150).
<2>
<2>
<2>
<2>
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