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Siemens LMV5 Quick Start Manual page 188

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LMV52
Time
output to
(sec)
VSD (mA)
2
6
10
14
18
22
26
30
34
38
42
46
50
54
58
62
66
70
12000
Peak :
10632 pulses / min
(10632 / 3 = 3544 RPM)
10000
8000
19.5 mA
6000
4000
2000
0
0
10
Note: The standardization time of 70 seconds was used as an example,
but it may be longer or shorter depending upon VSD / LMV5 ramp rates.
LMV5 QSG Rev 4
Figure 7-2.1 Typical Standardization
Blower Shaft
Speed
(RPM)
4
0
19.5
443
19.5
886
19.5
1329
19.5
1772
19.5
2215
19.5
2658
19.5
3101
19.5
3544
19.5
3544
4
3101
4
2658
4
2215
4
1772
4
1329
4
886
4
443
4
0
20
30
Time (sec)
Sec 7
Pg 4
Feedback from
speed wheel (pulses
/ min)
0
1329
2658
3987
5316
6645
7974
9303
10632
10632
9303
7974
6645
5316
3987
2658
1329
0
40
50
60
www.scccombustion.com
VFD
output
Freq. (Hz)
0
7.5
15.0
22.5
30.0
37.5
45.0
52.5
60.0
60.0
52.5
45.0
37.5
30.0
22.5
15.0
7.5
0.0
25
20
pulses / min
mA signal
15
10
5
0
70
80

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