VibrationVIEW Help
219
© 1995-2005 Vibration Research Corporation. All rights reserved.
7
Stop Codes
7.1
Overview
Stop Codes
·
System Check Stop Codes
·
Sine Stop Codes
·
Random Stop Codes
·
Classical Shock Stop Codes
·
Field Data Replicator Stop Codes
7.2
System Check Stop Codes
7.2.1
Input channel n is clipping
Input channel N is clipping (
System Check Stop Code
)
This code indicates that the input signal to channel n is exceeding the allowable input voltage range of
+/- 10 volts, and is being distorted by clipping. To solve this problem, use an accelerometer with a
lower mV/G sensitivity rating.
The maximum allowable acceleration readings for various accelerometer sensitivities are shown in the
table below.
Sensitivity
Maximum Acceleration
10 mV/G
1000 G peak
20 mV/G
500 G peak
50 mV/G
200 G peak
100 mV/G
100 G peak
1000 mV/G
10 G peak
7.2.2
No acceleration detected
No acceleration detected on channel n (
System Check Stop Code
)
This code indicates that "Auto" mode disabled itself because the output was increasing, but there was
no acceleration measured on the channel 1 input. This is just a safety precaution to prevent the
controller from increasing the output without limit when no accelerometer feedback is present.
Verify that:
·
There is an accelerometer connected to Channel n on the
VibrationVIEW
I/O box.
·
The cable connections are all secure.
·
Drive from the
VibrationVIEW
I/O box is connected to the amplifier.
·
The amplifier gain is set to a reasonable value.
If you can see the shaker moving, but don't see a sine wave on the Input Waveform graph (i.e. the
Input Waveform graph just shows noise), double-check your accelerometer connections.
If everything appears to be correct, press the "Auto" button again. Each time you press the "Auto"
button, the output voltage will increase to double it's previous value, and the controller will again check
to see if acceleration is measured on the channel n input.
If your shaker has a threshold voltage which must be exceeded before the shaker starts moving
(servo-hydraulic shakers typically exhibit this behavior) you may need to press the "Auto" button
Содержание VibrationVIEW
Страница 15: ...Document Revision Part I ...
Страница 17: ...How To Part II ...
Страница 96: ...Menu commands Part III ...
Страница 142: ...Test Definition Part IV ...
Страница 217: ...Control Centers Part V ...
Страница 226: ...VibrationVIEW Help 213 1995 2005 Vibration Research Corporation All rights reserved See Also RecorderVIEW 309 ...
Страница 227: ...Accelerometer Toolbars Part VI ...
Страница 231: ...Stop Codes Part VII ...
Страница 263: ...Typical Views Part VIII ...
Страница 265: ...Typical Views 252 1995 2005 Vibration Research Corporation All rights reserved 8 4 Random Random CRT View ...
Страница 268: ...VibrationVIEW Help 255 1995 2005 Vibration Research Corporation All rights reserved ...
Страница 269: ...Dialog Boxes Part IX ...
Страница 303: ...Windows Elements Part X ...
Страница 309: ...APPENDIX Part XI ...
Страница 311: ...APPENDIX 298 1995 2005 Vibration Research Corporation All rights reserved ...