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3 First Steps
3.5.2 In-Plane Vibrations
INFORMATION
Refer also to your PMA software manual.
To test a measurement with an in-plane vibration, the MSA-A-MEMS MEMS
Resonator is included in the scope of supply. The left-hand part of the MEMS
resonator vibrates horizontally, the right-hand part vertically. To test an in-
plane vibration with your measurement system, proceed as follows:
Prerequisites
1. Mount the system as described in S
ECTION
3.3. Use the 20x microscope
objective for the measurement.
2. Connect up the system as described in S
ECTION
3.4.
Set up MEMS
resonator
3. Place the MEMS resonator under the sensor head and align it so that you
can read the Polytec lettering on it.
Figure 3.28: MEMS resonator
4. Connect the BNC cable of the MEMS resonator to the
SIGNAL
BNC jack
on the front of the front-end.
Switch on
5. Switch on the data management system and the front-end.
6. To switch on the front-end, turn the key switch on the front of the front-end
to position
I
.
The sensor head and the controller switch on with the front-end as the
mains cable of the front-end is plugged into the master socket, the
mains cable of the controller into the slave socket.
If the controller does not automatically switch on, refer to S
ECTION
5.1
for troubleshooting.
INFORMATION
The instrument does not reach its optimal metrological properties until a
warm-up period of approx. 10 minutes.
Set up
measurement
7. Start the PMA software.
A document with the last opened settings is automatically created and
activated.
8. Close the document which opened automatically and select
File > New > Sine Wave Document in the menu bar.
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