CAUTION
Burning due to hot surface!
The surface of the P-840.xxV and the surroundings can heat up during operation. Touching
the P-840.xxV and surrounding parts can result in minor injuries from burning.
►
Make sure that the hot P-840.xxV and the surrounding parts cannot be touched.
NOTICE
Destruction of the piezo actuator due to electric flashovers
Using the P-840.xxV in environments that increase the electrical conductivity can lead to the
destruction of the piezo actuator by electric flashovers. Electric flashovers can be caused by
moisture, high humidity, liquids, and conductive materials (e.g., metal dust). In addition,
electric flashovers can also occur in certain air pressure ranges due to the increased
conductivity of the air.
►
Avoid operating the P-840.xxV in environments that can increase the electrical
conductivity.
►
Operate the P-840.xxV only within the permissible
►
When using in a vacuum under 100 hPa:
Do not operate the P-840.xxV while evacuating or ventilating.
NOTICE
Destruction of the piezo actuator due to dynamic forces!
Dynamic forces can be generated during dynamic operation that cancel out the preload of
the piezo actuator. Operating without a preload can destroy the actuator.
►
Do not exceed the maximum push/pull capacity according to the
.
►
Pay attention to the notes in
"Determining the Operating Parameters" (p. 18)
NOTICE
Destruction of the piezo actuator due to excessive operating frequencies!
Excessive operating frequencies can destroy the piezo actuator.
►
Select the operating frequency so that the following conditions are met:
■
The maximum operating frequency may not exceed one third of the resonant frequency
(see
for the resonant frequency of the unloaded piezo actuator and
see
"Calculating the Maximum Operating Frequency of the Loaded Piezo Actuator" (p. 19)
for the resonant frequency of the loaded piezo actuator).
■
Any dynamic forces generated during operation do not exceed the maximum push/pull
force of the piezo actuator (see
"Calculating the Forces that Occur During Dynamic
).
NOTICE
Reduced lifetime of the piezo actuator due to permanently high voltage!
The permanent application of a high voltage to piezo actuators leads to a considerable
reduction in the lifetime of the piezo ceramic.
►
When the P-840.xxV is not being used (e.g., to ensure temperature stability of the
electronics),
it.
►
If possible, limit the maximum operating voltage during continuous operation.
7 STARTUP AND OPERATION
P840M0002EN
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1/29/2021
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M O T I O N | P O S I T I O N I N G