Festo SPC11 Series User Instructions page 19

Specially for measuring systems type MLO−POT−...−TLF:
Mount the measuring system so that it is electrically
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isolated.
If the measuring system is to be used in a dusty or
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dirty environment, mount it so that the actuator slide
faces downwards.
Specially for measuring systems type MLO−POT−...−LWG:
In order to earth the system, connect the earth/ground
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cable on the flat plug of the measuring system to the
earth connection on the SPC11.
Specially for DNCI−...
In order to earth the earth connection of the SPC11
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and the earth connection of the drive, connect them
with the same earth potential.
Fixed stops
Use fixed stops to limit the working stroke. With drives
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of type DGP(I)(L)−..., the working stroke should not
project into the range of the end position cushioning.
Mass load
Fasten the permitted mass load to the slide without
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play.
Festo SPC11−... 0404a English 19