Aventics R412004397 Mode D'emploi page 53

AVENTICS | Position Controller | R412004397–BDL–001–AC
If the piston cannot reach the position or range, as e.g. the
working pressure has been switched off, this will result in
increased valve wear.
W
Always also witch off the power supply after the working
pressure has been turned off.
W
If necessary, install a pressure switch in the air supply for
the positioning cylinder.
The friction characteristics of the cylinder and the driven
system influence the positioning precision.
Design and applications
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