Eliminating Faults - Festo DNCI Serie Instrucciones De Utilizacion

DNCI−...
11

Eliminating faults

Fault
Faults in position
scanning
In conjunction with
controllers of type
SPC...
Hard knocking in the
end positions
Fig. 19
32
Possible cause
Strong external magnetic
fields
Environmental influences
outside the specifications
Magnetic strip in the piston
rod polarized due to strong
magnetic fields
Mounting fault when sensor
is replaced
See detailed description of the relevant controller families
Work mass too large
Speed too high
Insufficient cushioning
Remedy
Eliminate external magnetic
fields (e.g. by means of
screening plates)
Observe the specifications
Send to Festo with a descrip
tion of the fault
Check the correct position of
the sensor coding nose in the
cylinder
Reduce accelerated work
mass
Reduce speed
Brake additionally with work
valves
Use external cushioning
elements
Festo DNCI−... 0610a English