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DDPC
12
Festo – DDPC –
201905b
English
Replacing the sensor:
1. Unscrew the fastening screws.
2. Replace the sensor.
Note here the mechanical coding on the sensor housing and make sure that the seal is seated cor
rectly.
3. Screw the fastening screws in again.
The tightening torque is 0.6 Nm.
Recommendation:
Return the product to our repair service for overhaul.
This way the required fine tuning and tests will be taken into special consideration.
Information about spare parts and aids can be found at: www.festo.com/spareparts
10
Accessories
Note
Please select the accessories you need from our catalogue
(
è
www.festo.com/catalogue).
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Troubleshooting
Malfunction
Possible cause
Remedy
Malfunction in
position sensing
Strong external magnetic fields
Eliminate external magnetic fields
(e. g. by means of screening plates)
Environmental influences outside the
specifications
Observe the specifications
Magnetic strip in the piston rod
polarized due to strong magnetic fields
Send to Festo with a description of the
fault
Mounting fault when sensor is replaced Check the correct position of the
sensor coding nose in the cylinder
In combination
with positioning
controllers
See detailed description of the relevant positioning controller
Hard impact at
the end positions
Mass too large
Reduce accelerated work mass
Excessive speed
Reduce speed. Brake additionally with
work valves
Insufficient cushioning
Use external cushioning elements
Tab. 5