HMPL-...-M..-...
8
Accessories
Designation
Proximity switches
Groove cover
Fig. 16
9
Eliminating faults
Fault
Intermediate position is
not reached
Moveable mass knocks
hard against the end/
intermediate position
i t
di t
Fig. 17
24
Possible cause
Pressure at intermediate
position module too low
Incorrect actuation
Intermediate position
module defective
Positioning speed too high
or mass too large
iti
Shock absorber defective
Linear module strikes
against a non-pressurized
chamber
Type
SME-8-... /SMT-8-...-B
ABP-5
Remedy
Pressurize the intermedi-
ate position module as
follows:
– with min. 4 bar
– with a higher pressure
than with the HMPL-...
Check the pneumatic cir-
cuit diagram
Return to Festo
Reduce positioning speed
or reduce the mass
Replace the shock ab-
sorber in accordance with
the operating instructions
for the positioning element
Pressurize the cylinder
chamber on the stroke side
of the linear module
Festo HMPL-...-M..-... 0009NH English