Festo Контроллер крайних положений SPC11 - Manual (Page 122)

5. Diagnosis and error treatment
5-14
Festo P.BE-SPC11-SYS-EN en 1406e
In order to influence the positioning times
S Increase or reduce the supply pressure within the
permitted range.
S Install exhaust restrictors in the exhaust lines of the
proportional directional control valve.
Note
Make sure that the exhaust-air throttles are completely
opened during the teach procedure.
If fluctuations in pressure of over 1 bar occur in front of the
proportional directional control valve, install a compressed
air reservoir (see chapter 3). Please observe the general in-
stallation instructions!