Festo — VTSA-F-CB — 2021-06a
Product overview
33
4.1.5.1
Manual override (MO)
When the pressure supply is switched on, the manual override (MO) can be used to switch a valve to
the electrically non-actuated, de-energised state.
Manual overrides of the working valves
Manual overrides are mainly used during commissioning
8.1.1.3 Commissioning the pneumatic
components with manual override (MO).
The valve-actuator combinations can be tested with the manual overrides
valve/actuator combination.
The basic functions of the manual overrides can be changed by mounting a cover cap for manual
overrides
8.1.2.1 Cover cap for manual override (optional) .
Manual overrides of the special valves
Manual overrides are mainly used during commissioning