Samson TROVIS 3730-1, Перевод оригинальной инструкции

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EB 8484-1 EN 7-3
Start-up and configuration
7.1 Enabling configuration to change parameters
Before changing parameter settings in an initialized positioner, configuration must be en -
abled first by selecting Code P2 :
LOCK and the key icon indicate that the configuration is locked. De -
activate locking as follows:
1. Turn until Code P2 appears.
2. Press to confirm the selected code. P2 blinks.
3. Turn until OPEN appears.
4. Press to deactivate the locking.
Configuration is locked again if no settings are entered within 5 min.
7.2 Saving parameters in a non-volatile memory
Changed parameters are indicated by the icon on the display. To save changes to pa -
rameters in a non-volatile memory, proceed as follows:
1. After changing a parameter, turn until the reading jumps from Code P27 to Code
P0 (or from Code P0 to Code P27 ).
Î
The icon disappears. The changes to a parameter are saved in a non-volatile mem -
ory.
7.3 Entering the fail-safe position
Define the fail-safe position of the valve taking the valve type and the actuator's direction of
action into account.
Fail-safe position Description
ATO (air to open) setting: Signal pressure opens the valve, e.g. for a fail-close valve
ATC (air to close) setting: Signal pressure closes the valve, e.g. for a fail-open valve
The signal pressure is the pneumatic pressure at the output of the positioner applied to the
actuator.
Note