7.10.2 Automatic initialization of linear actuators
Requirements
The following conditions must be fulfilled before activating the automatic initialization:
1. The actuator spindle can be moved completely.
2. The actuator spindle is at a central position after travel.
Initializing the linear actuator automatically
Note
Interrupting initialization
An ongoing initialization can be interrupted at any time. To do this, press . The settings
configured until then are retained.
All parameters are reset to factory settings only if you have explicitly activated the preset
settings in the "PRST" parameter.
Note
Commissioning of a tight-closing valve
If the valve is tight-closing, set the "YCLS (Page 153)" parameter before commissioning. This
ensures that the end positions are approached for at least 15 seconds during initialization.
1. Switch to the "Configuration" mode. To do this, keep the button pressed for at least 5
seconds. The display shows the following:
2. Call the "2.YAGL" parameter. To do this, press . The following is shown on the display
depending on the setting:
3. Check whether the value displayed in the "2.YAGL" parameter matches the setting of the
transmission ratio selector. If required, change the setting of the transmission ratio selector
to 33° or 90°.
Commissioning
7.10 Commissioning linear actuators
SIPART PS2 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E00074631-AE 119
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