ABB TZID Operating Instructions Manual page 34

Exiting operating level 2
1. Press "Reset" briefly and release.
Newly determined values are rejected.
This is indicated by "EEL" shown on the display.
Press "Reset" briefly again to return completely
to operating level 1.
2. Press and hold "Reset".
Wait until displayed countdown form 3 to 0 is terminated,
then release "Reset".
You are returned to operating level 1.
All new parameters are saved in the non-volatile memory.
This is indicated by "EEP" shown on the display.
A flashing colon appears in the display if there are values which have not yet
been saved in the non-volatile memory (see Fig. 24).
Fig. 24
After calling up operating level 2 you can also select four operating modes (0 - 1 - 2 - 3).
Display 2.0 = Autostroke
In "Autostroke" mode the positioner adapts itself automatically to the following operating
parameters:
• Actuator action
(direction of action with compressed air)
• Travel of the actuator/valve
(from stop 0 % to stop 100 %)
• Positioning time for both directions
(pressurizing and depressurizing the actuator)
• Control parameters for stable position control
• OFFSET for the I/P module
IMPORTANT
When this mode is called up, "2.0" is shown in the display.
To
34
Colon in the display
- Normal control is interrupted while the Autstroke is in progress.
- The Autostroke function can be terminated any time by pressing the
"Reset" button.
- If unpermissible values are determined, the Autostroke is automatically
aborted and an error code is shown by the display (see Appendix)
Electro-pneumatic positioner TZID 42/18-54 EN