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ProAct P-Series FL Position Controller
Manual 26659
66
Woodward
If the friction setting is too low, the actuator may not respond well to small
changes in the position demand. If the friction setting is too high, a high
frequency oscillation or limit cycle will be seen.
Figure 6-4. Auto Cal Verify Position Screen
Verify the Position Setting
A variety of Requested Position (%) values can be entered to verify the actuator
strokes correctly from the minimum to maximum positions. The Minimum Position
and Maximum Position settings can be adjusted, if necessary, to provide a more
precise setting at these two end positions.
Click Finish when position verification is completed. Repeat calibration if the
results are not correct.
Position Verification & Trend Window
A strip-chart style trend window is available in Service Tool version 1.8 and
newer. This window can be utilized to monitor and verify position as well as tune
position controller dynamics settings (inertia and friction). It is opened by
selecting ‘Position Verification’ from the ‘Tools’ menu (Figure 6-5). For
convenience, the window is re-sizable and movable. Trend attributes like period,
color, and range can be modified by selecting the Properties button.
Содержание ProAct P Series FL
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Страница 24: ...ProAct P Series FL Position Controller Manual 26659 14 Woodward Figure 2 2b Actuator Wiring Diagram Notes ...
Страница 79: ...Manual 26659 ProAct P Series FL Position Controller Woodward 69 Figure 6 8 Strip Chart Properties Window ...
Страница 108: ...ProAct P Series FL Position Controller Manual 26659 98 Woodward Declarations ...
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