Omron WS02-LCTC1-E - V2.60 REV 12-2003 Manual page 65

Tuning Screens
Changing P, I, D
1, 2, 3...
Changing Other Settings
Executing Fine Tuning
Note Execution of AT can be cancelled from the above dialog box by inputting 0 in the
New Data Field and clicking the OK Button. (The value for AT displayed in the
upper-left region of the Tuning Screen will return to 0.)
The following example shows how to change P (the proportional band).
1. Click Proportional Band (P) displayed in the upper center of the screen.
The Change Data Dialog Box will be displayed.
2. Select the Change To Field.
The ten-key dialog box will be displayed as shown.
Note Refer to 4-7 Labels, Alarm Sounds, and Ten-key Settings for settings
to disable the ten-key pad (i.e., to input directly from the keyboard).
3. After using the mouse (or the keyboard) to enter a numerical value, click the
OK Button (or press Enter).
The display will return to the Change Data Dialog Box shown in Step 1.
4. Click the OK Button.
You can change the settings for I (integral time) and D (differential time) in the
same way.
You can use the procedure explained above to change the settings for MV High/
Low Limit, High/High Alarm, High Alarm, Low/Low Alarm, Low Alarm, and Devi-
ation Alarm in the same way.
Fine tuning (FT) can be executed for either Basic PID (011) or Advanced PID
(012). Fine tuning lets the user use fuzzy inferences to set PID constants as re-
quired for more accurate control.
Section 3-7
55