Yokogawa Data Acquisition with PID Control CX2000 - Manual (Page 235)

6-10
IM 04L31A01-01E
Manual tuning
1. Press the arrow key .
A cursor appears in the control parameter display section.
2. Select the control parameter you wish to change using the arrow keys .
3. Press the DISP/ENTER key .
The parameter modification pop-up window appears.
Cursor
Control parameter
dislay section
Window for changing parameters
4. Change the value using the up and down arrow keys .
The value changes continuously if you keep pressing the up or down arrow key.
With control computation constants (W01-W36), only the mantissa of the
exponential display is displayed, and can be changed.
5. Press the DISP/ENTER key to confirm the changes.
To close the window without making any changes, press the ESC key.
Changing the SP Number (SP NO.)/PID Number (GROUP NO.) of the Tuning
Parameter to Be Manipulated
1. Press the [SP NO.] soft key to change the SP number. Press the [Group No.]
soft key to change the PID number.
A pop-up window for changing the SP number or a pop-up window for changing the
PID number appears.
2. Change the SP number or the PID number using the up and down arrow keys .
3. Press the DISP/ENTER key .
To close the window without making any changes, press the ESC key.
Switching Run/Stop and Auto/Manual and Changing the Control Output
These operations are the same as the operations on the control group display. See
section 6.1, “Operations on the Control Group Display (Switching Displayed
Information and Control Operation Modes).”
Reverting to the Control Group Display or Control Overview Display
If the tuning display was displayed from the control group display, the soft key menu
shows [CTRL GRP]. If it was displayed from the control overview display, the soft key
menu shows [OVERVIEW]. To return to those displays, press the appropriate
soft
key .
6.3 Tuning Operation