Yokogawa Data Acquisition with PID Control CX2000 User Manual

Page 19

IM 04L31A01-02E

Setting Alarms on the Secondary Loop of Cascade Control

Select 1

Set to 0.90

Select DO003

Select On

Select PV-High

Select On

Select 2

Setting PID Parameters in Setting Mode

From the operation display, click the

MENU key

to display the control setting menu.

Press the

#4 soft key

(PID parameters).

Press the

arrow keys

to move the cursor (blue) to the setup item box, press the

soft

key

of each value according to the following figure.

The numerical values such as the SP are entered using the pop-up window that
appears by pressing the

Input soft key

Setting PID Parameters on the Primary Loop of Cascade Control

Select 1

Set to 80.0

Select Reverse

Select 1

Set to P=20.0%, I=300s,
D=60s

Press the

DISP/ENTER key

to confirm the settings.

Set the PID parameters of the secondary loop of cascade control in a similar fashion
as described in steps 3 and 4 and according to the figure on the next page.
If you do not carry out step 4 and change Loop number, the settings are not saved.

Examples of Control Setup Operation