Yokogawa Data Acquisition with PID Control CX2000 User Manual

Page 228

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6-3

IM 04L31A01-01E

Operations during Control Operation

6

2. Press the

[SP] soft key

.

The SP modification pop-up window appears. The window shows the current SP.

Window for changing the
target setpoint

3. Change the SP using the

up and down arrow keys

.

The value changes continuously if you keep pressing the up or down arrow key.

4. Press the

DISP/ENTER key

to confirm the changes.

To close the window without making any changes, press the ESC key.

Changing the Control Output

The following operation cannot be performed during auto operation, when operation is
stopped, or when the primary loop of cascade control is selected. When the operation
is stopped, the preset value is output.
1. Use the

arrow keys

to move the cursor to the desired control loop.

2. Press the

[OUT] soft key

.

The OUT modification pop-up window appears. The window shows the current
control output.

Window for changing the
control output

3. Change the control output using the

up and down arrow keys

. This procedure

changes the control output value to the changed value.
The value changes continuously if you keep pressing the up or down arrow key.

Note

If [Shutdown] under [PID parameter] is set to [On] , the next value below [–5.0]% is [SD],

which indicates shutdown, when you keep decreasing the control output.

4. Press the

DISP/ENTER key

to conclude changes to the control output value.

To close the window without making any changes, press the ESC key.

6.1

Operations on the Control Group Display (Switching Displayed Information and Control Operation Modes)

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