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8 operation-related parameters/zone pid, Operation-related parameters/zone pid -23 – Yokogawa Data Acquisition with PID Control CX2000 User Manual

Page 183

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4-23

IM 04L31A01-01E

Control Function Related Setup Operations

4

4.8

Operation-related parameters/Zone PID

This section explains the procedures for setting the control output suppression function,
control operation related parameters such as the ramp-rate-time unit, and zone PID
related parameters such as the reference point and zone switching hysteresis.

Procedure

Opening the Setting Display

Press the keys in the following sequence:

MENU key

(switch to setting mode(control)) >

#3 soft key

(select [Operation-related

parameters/Zone PID])
The following display appears.

Setup Procedure

1. Use the

arrow keys

to move the cursor (blue) to the item box you wish to change.

A soft key menu is displayed at the bottom of the display.

2. Press the

soft key

corresponding to the value you wish to select.

The box for the item you changed turns yellow, and the cursor moves to the next
item box.

3. Repeat steps 1 and 2 to change the value of all the items you wish to change.

Note

For setup item boxes that require values to be entered, a pop-up window that appears by

pressing the [Input] soft key is used.

4. Press the

DISP/ENTER key

to confirm the changes.

The boxes for the items you changed turn from yellow to white, and the cursor
returns to the first item box.

Setup Items

Setting Operation-Related Parameters

• Loop number

The setup items of “Operation-related parameters” are set for each loop. When
changing these parameters, this setting is used to select the target loop number [1] to
[6] (initial value is 1). The loop number is displayed up to the number of loops you
specified at the time of purchase.

• Suppressing function

Select whether to use the overshoot suppressing function, [Overshoot] or [Off]. This
function operates only during PID control. However, the function does not operate if
the integral time or derivative time or both are set to [0].