Trend graph display – KEYENCE LS-7600 User Manual

Page 54

4-4

Chapter 4 Operation Control

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Trend Graph Display

Trend graph can be displayed when both outputs are displayed.

Trend Graph Display

OUT1

23.45670

OUT2

10.00015

CAM1

RUN

P – 00

AREA1

HEAD1
DIA

AREA2

HEAD1
DIA

A1 2
A2 2

01/02/18
17:50:42

24.10000

22.90000

11.10000

8.90000

❈

The Y-axis of trend graph is automatically set for the next set value and displayed
according to the tolerance set value.
• Reference value mode: (Reference value –A) to (Reference value +A)

A = (|Lower limit value| or |Upper limit value|, which ever is larger) x1.1

• Threshold mode: HH value to LL value

❈

A tolerance position is indicated with a yellow line.
• Reference value mode: Reference value + Upper limit and Reference value +

Lower limit

• Threshold mode: HI value and LO value

❈

The X-axis of a trend graph is set as graph TIME data. Refer to Option Settings on
page 5-55 for details.

Setting

10m

30m

12H

24H

Single-screen time

1 min

10 min

30 min

1 hr

2 hr

6 hr

12 hr

24 hr

Number of points

120 points

Refresh time

0.5 s

5 s

15 s

30 s

1 min

3 min

6 min

12 min

❈

A line is drawn between the maximum and minimum values of all the measuring
points in the refresh time and displayed as one-plot data in the X-axis direction.

❈

A trend graph has 50 points in the Y-axis direction and 120 points in the X-axis
direction.

❈

The screen is scrolled to the left to continue when a single-screen data is displayed.

❈

The data scrolled to the left cannot be returned and displayed again.