Unipulse TM500, Operation Manual

Page: 66 / 165

4 SETTINGS AND CALIBRATIONS
57
Chapter
4
SETTINGS AND CALIBRATIONS
- Detection Start Load
Set the load to start the detection of Inflection Point.
If you do not use Detection Start Load, press
.
Operation
Setting range (-9999 to 9999)
Main screen
→
Setting
→
Work Setting
→
Hold Setting
→
Use Hold
→
Inflect.
→
Start Load
How to detect an inflection point
The amount of change in the indicated value at
Detection Interval A (load A) and the amount of
change in the indicated value at Detection Interval B
(load B) are compared, and when Difference C
between these loads exceeds the Detection Load
Difference set value, point a is held as an inflection
point.
If there are two or more inflection points in the hold
section, the point with a larger amount of change is
held.
Normally A=B, but if A<B with a gradual inclination,
it becomes easy to detect the inflection point.
Load
Time or
Detection
Start Load
Load B
Inflection
A B
Load A
C
Load A
Detection Start
A: Detection Interval A
B: Detection Interval B
C: Load Difference
Held as an inflection point
if C>Detection Load Difference.
point a
displacement
If the setting of Detection Interval AB is too short,
fine changes in load are detected so that a correct
value may not be able to be held.
In this case, set Detection Interval B large as close
to the load change time as possible, and also set
Detection Load Difference large according to the
amount of change, by which an inflection point is
held in the correct position
.
Load change
True
inflection
point
Inflection
point
Point