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Graphical Digital Panel Meter WPMZ-3 INSTRUCTION MANUAL
76
IM-0883-01
17.
WAVE COMPARE MODE
Overview
This is a mode to compare measurement waveform (white line in figure below) and comparison waveform (green lines
in figure below). This mode outputs when alarming and log the waveform.
Calculation of Ach and Bch can not be used in this mode.
For stable measurement, using analog filter (only straingauge input) and moving average are recommended.
See appendix to know about the data format of the waveform log that can be acquired by the communication function
and the data format of the comparison waveform that can be created by the communication function.
To switch to wave compare mode, operate [MENU]
⇒
[System]
⇒
[General]
⇒
[MeasureMode]
⇒
[WaveCompere].
Main functions of this mode are below.
・
Alarm Output
Display [OK] when measurement waveform is between comparison waveforms at all times.
Display [NG] when measurement waveform is out of comparison waveforms even once and output alarm output.
OK judgement is done at finishing measurement.
NG judgment is done even during measurement, and in case of NG, alarm output is output immediately.
[GO Output] is ON while judgement is [OK], and is OFF while other state.
・
Create Compare Waveform
Comparison waveform is made by editing waveform that is an average of some waveforms that are measured for
standard. (described later)
・
Wave Log
You can log measurement waveform data each OK data and NG data up to 4 waveforms. (described later)
・
About Measument Time
Measurement data points are 1500 points.
Measurement time varies depending on sampling speed shown below.
Setting
Coefficient
of TimeAxis
Measument time
Sampling Rate
4000 times/sec
×25ms
0.375sec
2000 times/sec
×50ms
0.75sec
1000 times/sec
×100ms
1.5sec
500 times/sec
×200ms
3sec
200 times/sec
×500ms
7.5sec
100 times/sec
×1s
15sec
50 times/sec
×2s
30sec
20 times/sec
×5s
1min 15sec
10 times/sec
×10s
2min 30sec
5 times/sec
×20s
5min
2 times/sec
×50s
12min 30sec
1 times/sec
×100s
25min
Per 2sec
×200s
50min
Per 5sec
×500s
125min
Per 10sec
×1000s
250min