10-3
IM 701450-01E
10
Analyzing and Searching Waveforms
Explanation
This section describes the procedures for displaying history waveforms. The waveforms
that have been sequentially stored can also be displayed in the same fashion.
Number of History Waveforms
The table below shows the number of history waveforms that can be stored and held in
the acquisition memory according to the maximum record length and specified record
length of each model. If a waveform is acquired (a trigger is activated) exceeding this
number, the oldest waveform is cleared.
Specified Record Length Record Length 16 MW Record Length 4 MW
Memory Model Memory Model
(Models 701460 and 701480) (Models 701450 and 701470)
1 kW 1 to 2048 (4096) 1 to 2048 (4096)
10 kW 1 to 256 (512) 1 to 256 (512)
50 kW 1 to 64 (128) 1 to 64 (128)
100 kW 1 to 32 (64) 1 to 32 (64)
250 kW 1 to 16 (32) 1 to 16 (32)
500 kW 1 to 8 (16) 1 to 8 (16)
1 MW 1 to 4 (8) 1 to 4 (8)
2 MW 1 to 2 (4) 1 to 2 (4)
4 MW 1 (2) –(2)
8 MW 1 (1) –
16 MW –(1) –
• If the trigger count is 1, only the displayed waveform is held in the acquisition memory; past
waveforms are not held.
• Values inside the parentheses are the number of waveforms when interleave mode is ON.
• When box average is performed, acquisition is possible up to 4 MW (8 MW when interleave
mode is ON) on 16 MW memory models and up to 1 MW (2 MW when interleave mode is
ON) on 4 MW memory models.
Selectable Range of History Waveforms
• History waveforms have record numbers attached to them.
• The newest (current) waveform is 0, the waveform previous to that is –1, and so on.
• To select the waveform to be displayed, select the record number in the range of 0 to
–(the number of history waveforms – 1). The number of history waveforms varies
depending on the specified record length as indicated in the table above.
• The default value is 0.
Display Mode
You can select the display mode.
One
Displays only the waveform of the record number selected by Select Record from the range
specified by Start Record and End Record.
All
Displays accumulated all the waveforms in the range specified by Start Record and End
Record. The waveform selected by Select Record is highlighted (displayed brightly).
History Map
• The record numbers and time stamps (time when acquisition was completed
displayed in hour:minute:second.1/100 second format) of the history waveforms are
listed.
• The information of 75 waveforms is displayed on 1 screen.
• You can scroll and select the data to be displayed using the jog shuttle and display
the selected waveform.
10.1 Displaying History Waveforms
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