5
Capture High-Speed Signals by Triggering During Slow Recording
- New REC&MEM Function and Real-Time Saving -
Simultaneous Long-Term Monitoring and Transient Recording (REC&MEM)
n Transient waveform recording that is impossible with a pen recorder
The new REC&MEM function can record high-speed waveforms such as
intermittent noise by applying a trigger while recording long-term fluctuations
just like a pen recorder. This type of measurement previously required choosing
REC mode recording
Waveform envelopes recorded as
pairs of maximum and minimum
values
between the Recorder function (for slow trend graph recording), or the Memory
function (for high-speed oscilloscope-style recording). Now both types of
waveforms can be recorded simultaneously using the REC&MEM function.
MEM mode recording
Waveform captured with high-speed sampling
n
Maximum recording time for REC&MEM function (Recorder waveform)
•
The setting range depends on installed memory capacity, whether Memory Division is enabled, and whether 16-Ch Scanner Unit
8958 is installed.
Input signal
Input signal
Isolation
A/D
•
•
•
•
Recording length "Continuous" is not available with 100 to 200 ms/div timebase setting, and with the printer enabled.
Timebase settings from 10 ms/div to 1 s/div are not available when using A6 Printer Unit 8995-01 and numerical value printing.
When the sampling period for Recording and Memory recording is set at the same time.
Operation cannot be guaranteed when the time axis is longer than one year.
conversion
Write on
memory
Display
Thermal Printer
A/D
conversion
Without Scanner
Unit 8958
Memory capacity
32 M-words
Memory capacity
128 M-words
Memory capacity
512 M-words
Memory capacity
1 G-word
REC
Timebase
Sampling
Period
2,000 div
10,000 div
40,000 div
80,000 div
A4 size Printer Unit
8995
100 ms/DIV
to
3min 20s
to
16min 40s
to
1h 06min 40s
to
2h 13min 20s
to
Write on
memory
Maximum value
Minimum value
100ns
to
30 min/DIV
1 hr/DIV
41d 16h
83d 08h
208d 08h
- abbreviated -
- abbreviated -
- abbreviated -
- abbreviated -
- abbreviated -
With Scanner Unit
8958
Memory capacity
32 M-words
Memory capacity
128 M-words
Memory capacity
512 M-words
Memory capacity
1 G-word
A6 size Printer Unit
8995-01
REC
Sampling
Period
500 div
2,000 div
10,000 div
20,000 div
Timebase
100 ms/DIV
to
50s
to
3min 20s
to
16min 40s
to
33min 20s
to
100ns
to
30 min/DIV
1 hr/DIV
10d 10h
20d 02h
41d 16h
83d 08h
208d 08h
- abbreviated -
- omitted -
- abbreviated -
Sampling period
Time
n Operating Principle of the Recorder Function
With the Recorder function, only maximum and minimum values
of the data sampled within the specified timebase are written to
memory, so each recorded data point consists of a pair of values,
with 100 such points recorded for each waveform timebase division.
Because of this, the volume of recorded data is compressed while
following steep fluctuations of the measured input voltage.
Note: When data recorded with the Recorder function is viewed on a PC, both
minimum and maximum values appear as a time series of data points.
n
Maximum recording time for REC&MEM function (Memory waveform)
• The setting range depends on installed memory capacity, and whether Memory Division is enabled.
Maximum recording length is available when Memory Division is disabled.
• Presence of 16-Ch Scanner Unit 8958 has no effect (scanner module signals are not written to
internal memory for Memory waveforms).
• Operation cannot be guaranteed when the time axis is longer than one year.
• Minimum recording length is available when Memory Division is set to 1,024 blocks.
Memory Division is Memory capacity
Memory capacity
128 M-words
Memory capacity
512 M-words
Memory capacity
1 G-word
With Memory
Division 1024 blocks
Memory capacity
32 M-words
Memory capacity
128 M-words
Memory capacity
512 M-words
Memory capacity
1 G-word
enabled
32 M-words
MEM
Timebase
Sampling
Period
MEM
Timebase
Sampling
Period
5,000 div
20,000 div
80,000 div
160,000 div
3 div
15 div
60 div
140 div
10 μs/DIV 100ns
20 μs/DIV 200ns
50 μs/DIV 500ns
50ms
200ms
800ms
1.6s
10 μs/DIV 100ns
20 μs/DIV 200ns
50 μs/DIV 500ns
30μs
60μs
150μs
300μs
750μs
to
600μs
1.2ms
1.4ms
2.8ms
100ms
250ms
400ms
1.6s
3.2s
8s
1s
4s
150μs
to
3ms
7ms
to
to
3.0s
to
to
to
to
- abbreviated -
to
to
3.0s
to
to
5 min/DIV
17d 08h 40min
69d 10h 40min 277d 18h 40min
5 min/DIV
15min
1h 15min
5h 00min
11h 40min
Recording Directly to Hard Disk or Other Storage Media (Real-Time Save)
n Maximum recording time for REC&MEM function
No. of recording channels
Max. recording time (typical)
Sampling
Period
Timebase
n Recording an Entire Waveform Anomaly
HDD
PC card
not applicable
not applicable
not applicable
1ch
HDD
PC card (512 MB)
The Real-Time Save function writes measurement data to the specified
destination during measurement, enabling long-term measurements independent
of the instrument’s installed memory capacity. The destination storage media
may be the internal hard disk, a PC Card or a shared network folder.
Simultaneously, overall measurement data (the
whole waveform) is recorded in the instrument’
s internal memory, which is then saved to
the storage media when measurement is
finished. For analysis, specify the range to be
analyzed from the overall waveform data, and
reload it. The reloaded data is used with the
Memory function for waveform and numerical
calculations, or with the FFT function for FFT
analysis.
5μs/DIV to 50μs/DIV
100 μs/DIV
200 μs/DIV
500 μs/DIV
1 ms/DIV
- abbreviated - not applicable
not applicable
not applicable
not applicable
1μs
2μs
1ch
1ch
2ch
4ch
8h 19min 17s
16h 38min 34s
20h 48min 10s
20h 48min 10s
16h 38min 20s
17h 17min 30s
1day 1h 8min 20s
2days 2h 16min 40s
- abbreviated -
not applicable
5μs
20min 55s
20min 40s
20min 20s
24min 20s
16min 40s
16min 40s
- abbreviated -
10μs
2ch
2 ms/DIV
20μs 10ch
50μs 24ch
100μs 33ch
200μs 33ch
4ch
5 ms/DIV
8ch
10 ms/DIV
20 ms/DIV
20ch
33ch
50 ms/DIV to 5 min/DIV - abbreviated - - abbreviated -
- abbreviated -
• Conditions: the hard disk or PC Card have just been formatted, and any recording length setting is set to
maximum. The timebase of the whole (compressed) waveform is set automatically, and the upper limit of
recording time is one year
• Recording time depends on the formatted capacity of the recording media and its available capacity, with
the above being just one example.
• Recordable time for storage media depends on the instrument's installed memory capacity, and the
total and available capacity of the media. The whole waveform is displayed in real time (and printing is
disabled).
Note: Scanner Unit 8958 is not used.
ASM-SENSOR [ ASM GMBH ]
