Yokogawa Button Operated MV2000 - Manual (Page 75)

3-1 M-4660
Measurement Channels and
Alarms
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App
Index
Chapter 3 Measurement Channels and Alarms
3.1 Setting the Scan Interval and the A/D Converter
Integration Time
This section explains how to set the scan interval and the A/D converter integration time.
For an explanation of these functions, see section 1.2.
Display
Press MENU and then select Menu tab > Basic setting mode > Menu tab > A/D,
Memory.
Settings
• Scan interval>Scan mode
Normal: Measures at the normal mode scan interval.
Fast:
Measures at a scan interval of 25 ms (RD-MV1004, RD-MV1008, and RD-
MV2008) or 125 ms (RD-MV1006, RD-MV1012, RD-MV1024, RD-MV2010,
RD-MV2020, RD-MV2030, RD-MV2040, RD-MV2048). Fast sampling mode
is not available on models equipped with external input channels (/MC1). For
details, see section 1.2.
• Scan interval>Scan interval
The selectable settings appear.
• Scan interval>A/D integrate
When the scan mode is set to Normal, select an appropriate A/D integration time. Only
the selectable settings are displayed.
Setting Description
Auto The MV automatically detects the power supply frequency and sets the integration
time to 16.7 ms for 60Hz and 20 ms for 50 Hz. The integration time is fixed at 20 ms
(50 Hz) if you are using a 12-VDC power supply.
50Hz Sets the integration time to 20 ms.
60Hz Sets the integration time to 16.7 ms.
100ms Sets the integration time to 100 ms (when the scan interval is 2 s or 5 s).
600Hz The A/D integration time for fast sampling mode. You cannot change this value.