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4-6
1010PVNFM-3A
Section 4
4.4
THE DATALOGGER CONTROL MENU
The Datalogger Setup menu in the Channel Setup menu provides the Datalogger controls for
the meter’s measurement channels. It allows you to enable usage, select data items/ alarm
events, a logging interval and a destination for your Datalogger reports. While the Datalogger
Setup menu is measurement channel specific, this Datalogger Control menu provides global
control functions. This means that the settings made here apply to all measurement channels,
meter types, operating modes, etc. This is possible because the meter stores logged data in a
single
file. This is significant for dual-channel systems, since the logged data from both chan-
nels are combined. Therefore, select the Site ID item for each channel to be logged.
Datalogger Control allows you to select a [Circular Memory] mode that will over-write the
oldest Datalogger data automatically when the Datalogger memory becomes full due to the
data compression scheme employed. Note that this is only available for dual-channel systems.
The [Est Log Time Left] menu view-only menu cell shows an estimate of the hours and min-
utes of logging time remaining. This only applies to non-circular datalogging. Selecting Circu-
lar memory blanks this field. For convenience sake, the Display Datalogger command is es-
sentially a duplicate of the menu cell in Datalogger Setup. It sends Datalogger data to the
graphic screen with or without line wrapping. For dual-channel systems with logging enabled
on both channels, a screen dump from menu will show data from both channels. The Output
Datalogger command sends data to an external device via the RS-232 serial port. Data trans-
mitted from this menu will be from both channels of a dual-channel system. The Clear Data-
logger command erases the entire Datalogger file. For dual-channel systems, you are cau-
tioned not to use this command if your intention is to clear the logged data of only one chan-
nel.
To access the Datalogger Control Menu press
4.4.1 DISPLAY DATALOGGER
This menu cell allows you to send the Datalogger contents to the display screen. This com-
mand is effective only after a successful install. You can set the report to scroll on the screen
with or without line-wrap. Selecting line wrap, forces a line feed after approximately 40 char-
acters. In addition, you have to enable datalogging and then select items in the Datalogger
Setup menu. Note that this command transmits the data from both channels.
To send Datalogger contents to the display screen:
To access the Display Datalogger option list press
Scroll cursor to either [Line Wrap] or [No Line Wrap] by pressing
DATALOGGER CONTROL MENU STRUCTURE
Datalogger Control
Display Datalogger
Off
Line Wrap
No Line Wrap
Output Datalogger
No
Yes
Circular Memory
No
Yes
Est. Log Time Left
—:—
Clear Datalogger
No
Yes
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Содержание 1010PVDN
Страница 185: ...APPENDIX A Couplant Installation Instructions...