Campbell Scientific LoggerNet Datalogger Support Software - Manual (Page 423)

Section 10. Utilities Installed with LoggerNet
Controls on this panel include the following:
Automated Clock Check – This check box is used to turn the clock check
schedule on or off.
Base Date – These fields are used to specify when the first scheduled clock
check should occur. If the time reflected by these fields has already occurred, a
clock check will be performed during the next data collection attempt with the
station.
Interval – Enter an interval for how often a clock check should be performed.
Max Deviation – Enter the amount of time, in seconds, that the station’s clock
can differ from the LoggerNet server’s clock before the station’s clock is
corrected. If 0 is entered, the clock will be checked but not set. The Last Clk
Chk and Last Clk Diff statistics can be viewed in the Status monitor to
determine the time of the last clock check and the amount of deviation when
this value is set to 0.
Time Zone Offset – Enter an amount of time to offset the station’s clock from
the PC’s clock when it is set. This feature is useful if the station is located in a
different time zone than the PC, and you want the station to reflect the local
time when the clock is set.
LoggerNet Data/Time – Displays the date and time for the computer on which
the LoggerNet server is running. This value will be displayed/updated only
when the Check button is pressed. Note that if a Time Zone Offset has been
applied to the station, the server time reflected will include this offset.
Station Date/Time – Displays the date and time for the station. This value will
be displayed/updated only when the Check button is pressed.
The station’s clock can be set to that of the PC’s by pressing the Set button.
A station will not be contacted by LoggerNet only for a clock
check. If a clock check interval occurs outside of a scheduled data
collection interval, the clock check will be executed the next time
data collection is attempted.
Windows operating systems can be configured to update the
computer’s time based on an Internet clock (such as an atomic
clock) on a regular basis. This, along with the Automated Clock
Check function can be used to maintain an accurate time for the
LoggerNet server. Other operating systems can use third party
utilities for this functionality. Refer to Microsoft’s on-line
documentation on clock synchronization for additional
information on setting up this functionality in the OS, or search
the Internet using “Windows clock synchronization” for third
party utilities.
NOTES
10-17