WSDA
®
-2000 User Manual
l Manual time synchronization utilizes a time entered by the user. Enter the time in the
System Time field, and select the Set System Time button.
l Last Known synchronizes to the last time recorded on the WSDA-2000. This could be from
the internal Real Time Clock (RTC) or a file on the gateway.
l GPS allows the WSDA-2000 to synchronize with a compatible external GPS device for
extremely accurate time.
NOTE
Using GPS as a time source is only available in the Time Options menu when a GPS
integrated device, such as a LORD Sensing GPS enabled inertial sensor, is connected
to the WSDA - 2000 customization serial port. For more information refer to see
Recommended Sensors on page 1 or contact LORD Sensing Technical Support (see
Technical Support on page 78).
To select the time source check the Enabled check- box next to the source name in the Time
Sources menu. Each time source also has an accuracy field and an expiration field. Accuracy is
fixed and dependent on the source. Expiration represents how long the time synchronization is valid
for, and it is set by the user.
System Time displays the current time being used by the gateway. Time can be manually entered
by typing directly into the field and selecting the Set System Time button. This function is normally
used when no other time source (Time Servers, GPS, etc.) is available. If the time is set forward
more than an hour from the host computer, the Control Panel web session will be expired and the
user will have to log in again.
The Time Servers selections allows the user to set which time servers the gateway uses to
synchronize time, and in what order it attempts to do so. The time servers are displayed in a list with
the first server, order 0, being the first server checked. The time server must support NTP for the
gateway to use it. The WSDA-2000 comes pre-configured with some known time servers.
To insert a new time server, fill in the last line Order column with the numerical order to place the
time server in the list. Next enter the host name of the time server in the Hostname column. Click the
Insert button.
To delete a time server locate the time server in the list, and click the Delete button next to it.
To change the order of an existing time server locate the time server on the list, and enter the new
order number in the Order column. Click Apply. Other servers with the same numerical designation
will automatically be moved.
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