Echelon SmartServer 2.2 - Manual (Page 360)

SmartServer 2.2 User’s Guide 361

Create or open an Event Scheduler application following the steps described in Creating
Event Schedulers later in this chapter, and then click the Real-Time Clock / Astronomic
Position Sensor icon in the Scheduler: Configure Web page.
3. The Real Time Clock: Configure Web page opens.
4. Configure the following properties for the real-time clock and astronomical position sensor on the
SmartServer :
Name Displays the network path of the real-time clock functional block in the
following format: <network>/<channel>/<device>/<functional block>.
This field is read-only.
Description Enter an optional description of the real-time clock. This description has
no effect on network operation, but you can use it to provide additional
documentation for as-built reports.
Time Property
Default Time
Server Displays the IP address of the designated default SNTP time server used
by the real-time clock. You can click the IP address to access the Setup –
TimeService Web page of the SNTP time server. From this Web page,
you can change the properties of the SNTP time server, including clearing
its default designation.
See Adding a Time (SNTP) Server to the LAN in Chapter 3 for how to
configure the properties of an SNTP time server.
Backup Time
Server Displays the IP address of the backup SNTP time server used by the
real-time clock. You can click the IP address to access the Setup –
TimeService Web page of the SNTP time server. From this Web page,
you can change the properties of the SNTP time server, including
selecting it as the default time server.
See Adding a Time (SNTP) Server to the LAN in Chapter 3 for how to
configure the properties of an SNTP time server.
Last Time Sync Displays the last time in which the SmartServer synchronized its clock
with the default SNTP time server. The amount of time varies between 1
to 15 minutes, depending on the difference in time between the
SmartServer’s clock and the SNTP time server. As the difference
approaches 75 ms or less, the interval will keep increasing until it reaches