IDEC MicroSmart Pentra - Manual (Page 67)

W EB S ERVER CPU M ODULE U SER ’ S M ANUAL FC9Y-B1278 5-7
5: F UNCTION A REA S ETTINGS
SNTP Server
This section describes the configurations for using SNTP server.
Applications
The Web server CPU module can obtain the current time from an SNTP server in the network. The obtained time is stored
in the special data registers and can be used to adjust the clock cartridge. When the clock cartridge is not installed,
calendar/clock data obtained from SNTP server can be used as a simple clock.
Description of Functions
When the Web server CPU module is powered on, the current time (GMT) is obtained from the SNTP sever and adjusted
according to the time zone. The adjusted time is stored in the special data registers D8414 through D8420. After the
current time is obtained from the SNTP server, the calendar/clock stored in D8414 through D8420 are updated with an
internal timer of the Web server CPU module. The Web server CPU module obtains the current time from the SNTP
server and adjust the current time every 10 minutes.
Programming WindLDR
1. Select Configuration from the WindLDR menu bar, and then click Network Management.
The Function Area settings dialog box appears.
2. Enable Acquire the current date and time from an SNTP server.
3. Configure SNTP server name, SNTP server port, and time zone.
SNTP Server Name: Specify the host name of SNTP server. A maximum of 40 ASCII characters can be entered.
SNTP Server Port: Specify the port number of the SNTP server. The default port number is 123.
Time Zone: Specify the time zone of the location where the Web server CPU module is installed. The time zone can be
configured between GMT-12:00 to GMT+13:00.
Note:
• The host name of the SNTP server is resolved using DNS server. For details about DNS server settings, see "Network Settings" on
page 5-4.