WEB S ERVER CPU MODULE U SER ’S MANUAL FC9Y-B1278 5-75: FUNCTION AREA S ETTINGSSNTP ServerThis section describes the configurations for using SNTP server.ApplicationsThe Web server CPU module can obtain the current time from an SNTP server in the network. The obtained time is storedin 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 FunctionsWhen the Web server CPU module is powered on, the current time (GMT) is obtained from the SNTP sever and adjustedaccording to the time zone. The adjusted time is stored in the special data registers D8414 through D8420. After thecurrent time is obtained from the SNTP server, the calendar/clock stored in D8414 through D8420 are updated with aninternal timer of the Web server CPU module. The Web server CPU module obtains the current time from the SNTPserver and adjust the current time every 10 minutes.Programming WindLDR1. 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 beconfigured 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" onpage 5-4.Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
