WebConsole - Network Options
39
NX-Series Controllers - WebConsole & Programming Guide
Setting the Mode for the Clock Manager
1. In the Manage System tab (FIG. 33), select a Time Sync option.
Network Time: This option allows the Master to manage it’s clock by connecting to a NIST (Internet Time Service) Server.
When this option is selected, the Master will connect to the default NIST Server to get date and time information.
You can select a different NIST Server (or specify the IP Address of a known NIST Server) in the NIST Server Manager
section (see the Selecting a Custom NIST Server section on page 39).
Stand Alone: This option lets the Master use its own internal clock. When this option is selected, two additional fields are
available on this tab:
Date - Enter the current date in this field (mm/dd/yyyy).
Time - Enter the current time in these fields (Hours/Minutes/Seconds).
2. Click Accept to save these settings to the Master.
Setting Daylight Savings Rules
1. In the Daylight Savings Time Manager section (FIG. 34), enable Daylight Savings mode by clicking the On button. Clicking On
reveals additional Daylight Savings options.
2. Use the Offset drop-down menus to adjust the amount of time (hours and minutes) to offset Daylight Savings. By default, the
offset is set to 1 hour.
NOTE: Although most places that support Daylight Savings usually adjust the local time by one hour this doesn't cover all locations.
To provide flexibility for such locations it is possible to configure a different daylight savings time offset.
3. Use the Starts fields to specify when Daylight Savings should start. The Starts rules include:
Select Fixed to specify the calendar date when the rule applies as a specific date ("March 21"). When Fixed is selected, use
the Day, Month, Hours, and Minutes fields to specify the date and time (hh:mm) to start Daylight Savings time.
Select by Occurrence to specify the calendar date when the rule applies as a heuristic, ("the 3rd Sunday in March"). When
by Occurrence is selected, use the Wk of the Month, Day, Month, Hours, and Minutes fields to specify the occurrence to
start Daylight Savings time.
The range for Wk of the Month is 1 through Last, where Last indicates the last occurrence of a particular day of the
month. This is to accommodate months that include four weeks as well as those that include five.
4. Use the Ends fields to specify when Daylight Savings should end. The Ends rules match the Start rules, and follow the same
logic. Select Fixed or by Occurrence, and specify the End date/time information accordingly.
5. Click Accept to save these settings to the Master.
Selecting a Custom NIST Server
1. In the NIST Server Manager section (FIG. 35), use the option buttons to select one of the NIST Servers in the list.
2. Click Accept to save the selection to the Master.
FIG. 34
Date/Time Options - Daylight Savings Time Manager
FIG. 35 Date/Time Options - NIST Server Manager
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