Cutler-Hammer D320 PLC, User Manual

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D320 PLC User's Manual
4. When changing the hour, minute, and second, the new data is input in W2857 and W2856
then the F12.14 bit is turned on. If the new data is not set correctly, the F12.10 bit turns on.
5. The display date and set date are expressed in BCD so it is convenient to input as hex($).
6. The year, month, and day are changed automatically.
7. The RTC can be set using GPC5 as follows:
• In the online menu choose System Control then select F1(System Control).
•
Using the direction key enter in the date in the yy-mm-dd format. Use the direction key to
select the year then enter 98.
•
Move using the direction key to select the month, day, and week and enter the current
information.
•
Tab the cursor to Done and press Enter to set the entered information.
•
Use the same procedure for setting the hour, minutes, and seconds.
8. The RTC can be set using WinGPC as follows:
•
Go online with the D320 by clicking on the Online button on the toolbar, or by selecting
Online from the Online menu.
• Enter the PLC ID (or 255 for direct connection) and password, and click the OK button to
go online.
•
Once connected to the D320 PLC, select Status Monitoring from the Monitoring menu.
• Click on the RTC Date button to open the Date window. Enter the current year, month,
and day, and select the day of the week. Click the OK button to accept the values and
change the data in the PLC.
•
Click on the RTC Time button to open the Time window. Enter the current time in 24-
hour HH:MM:SS format. Click the OK button to accept the values and change the data in
the PLC.
9. The D320 PLC realtime clock is completely year 2000 compliant. However, as the year is
designated by a two-digit representation, it is the responsibility of the programmer to
accurately account for the proper calculation of dates using the two-digit value. Register
SR289 is provided as a convenience for holding a four-digit representation of the year.