RTC Function File
Day of the Week
Contains the day of the week as indicated by the computer. You can synchronize this setting with the setting contained on the controller by clicking Set Date and Time.
Date
Contains the date of the calendar. To disable, write zeros to all fields. You can synchronize this setting with the setting contained on the controller by clicking Set Date and Time.
Time
Contains the time value of the clock. To disable, write zeros to all fields. You can synchronize this setting with the setting contained on the controller by clicking Set Date and Time.
Set Date & Time
Click this button when online to synchronize the date/time of the controller with the computer's current date and time.
Disable Clock
Click this button to disable the real-time clock to conserve power when the unit is stored and not in use.
Address/Value
The Real Time Clock file uses eight 1-word elements. The following processors allow access to the RTC:
MicroLogix 1200 Series B
MicroLogix 1500 LSP Series B
MicroLogix 1500 LRP Series B
With these processors the following write access is permitted except when in Download mode or when being transferred to/from a memory module:
_an RTC to RTC 500 CPU MSG write is permitted
_an RTC to integer file 500 CPU MSG write is permitted
RSLogix 500 - Copyright Rockwell Software
