Rockwell Automation 2706 DL40 HARDWARE USER MANUAL - Manual (Page 43)

Chapter 5
Special Messages
5 – 4
Note: After one minute, the DL40 will automatically return to the Run
Mode.
To cease viewing the stack:
•
Trigger Special Message 901, 903, 904, or 915
•
From keyboard–press [ESC]
•
From front panel–press [MSG ACK]
•
Exit the Run Mode
909 (or 09) Clear Historical Events Stack
This Special Message clears the Historical Events Stack of all messages put
on the stack before it was run. This message will be put at the end of the
queue and will only be run after all messages preceding it have been run.
Important: Once this message is running, it cannot be stopped. If it has
not yet started to run, it can be stopped by triggering Special
Message 902.
910 (or 10) Interactive Clock Setting
This Special Message allows you to set the clock while the DL40 is in the
Run Mode. Having received this message, the DL40 displays the current
time and date, and allows you to use message triggers to change the current
values.
If you trigger Message Number The clock will
1 increment 1 second
129 decrement 1 second
2 increment 1 minute
130 decrement 1 minute
4 increment 1 hour
132 decrement 1 hour
8 increment 1 day
136 decrement 1 day
16 increment 1 month
144 decrement 1 month
32 increment 1 year
160 decrement 1 year
64 toggles AM–PM
If triggering a message puts clock/date data out of range, the message is
ignored.