Rockwell Automation 2706-LV2P_LV2R_LV4P_LV4R DL40 PLUS USER MANUAL - Manual (Page 51)

Using Special Messages 3–6
Publication 2706-6.1
911 (or 11) Set Clock with Variable Data
Sets clock with data sent as a variable. The DL40 Plus is year 2000
compliant.
Variable Number Contains Acceptable Values
1 Minutes 0–59
2 Hours 1–12 or 0–23
3 Date 1–31
4 Month 1–12
5 Year 0–99
6 Mode 0=AM
1=PM
2=24 hr
This message functions only in Message/Variable and
Message/Variable/Slave Run Modes since Message List and Bit
Trigger Run Modes do not support variables.
Note on using Discrete I/O: Since the number of variables that can
be sent depends on the rack size, small rack sizes cannot set all clock
parameters.
This message is put at the end of the queue and only runs when
previous messages have run.
This message terminates and retains new settings if either:
•
no new setting is received for 20 seconds
•
special message 915 (Stop Special Message/Resume Run Mode)
is triggered.
Message terminates and loses all new settings if either:
•
special message 901, 903, or 904 is triggered
•
Run mode is exited
912 (or 12) Send Time To PLC (Remote I/O versions only)
Sends clock data to the PLC.
This message is put at the end of the queue and only runs after all
messages before it have run. See Chapter 8, Remote I/O
Communications for examples.