Using the rs-232 port – Rockwell Automation 2706-LV2P_LV2R_LV4P_LV4R DL40 PLUS USER MANUAL User Manual
Page 70

Serial Port Communications
6–2
Publication 2706-6.1
You can use the RS-232 port to:
•
upload or download message files up to 50 feet (15.24 meters)
using a direct or point-to-point connection.
See the Dataliner DL40 Plus Message Display Offline
Programming Software User Manual (Publication 2706-6.2) for
details.
•
communicate to a single slave message display.
Note: To send messages to a slave, you must set the Port Use for
the RS–232 port to DL Slaves.
•
trigger Open protocol messages.
•
input variable data in the Message Variable/Slave Run Mode and
Message Variable Run Modes using open protocol triggering.
•
dynamically add or delete messages to or from the list in Message
list run mode.
•
print Historical Events Stack.
•
print messages as they are triggered for display (if the Print
Message attribute is set).
•
print user application file (parameters and messages).
•
test displaying messages.
•
set the DL40 Plus using your computer’s real time clock.
•
return
[CTRL][X]
(ASCII Input) data.
Note: ASCII Input Data can only be returned via the RS–232 Port if
the message was triggered via the RS–232 Port.
Using the RS-232 Port