DL-300 Data Logger User Manual Version 1.1.0 Aug. 2015
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Q12: How to display message on the DL-300 with Modbus command?
A12: The message can be pre-saved in the DL-300 or directly displayed on the screen.
Writing the index number for a pre-saved message to Modbus address 40861 (based 1)
can display the message. The time for display message is set in the address 40859,
ranged from 1 to 65535 in seconds.
Setting the display time
Holding Register (4xxxx, base 1)
Address
Description
Attribute
40859
Sets the time for displaying message, ranged from 1 to 65535
in seconds.
0 = displays message until a stop command received
R/W
Displaying a pre-saved message
The DL-300 is able to save a maximum of 20 messages with an individual index.
Write the index to address 40861 to display the message and write 65535 to stop
the display and return to the home screen.
Holding Register (4xxxx, base 1)
Address
Description
Attribute
40861
Write the index to display a pre-saved message.
0 ~ 19: the message index, 65535: stop displaying message.
R/W
The display-message-on-screen function
supports multiple language character sets
based on UTF-8 encoding. A message can
have a maximum of 6 lines and 14
half-width characters or 7 full-width
characters maximum each line.
The background color, text color, text
alignment, buzzer prompt sound, and
acknowledge button are configurable for
users' requirements
.
.
