Communications With A Terminal - Mitsubishi QD51-R24 User Manual

4 ABOUT QD51 (-R24) FUNCTIONS

4.2.2 Communications with a terminal

4 - 6
(1) Displaying data on a terminal screen
Here, the way of thinking in the case of displaying data on the terminal screen is
explained.
QD51
QD51
RUN ERR
PRG P.RUN
SD SD
CH.1 CH.2
RD RD
CH.1
RS-232
CH.1
CH.2
RS-232
QD51
[Procedure for displaying data on a terminal screen]
The procedure for displaying data on a terminal screen is as shown below.
Start
Open the channel
to the terminal
······ Open the channel which the terminal is connected to using
where the data are
the ZOPEN command.
to be displayed.
Set the data output
······ Set the data output destination in the channel the terminal is
destination.
connected to using the ZODV command.
Output data to the
······ Output data to the terminal by the PRINT command, etc.
terminal.
Display the data
in the terminal.
Close the terminal
channel.
End
Data output
(Display of data to the screen)
MELSEC-Q
Terminal
Hello!!
Screen display
4 - 6