4 - 6 4 - 6
MELSEC-Q
4 ABOUT QD51 (-R24) FUNCTIONS
4.2.2 Communications with a terminal
(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
CH.1
Data output
(Display of data to the screen)
QD51
RUN ERR
CH.1
CH.2
CH.1
CH.2
QD51
RS-232
RS-232
PRG
SD
RD
P.RUN
SD
RD
Screen display
Terminal
Hello!!
[Procedure for displaying data on a terminal screen]
The procedure for displaying data on a terminal screen is as shown below.
Output data to the
terminal.
Display the data
in the terminal.
Close the terminal
channel.
······ Set the data output destination in the channel the terminal is
connected to using the ZODV command.
······ Output data to the terminal by the PRINT command, etc.
Set the data output
destination.
Open the channel
to the terminal
where the data are
to be displayed.
······ Open the channel which the terminal is connected to using
the ZOPEN command.
Start
End
Summary of Contents for QD51
Page 1: ......
Page 2: ......
Page 154: ...App 7 App 7 MELSEC Q APPENDIX MEMO ...
Page 159: ......
Page 160: ......