1-1SectionRole and Operation of the NT21
3
1-1-2 Operations of the NT21
The
screen data to be displayed on the NT21 can be created on a personal com
-
puter using the NT Support Tool. Connect the NT21 to the personal computer
with an RS-232C cable and transfer the screen data to the NT21.
Create screen data.
Personal
computer
(NT Support Tool)
Screen data
RS-232C
When the host is connected at serial port A,
the personal computer is only connected
when communicating screen data between
the NT21 and NT Support Tool.
The
information to be displayed (screen data) can be created on a computer
us
-
ing the NT Support Tool and stored in the NT21. The screen data can be dis-
played
on
the NT21 in response to commands from the host or touch switch op
-
eration.
Host
The screen data designated by
commands from the host or touch
switch operation is displayed.
The NT21 can be connected to the host by a Host Link or NT link and receive
necessary data from the host.
Host Link, NT link
Host
Data inputs (switch ON/OFF statuses, numeric values, character strings) that
were
input with devices such as touch switches can be transmitted to the host.
Touch panel
Host
ON/OFF information, numeric
data, etc.
Transfers Screen Data
Displays Screens
Receives Data from a
Host
Sends Data to a Host
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