3
Role and Operation of NT20S
Section 1-1
1-1-1 Operations of NT20S
Displays Screens The information to be displayed (screen data) can be created on a computer by
using support tools and stored in the NT20S. The screen data can be displayed on
the NT20S in response to the instructions from a Host or touch switch operation.
Host
The screen data designated by
instructions from Host or touch
switch operation is displayed.
Receives Data from a Host The NT20S can be connected to the Host using the host link or NT link commu-
nication method, or by using the RS-232C interface or C200H direct communica-
tion to enable reception of the required data from the Host.
Host
Host link, NT link, RS-232C,
C200H direct communication
Sends Data to a Host Data input through a touch panel can be sent to a Host.
Host
ON/OFF information,
numeric data, etc.
Touch panel
Screen Data The screen data to be displayed on the NT20S can be created by a computer by
using support tools. Connect the NT20S to a PC/AT with an RS-232C cable so that
the screen data are transferred to the NT20S.
This connection is made only to transmit the
screen data by using NT20S and tools.
(If C200H direct communication is used, the
support tool and Host can both be connected
at the same time.)
Create screen data.
PC/AT
(support tools)
Screen data
RS-232C
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