Section 7 Using The Rs-232C Interface Unit; Communication With The Host - Omron NT-series Operation Manual

     
5-2-3

Communication with the Host

Communication with Host Link, NT Link, and C200H Direct Communication
Communication Using RS-232C
Controllable NT600S Functions
Using the direct communication function, bits and words can be allocated without
restriction to the PC memory area, and data can then be directly written to and
read from these bits and words. This makes the following possible:

Control and notification of display elements

Control and notification of NT600S statuses

Screen switching

Ascertainment of the screen number of the displayed screen

Memory table operations
For details on the actual operations involved, refer to Section 5 "Using Host Link/
NT Link/C200H Direct".
In RS-232C communication, by sending and receiving commands via an RS-232C
interface, the following functions of the NT600S can be utilized from various types
of host.

Control and notifications of display elements

Control and notification of NT600S statuses

Memory table operations

Display/deletion of characters and graphics
For details on the actual operations involved, refer to Section 6 "Using the
RS-232C Interface Unit".
The following statuses of the NT600S can be controlled.
Screen display
Continuous and intermittent buzzers
Backlight mode
For details on the actual procedures used for these types of control, refer to Sec-
tion 5-4 "NT600S Status Control" (page 192), and also "Screen Display Control"
(page 214) and "Buzzer Control" (page 214).
:Displays and clears screens
:Sounds and stops the buzzer
:Switches on the backlight on/causes the
backlight to flash
Section 4-2