Omron NT20S User Manual

17
Communications with PC by Direct Connection
Section 1-5
Functions of the PT Status Control Area (PC to NT20S)
The “PT status control area” is used to control the NT20S status. When data is
written to this area in the PC, the NT20S reads the contents and operates accord-
ing to the contents.
[Example of the PT status control area application]
When data is written to the PT status control area, the NT20S will operate as given
below.
Screen 3
display
Continuous
buzzer sound
Copy
Numeral memory table 50
Numeral memory table 7
PT status control area
Screen switch setting
Memory table
Copy setting
PT status control bits
NT20S PC
Functions of the PT Status Notify Area (NT20S to PC)
The “PT status notify area” is used to notify the changes of the NT20S status.
When a change is made in the NT20S status, the change is written to this area in
the PC. By reading the data from the area, the NT20S status can be checked.
[Example of the PT status notify area application]
When a change is made in the NT20S status, such change will be notified to the PT
status notify area as mentioned below.
Numeral memory table 13
PT status notify area
Content update memory table
Allocated word (numeral table 13)
PT status
Start
Start + 1
NT20S PC
12345678
12345678
12345678
Currently display screen

Omron NT20S Specifications

General

Brand	Omron
Model	NT20S
Category	Touch terminals
Language	English