Omron NT-series Programmable Terminal V022-E3-1 - Manual (Page 32)


  
     

Section 1-5
Functions of the PT Status Control Area (PC to NT600S)
The “PT status control area” is used to control the NT600S status. When data is
written to this area in the PC, the NT600S 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 NT600S will operate as giv-
en 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
NT600S PC
Functions of the PT Status Notify Area (NT600S to PC)
The “PT status notify area” is used to notify the changes of the NT600S status.
When a change is made in the NT600S status, the change is written to this area in
the PC. By reading the data from the area, the NT600S status can be checked.
[Example of the PT status notify area application]
When a change is made in the NT600S 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
NT600S PC
12345678
12345678
12345678
Currently display screen