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Note
157
NT11S Internal Processing
Appendix F
Event Processing
When the status of the NT11S changes during operation, the processing for writing the changed data to the relevant
area of the PC memory is executed.
This kind of processing is only executed when statuses change. When changes occur simultaneously, the proces-
sings are executed in accordance with the order of priority.
[NT11S processing]
[Details of processing]
(PT
®
PC)
(PT
®
PC)
Writing to character string memory tables
High
Low
Writing to the PT status notify area
Changing the contents of words allocated to the PC
when the value in a numeral memory table has
changed.
Changing the contents of words allocated to the PC
when the value in a numeral memory table has
changed.
Writing to bits in order to inform the PC that a touch
switch has been pressed.
Writing to the PT status notify area in order to inform
the PC of changes in the PT operating status.
Bit writing
Writing to numeral memory tables
O
rd
er
of
pr
io
rit
y
(PT
®
PC)
(PT
®
PC)
Data is only written to PC bits and numeral/character string memory tables for ele-
ments in screens currently being displayed. If the contents of numeral/character
string memory tables that are not being displayed change, the changed contents
are not written to the PC.
Summary of Contents for NT11S
Page 1: ...Cat No V029 E1 2 NT11S Programmable Terminal OPERATION MANUAL ...
Page 3: ...i ...
Page 4: ...ii ...
Page 5: ...iii NT series Programmable Terminal Operation Manual Produced June 1997 ...
Page 6: ...iv ...
Page 8: ...vi ...
Page 32: ...16 ...
Page 56: ...40 ...
Page 86: ...70 ...
Page 146: ...130 ...