Omron NT30C-ST141-E Operation Manual page 233

Lamps and Touch Switches
Sym-
bol
DM DM Area
CH IR Area
TIM Timer Area
CNT Counter Area
HR HR Area
AR AR Area
LR LR Area
Procedure 1. Use the NT-series Support Tool to allocate the touch switch notify bits to the
In order to determine the status of a touch switch, the status of the touch switch
notification bit allocated to it is determined.
The touch switch notify bits can be allocated to the following areas of the PC
memory.
Alloca-
C Series PC
tion
f
f
×
×
f
f
f
The Auxiliary Area of CV series PC is used exclusively for special applications in
the system, and cannot be used for other application.
The range of each memory area differs according to the PC type. See the appen-
dix PC Memory Maps (page 291).
When making a data memory (DM) specification, specify the bit number (00 to
15) following the word number.
PC memory.
2. When creating the screen data using the NT-series Support Tool, register the
touch switch for a screen.
3. Program the PC to switch the notify bit of the touch switch ON and OFF.
S Important Points when Accessing Touch Switch Statuses
Details on touch switch notification operations are listed below.
Type of notification
operation
Momentary
Alternate
Set
Reset
When using touch switch input notification, note the following points.
Alloca-
CVM1/CV Series PC
tion
DM Area
f
CIO Area
f
Timer
×
Counter Area
×
-- --
Auxiliary Area
×
-- --
When using Host Link
When using NT link (DM
area)
(1) Notification in word units
(all other bits in the word
are OFF)
(2) Notification in word units
(note that the word con-
tents are read on display
and notification is based
on these contents)
Section 5-3
: Possible
f
× : Impossible
Alloca-
CS1 Series PC
tion
DM Area
f
CIO Area
f
Timer
×
Counter Area
×
HR Area
×
Auxiliary Area
×
-- --
When using NT link
(other than DM area)
(3) Notification in bit units
(4) Notification in bit units
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