Displaying Online Help With A Touch Switch; Continually Monitoring A Specific Pc Bit And Displaying A Message On A Window When It Comes On - Omron NT21 Reference Manual

Examples of Actual Applications of Direct Access

Displaying Online Help with a Touch Switch

Example:
1, 2, 3...
Continually Monitoring a Specific PC Bit and Displaying a Message on a Window
When It Comes ON
Example:
1, 2, 3...
Displaying help information in a window when a touch switch is pressed.
HELP
1. Create a new screen as a keyboard screen.
2. Register help information as text and graphics for the screen created in (1).
3. Make settings like those indicated below to register a touch switch for the
screen created in (1).
Function:
Keyboard screen No.:
Action type:
Guide character display:Check mark set, fixed character string, guide
4. Specify the area to be displayed as a window, making sure that it will accom-
modate the help information and the touch switch created in (3).
5. Register a touch switch on the screen on which the help information is to be
displayed (base screen), making the following settings for it.
Function:
Keyboard screen No.:
Action type:
Guide character display:Check mark set, fixed character string, guide
By setting the action type of the touch switch on the base screen as Toggle, the
window can be opened and closed from the base screen.
Opening a window and displaying an error message on it when the monitored bit
at the PC comes ON.
1. Set TEMPERATURE ABNORMAL as the initial value for any character
string memory table entry.
2. Make the following settings for any bit memory table entry.
PT
Window opens
Window closes
Input key – keyboard
Number of keyboard screen currently being
created
Close
characters Close
Input key – keyboard
Numbers of keyboard screens created in (1) to
(4)
Open
characters HELP
PT
TEMPERATURE
ABNORMAL
ON
MOVE CLOSE
Window
Section 5-1
How
to use
...
Close
HELP
PC
Bit
405