Omron NT21 Reference Manual page 419

Examples of Actual Applications of Direct Access
Example:
1, 2, 3...
Reference: With PT, once an element has been drawn, it is not redrawn unless the display
404
Guide character type:
OFF guide characters: TRANSPORTING
ON guide characters:
PC address:
PC bits 0 to 15 come ON according to the position of an automatic guided ve-
hicle, and the position of the vehicle is shown on the screen.
PT
1. Create figures depicting the automatic guided vehicle with library data (fixed
display graphics) or image data (composed of dots). If there is a figure with a
different orientation, create it separately.
2. Register image/library lamp set as shown below for the position correspond-
ing to bit 0 on the screen.
OFF State, Code:
Check mark not set
ON State, Code:
Check mark set, code for the library data for the automatic guided vehicle
created in (1) (shape corresponding to the position)
PC Address:
Bit number of bit 0 indicating the automatic guided vehicle's position
3. Register image/library lamps set for bits 1 to 15 in the same way as in (2).
contents change (this applies even with overlapping screens). Consequently, if a
rail is drawn as a fixed display element underneath the automatic guided vehicle,
when the automatic guided vehicle moves, the rail underneath the position
where the automatic guided vehicle was originally placed, cleared together as
the vehicle moves. Bear this in mind when creating the screen data.
The rail is cleared.
ON/OFF switching
TRANSPORT OVER
Bit address of the bit used to change between the
character strings
Automatic guided vehicle
at bit 0 position
Automatic guided vehicle
at bit 1 position
Section 5-1
PC
15 0 Bits