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Section 4-6
When a lamp is overlapped with a memory table display
The guide display message for a lamp is a fixed character-string. If you want to
change the lamp guide display inaccordance with some condition, overlap the dis-
play area of a numeral memory table or character-string memory table with the
lamp. However, note that -- as shown below -- different results will be achieved
depending on the timing of the lighting of the lamp and the updating of the memory
table. Bear this in mind when creating the control program.
Example 1 :Lamp lit after the memory table is updated
Lamp OFF
Character-string memory
table display area
Memory table
updated
Lamp turned
ON
Lamp OFF Lamp ON
The characters are
displayed white on black.
Lamp
OMRON PT
PT
Example 2 :Memory table updated while lamp is lit
Lamp OFF
Character-string memory
table display area
Lamp turned
ON
Memory table
updated
Lamp ON Lamp ON
The characters are
displayed white on black.
Lamp
OMRON OMRON
The memory table display
area of the lit lamp is
overwritten.
PT