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4-50 Series 90-30/20/Micro Programmable Controllers Reference Manual – September 1998 GFK-0467K
4
Valid Memory Types:
Parameter flow %I %Q %M %T %S %G %R %AI %AQ const none
enable •
I1 • • • • • • • • • •
I2 • • • • • • • • • •
ok • •
Q • • • • •† • • • •
• Valid reference or place where power may flow through the function.
† %SA, %SB, or %SC only; %S cannot be used.
Example:
In the following example, whenever input %I0001 is set, the 16-bit strings represented by
nicknames WORD1 and WORD2 are examined. The results of the Logical AND are placed in
output string RESULT.
| _____
|%I0001 | |
|——| |———| AND
_
|—
| | WORD|
| | |
| WORD1 —|I1 Q|—RESULT
| | |
| | |
| | |
| | |
| WORD2 —|I2 |
| |_____|
|
WORD1 0 0 0 1 1 1 1 1 1 1 0 0 1 0 0 0
WORD2 1 1 0 1 1 1 0 0 0 0 0 0 1 1 1 1
RESULT 0 0 0 1 1 1 0 0 0 0 0 0 1 0 0 0