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4-52 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 %I0001 is set, the bit string represented by the nickname
WORD3 is cleared (set to all zeros).
_____
|%I0001 | |
|——| |———| XOR_|
| | WORD|
| | |
| WORD3 —|I1 Q|—WORD3
| | |
| | |
| | |
| | |
| WORD3 —|I2 |
| |_____|
|
I1 (WORD3) 0 0 0 1 1 1 1 1 1 1 0 0 1 0 0 0
I2 (WORD3) 0 0 0 1 1 1 1 1 1 1 0 0 1 0 0 0
Q (WORD3) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0