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GFK-0467K Chapter 4 Series 90-30/20/Micro Instructions Set 4-53
4
NOT (WORD)
The NOT function is used to set the state of each bit in the output bit string Q to the opposite of the
state of the corresponding bit in bit string I1.
All bits are altered on each scan that power is received, making output string Q the logical
complement of I1. The function passes power flow to the right whenever power is received.
_____
| |
(enable) —| NOT
_
|— (ok)
| |
| WORD|
| |
(input parameter I1) —|I1 Q|— (output parameter Q)
| |
| |
| |
|_____|
Parameters:
Parameter Description
enable When the function is enabled, the operation is performed.
I1 I1 contains the constant or reference for the word to be negated.
ok The ok output is energized whenever enable is energized.
Q Output Q contains the NOT (negation) of I1.