Publication 1766-RM001A-EN-P - October 2008
260 Logical Instructions
NOT - Logical NOT
Instruction Type: output
The NOT instruction is used to invert the source bit-by-bit (one’s
complement) and then place the result in the destination.
For more information, see Using Logical Instructions on page 255 and
Updates to Math Status Bits on page 256.
NOT
NOT
Source N7:0
0<
Dest N7:1
0<
NOT
Execution Time for the NOT Instruction
Controller Data Size When Rung Is:
True False
MicroLogix 1400 word 1.3682 µs 0.4074 µs
long word 1.3620 µs 0.3900 µs
Truth Table for the NOT Instruction
Destination = A NOT B
Source:
1111101000001100
Destination:
0000010111110011
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