Rockwell Automation 1761 MicroLogix 1000 Programmable Controllers - Manual (Page 169)

Using Data Handling Instructions
9–21
Not (NOT)
The source value is NOTed bit by bit and then stored in the destination (one’s
complement).
Truth Table
Dest = NOT A
A Dest
0 1
1 0
The source and destination must be word addresses.
Updates to Arithmetic Status Bits
With this Bit: The Controller:
S:0/0 Carry (C) always resets.
S:0/1 Overflow (V) always resets.
S:0/2 Zero (Z) sets if result is zero; otherwise resets.
S:0/3 Sign (S)
sets if result is negative (most significant bit is set); otherwise
resets.
Programming
Execution Times
(
µ
sec) when:
True False
28.21 6.92
NOT
NOT
Source
Dest