Rockwell Automation 1761-HHP-B30 MicroLogix 1000 with Hand-Held Programmer (HHP) - Manual (Page 204)

Chapter 11
Using Data Handling Instructions
11–21
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:
S0/0 Carry (C) always resets.
S0/1 Overflow (V) always resets.
S0/2 Zero (Z) sets if result is zero; otherwise resets.
S0/3 Sign (S)
sets if result is negative (most significant bit is set);
otherwise resets.
Entering the Instruction
You enter the instruction from within the program monitor functional area.
P 0 0 0 N O T S R C
N 4 0
P 0 0 0 N O T D E S T
N 1 1 0
NOT
NOT
Source
N7:4
0
Dest N7:11
0
Execution Times (
µ
sec) when:
True False
28.21 6.78
Ladder representation:
Not (NOT)
ENT
1
FUN
1
To enter the function code, press:
1