Not (not), Updates to arithmetic status bits, Entering the instruction – Rockwell Automation 1761-HHP-B30 MicroLogix 1000 with Hand-Held Programmer (HHP) User 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