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
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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