Allen-Bradley MicroLogix 1000 User Manual

Name: Allen-Bradley MicroLogix 1000
Brand: Allen-Bradley
Rating: 4 (1 reviews)

422 pages

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Using Data Handling Instructions

9–21

Not (NOT)

The

source value is NOT

ed 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

(µsec) when:

True False

28.21 6.92

NOT

Source

Dest

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