Allen-Bradley MicroLogix 1000 User Manual

Using Data Handling Instructions
9–19
Or (OR)
The value at source A is ORed bit by bit with the value at source B and then stored
in the destination.
Truth Table
Dest = A OR B
A B Dest
0 0 0
1 0 1
0 1 1
1 1 1
Source A and B can either be a word address or a constant; however , both sources
cannot be a constant. The destination must be a word address.
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
33.68 6.78
OR
BITWISE INCLUS OR
Source A
Source B
Dest
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Allen-Bradley MicroLogix 1000 Specifications

General

Brand	Allen-Bradley
Model	MicroLogix 1000
Category	Controller
Language	English