Allen-Bradley MicroLogix 1400 User Manual

Publication 1766-RM001A-EN-P - October 2008
Logical Instructions 257
AND - Bit-Wise AND
Instruction Type: output
The AND instruction performs a bit-wise logical AND of two sources and
places the result in the destination.
For more information, see Using Logical Instructions on page 255 and
Updates to Math Status Bits on page 256.
AND
Bitwise AND
Source A N7:0
0000h<
Source B N7:1
0000h<
Dest N7:2
0000h<
AND
Execution Time for the AND Instruction
Controller Data Size When Rung Is:
True False
MicroLogix 1400 word 1.7894 µs 0.3781 µs
long word 1.8185 µs 0.3967 µs
Truth Table for the AND Instruction
Destination = A AND B
Source: A
1111101000001100
Source: B
1100111111000011
Destination:
1100101000000000
IMPORTANT
Do not use the High Speed Counter Accumulator (HSC.ACC) for the
Destination parameter in the AND, OR, and XOR instructions.
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Allen-Bradley MicroLogix 1400 Specifications

General

Processor	32-bit
Expansion Modules	Up to 7 expansion I/O modules
Power Supply	24V DC or 120/240V AC
Programming Software	RSLogix 500
Communication Ports	Ethernet, RS-232/RS-485 combo port
Controller Type	Programmable Logic Controller (PLC)
Series	MicroLogix
Digital Outputs	12
Analog Inputs	6 (embedded)
Analog Outputs	2 (embedded)
High-Speed Counter	6 high-speed counters
Pulse Output	2 (embedded)
Ethernet Port	Yes