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Allen-Bradley micrologix 1500 Reference Manual

Allen-Bradley micrologix 1500
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1 Publication 1762-RM001C-EN-P
Appendix
A
MicroLogix 1200 Memory Usage and Instruction
Execution Time
This appendix contains a complete list of the MicroLogix 1200
programming instructions. The list shows the memory usage and
instruction execution time for each instruction. Execution times using
indirect addressing and a scan time worksheet are also provided.
Programming
Instructions Memory
Usage and Execution
Time
The table below lists the execution times and memory usage for the
programming instructions. These values depend on whether you are
using word or long word as the data format
.
Table A.1 MicroLogix 1200 Memory Usage and Instruction Execution Time for Programming Instructions
Programming Instruction Instruction
Mnemonic
Word Long Word
Execution Time in µs Memory
Usage in
Words
Execution Time in µs Memory
Usage in
Words
False True False True
ASCII Test Buffer for Line
(1)
ABL 12.5 115 + 8.6/
char.
3.3 Long Word addressing level does not apply.
ASCII Number of Characters in
Buffer
(1)
ACB 12.1 103.1 3.3
ASCII String to Integer
(1)
ACI 0.0 17.6 + 7.2/
char.
1.5 0.0 24.6 + 11.6/char. 1.5
ASCII Clear Buffer ACL 0.0 clear:
both 249.1
receive 28.9
transmit 33.6
1.2 Long Word addressing level does not apply.
ASCII String Concatenate
(1)
ACN 0.0 22.6 + 11.5/
char.
2.0
Add ADD 0.0 2.7 3.3 0.0 11.9 3.5
ASCII String Extract
(1)
AEX 0.0 14.8 + 2.9/
char.
2.5 Long Word addressing level does not apply.
ASCII Handshake Lines
(1)
AHL 11.9 109.4 5.3
ASCII Integer to String AIC 0.0 29.3 +5.2/
char.
1.4 0.0 82.0 1.6
And AND 0.0 2.2 2.8 0.0 9.2 3.0
ASCII Read Characters
(1)
ARD 11.8 132.3 + 49.7/
char.
4.3 Long Word addressing level does not apply.
ASCII Read Line
(1)
ARL 11.7 139.7 + 50.1/
char.
4.3

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Allen-Bradley micrologix 1500 Specifications

General IconGeneral
Processor Type16-bit
Programming LanguageLadder Logic
MountingDIN rail or panel mount
Programming SoftwareRSLogix 500
Communication PortsRS-232
Power Supply24V DC
Operating Temperature0°C to 55°C (32°F to 131°F)
Controller TypeProgrammable Logic Controller (PLC)

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