Allen-Bradley MicroLogix 1200 Reference Manual

Publication 1762-RM001C-EN-P
A-2 MicroLogix 1200 Memory Usage and Instruction Execution Time
ASCII String Search
(1)
ASC 0.0 16.2 + 4.0/
matching
char.
6.0 Long Word addressing level does not apply.
ASCII String Compare
(1)
ASR 0.0 9.2 + 4.0/
matching
char.
1.8
ASCII Write with Append AWA 14.1 268 + 12/char. 3.4
ASCII Write AWT 14.1 268 + 12/char. 3.4
Bit Shift Left BSL 1.3 32 + 1.3/word 3.8
Bit Shift Right BSR 1.3 32 + 1.3/word 3.8
Clear CLR 0.0 1.3 1.0 0.0 6.3 1.0
File Copy COP 0.0 19 + 0.8/word 2.0 Long Word addressing level does not apply.
Count Down CTD 9.0 9.0 2.4
Count Up CTU 9.2 9.0 2.4
Decode 4-to-1 of 16 DCD 0.0 1.9 1.9
Divide DIV 0.0 12.2 2.0 0.0 42.8 3.5
Encode 1-of-16 to 4 ENC 0.0 7.2 1.5 Long Word addressing level does not apply.
Equal EQU 1.1 1.3 1.3 1.9 2.8 2.6
FIFO Load FFL 11.1 11.3 3.4 11.2 11.7 3.9
FIFO Unload FFU 10.4 33 + 0.8/word 3.4 10.4 36 + 1.5/long word 3.4
Fill File FLL 0.0 14 + 0.6/word 2.0 0.0 15 + 1.2/long word 2.5
Convert from BCD FRD 0.0 14.1 1.5 Long Word addressing level does not apply.
Greater Than or Equal To GEQ 1.1 1.3 1.3 2.7 2.8 2.9
Greater Than GRT 1.1 1.3 1.3 2.7 2.8 2.4
High-Speed Load HSL 0.0 46.7 7.3 0.0 47.3 7.8
Immediate Input with Mask IIM 0.0 26.4 3.0 Long Word addressing level does not apply.
Interrupt Subroutine INT 1.0 1.0 0.3
Immediate Output with Mask IOM 0.0 22.3 3.0
Jump JMP 0.0 1.0 0.5
Jump to Subroutine JSR 0.0 8.4 1.5
Label LBL 1.0 1.0 0.5
Less Than or Equal To LEQ 1.1 1.3 1.3 2.7 2.8 2.9
Less Than LES 1.1 1.3 1.3 2.7 2.8 2.9
LIFO Load LFL 10.4 25.5 3.4 10.4 31.6 3.9
LIFO Unload LFU 10.4 29.1 3.4 10.4 31.6 3.4
Limit LIM 6.1 6.4 2.3 13.6 14.4 4.0
Master Control Reset MCR (Start) 1.2 1.2 1.0 Long Word addressing level does not apply.
MCR (End) 1.6 1.6 1.5
Masked Comparison for Equal MEQ 1.8 1.9 1.8 3.1 3.9 3.5
Move MOV 0.0 2.4 2.5 0.0 8.3 2.0
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

Allen-Bradley MicroLogix 1200 Specifications

General

Series	MicroLogix 1200
Type	Programmable Logic Controller (PLC)
Mounting	DIN rail or panel mount
Programming Language	Ladder Logic
Programming Software	RSLogix 500
I/O Points	Up to 40
Communication Ports	RS-232, RS-485
Memory	6 KB user memory
Power Supply	24V DC or 120/240V AC
Expansion	Supports expansion I/O modules
Operating Temperature	0°C to 55°C (32°F to 131°F)
Dimensions	90 mm x 110 mm
Weight	0.5 kg (1.1 lbs)