Allen-Bradley MicroLogix 1200 Reference Manual page 348

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