Rockwell Automation 1785-Lxxx Enhanced and Ethernet PLC-5 Programmable Controllers - Manual (Page 332)

Publication 1785-UM012D-EN-P - July 2005
D-32 Instruction Set Quick Reference
File, Program Control, and ASCII Instructions
Category Code Title Time (
µ
s)
Integer
Time (
µ
s)
Floating Point
Words of
Memory
(1)
True False True False
File Arithmetic
and Logic FAL all 11 + (S[2.3 +
i])E 6.16 + Wi[0.16] 11 + (
Σ
[2.3 + i])E 6.16 + Wi[0.16] 3-5 +Wi
File Search and
Compare FSC all 11 + (S[2.3 +
i])E 6.16 + Wi[0.16] 11 + (
Σ
[2.3 + i])E 6.16 + Wi[0.16] 3-5 +Wi
File COP copy 16.2+E[0.72] 1.4 17.8+E[1.44] 1.4 4-6
counter, timer, and
control 15.7+E[2.16] 1.4
FLL fill 15.7+E[0.64] 1.5 18.1+E[0.80] 1.5 4-6
counter, timer, and
control 15.1+E[1.60] 1.5
Shift Register BSL bit shift left 10.6+B[0.025] 5.2 4-7
BSR bit shift right 11.1 +
B[0.025] 5.2 4-7
FFL FIFO load 8.9 3.8 4-7
FFU FIFO unload 10.0+E[0.43] 3.8 4-7
LFL LIFO load 9.1 3.7 4-7
LFU LIFO unload 10.6 3.8 4-7
Diagnostic FBC 0 mismatch 15.4 +
B[0.055] 2.9 6-11
1 mismatch 22.4 +
B[0.055] 2.9
2 mismatches 29.9+ B[0.055] 2.9
DDT 0 mismatch 15.4 +
B[0.055] 2.9 6-11
1 mismatch 24.5 +
B[0.055] 2.9
2 mismatches 34.2 +
B[0.055] 2.9
DTR data transitional 5.3 5.3 4-7
(1)
Use the larger number for addresses beyond 2048 words in the controller’s data table.
i = execution time of each instruction (e.g., ADD, SUB, etc.) used within the FAL or the FSC expression
E = number of elements acted on per scan
B = number of bits acted on per scan
Wi = number of words used by the instruction (e.g., ADD, SUB, etc.) within the FAL or FSC expression
FAL or FSC instructions are calculated with short direct addressing