Rockwell Automation 1785-LTx,D17856.2.1 Classic PLC-5 Programmable Controllers Users Manual User Manual
Page 127

Calculating Program Timing
Chapter 9
9-10
Category
Words of
Memory
2
Execution Time (
µ
s)
Floating Point
True
False
Execution Time (
µ
s)
Integer
True
False
Title
Code
Compute
CPT
add
67
34
124
34
6Ć9
subtract
multiply
73
34
130
divide
80
34
204
square root
113
33
244
34
5Ć7
negate
59
33
68
clear
49
30
55
34
4Ć5
move
58
33
5Ć7
convert to BCD
84
convert from BCD
75
AND
68
34
6Ć9
OR
XOR
NOT
59
34
5Ć7
Compare
CMP
equal
63
34
73
34
not equal
less than
less than or equal
greater than
greater than or equal
2
Use the smaller number if all addresses are below word 4096; use the larger number if all addresses are above 4096.
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