Siemens SIMATIC S7-200 System Manual page 572

Execution Times for STL Instructions
Execution Times for the STL Instructions (in µs) (continued)
Table F-4
Instruction
RLD Total = Basic time + (Length LM)
RLW Total = Basic time + (Length LM)
RRB Total = Basic time + (Length LM)
RRD Total = Basic time + (Length LM)
RRW Total = Basic time + (Length LM)
S For length = 1 and specified as a constant (e.g., S V0.2, 1)
Otherwise,
If the length is stored in a variable instead of being a
constant, increase the basic execution time by adding:
SBR Basic execution time
SCRE Basic execution time
SCRT Basic execution time
SEG Basic execution time
SHRB Total = Basic time + (Length LM1) + ((Length/8) LM2)
SI Total = Basic time + (Length LM)
If the length is stored in a variable instead of being a
constant, increase the basic execution time by adding:
SIN Basic execution time
Maximum execution time
SLB Total = Basic time + (Length LM)
F-8
Description
Basic execution time
Length multiplier (LM)
Basic execution time
Length multiplier (LM)
Basic execution time
Length multiplier (LM)
Basic execution time
Length multiplier (LM)
Basic execution time
Length multiplier (LM)
Execution time
Total execution time=Basic execution time +(Length LM)
Basic execution time for all other operands
Length multiplier (LM) for all other operands
Basic execution time (constant length)
Basic execution time (variable length)
Length multiplier 1 (LM1)
Length multiplier 2 (LM2)
Basic execution time
Length multiplier (LM) (local output)
Length multiplier (LM) (expansion output)
Basic execution time
Length multiplier (LM)
S7-200 Programmable Controller System Manual
S7-200 CPU
(in µs)
52
2.5
49
1.7
42
0.6
52
2.5
49
1.7
5
27
0.9
29
0
0.37
17
30
76
84
1.6
4
18
22
32
30
1525
1800
43
0.7
A5E00066097-02