Siemens SIMATIC S7-200 System Manual page 517

Instruction
SLEN
SLW Time = Base + (LM + N)
Base
Length multiplier (LM))
N is the shift count
SPA
SQRT
SRB Time = Base + (LM + N)
Base
Length multiplier (LM))
N is the shift count
SRD Time = Base + (LM + N)
Base
Length multiplier (LM))
N is the shift count
SRW Time = Base + (LM + N)
Base
Length multiplier (LM))
N is the shift count
SSCPY Time = Base + (LM ∗ N)
Base
Length multiplier (LM)
N is the number of copied characters
STD Time = Base + (LM ∗ N)
Base (for 1st source character)
Length multiplier (LM)
N is the number of additional source
characters
STI Time = Base + (LM ∗ N)
Base (for 1st source character)
Length multiplier (LM)
N is the number of additional source
characters
Execution Times for STL Instructions
Instruction
µs
21 STOP Power flow not present
STR Time = Base + (LM ∗ N)
27 Base (for 1st source character)
0.6 Length multiplier (LM)
N is the number of additional source
characters
371
SWAP
460 Typ
TAN
550 Max
TODR
22
0.6
TODRX
Daylight Saving Time correction
TODW
28
1.5
TODWX
TOF
TON
27
1
TONR
TRUNC
42
WDR
5.3
XMT
XORB
69
27
XORD
XORW
58
27
Appendix F
µs
4
51
81
17
1080 Typ
1300 Max
331
391 Typ
783 Typ
436
554
36
33
32
53 Typ
106 Max
7
42
19
29
25
503