Specifications

Execution Times for STL Instructions
F-5
S7-200 Programmable Controller System Manual
C79000-G7076-C233-01
Table F-4 Execution Times for the STL Instructions (in µs)
Instruction
S7-200 CPU
(in µs)
Description
FILL Total = Basic time + (LM) < (Length)
Basic execution time (constant length)
Basic execution time (variable length)
Length multiplier (LM)
156
165
7
FND <, =, >, <> Total = Basic time + (LM) < (Length)
Basic execution time
Length multiplier (LM)
224
12
FOR Total = Basic time + (LM) < (Number of repetitions)
Basic execution time
Loop multiplier (LM)
73
72
HDEF Basic execution time 35
HSC Basic execution time 37
HTA Total = Basic time + (LM) < (Length)
Basic execution time (constant length)
Basic execution time (variable length)
Length multiplier (LM)
175
184
11
IBCD Basic execution time 114
INCB Basic execution time 29
INCD Basic execution time 42
INCW Basic execution time 37
INT Typical execution time with 1 interrupt 47
INVB Basic execution time 31
INVD Basic execution time 42
INVW Basic execution time 38
JMP Basic execution time 0.9
LBL Basic execution time 0.37
LD Basic execution time: I
L
SM, T, C, V, S, Q, M
SM0.0
0.37
10.9
1.1
0.37
LDB <=, =, >=, >, <, <> Basic execution time 35
LDD <=, =, >=, >, <, <> Basic execution time 52
LDI Basic execution time: Local input
Expansion input
26
34
LDN Basic execution time: I
L
SM, T, C, V, S, Q, M
0.37
10.9
1.1
LDNI Basic execution time: Local input
Expansion input
26
34
LDR<=, =, >=, >, <, <> Basic execution time 55
LDS Basic execution time 0.37