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CS/CJ/NSJ Series Instructions Reference Manual (W474)
4. Instruction Execution Times and Number of Steps
4-2 CJ1 CPU Unit Instruction Execution Times and Number of Steps
4
4-2-32 Task Control Instructions
*1 The instruction execution time is greatly affected by the amount to data. This will
affect the cycle time. To reduce the effect on the cycle time, background execu-
tion can be specified.
4-2-32 Task Control Instructions
GET STRING
MIDDLE
MID$ 5 56.5 56.5 84.6 93.7 84.0 230.2 Retrieving 1 character
from 3 characters
*1
FIND IN
STRING
FIND$ 4 51.4 51.4 77.5 89.1 96.7 94.1 Searching for 1 char-
acter from 2 charac-
ters
*1
STRING
LENGTH
LEN$ 3 19.8 19.8 28.9 33.8 30.1 33.4 Detecting 1 charac-
ter
*1
REPLACE IN
STRING
RPLC$ 6 175.1 175.1 258.7 300.7 267.7 479.5 Replacing the first of
2 characters with
1 character
*1
DELETE
STRING
DEL$ 5 63.4 63.4 94.2 111.3 99.3 244.6 Deleting the leading
character of 2 charac-
ters
*1
EXCHANGE
STRING
XCHG$ 3 60.6 60.6 87.2 105.2 95.3 99.0 Exchanging 1 charac-
ter with 1 character
*1
CLEAR
STRING
CLR$ 2 23.8 23.8 36.0 42.0 36.8 37.8
Clearing 1 character
*1
INSERT INTO
STRING
INS$ 5 136.5 136.5 200.6 204.0 208.0 428.9 Inserting 1 character
after the first of 2 char-
acters
*1
String Compar-
ison Instruc-
tions
=$ 4 48.5 48.5 69.8 79.9 68.5 86.2 Comparing 1 character
with 1 character
<>$
<$
>$
=$
Instruction Mne-
monic
Length
(steps)
ON execution time (µs) Conditions
CJ1H
CPU6@
H-R
CJ1H
CPU6@
H
CJ1G
CPU4@
H
CJ1M
CPU12/13/
22/23
CJ1M
CPU11/
21
CJ1G
CPU4@
TASK ON TKON 2 6.4 6.4 10.2 11.2 9.55 3.2 Cyclic task speci-
fied
20.6 20.6 30.1 34.6 34.9 --- Extra task speci-
fied
TASK OFF TKOF 2 123.7 123.7 195.8 214.5 183.4 61.3 Cyclic task speci-
fied
23.4 23.4 34.1 39.3 39.6 --- Extra task speci-
fied
Instruction Mne-
monic
Length
(steps)
ON execution time (µs) Conditions
CJ1H
CPU6@
H-R
CJ1H
CPU6@
H
CJ1G
CPU4@
H
CJ1M
CPU12/
13/22/23
CJ1M
CPU11/
21
CJ1G
CPU4@
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