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CJ-series Instruction Execution Times and Number of Steps
Instruction
Mne-
monic
SINGLE
DISTC 566
WORD DIS-
TRIBUTE
DATA COL-
COLL
567
LECT
C
MOVE BIT
MOVB
568
C
BIT
BCNT
621
COUNTER
C
4-2-34 Special Function Block Instructions (CPU Unit Ver. 3.0 or Later
Only)
Instruction
Mne-
monic
GET VARI-
GETID 286
ABLE ID
4-2-35 Number of Function Block Program Steps (CPU Units with Unit
Version 3.0 or Later)
Note
Code
Length
(steps)
CPU6@
(See
H-R
note.)
4
3.4
5.9
4
3.5
8
8.3
2,052.3 2,052.3 2,097.5 ---
4
4.5
4
4.9
1,252.4 1,252.4 1284.4
Code
Length
(steps)
CPU6
(See
@H-R
note.)
4
14
Use the following equation to calculate the number of program steps when
function block definitions have been created and the instances copied into the
user program using CS/CJ-series CPU Units with unit version 3.0 or later.
Number of steps
= Number of instances (Call part size m + I/O parameter transfer part size n
ber of parameters) + Number of instruction steps in the function block definition p
(See note.)
The number of instruction steps in the function block definition (p) will not be
diminished in subsequence instances when the same function block definition
is copied to multiple locations (i.e., for multiple instances). Therefore, in the
above equation, the number of instances is not multiplied by the number of
instruction steps in the function block definition (p).
ON execution time ( s)
CPU6@
CPU4@
CPU4@
H
H
3.4
3.5
---
5.9
7.3
---
3.5
3.85
---
8
9.1
---
8.3
9.6
---
4.5
4.88
---
4.9
5
---
---
ON execution time ( s)
CPU6
CPU4
CPU4
@H
@H
@
14
22.2
---
Section 4-2
Conditions
CJ1M
CJ1M
exclud-
CPU11
ing
/21
CPU11
/21
19
18.1
Data distribute
39.5
38.5
Stack operation
24.9
29.7
Data distribute
22.1
25.3
Stack operation
25.5
31
Stack operation
1 word FIFO
Read
8,310.1 7,821.1 Stack operation
1,000 word FIFO
Read
28.1
22.1
---
30.6
28.8
Counting 1 word
5,814.1 5,223.8 Counting 1,000
words
Conditions
CJ1M
CJ1M
exclud-
CPU11
ing
/21
CPU11/
21
23.4
21.3
Num-
1347
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