791
FX
3G
/FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
35 SFC Program and Step Ladder
35.2 Step Ladder
31
FNC276
-F
NC2
79
Da
ta
Trans
fer 3
32
FNC28
0-F
NC
289
H
igh-Speed
Process
ing 2
33
FNC2
90-
FNC299
Ex
tensi
on Fi
le
Register
34
FN
C300-
FNC30
5
FX
3U
-C
F-
AD
P
35
SFC
•STL
Programming
36
Interrupt
Function
37
Sp
ec
ia
l D
evi
ce
38
E
rror Code
A
Ve
rsi
on U
p
Inform
ati
on
B
Ex
ecuti
on
T
imes
35.2.6 Program with state relays in branches and recombination
1. Example of selective branch
Do not use MPS, MRD, MPP, ANB and ORB instructions in a transfer processing program with branches and
recombination.
Even in a load driving circuit, MPS instructions cannot be used immediately after STL instructions.
In the same way as programs for general state relays, program the drive processing first, and then program the
transfer processing.
Continuously program all transfer processing.
STL
OUT
LD
SET
LD
SET
LD
SET
21
20
1
X001
X000
Y000
STL
S20
SET
S21
S20
Y000
X000
S21
X001
S31
X002
S41
Y000
TRAN
31
2
TRAN
41
3
TRAN
SET
S31
X002
SET
S41
Drive
processing
Transfer
processing
X000
X001
X002
<Step ladder>
<List program>
<SFC program>
Содержание FX3G SERIES
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