525
FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
20 Positioning Control – FNC150 to FNC159
11
FN
C30-
FN
C39
R
o
ta
tion and
Sh
ift
12
FNC
4
0
-FNC49
D
a
ta
Op
e
ra
tio
n
13
FNC5
0
-FNC5
9
H
igh Speed
Pr
ocessi
ng
14
FM
C6
0
-F
NC6
9
H
and
y
In
st
ru
cti
o
n
15
FNC7
0
-FNC7
9
Ex
te
rn
a
l F
X
I
/O
D
evi
ce
16
FNC8
0
-FNC8
9
Ext
e
rnal
FX
D
evi
ce
17
F
N
C1
00
-F
NC
10
9
Da
ta
Tr
ansf
e
r 2
18
FN
C
110-FN
C
13
9
Fl
oat
ing P
o
in
t
19
FN
C
140-FN
C
149
Da
ta
O
per
at
io
n
2
20
FN
C
15
0-F
N
C
159
P
o
si
tioni
ng
C
ont
ro
l
20. Positioning Control – FNC150 to FNC159
FNC150 to FNC159 provide positioning instructions using the pulse output function built in PLCs.
→
For the details, refer to the Positioning Control Edition.
Caution on write during RUN
Avoid write during RUN while an either positioning control instruction (FNC150, FNC151, or FNC156 to
FNC159) is executed (that is, while pulses are output).
If write during RUN is executed to a circuit block including a target instruction below while pulses are output,
the PLC executes the operation shown below.
*1.
Supported in Ver.2.00 or later
FNC No.
Mnemonic
Symbol
Function
Reference
150
DSZR
DOG Search Zero Return
Section
20.1
151
DVIT
Interrupt Positioning
Section
20.2
152
TBL
Batch Data Positioning Mode
Section
20.3
153
−
−
154
−
−
155
ABS
Absolute Current Value Read
Section
20.4
156
ZRN
Zero Return
Section
20.5
157
PLSV
Variable Speed Pulse Output
Section
20.6
158
DRVI
Drive to Increment
Section
20.7
159
DRVA
Drive to Absolute
Section
20.8
Target instruction
PLC operation when write during RUN is executed while instruction
is executed
DSZR (FNC150)
Decelerates and stops pulse output.
DVIT (FNC151)
TBL (FNC152)
Disables write during RUN.
ZRN (FNC156)
Decelerates and stops pulse output.
PLSV (FNC157)
During operation with
acceleration/deceleration
*1
Decelerates and stops pulse output.
During operation without
acceleration/deceleration
Immediately stops pulse output.
DRVI (FNC158)
DRVA (FNC159)
Decelerates and stops pulse output.
D2
DSZR
D1
S2
S1
D2
DVIT
D1
S2
S1
n
TBL
D
D2
D1
ABS
S
D
S3
ZRN
S2
S1
PLSV
D1 D2
S
DRVI
D1 D2
S2
S1
DRVA
D1 D2
S2
S1
Содержание FX3U Series
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