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729
FX
3G
/FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
30 External Device Communication (Inverter Communication) – FNC270 to FNC274
30.2 FNC271 – IVDR / Inverter Drive
21
FN
C
160-
FN
C
169
R
eal T
im
e C
lo
ck
C
ont
ro
l
22
FN
C
170-
FN
C
179
Exter
nal D
ev
ice
23
FN
C
180
Al
ter
nate
In
str
uc
tions
24
FN
C
181-
FN
C
189
O
ther
s
25
FN
C
190-
FN
C
199
B
lock D
ata
O
per
at
ion
26
FN
C
200
-F
N
C
20
9
C
har
acter
S
tring
C
ont
ro
l
27
FN
C
210-
FN
C
219
Da
ta
O
per
ation 3
28
FN
C
220-
FN
C
249
Da
ta
C
om
par
ison
29
FN
C
250
-F
N
C
26
9
D
ata T
abl
e
O
per
ati
on
30
FN
C
270-
FN
C
274
Ex
-D
ev
ice
Inv
ert
er
Com
m
s
30.2
FNC271 – IVDR / Inverter Drive
Outline
This instruction writes a inverter operation required control value to an inverter using the computer link
operation function of the inverter.
This instruction corresponds to the EXTR (K11) instruction in the FX
2N
/FX
2NC
Series.
→
For detailed explanation of the instruction, refer to the Data Communication Edition manual.
1. Instruction format
2. Set data
*1.
Ch2 is not available in 14-point and 24-point type FX
3G
PLCs.
3. Applicable devices
S
: This function is supported only in FX
3U
/FX
3UC
PLCs.
Explanation of function and operation
→
For detailed explanation of the instruction, refer to the Data Communication Edition manual.
1. 16-bit operation (IVDR)
The control value specified in
is written to the instruction code
*1
specified in
of an inverter
connected to a communication port n whose station number is specified in
.
*1.
Refer to the instruction code list shown on the next page.
Refer to the pages in the inverter manual on which the computer link function is explained in detail.
Operand Type
Description
Data Type
Inverter station number (K0 to K31)
16-bit binary
Inverter instruction code (shown on the next page)
Set value to be written to the inverter parameter or device number storing the
data to be set
n
Channel to be used (K1: ch 1, K2: ch 2)
*1
Oper-
and
Type
Bit Devices
Word Devices
Others
System User
Digit Specification
System User
Special
Unit
Index
Con-
stant
Real
Number
Charac-
ter String
Pointer
X Y M T C S D
.b KnX KnY KnM KnS T C D R U
\G
V Z Modify K H
E
"
"
P
3 3
S
3
3 3
3 3
S
3
3 3
3
3
3
3
3 3
S
3
n
3 3
FNC 271
IVDR
Mnemonic
Operation Condition
16-bit Instruction
9 steps
IVDR
Mnemonic
Operation Condition
Continuous
Operation
32-bit Instruction
⎯
⎯
⎯
S
1
S
2
S
3
S
1
S
2
S
3
S
3
S
2
S
1
FNC271
IVDR
S
1
S
2
S3
n
Command
input