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30 Applied Instructions (External Device Communication)
30.4 IVWR / Inverter Parameter Write
716
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
30.4 IVWR / Inverter Parameter Write
Outline
This instruction writes a parameter of an inverter using the computer link operation function of the inverter.
This instruction corresponds to the EXTR (K13) instruction in the FX
2N and FX2NC series PLCs.
→ For detailed explanation of the instruction, refer to the Data Communication Edition manual.
1. Format and operation, execution form
2. Set data
*1. "ch2" is not available for use for the FX3S and FX3G (14-point and 24-point type) PLCs.
3. Applicable devices
S: Refer to "Cautions".
FX3U(C) FX3G(C) FX3S FX2N(C) FX1N(C) FX1S FXU/FX2C FX0N FX0(S)
Instruction
name
Operation
Execution
form
Expression in each language
Structured ladder/FBD ST
IVWR 16 bits Continuous IVWR(EN,s1,s2,s3,n);
Variable Description Data type
Input
variable
EN Execution condition Bit
Inverter station number ANY16
Inverter parameter number ANY16
Set value to be written to the inverter parameter or device storing the data
to be set
ANY16
Channel to be used (K1:ch1,K2:ch2
*1
)
ANY16
Output
variable
ENO Execution state Bit
Operand
type
Bit Devices Word Devices Others
System user Digit specification
System
user
Special
unit
Index
Cons
tant
Real
Number
Character
String
Pointer
XYMTCS
D
.b
KnX KnY KnM KnS T C D R
U\G
VZModifierKH E
"
"
P
z
S1 S2
zzz
z
S1 S2
zzz
z
S1 S2
zzz
zz
IVWR
EN ENO
s1
s2
s3
n