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30 Applied Instructions (External Device Communication)
30.3 IVRD / Inverter Parameter Read
714
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
30.3 IVRD / Inverter Parameter Read
Outline
This instruction reads an inverter parameter to the PLC using the computer link operation function of the
inverter.
This instruction corresponds to the EXTR (K12) 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
IVRD 16 bits Continuous IVRD(EN,s1,s2,n,d);
Variable Description Data type
Input
variable
EN Execution condition Bit
Inverter station number ANY16
Inverter parameter number ANY16
Channel to be used (K1:ch1,K2:ch2
*1
)
ANY16
Output
variable
ENO Execution state Bit
Device storing the read value ANY16
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
V Z Modifier K H E
""
P
z
S1 S2
zzz
z
S1 S2
zzz
zz
z
S1 S2
z
IVRD
EN ENO
d
s1
s2
n