7 Applied Instructions
7.24 External Device Communication (Inverter
732
FXCPU Structured Programming Manual
(Basic & Applied Instruction)
7.24 External Device Communication (Inverter Communication)
7.24.1 IVCK
Outline
This instruction reads the operation status of an inverter to a PLC using the computer link operation function
of the inverter. Applicable inverters vary depending on the version.
This instruction corresponds to the EXTR (K10) instruction in the FX
2N and FX2NC series.
→ 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 FX3G PLCs of 14- and 24-point types.
3. Applicable devices
S: Refer to "Cautions".
FX3U(C) FX3G FX2N(C) FX1N(C) FX1S FXU/FX2C FX0N FX0(S)
Instruction
name
Operation
Execution
form
Expression in each language
Structured ladder ST
IVCK 16 bits Continuous IVCK(EN,s1,s2,n,d);
Variable Description Data type
Input
variable
EN Execution condition Bit
Inverter station number ANY16
Inverter instruction code 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
VZModifierK H E
""
P
z
S1 S2
zzz
z
S1 S2
zzz
zzz z
S1 S2
z
zz
IVCK
EN ENO
d
s1
s2
n
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