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30 Applied Instructions (External Device Communication)
30.6 IVMC / Inverter Multi Command
721
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
21
Applied Instructions
(Real Time
Clock Control)
22
Applied Instructions
(External Device)
23
Applied Instructions
(Extension
Function)
24
Applied Instructions
(Others)
25
Applied Instructions
(Block Data
Operation)
26
Applied Instructions
(Character
String Control)
27
Applied Instructions
(Data Operation 3)
28
Applied Instructions
(Data Comparison)
29
Applied Instructions
(Data Table
Operation)
30
Applied Instructions
(External Device
Communication)
30.6 IVMC / Inverter Multi Command
Outline
This instruction writes 2 types of settings (operation command and set frequency) to the inverter, and reads
2 types of data (inverter status monitor, output frequency, etc.) from the inverter at the same time.
→ 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
IVMC 16 bits Continuous IVMC(EN,s1,s2,s3,n,d);
Variable Description Data type
Input variable
EN Execution condition Bit
Inverter station number (K0 to K31) ANY16
Multiple instructions for inverter: Send/receive data type specification ANY16
Head device which stores data to be written to the inverter
(Occupies 2 points.)
ARRAY[0..1]
OF ANY16
Channel to be used (K1: ch1, K2: ch2
*1
)
ANY16
Output
variable
ENO Execution state Bit
Head device which stores values to be read from the inverter
(Occupies 2 points.)
ARRAY[0..1]
OF 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
VZModifierKH E
"
"
P
z
S1 S2
zzz
z
S1 S2
zzz
z S1
S2
z
zz
z
S1 S2
z
IVMC
EN ENO
d
s1
s2
s3
n