686
FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
30 External Device Communication (Inverter Communication) – FNC270 to FNC274
30.3 FNC272 – IVRD / Inverter Parameter Read
30.3
FNC272 – IVRD / Inverter Parameter Read
Outline
This instruction reads a parameter of an inverter to a PLC using the computer link operation function of the
inverter.
This instruction corresponds to EXTR (K12) instruction in the FX
2N
/FX
2NC
Series.
→
For detailed explanation of the instruction, refer to the Communication Control Manual.
1. Instruction format
2. Set data
3. Applicable devices
Explanation of function and operation
→
For detailed explanation of the instruction, refer to the Communication Control Manual.
1. 16-bit operation (IVRD)
The value of the parameter
is read from an inverter
*1
connected to a communication port n whose
station number is
, and output to
.
*1.
Mitsubishi FREQROL-F700
*3
/A700
*3
/V500/F500/A500/E500/S500
(having the communication function) Series general-purpose inverters
*2.
Mitsubishi FREQROL-F700/A700 Series general-purpose inverters are supported in Ver.2.00 and
later.
Operand Type
Description
Data Type
Station number of an inverter (K0 to K31)
16-bit binary
Parameter number in an inverter
Device number storing the read value
n
Used channel (K1: ch 1, K2: ch 2)
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
3
3
3 3
3 3
3
3
3 3
3 3
3
3
n
3 3
FNC 272
IVRD
Mnemonic
Operation Condition
16-bit Instruction
9 steps
IVRD
Mnemonic
Operation Condition
Continuous
Operation
32-bit Instruction
⎯
⎯
⎯
S
1
S
2
D
S
1
S
2
D
S
2
S
1
D
FNC272
IVRD
S
1
S
2
D
n
Command
input