Fnc272 - Ivrd / Inverter Parameter Read - Mitsubishi Electric MELSEC FX3U Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
30.3 FNC272 – 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
→ For detailed explanation of the instruction, refer to the Data Communication Edition manual.
1. Instruction format
FNC 272
IVRD
2. Set data
Operand Type
S
1
S
2
D
n
*1. Ch2 is not available in 14-point and 24-point type FX
3. Applicable devices
Bit Devices
Oper-
and System User
Type
X Y M T C S D .b KnX KnY KnM KnS T C D R U \G
S
1
S
2
D
n
: This function is supported only in FX
Explanation of function and operation
→ For detailed explanation of the instruction, refer to the Data Communication Edition manual.
1. 16-bit operation (IVRD)
The value of the parameter
station number is
Command
input
FNC272
IVRD
Mnemonic
16-bit Instruction
IVRD
9 steps
⎯
Inverter station number (K0 to K31)
Inverter parameter number
Device number storing the read value
Channel to be used (K1: ch 1, K2: ch 2)
Digit Specification
/FX
3U
is read from an inverter connected to a communication port n whose
S
2
, and output to
S D
1
S D
S
1 2
30 External Device Communication (Inverter Communication) – FNC270 to FNC274
30.3 FNC272 – IVRD / Inverter Parameter Read
/FX
2N
Operation Condition
32-bit Instruction
Continuous
Operation
Description
*1
PLCs.
3G
Word Devices
Special
System User
Unit
V Z Modify K H
PLCs.
3UC
.
n
Series.
2NC
Mnemonic Operation Condition
⎯
⎯
Data Type
16-bit binary
Others
Con- Real Charac-
Index
stant Number ter String
E " "
21
22
23
24
25
Pointer
26
P
27
28
29
30
731