Mitsubishi FX3U-232-BD User Manual page 370

FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
9.5 Inverter Operation Control Instruction (PLC→Inverter) [FNC271 / IVDR]
This instruction writes a control value required to operate an inverter from the PLC to the inverter.
9.5.1 Function and operation
When an "instruction code" specified for computer link operation in the inverters is specified in the IVDR
(FNC271) instruction, the value specified in
1. 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
S
3
n
2. Program example
M0
Command
contact
Inverter station number: 0 to 31
9.5.2 Inverter instruction codes
The table below shows inverter instruction codes which can be specified in
For the instruction codes, refer to the pages explaining computer link in detail in each inverter manual.
S
2
Inverter Instruction
code (hexadecimal)
HFB
HF3
HF9
HFA
HEE
HED
*1
HFD
HF4
HFC
HFC
*1. The instruction code "HFD (inverter reset)" does not request a response from the inverter.
Accordingly, even if inverter reset is executed to a station number at which an inverter is not
connected, error does not occur.
It takes about 2.2 seconds to complete execution of inverter reset.
*2. When resetting the inverter, please specify H9696 as the operand
Do not use H9966.
E-80
Digit Specification
S S
1 2
FNC271
K6 HFA
IVDR
Write contents
Operation mode
Special monitor selection No.
Run command (extension)
Run command
Set frequency write (EEPROM)
Set frequency write (RAM)
*2
Inverter reset
Alarm definition batch clear
Parameter all clear
User clear
9 Creating Programs (for FX3U and FX3UC PLCs)
9.5 Inverter Operation Control Instruction (PLC → Inverter) [FNC271 / IVDR]
is written to the specified item of the inverter.
S
3
Word Devices
Special
System/User
Unit
S n
3
K2M50 K1
Communication channel K1:ch1
Value written to inverter
Inverter instruction code (hexadecimal)
F700 A700 E700 V500 F500 A500 E500 S500
Others
Con- Real
Index
stant Number
V Z Modify K H E
K2:ch2
.
S
2
Applicable inverter
— — —
—
—
of the IVDR instruction.
S
3
Charac-
Pointer
ter String
" " P
— —
— —
— —