E-58
FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
7 Creating Programs (for FX2N and FX2NC PLCs)
7.4 Inverter Operation Control Instruction (PLC
→
Inverter) [EXTR K11]
7.4 Inverter Operation Control Instruction (PLC→Inverter) [EXTR K11]
This instruction writes a control value required to operate an inverter from the PLC to the inverter.
7.4.1 Function and operation
When an "instruction code" specified for computer link operation in inverters is specified in EXTR instruction,
a value specified in is written to the specified item in the inverter.
1. Applicable devices
2. Program example
7.4.2 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.
*1. The instruction code "HFD (inverter reset)" does not request response from the inverter. Accordingly,
even if inverter reset is executed to a station number in which an inverter is not connected, error does
not occur.
It takes about 2.2 seconds to complete execution of inverter reset.
Operand
type
Bit device Word device Others
System/User Digit specification
System/
User
Index Constant Pointer
X Y M T C S KnX KnY KnM KnS T C D V Z Modification K H P



   
Inverter instruction
code (hexadecimal)
Read contents
Applicable inverter
A500 E500 S500
HFB Operation mode 
HF3 Special monitor selection No.  ——
HFA Run command 
HEE Set frequency write (EEPROM) 
HED Set frequency write (RAM) 
HFD
*1
Inverter reset 
HF4 Alarm definition batch clear 
HFC Parameter all clear 
HFC User clear  ——
S
3
S
S
1
S
2
S
3
M0
FNC180
EXTR
K11 K6 HFA K2M50
S S
1
îš‚
S
2
îš‚
S
3
îš‚
Command
contact
Function number: K11
Inverter station number: 0 to 31
Inverter instruction code (hexadecimal)
Value written to inverter
S
2
S
2
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