E-71
FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
7 Creating Programs (for FX2N and FX2NC PLCs)
7.6 Inverter Parameter Writing Instruction (PLC
→
Inverter) [EXTR K13]
A
Common Items
B
N:N Network
C
Parallel Link
D
Computer Link
E
Inverter
Communication
F
Non-Protocol
Communication
(RS/RS2 Instruction)
G
Non-Protocol
Communication
(FX
2N
-232IF)
H
Programming
Communication
I
Remote
Maintenance
Apx.
Discontinued
models
7.6 Inverter Parameter Writing Instruction (PLC→Inverter) [EXTR K13]
This instruction writes a value from the PLC to a parameter in an inverter.
7.6.1 Function and operation
When a parameter number in an inverter is specified in EXTR instruction, the value of is written to the
specified item in the inverter.
1. Applicable devices
2. Program example
7.6.2 Inverter parameter number
Refer to related data shown later.
7.6.3 Program example of "second parameter specification code"
In the program example shown below, data is written from the PLC to parameter number 201 (frequency:
201, time: 1201, motor rotation direction: 2201) in the A500 inverter.
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
S
3
S
S
1
S
2
S
3
M0
FNC180
EXTR
K13 K6 K7 D160
S S
1
S
2
S
3
Command
contact
Function number: K13
Inverter station number: 0 to 31
Value written to inverter
Inverter parameter number (decimal)
M0
FNC180
EXTR
K13 K6 K2201 H1
S S
1
S
2
S
3
Drive
contact
Function
number: K13
Inverter station number:
0 to 31
Value written to inverter
Inverter parameter number (decimal)
FNC180
EXTR
K13 K6 K201 H14
FNC180
EXTR
K13 K6 K1201 H100
M8029
RST M0
Execution complete flag
Motor rotation direction: Forward
Frequency: 20Hz
Time: 1:00
The unit is specified by Pr. 200.
X001
SET M0
Write
command
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