Inverter Parameter Writing (PlcInverter) [Fnc273 / Ivwr] - Mitsubishi Electric FX3U-232-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
9.7 Inverter Parameter Writing (PLCInverter) [FNC273 / IVWR]
This instruction writes a value from the PLC to a parameter in an inverter.
9.7.1 Function and operation
When a parameter number in an inverter is specified in IVWR (FNC273) instruction, the value of
written to the specified item in the inverter.
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
S
1
S
2
S
3
n
1: Only available for FX

 2: Only available for FX
2. Program example
M0
Command
contact
Inverter station number: 0 to 31
9.7.2 Inverter instruction codes
Refer to related data shown later.
9.7.3 Program example of "second parameter specification code"
In the program example shown below, data is written from the PLC to the parameters (frequency: 201, time:
1201, motor rotation direction: 2201) in the A500 inverter.
X001
Write
command
M0
Drive
contact
M8029
Execution complete flag
E-108
Digit Specification
, FX , FX
3G 3GC 3U
and FX
3U 3UC
S S
 
1 2
FNC273
K6 K7
IVWR
For second parameter specification code, refer to Section 9.9.
S S

1 2
FNC273
K6 K2201
IVWR
Inverter station
number: 0 to 31
FNC273
K6 K201
IVWR
FNC273
K6 K1201
IVWR
9 Creating Programs (FX3S, FX3G, FX3GC, FX3U, FX3UC)
Word Devices
Special
System/User
Unit
R U\G V Z Modify K H
 1 2
 1 2
 1 2
and FX PLCs.
3UC
PLCs.
S n

3
D160 K1
Value written to inverter
Inverter parameter number (decimal)
SET M0
S n
 
3
Motor rotation direction: Forward
H1 K1
Value written to inverter
Inverter parameter number (decimal)
Frequency: 20Hz
H14 K1
Time: 1:00
H100 K1
The unit is specified by Pr. 200.
RST M0
9.7 Inverter Parameter Writing (PLC  Inverter) [FNC273 / IVWR]
Con- Real
Index
stant Number
E
  
  
  
 
Communication channel K1:ch1
K2:ch2
Communication channel K1:ch1
is
S
3
Others
Charac-
Pointer
ter String
"" P