Mitsubishi FX3U-232-BD User Manual page 372

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 R U \G
S
1
S
2
S
3
n
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
E-82
Digit Specification
S S
1 2
FNC273
K6 K7
IVWR
S S
1
FNC273
K6 K2201
IVWR
Inverter station
number: 0 to 31
FNC273
K6 K201
IVWR
FNC273
K6 K1201
IVWR
M8029
Execution complete flag
9.7 Inverter Parameter Writing (PLC → Inverter) [FNC273 / IVWR]
Word Devices
Special
System/User
Unit
S n
3
D160 K1
Value written to inverter
Inverter parameter number (decimal)
→ For second parameter specification code, refer to Section 9.9.
SET M0
S n
2 3
H1 K1
Value written to inverter
Inverter parameter number (decimal)
H14 K1
H100 K1
RST M0
9 Creating Programs (for FX3U and FX3UC PLCs)
Con- Real
Index
stant Number
V Z Modify K H
Communication channel K1:ch1
K2:ch2
Motor rotation direction: Forward
Communication channel K1:ch1
Frequency: 20Hz
Time: 1:00
The unit is specified by Pr. 200.
is
S
3
Others
Charac-
Pointer
ter String
E " " P