Program Example - Mitsubishi FX3U-USB-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
Inverter Communication

10.2.3 Program example

1. Writing parameters to an inverter while the PLC is in RUN mode
M8002
Initial pulse
M10
Driving of
write
instruction
M8029
Instruction execute
complete
*1. When using an E500 Series inverter, use "H2" to specify computer link operation.
*2. The FX
3G
FNC271
K0 H0FD
IVDR
FNC271
K0 H0FB
IVDR
FNC 12
MOV
FNC 12
MOV
FNC 12
MOV
FNC 12
MOV
FNC 12
MOV
FNC 12
MOV
FNC 12
MOV
FNC 12
MOV
FNC274
K0
*2
IVBWR
PLC does not support the IVBWR instruction. Use the IVWR instruction instead.
10 Practical Program Examples (for FX3G/FX3U/FX3UC PLCs)
SET M10
The write
instruction
is driven
H9696 K1
*1
H0 K1
K1 D200
P
K12000 D201
P
K2 D202
P
K500 D203
P
K7 D204
P
K10 D205
P
K8 D206
P
K10 D207
P
K4 D200 K1
RST M10
Driving of
write
instruction
10.2 Practical Example 2
The inverter is reset
Computer link operation
is specified
The maximum
frequency (Pr. 1) is
specified
The maximum
frequency (Pr. 1) is
set to "120 Hz"
The minimum
frequency (Pr. 2) is
specified
The minimum
frequency (Pr. 2) is
set to "5 Hz"
The acceleration time
(Pr. 7) is specified
The acceleration time
(Pr. 7) is set to "1 sec"
The deceleration time
(Pr. 8) is specified
The deceleration time
(Pr. 8) is set to "1 sec"
The parameters are written
all at once
D200 to D207
(Pr. 1, Pr. 2, Pr. 7 and Pr. 8)
A
B
C
D
E
F
G
H
I
Apx.
E-107