Program Example - Mitsubishi Electric FX3U-232-BD User Manual

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

10.1.3 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
3S
instead.
E-120
FNC271
K0
IVDR
FNC271
K0
IVDR
FNC274
K0
*2
IVBWR
, FX and FX PLC does not support the IVBWR instruction. Use the IVWR instruction
3G 3GC
10 Practical Program Examples (FX3S, FX3G, FX3GC, FX3U, FX3UC)
SET M10
The write
instruction is
driven
H0FD H9696 K1
H0FB H0 *1 K1
FNC 12
K1 D200
MOV P
FNC 12
K12000 D201
MOV P
FNC 12
K2 D202
MOV P
FNC 12
K500 D203
MOV P
FNC 12
K7 D204
MOV P
FNC 12
K10 D205
MOV P
FNC 12
K8 D206
MOV P
FNC 12
K10 D207
MOV P
K4 D200 K1
RST M10
Driving of
write
instruction
10.1 Practical Example 1
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)