Mitsubishi FX3U-USB-BD User Manual page 395

FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
3. Controlling operations of an inverter
X000
Operation stop
command input
X001
Forward
rotation
command
input
X002
Reverse rotation
command input
M15
Operation
stop
M8002
Initial pulse
FNC228
LD<>
M12
Driving of
write
instruction
X000
Operation stop
command input
X001 X002
Forward Reverse
rotation rotation
command command
input input
X002 X001
Reverse Forward
rotation rotation
command command
input input
K2M20 D81
Operation
command is
withdrawn
FNC180
EXTR
M8029
Instruction execute
complete
8 Practical Program Examples (for FX2N and FX2NC PLCs)
SET M15
Operation
stop
RST M15
Operation
stop
M21
Forward
rotation
command
M22
Reverse
rotation
command
FNC 12
K2M20 D81
MOV
Operation
command is
withdrawn
SET M12
Driving of
write
instruction
K11 K0 H0FA K2M20
RST M12
Driving of
write
instruction
8.2 Practical Example 2
H0FA is set to "00H"
Operation stop is reset
by input X001 or X002
b1 of H0FA is set to ON
b2 of H0FA is set to ON
Changes in the
operation commands
(M28 to M20) are
detected
Operation commands
are written
M27 to M20→H0FA
E-81
A
B
C
D
E
F
G
H
I
Apx.