Mitsubishi FX3U-232-BD User Manual page 386

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
E-96
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withdrawn
FNC271
IVDR
M8029
Instruction execute
complete
10 Practical Program Examples (for FX3U and FX3UC 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withdrawn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
K0 H0FA K2M20 K1
RST M12
Driving of write
instruction
10.2 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
(M27 to M20) are
detected
Operation commands
are written.
M27 to M20→H0FA