Mitsubishi Electric A173UHCPU User Manual page 78

Motion controller
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2. DESIGN
Using AC
Power supply
Transformer
Fuse
M9006
M9039
XM
Program
Start switch
Stop switch
RA1
MC
RA1
Output module
Ym
Yn
Output module
MC
MC2
MC1
Procedure to start up the power supply.
AC
(1) Set the CPU to RUN.
(2) Turn on the power supply.
(3) Turn on the start switch.
(4) Output equipment driven by program when the
electromagnetic contactor (MC) turns on.
(c) Sample system circuit designs
CPU
Ym
DC power supply
established signal input
Yn
START/STOP circuit
M9084
(Starting possible when the
PC RUN output RA1 is ON.)
MC
Input module
XM
Alarm output
(lamp or buzzer)
L
RA1 switched ON by M9039
RA1
MC
Turns output equipment
power off when STOP
occurs
(on emergency stop, on
stop at upper limit)
MC1
MC2
(Interlock circuits for mutually
exclusive operations such as
forward/reverse and parts
which can cause damage to
or destruction of machine.)
Using AC and DC
Power supply
Transformer
Fuse
CPU
M9006
M9039
XM
TM
M9084
TM
MC1 NO M10
M10
Program
Start switch
RA1
Stop switch
MC
RA2
Output module
Ym
Yn
Output module
MC2
MC1
AC and DC
(1) Set the CPU to RUN.
(2) Turn on the power supply.
(3) Turn ON RA2 when DC power supply is
established.
(4) Turn on timer (TM) when the DC power supply is
100% established. (Set TM set value to the time
from RA2 turning ON until the DC power supply
is 100% established. The set time should be
approximately 0.5 s.)
(5) Turn on the start switch.
(6) Output equipment driven by program when the
electromagnetic contactor (MC) turns on.
(When a voltage relay is used as RA2, the timer
(TM) in the program is not needed.)
2 − 9
Transformer
Fuse
DC power
Ym
supply
(-)
(+)
Yn
Set TM to time
Fuse
to establish
TM
DC input signal
MC
A voltage relay
is recommended
RA2
Input module
XM
Alarm output
(lamp or buzzer)
L
RA1 switched
ON by M9039
RA1
MC
MC
Turns output
equipment
power off when
STOP occurs
MC1
(on emergency
stop, on stop at
MC2
upper limit)

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