Mitsubishi A1SJH(S8) User Manual page 108

8. LOADING AND INSTALLATION
(1)
AC system
Power supply
Transformer
Fuse
CPU module
M9006
M9039
XM
M9084
Start
Program
switch
RA1
Stop
MC
Input unit
switch
RA2
Output unit
Ym
Y n
Output unit
MC
MC 2
MC 1
Y1
The procedures used to switch on the power supply are indicated below.
AC system
1) Switch the power supply ON.
2) Set the CPU module to RUN.
3) Switch the start switch ON.
4) The output equipments are driven in accordance with
the program when the magnetic contactor (MC) comes
ON.
System design circuit example
DC power supply
established signal
input
Start/stop circuit
Can be started
by turning ON of
Ym
RA1, which is the
Y
n
programmable
controller's RUN
Y1
output.
MC
XM
Output for warning
(lamp or buzzer)
L
Turned ON in RUN
status by M9039
RA1
MC
Switches the power
supply to output devices
OFF when the system
stops:
MC1 At emergency stops
at stops on reaching a
limit
MC2
Interlock circuit
Constructs external
RA2
interlock circuits for
opposing operations such
as forward and reverse
rotation, and parts that
could cause machine
damage or accidents.
AC/DC system
Power supply
Transformer
Fuse
CPU module
M9006
Ym
M9039
Yn
XM
TM
TM
M9084
TM
N0 M10
MC1
N 0 M10
Start
Program
switch
RA1
MC
MC
Stop
switch
Input unit
RA2
Output unit
Ym
Yn
RA1
Output unit
MC2
MC1
MC1
MC2
AC/DC system
1) Switch the power supply ON.
2) Set the CPU module to RUN.
3) Switch RA2 ON when the DC power supply starts.
4) Set the timer (TM) to "ON" upon 100% establishment of DC power
supply.
(Set value for TM shall be the period from RA2 turned "ON" to 100%
establishment of DC power supply. Make this set value 0.5 seconds.)
5) Switch the start switch ON.
6) The output equipments are driven in accordance with the program
when the magnetic contactor (MC) comes ON.
(When a voltage relay is used for RA2, the timer in the program (TM) is
not necessary.)
8 - 3
DC power
supply
( - )( + )
Fuse
The setting for TM
is the time taken
to establish the
DC input signal.
Voltage relay
recommended
RA2
XM
Output for warning
(lamp or buzzer)
L
Turned ON in RUN
status by M9039
MC MC
Switches the power
supply to output
devices OFF when
the system stops:
At emergency stops
at stops on reaching
a limit