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Part Identification 4 - N; Part Identification - Mitsubishi Electric MELSEC-A Series User Manual

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4. A2CCPU
4.9
Part Identification
MELSEC·A
I
(1)
External view of A2C
[QJ
STOP
B~LQ
L-CLR~RUN
RESET
RESET
A2e CPU
(1) -
(2)
(3)
_CJ
POWER
hUTSUBlSHl
o
RUN
0,
-SDA
(4)
CJ ERROR
--oj
(5)
oso
01
-SG
(6)
ORD
--oj
o
l -508
--;
o
l -RDA
I-C_;
(7)
PULL D-
O
I -ROB
--oj
o
l
-SlD
--;
,
~---,
,
o
l
-ERR(+)
(9)
-
-;
"
0
"
01
-ERR(-}
:
~---~
:
:
::'~\:
--;
(8)
: ' 0
"
: :
0
1
"
"
" "
::
- - -t
INPUT
[
: : " 0 : :
o
l
~100/2(l(N
n
~
:
!!
--;
: : "
D
: :
o
l"
: : " 0 : :
__ -l
SHORT AC100V
i::: n
u,
D
: :
o
I
~EN AC200J
lf~i~;j
--;
o
l
-LG
--;
1O1
0,
-FG
res
~
0
No.
Name
Function
(1)
RUN key switch
A2C operation status setting key
I
• RUN/STOP:
To start/stop running a sequence program
• RESET:
To reset the hardware
To reset an error occurring during operation to initialize operation.
• LATCH CLEAR:
To clear (turning OFF, or clearing to "0") the devices in the latch range and
non-latch range which are set by parameters.
For the latch clear operation procedure, refer to Section 4.2.2.
(2)
POWER LED
5V DC power supply indicator LED
I
• ON:
100/200 VAC is supplied to the A2C and converted into 5 VDC correctly.
• OFF:
100/200 VAC is not supplied to the A2C.
Supplied 100/200 VAC is not converted into 5 VDC correctly.
4-77

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