Mitsubishi Electric A1 S64TCTT User Manual page 3

Melsec-a series
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[DESIGN PRECAUTIONS]
r
0
DANGER
0 C o n s t r d a saieb, clrcult ex!ernal to the PC to assure Sale opmtlon o'the srj:8111 main
,n't even
there
IS
a prob em with t l e external p w e r suqjly or
If
tne PC maln unlt
IS
clamaged
i l l
The oLltputs
tc exteval devices concu-ted by the olJtput state set'lngs when the
s u f h e n t c a u x n $#tier, m a m g settl-gs
settlngs rncde trlat coritrols Ihe ex:ernal
cutwts
ape as
iollows
Please exerclse
State
i"hen
a -
error
ued s w h as a
'h'nen an error
ttla! stops the PC
CPU c a l x l a t i o n
ccc?Irs
When
6
PC CPU
error o c c m
Wherl a- error
cccdrs
111
whlcn
the PC CPcl con-
tlnL.es t c ca1cua:e
When the PC CPU
changes from PUN to STOP
When there
IS
a
remoie
,O
pflhen Installed In the remote
ib0
statlon:
statlon IPnk error
Descriptlon of Processlng
1
Address 1En) Senings While In the
Output State (Suffer Memory
Setting Mode
'rWeri a wrlte errcr occurs n the 3uffer
qier.iory address uata. calcl.llat cn
1s
contl-ued
wlt-
the aata befcre the
w i e an3 ths
s
cutput exwnally
Caicuiatlon
I S
StoDpec and
external output
IS
tu-ned OFF
Ca1cuIa:lon ' s
s t c p p e 3 a n d
external outpu!
s
turnecl
OFF
The srare
llnnle
dlately prlor to
the
1 s
maintalned and
PC CPU's STOP
T-e state lmme-
dlaielv pr'or to the
:alned a l d output
,Ink down
1 s
n a l m
externally
121 Whec :he outpu: element or the lnte'nal clrcull
IS
damaged there ma) be t i n e s
when normal ou'p'..t camo: be periormed or when e'ror output
IS
conducted
So please construct an external monltor ng clrc8A to deterrnm
l i
an output
Slqnal could
ead
tc a semus o'ob em
A - 2

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