EZ Digital OS-3060D Dokumentacja Strona 93

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® SG
® RST
® RXD
®
cr
s
(2) RS-232C inte rface signals arc as follows:
<D
FG Ground configuration
Chassis ground cable
@TXD Data tran smission
Data output signal transmission
+9V level - - - - - "0" (space)
- 9V level
--
- - -
"I
" (mark)
Data recepti
on
Dat
a
input
signal reception
Transmission request
Th is output signal indica
tes
the transmission
request state, and is used to control the data
transmission function at modem transmission
pan
.
"0" (space) - carrier
tran
smissi
on
request
" I" (mark) - carrier stop request
Transmission p
erm
ission
This
input signal controls
modem
t
ran
smissi
on
part,
and
is in an
ind
ication state when modem t
ran
smission
part is allowed to transmit.
Signal grou nd
Signal ground cable
4-4. Connection
C
onnec
t the i
nstrument
to per
sona
l computer using RS-232C interface
cable. Interface varies depe nding on personal computer type.
So read
operation manual carefully before connecting it to personal computer,
and select pr
oper
interface cable. Fig 4-2
sho
ws the RS-232C interface
cab
le wiring used for connecting GoldStar Precisi
on
Co., LId's pers
onal
computer B-I6 with the instrument.
FG
TXD
RXD
RTS
CTS
SG
1
0
1
0
1 1
I
2
0
rO
2
I
3 0
0
3
4 0
0
4
5 0
0
5
7 0
0
7
FG
TXO
RXD
RTS
CTS
SG
Fig. 4-2. RS-
232
C INTERFACE CABLE
WI
RING
93
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