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iDP-3420/3421/3423 User’s Manual
46 CITIZEN
10
1010
10.
..
.S
SS
SE
EE
ER
RR
RI
II
IA
AA
AL
L L
L I
II
IN
NN
NT
TT
TE
EE
ER
RR
RF
FF
FAC
ACAC
ACE
EE
E
10
1010
10.
..
.1
11
1S
SS
Sp
pp
pe
ee
ec
cc
ci
ii
if
ff
fi
ii
ic
cc
ca
aa
at
tt
ti
ii
io
oo
on
nn
ns
ss
s
(1) Synchronous system: Asynchronous
(2) Baud rate: 150, 300, 600, 1200, 2400, 4800, 9600, or 19200 bps (User selectable)
(3) Configuration of one word
·
Start bit : 1 bit
·
Data bits : 7 or 8 bits (User selectable)
·
Parity bit : Odd, even, or none (User selectable)
·
Stop bit : 1 bit or more
(4) Signal polarity
RS-232C
·
Mark = Logic "1" (-3 V to -12 V)
·
Space = Logic "0" (+3 V to +12 V)
(5) Received data (RXD signal)
RS-232C
·
Mark = 1
·
Space = 0
(6) Reception control (DTR signal)
RS-232C
·
Mark : Data transfer disabled
·
Space : Data transfer enabled