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MZS500
6.
R232C
INTERFACE
6-1. General specification
Input/output
format
No of
channels
Code used
Baud
rate
Transmission
system
Synchronization
method
Communication control
procedure
Data
format
LSI
used
RS-232C
bit
serial
input/output
1
channel
JIS
7-channel/JIS
8
channel
110 to
9600
bits/sec
Half-duplex
Start-stop
Non-procedure
Stop
bif
1/1.5/2,
with
or
without
even
or odd
parity.
8251
AC
or8253C-5
(Programmable
interval Timer)
6-2. Data transmission
format
2°
2
1
2
2
2
3
2
4
2
5
2
6
7-bit,
with
parity
v
„ _
i
\
j
v__^___/
Start
bit
Data
bit (7
bits)
Parity
bit
Stop
bit (1 or 2
bits)
7-bit,
without
parity
V
XV X V X '
Start
bit
Data
bit (7
bits)
Stop
bit
8-bit
with parity
V
•
w
•
'
V
^ ^ _
Start
bit
Data
bit (8
bits) Parity
bit
Stop
bit (1 or 2
bits)
8-bit,
without
parity
v
,
Tr
y Y
Start
bit
Data
bit (8
bits)
Stop
bit (1 or 2 bit
Example:
7-bits,
even
parity,
1
stop
bit
Start
bit
Stop
bit of
preceding
data
7-bit
data
(26H)
Parity
bit
Start
bit of
succeeding
data
Stop
bit
-
7)
-