207
Auxiliary Area and CIO Area in Serial Gateway Mode Section 6-3
Note The port settings in the Setup Area allocated in the DM Area are stored. If the
Board/Unit is operating on default settings due to a System Setup error the
default settings will be stored.
1905 1915 n+5 n+15 12 to 15 Port setting
status
System set-
tings
Serial communications mode: Always 9
hex (See note.)
08 to 11 Baud rate (See note.)
05 to 07 Reserved
04 Start bits: Always 0
03 Data length (See note.)
02 Stop bits (See note.)
01 Parity: Yes/No (See note.)
00 Parity: Even/Odd (See note.)
Words Bit Contents
Board
(CS Series
only)
Unit
(CS/CJ Series)
Port 1Port 2Port 1Port 2
CIO
1906
CIO
1916
n+6 n+16 15 Port set-
ting sta-
tus
Hard-
ware set-
tings
0No 0RS-
232C
1RS-
422A/
485
1Reserved
14 0 1 0 1
13 0: Terminating resistance OFF
1: Terminating resistance ON
02 to 12 Reserved
01 1: System Setup error; 0: System Setup normal
00 1: Port operating
CIO
1907
CIO
1917
n+7 n+17 11 to 15 Commu-
nications
status
Reserved
10 1: Remote Unit busy receiving (Flow control)
0: Remote Unit ready to receive
09 Reserved
08 1: Local Unit busy receiving (flow control)
0: Local Unit ready to receive
07 Transmis-
sion con-
trol signal
status
DTR (ER) signal
06 DSR (DR) signal
05 Reserved
04 CTS (CS) signal
03 RTS (RS) signal
00 to 02 Reserved
Words Bit Contents
Board
(CS Series
only)
Unit
(CS/CJ Series)
Port 1 Port 2 Port 1 Port 2
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