Omron SYSMAC CS1W-SCB41-V1 Operation Manual page 62

Sysmac cs series; sysmac cj series. serial communications boards and serial communications units
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Specifications
No-protocol Specifications
Item
Communications
Full-duplex
mode
Baud rate
RS-232C port and RS-422A/485 ports:
1,200/2,400/4,800/9,600/19,200/38,400/57,600 bps
Default setting: 9,600 bps
Messages (commu-
Set either of the following types in the Setup Area in the allo-
nications frame
cation DM Area.
structure)
1. Data only (without start code and end code)
2. Start code + data
3. Data + end code
4. Start code + data + end code
5. Data + CR + LF
6. Start code + data +CR + LF
Set in allocated DM Area
(The start code can be included by setting it to between 00
and FF hex, and the end code can be included by setting it to
between 00 and FF hex. To exclude the end code, set the
number of receive data bytes.)
Start code
End code
Number of receive
data bytes during
reception
Sending messages
• Serial Communications Board: TXD(236) instruction
• Serial Communications Unit: TXDU(256) instruction
Receiving messages • Serial Communications Board: RXD(235) instruction
• Serial Communications Unit: RXDU(255) instruction
Maximum message
Sending and receiving: Up to 259 bytes including the start
length
code and end code (up to 256 bytes excluding start/end
codes)
Data conversion
No conversion
Communications
None
protocol
Message delay time
When the TXD(236) or TXDU(256) instruction is executed,
after the send delay time, the data is sent from the port.
0 to 300 s (0 to 300,000 ms)
(Can be set in 10-ms units depending on the DM Area set-
tings)
Receive counter
The number of data bytes (0 to 256) received at the port can
be counted.
Reception buffer
The reception buffer is cleared immediately after executing the
clear timing
RXD(235)/RXDU(255) instruction
Section 1-6
Description
None or 00 to FF hex
None, 00 to FF hex, or CR + LF
Set the number of receive data bytes
between 1 and 256 bytes (according to
the DM Area settings) when frame struc-
ture 1 or 2 above is used.
33

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