Transmission Mode And Communication Parameters - Yamaha RCX40 User Manual

3. Communication specifications
n
NOTE
1) Termination code
• CR (carriage return)
7
Robot transmission:
Adds a CR code (0DH) to the end
of a line.
Robot receive:
Up to a CR code is handled as 1
line.
• CRLF (carriage return + line
feed)
Robot transmit:
Adds a CR code and LF code
(0AH) to the end of a line.
Robot receive:
Up to a CR code is handled as 1
line and LF code is ignored.
2) Refer to "Timing chart" for XON/
XOFF control.
4
7-
3.Connection cable examples
a. Cable capable of hardware busy control
Controller
NC 1
RXD 2
TXD 3
NC 4
GND 5
NC 6
RTS 7
CTS 8
NC 9
b. Cable not using control wires
Controller
NC 1
RXD 2
TXD 3
NC 4
GND 5
NC 6
RTS 7
CTS 8
NC 9
* For signal wire layout on the external device, refer to the instruction manual for that
device.
3.2

Transmission mode and communication parameters

Transmission mode
Synchronous system
Baud rate [bps]
Character length [bit]
Stop bit [bit]
Parity
RTS/CTS control
Termination code
XON/XOFF control
Receive buffer
Transmit buffer
Full duplex
Start-stop synchronization
4800, 9600, 19200, 38400, 57600
7, 8
1, 2
None, even, odd
Yes/No
CR, CRLF
Yes/No
1024 bytes
1024 bytes
External device
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
External device
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS