26
English
SERIAL IN terminal connection
The SERIAL terminal conforms to the RS-232C interface
specification, so that the Display can be controlled by a
computer which is connected to this terminal.
Note
●
Additional computer and cables shown are not
supplied with this set.
D-sub 9p
(Female)
(Male)
RS-232C Straight cable (commercially available)
PC
Note
●
Select the RS-232C straight cable for communication
used for connecting SERIAL terminal and computer
according to the computer you are using.
Pin assignments and signal names for SERIAL
Terminal
6
7
8
9
1
3 4
5
2
Pin No.
Signal Name
NC (not connected)
RXD
TXD
Non use
GND (Ground)
Non use
RTS
Shorted in this set
CTS
NC (not connected)
These signal names are those of computer
specifications.
Communication parameters
Signal level: RS-232C compliant
Synchronization method: Asynchronous
Baud rate: 9 600 bps
Parity: None
Character length: 8 bits
Stop bit: 1 bit
Flow control: None
Basic format for control data
The transmission of control data from the computer
starts with a STX signal, followed by the command, the
parameters, and lastly an ETX signal in that order. Add
parameters as required according to control details.
STX C1 C2 C3
P1 P2 P3 P4
:
P5
ETX
Start
3-character command
(3 bytes)
Colon
Parameter(s)
End
