61
RS-232 Command Reference
This unit supports remote interface communications via RS-232. Using the RS-232 connector to send specific commands to this unit from a
controlling device lets you operate this unit remotely.
* To send and receive RS-232 commands, press the [MENU] button, and from “TALLY/RS-232,” set “RS-232” to “ON.”
RS-232 Interface
RS-232 connector pin layout
Pin assignments
1 2 3 4 5
6 7 8 9
DB-9 type (male)
Pin No.
Signal name
1
N.C.
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
N.C.
Communication standards
Communication method
Synchronous (asynchronous), full-duplex
Communication speed
38,400/115,200 bps
Parity
none
Data length
8 bits
Stop bit
1 bit
Code set
ASCII
Flow control
XON/XOFF
Cable wiring diagram
Use an RS-232 crossover cable to connect this unit and the controller
(an RS-232-compatible computer or other device).
This unit
Control device
N.C.: 1
1:
RXD: 2
2: RXD
TXD: 3
3: TXD
DTR: 4
4:
GND: 5
5: GND
DSR: 6
6:
RTS: 7
7:
CTS: 8
8:
N.C.: 9
9:
(Crossover connection)
* The connections between 4 and 6 and between 7 and 8 are inside this
unit.
Command Format
Commands are formatted using the configuration shown below.
Commands are all in ASCII code.
stx
Command code
:
Parameter
,
Parameter
;
stx
ASCII code “02H” is a control code indicating the start of
a command. “H” indicates that it is a hexadecimal value.
Command
code
This specifies the command type (three single-byte
alphanumeric characters).
Parameter
This is appended to a command that requires one or
more parameter. The command and the parameter
portion are separated by a “ : ” (colon). When there are
multiple parameters, they are each separated by “ , ”
(comma) characters.
;
This is the code that this unit recognizes as the end of
a command.
* The codes of stx (02H), ack (06H), and XON (11H)/ XOFF (13H) are the
control codes.
