Remote Operation 12-17
RS-232 interface reference
Sending and receiving data
The RS-232 interface transfers data using seven or eight data bits and one stop bit. Parity
selections include none, odd or even.
RS-232 settings
The procedure to select and configure the RS-232 interface is provided in “Selecting and
Configuring an Interface” located at the beginning of this section. Make sure the controller you
connect to Model 6514 also uses these settings.
NOTE You can break data transmissions by sending a ^C or ^X character string to Model
6514. This clears any pending operation and discards any pending output.
Baud rate
The baud rate is the rate at which Model 6514 and the programming terminal communicate.
You can choose from one of the following rates: 57.6k, 38.4k, 19.2k, 9600, 4800, 2400, 1200,
600 or 300.
Make sure that the programming terminal that you are connecting to Model 6514 can support
the baud rate you selected. Both Model 6514 and the other device must be configured for the
same baud rate.
Data and stop bits
The RS-232 can be set to transfer data using seven or eight data bits and one stop bit.
Parity
Parity for the RS-232 interface can be set to none, even or odd.
Terminator
Model 6514 can be configured to terminate each program message that it transmits to the con-
troller with any of the following combinations of <CR> and <LF>:
•LF line feed
•CR carriage return
• LFCR line feed, carriage return
• CRLF carriage return, line feed
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