Introduction to Programming 2
Keysight Models 6811C, 6812C, and 6813C Programming Guide 33
RS-232 Programming Example
The following program illustrates how to program the ac source using RS-232 to
set the output voltage and frequency and to read back the model number and
output voltage.
' Program to write and read via RS232
' Configure serial port (e.g. COM1) for:
' Bits per second: select 9600 baud (or desired baudrate)
' Start bits: select 1
' Data bits: select 8
' Stop bits: select 2
' Parity: select None
' Flow control: select None
' Send line feed [Enter]
' Reserve 1000 character buffer for serial I/O
'
' Ensure identical baud and parity settings on ac source
(Default - Baudrate: 9600, Parity: None)
'
' Send SCPI commands
*RST ' Resets the ac source
VOLT 60 ' Set voltage to 60 volts
FREQ 50 ' Set frequency to 50 hertz
OUTPUT ON ' Turn on the output
*IDN? ' Query the ac source identification string
[Wait for response]
MEAS:VOLT:AC? ' Query the ac source voltage
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