4 Keysight Signal Generators Programming Guide
Getting Started with Remote Operation
IO Libraries and Programming Languages
IO Libraries and Programming Languages
The IO libraries is a collection of functions used by a programming language to send instrument
commands and receive instrument data. Before you can communicate and control the signal
generator, you must have an IO library installed on your computer. The Keysight IO libraries are
included on an Automation- Ready CD with your signal generator and Keysight GPIB interface board,
RS- 232
b
(ESG/PSG/E8663B
Only)
RS- 232 is an older method used to communicate with a single instrument; its primary
use is to control printers and external disk drives, and connect to a modem.
Communication over RS- 232 is much slower than with GPIB, USB, or LAN because data
is sent and received one bit at a time. It also requires that certain parameters, such as
baud rate, be matched on both the computer and signal generator.
CAUTION For long strings of commands and waveform downloads, upgrading to
Keysight IO Libraries 15.0 and above can decrease RS- 232 performance,
potentially resulting in an Error –310.
NOTE Because GPIB, LAN, and USB offer better communication performance,
Keysight recommends that RS- 232 only be used for interactive sessions or
short commands.
For more information on configuring the signal generator to communicate over the
RS- 232, refer to
“Using RS–232 (ESG and PSG Only)” on page 61.
USB
(Keysight MXG
Only)
• The rear panel Mini- B 5 pin connector is a device USB and can be used to connect
a controller for remote operation.
• The Type- A front panel connector is a host USB and can be used to connect a
mouse, a keyboard, or a USB 1.1/2.0 flash drive.
USB 2.0’s 64 MBps communication speed is faster than GPIB (for data transfers, >1 KB)
or RS- 232. (For additional information, refer to the Keysight SICL or VISA User’s
Guide.) But, the latency for small transfers is longer.
For more information on connecting the signal generator to the USB, refer to the
“Keysight IO Libraries Suite” on page 5 and the Keysight Connection Expert in the
Keysight IO Libraries Help.
For more information on configuring the signal generator to communicate over the USB,
refer to
“Using USB (Keysight MXG)” on page 69.
a
LXI Class B Compliance testing using IEEE 1588-2008 not available at release.
b
The ESG and PSG’s AUXILIARY INTERFACE connector is compatible with ANSI/EIA232 (RS-232) serial connection but GPIB and LAN are
recommended for making faster measurements and when downloading files. Refer to
“Using RS–232 (ESG and PSG Only)” on
page 61
and the User’s Guide.
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