User manual

RIGOL Chapter 1 Programming Overview
1-2 DP700 Programming Guide
To Build Remote Communication
DP700 series power supply can communicate with the PC via the RS232 interface. This section will illustrate
how to use the Ultra Sigma software to remotely control the power supply via the RS232 interface.
Note: The RS232 protocol command ends with "\n" for the DP700 series.
Operation Procedures:
1. Install Ultra Sigma
You can download Ultra Sigma from the official website of RIGOL (
www.rigol.com) and install the
software according to the installation wizard.
2. Connect the power supply to the PC
Connect the power supply to the PC by using the 9-pin RS232 cable (female-to-female,
straight-through) via the RS232 interface on the rear panel (as shown in the figure below). Then,
connect to power and power on the power supply.
120V 250Vac
220V T2.5A
240V 250Vac
Figure 1-1 DP700 Communication Interface
3. Set the parameters for the RS232 interface
Press System, and then press the Left/Right arrow key or use the knob to select the "Inter." tab. Then,
you can set the parameters for the RS232 interface according to the help information displayed at the
bottom of DP700 interface or descriptions in
DP700 User's Guide .
4. Add the device resource
Start Ultra Sigma, and then click "RS232". A window is displayed as shown in Figure (a).
(a)
In the "RS232 Setting" tab, set Baud Rate, Parity, Data Bits, and Stop Bit that match the current
parameters of the RS232 interface of DP700 (Note: You must select "None" under the "Flow Control"
option, and select "\n" under the "End Mark" option). After completing the settings, click "TEST". If the
test succeeds, a dialog box, as shown in Figure (b), is displayed.
(b)
RS232 Interface