Rigol DL3021 User Manual

Chapter 3 Remote Control RIGOL
DL3000 User’s Guide 3-11
Remote Control via RS232
1. Connect the load to the PC
Use the 9-pin RS232 cable (female-to-female, cross-over) to connect the load
with the PC via the RS232 interface on the rear panel of the load.
2. Set the parameters for the RS232 interface
Set the parameters of the RS232 interface according to the descriptions in "Set
the parameters for the RS232 interface".
3. Add the device resource
Start Ultra Sigma, and then click
. 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 the instrument (Note:
You must select "None" under the "Flow Control" option, and select "\r\n"
under the "End Mark" option). After that, click "TEST". If the test passes, a
dialog box is displayed, as shown in Figure (b).
(b)
Note: If the test fails, check whether the instrument can communicate with the
PC via the RS232 cable normally, whether the current RS232 settings of the Ultra

Rigol DL3021 Specifications

General

Maximum Power	200 W
Maximum Voltage	150 V
Voltage Resolution	1 mV
Current Resolution	1 mA
Load Modes	CC, CV, CR, CP
Channels	1
Voltage Range	0 to 150 V
Display	4.3 inch TFT LCD
Interfaces	USB Host, USB Device
Voltage Accuracy	±(0.03% + 5 mV)