Series 2230G Triple-Channel Power Supplies User's Manual
Section 2: Quick reference
2230G-900-01 Rev. A / June 2018
2-9
If you switch to the front-panel control, all remote commands sent through the USB interface will be
invalid. If you want to continue to use the remote commands, you need to send the
SYSTem:REMote
command or restart the USB interface using the VISA software.
RS-232 interface
You can connect a computer to your Series 2230G RS-232 port using a cable with two COM
connectors.
Please ensure the computer and power supply have the same configuration for the following items:
•
Baud rate: 4800, 9600, 19200, 38400, 57600, or 115200.You can enter the system menu to set
the baud rate.
•
Data bit: 8
•
Stop bit: 1
•
Parity bit: (none, even, odd)
none: 8 data bits that have no parity
even: 8 data bits that have even parity
odd: 8 data bits that have odd parity
For example:
Parity = None
Start bit
8 data bits
Stop bit
To use the RS-232 interface:
1. Make sure the connection from the Series 2230G to the computer is firmly inserted in the port.
2. Press the
Menu
key.
3. Use the arrow keys to select
User settings
.
4. Press
Enter
. The screen displays
Output Recall
.
5. Press the down arrow keys to select
Communication Port
.
6. Press
Enter
.
7. Use the arrow keys to select
RS232
.
8. Select the baud rate from the following options:
4800
9600
19200
38400
57600
115200
9. Select the parity from the following the options:
None
Even
Odd
10. Press
Enter
to confirm your selection.