Keithley 2280 Series Reference Manual

Series 2280 Precision DC Power Supply Reference Manual Section 3: Functions and features
077085503 / March 2019 3-23
+5 V line
The digital I/O port provides a +5 V output. You can use this line to drive external logic circuitry. The
maximum current output for this line is 500 mA (≥ 4.6 V).
Configuring digital I/O lines
You can use front panel or a remote interface to set up and control the digital I/O lines. See Remote
communications interfaces (on page 2-44) for information on setting up a remote interface.
Using the front panel to configure digital I/O lines
Using the front panel to configure digital I/O lines:
1. Press the MENU key.
2. Under Trigger, select Digital In/Out.
3. Select the button next to the specified digital I/O line. The line mode window is displayed.
4. Select the mode for the specified digital I/O line. For details, see the following table.
Digital I/O line
Supported line mode
1
Trigger In, Output HI, Output LO, and Manual In
2
Meter Out, Output HI, Output LO, and Manual In
3
Fault Out, Output HI, Output LO, and Manual In
4
Output HI, Output LO, and Manual In
5
Output HI, Output LO, and Manual In
6
Output HI, Output LO, and Manual In
When you set the arm source or trigger source to external, digital I/O line 1 will be set to Trigger In
automatically.

Keithley 2280 Series Specifications

General

Brand	Keithley
Model	2280 Series
Category	Power Supply
Language	English