78 Keysight B2980B User’s Guide, Edition 1
Installation
Using Digital I/O and Trigger In/Out
Using Digital I/O and Trigger In/Out
B2980 has a Digital I/O connector, D-sub 9 pin female, for general purpose
input/output (GPIO). It can be used for the following inputs and outputs.
• Trigger input
• Trigger output
• Digital signal input/output
• Digital signal input
• Start of Test (SOT) input (for component handlers)
• Busy status output (for component handlers)
• End of Test (EOT) output (for component handlers)
The pin assignment of the Digital I/O connector is shown in Table 2-1. Pins DIO 1
to DIO 7 can be assigned to one of the above functions. To set the DIO functions,
press the System Menu > I/O > DIO > Config function keys. For details, see “DIO
Configuration Dialog Box” on page 194.
B2980 also has the Trigger In and the Trigger Out BNC connectors used for the
trigger input/output. They are used to perform the operation synchronized with an
external equipment. The BNC connectors are useful for making the connection
easier than the Digital I/O connector.
• Connect a BNC cable between the Trigger In connector and a trigger output
BNC connector on an external equipment to receive a trigger signal from it.
• Connect a BNC cable between the Trigger Out connector and a trigger input
BNC connector on the external equipment to send a trigger signal to it.
Figure 2-5 shows the input/output circuits internally connected to each pin of the
Digital I/O connector and the Trigger In/Out connector.
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