Name: Keithley 2002
Brand: Keithley
Rating: 4 (1 reviews)

To Next Page

To Previous Page

Trigger model layers

The trigger model has three layers: the Arm Layer, Scan Layer and Measure Layer. For IEEE-

488 bus operation, these layers are known as Arm Layer 1, Arm Layer 2 and the Trigger Layer.

Once the Model 2002 is taken out of idle, operation proceeds through the layers of the trigger

model down to the device action where a measurement occurs.

Control source

In general, each layer contains a control source which holds up operation until the pro-

grammed event occurs. The control sources are described as follows:

• Immediate –Event detection is immediately satisﬁed, allowing operation to continue.

• Manual – Event detection is satisﬁed by pressing the TRIG key.

• GPIB – Event detection is satisﬁed when a bus trigger (GET or *TRG) is received.

• RT-Clock – Event detection in the Arm Layer is satisﬁed when the programmed time and

date occur. (Not available in the Scan Layer and Measure Layer.)

• Timer – Event detection is immediately satisﬁed on the initial pass through the layer.

Each subsequent detection is satisﬁed when the programmed timer interval elapses. (Not

available in the Arm Layer.)

• External – Event detection is satisﬁed when an input trigger via the EXTERNAL TRIG-

GER connector is received.

• TrigLink – Event detection is satisﬁed when an input trigger via the TRIGGER LINK is

received.

• Hold – With this selection, event detection is not satisﬁed by any of the above con-

trol source events and operation is held up.

2-12 Measurement Options

Other manuals for Keithley 2002

Questions and Answers:

Need help?

Do you have a question about the Keithley 2002 and is the answer not in the manual?

General