Figure 1-9 Exercise 5 — Trigger And Return Multiple Readings - Keithley 2701 User Manual

Ethernet-based dmm/data acquisition system
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Model 2701 User's Manual
Figure 1-9
Exercise 5 — Trigger and return multiple readings
Trigger Configuration
Trigger and Return
1. In order to trigger and return multiple readings, the buffer must first be cleared of
readings that were stored by the TRACe command or front panel operation (see
Section 6 for details on buffer operation).
2. INIT triggers the measurements and FETCh? returns the readings. Again sending
FETCh? without first sending INIT will return old readings.
3. READ? performs an INIT to trigger the measurements and then FETCh? to return
the reading(s).
4. Triggered readings are automatically stored in the buffer. Statistics for buffer readings
are also stored in the buffer. CALC2 commands are used to calculate and return
buffer statistics (see Section 6 for details).
INIT:CONT OFF
TRIG:COUN 1
SAMP:COUN x
INIT
FETCh?
Readings
Clear buffer
TRAC:CLE
Place 2701 in non-continuous
trigger state
Set 2701 to perform "x"
number of measurements
(x = 2 to 450000)
Trigger and Return
READ?
OR
Readings
TRAC:DATA?
Return Stored Readings
Getting Started
1
2, 3
4
1-41

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