3-12 Basic Source-Measure Operation 2400 Series SourceMeter
®
User’s Manual
WARNING Even with the voltage protection limit set to the lowest value, NEVER
touch anything connected to the terminals of the SourceMeter when
the OUTPUT is ON. Always assume that a hazardous voltage (>30V
rms) is present when the OUTPUT is ON.
To prevent damage to DUT (devices under test) or external circuitry,
DO NOT program the V-Source to levels that exceed the voltage pro-
tection limit.
Use caution when floating the SourceMeter >30V rms.
Front panel V-source protection
To program V-source protection from the front panel:
1. Press CONFIG then SOURCE V.
2. Select PROTECTION from the displayed choices, then press ENTER.
3. Select the desired protection value, then press ENTER.
4. Press EXIT to return to normal display.
Remote command V-source protection
Use the :SOURce:VOLTage:PROTection command to program the V-source protection
value via remote. See Section 18, “Set voltage limit,” for details. For example, the follow-
ing command sets the protection value for the Model 2400 or 2410 to 20V:
:SOUR:VOLT:PROT 20
Source delay
NOTE For the Model 2430 Pulse Mode, source delay is not used. The following infor-
mation assumes that the Model 2430 is in the DC Mode of operation (“Vpls” or
“Ipls” displayed). To select the DC Mode, press CONFIG and then SOURCE V
or I, select SHAPE from the available menu items, and then select DC.
The source delay options are used to set the settling time for the source. This source delay
is the delay phase of the Source-Delay-Measure (SDM) cycle. See Section 6. The auto
delay option is used to automatically set the delay. The delay period is range dependent
(Table 3-4).
The delay option is used to manually set the delay from 000.00000 seconds to 9999.99900
seconds. Manually setting the delay disables auto delay.
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