2400 Series SourceMeter
®
User’s Manual Digital I/O Port, Safety Interlock, and Output Configuration 13-7
Front panel output configuration
The output is configured from the CONFIGURE OUTPUT menu and is structured as fol-
lows. Note that bullets indicate the primary items of the sweep menu, while dashes indi-
cate options. Use Section 1, “Rules to navigate menus,” to check and/or change operate
options.
Configure OUTPUT menu
Press CONFIG and then ON/OFF OUTPUT to display the menu. Figure 13-5 shows the
overall menu structure.
NOTE For the Model 2430 Pulse Mode, INTERLOCK is the only menu item that is dis-
played. For the Pulse Mode, the output-off state is always set to NORMAL, and
auto output-off is always enabled.
• INTERLOCK — Use to ENABLE or DISABLE the interlock line of the Digital
output. This line is used as an interlock for a test fixture. See “Digital I/O port,”
page 13-2.
• OFF STATE — Use to select the OFF state of the output. See “Output-off states,”
page 13-8, for details.
– HIGH IMPEDANCE — When the OUTPUT is turned OFF, the output relay
opens. This disconnects external circuitry from the input/output of the
SourceMeter.
– NORMAL — When the OUTPUT is turned off, the V-Source is selected and
set to 0V. Current compliance is set to 0.5% full scale of the present current
range.
– ZERO — When the V-Source OUTPUT is turned off, the V-Source is set to
0V and current compliance is not changed. When the I-Source OUTPUT is
turned off, the V-Source mode is selected and set to 0V. Current compliance is
set to the programmed Source I value or to 0.5% full scale of the present cur-
rent range, whichever is greater. Measurements are performed and displayed
while the OUTPUT is off.
– GUARD — When OUTPUT is turned OFF, the current source is selected and
set to 0A. Voltage compliance is set to 0.5% full scale of the present voltage
range.
• AUTO OFF — Use to ENABLE or DISABLE auto output off. When enabled, the
OUTPUT will turn off after the measurement phase of every SDM cycle. The
OUTPUT turns back on at the beginning of the next SDM cycle. When disabled,
the OUTPUT stays on as long as the SourceMeter is operating within the trigger
model (ARM annunciator on). With the OUTPUT enabled, pressing the ON/OFF
key will disable the OUTPUT and disable auto output off.
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