3-24 Basic Source-Measure Operation 2400 Series SourceMeter
®
User’s Manual
CAUTION If using the I-Source to charge and/or discharge batteries, the following
precautions must be observed. Failure to observe these precautions
could result in damage to the SourceMeter that is not covered by the
warranty.
Make sure the external voltage NEVER exceeds the voltage compli-
ance setting of the I-Source. This will cause excessive current to be
drawn from the external battery or source.
Make sure the output off state of the I-Source is set for HIGH-
IMPEDANCE. This setting opens the output relay when the OUTPUT
is turned OFF. With the NORMAL output off state selected, turning
the output off sets voltage compliance to zero. This 0V compliance
condition will cause excessive current to be drawn from the external
battery or source. See Section 13, “Front panel output configuration,”
to select the high-impedance output off state.
Sink programming example
Table 3-8 lists a command sequence to program the SourceMeter for sink operation. These
commands set up the unit as follows:
• Source function: volts
• Measure function: current
• Source voltage: 0V
• Measure range: auto
• Compliance (discharge current): 100mA
Table 3-8
Sink programming example
Command Description
*RST
:SOUR:FUNC VOLT
:SOUR:VOLT:MODE FIXED
:SENS:FUNC “CURR”
:SENS:CURR:RANG:AUTO ON
:SENS:CURR:PROT 100E-3
:OUTP ON
:READ?
Restore GPIB defaults.
V-source function.
Fixed source mode.
Current measure function.
Auto measure range.
100mA compliance (discharge current).
Turn on output.
Trigger and acquire reading.
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