Model 2601B-PULSE System SourceMeter Instrument Reference Manual Section 17: Frequently asked questions
2601B-PULSE-901-01A April 2020 17-7
How can I change the line frequency or voltage?
The 2601B-PULSE requires a line voltage of 100 V AC to 240 V AC (±10%) and a line frequency of
50 Hz or 60 Hz. The factory configures the 2601B-PULSE to automatically detect and operate at the
appropriate power line frequency each time the instrument power is turned on. In noisy environments,
it may be necessary to manually configure the instrument to match the actual line frequency. For
more information, see Line frequency configuration (on page 2-11).
Where can I get the LabVIEW driver?
The latest NI
TM
LabVIEW
TM
driver is available
What should I do if I get an 802 interlock error?
You will receive error code 802, "OUTPUT blocked by interlock," if you:
• Disengage the interlock when the 2601B-PULSE output is already on.
• Attempt to turn on the 2601B-PULSE output when the interlock is disengaged.
• Have smua.interlock.enable set to smua.ENABLE with the interlock jumper in the
2601B-P-INT installed incorrectly. Refer to Installing the 2601B-P-INT (on page 2-6) for
information.
• Have smua.interlock.enable set to smua.ENABLE but do not have the 2601B-P-INT
installed. Refer to Installing the 2601B-P-INT (on page 2-6) for information.
To recover from this error, properly engage the interlock using a safe test fixture, and then turn on the
2601B-PULSE output.
Why is the reading value 9.91e37?
This value indicates that there is a measurement overflow error. This error occurs when:
• A measurement performed on a fixed range has a measured value greater than the
specified range
• The measured value is larger than the maximum current or voltage range of the instrument
(exceeds the instrument rating)
If the instrument displays the overflow message on a particular range, select a higher range until an
on-range reading is displayed. To ensure the best accuracy and resolution, use the lowest range
possible that does not cause an overflow.
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