Refer to the "Grading and binning resistors" topic in the Model DMM7510 reference manual.
In this section:
Introduction ............................................................................... 8-1
Instrument connections ............................................................ 8-2
Resistor grading and binning test ............................................. 8-2
Introduction
This application example demonstrates how to use the Model DMM7510 to perform benchtop binning
operations. It uses the trigger model and digital I/O to control external component-handling devices.
The Model DMM7510 can do simple pass-or-fail testing and grading and sorting. Grading is
commonly done for resistors and inspects multiple limits until the first failure is received. Sorting is
also commonly done for resistors and inspects multiple limits until the first pass is received.
To prevent electric shock, test connections must be configured such that the user cannot
come in contact with test leads or any device under test (DUT) that is in contact with the
conductors. It is good practice to disconnect DUTs from the instrument before powering the
instrument. Safe installation requires proper shields, barriers, and grounding to prevent
contact with test leads.
There is no internal connection between protective earth (safety ground) and the LO
terminals of the Model DMM7510. Therefore, hazardous voltages (more than 30 V
rms
) can
appear on LO terminals. This can occur when the instrument is operating in any mode. To
prevent hazardous voltage from appearing on the LO terminals, connect the LO terminal to
protective earth if your application allows it. You can connect the LO terminal to the chassis
ground terminal on the front panel or the chassis ground screw terminal on the rear panel.
Note that the front-panel terminals are isolated from the rear-panel terminals. Therefore, if
you are using the front-panel terminals, ground to the front-panel LO terminal. If using the
rear-panel terminals, ground to the rear panel LO terminal.
Section 8
Grading and binning resistors
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