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Model 8020-ILC-UNT
Keithley Instruments
28775 Aurora Road
Unterminated Interlock Cable
Cleveland, Ohio 44139
1-800-935-5595
http://www.keithley.com
Description
The Keithley Instruments Model 8020-ILC-UNT Unterminated Interlock Cable is used for connecting to the
INTERLOCK OUT connector on the Model 8020 for use as a system interlock. The unterminated end of the
cable connects to a normally-open switch at device under test (DUT) access point. For information where to
connect this cable, refer to the Model 8020 High Power Interface Panel User's Manual.
Figure 1: Model 8020-ILC-UNT interlock to unterminated cable
Dimensions and pinouts
Figure 2: Model 8020-ILC-UNT dimensions and pinouts
071327300 / October 2014 *071327300* 1
Model 8020-ILC-UNT
Safety interlock usage
Any SMU capable generating more than 42 V requires the use of the safety interlock. A properly configured
safety interlock disables power from the source-measure units (SMUs) when the cover or door of a test
enclosure for the device under test (DUT) is opened. Power is enabled when the cover or door is closed.
A user-supplied switch is required for the safety interlock. The normally-open switch must be used on a test
fixture, on the enclosure of a semiconductor prober or device handler, on the doors of a test-equipment rack, or
to any access point at the device under test at which the user could be exposed to hazardous voltages.
The switch must be installed as follows: