Table Of Contents - Keithley 7710 User Manual

Keithley Instruments, Inc.
28775 Aurora Road
Cleveland, Ohio 44139
(440) 248-0400
Fax: (440) 248-6168
www.keithley.com
Introduction
NOTE
The Model 7710 is a 20-channel differential multiplexer card with the following features:
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WARNING Before operating the Model 27xx with an accessory card, verify that the card is
properly installed and the mounting screws are tightly fastened. If the mount-
ing screws are not properly connected, an electrical shock hazard may be
present.
Topics
Operating instructions...............................................................................................
Card configuration ....................................................................................................
Fast scanning ..........................................................................................................
Fast scan using 7710 module with Model 2701 mainframe .....................................
Operating considerations........................................................................................
Low-ohms measurements ......................................................................................
Voltage measurements ..........................................................................................
Insertion loss ..........................................................................................................
Crosstalk.................................................................................................................
Additional errors for 27xx switch systems ..............................................................
Heat sink temperature measurements ...................................................................
Card handling precautions......................................................................................
Card connections....................................................................................................
Wiring procedure ....................................................................................................
Typical connections ................................................................................................
Connection log........................................................................................................
Calibration ..............................................................................................................
Specifications ......................................................................................
The Model 7710 will operate properly when installed in one of the following
Model 27xx instruments:
Model 2700 - Equipped with B05 (or later) firmware
Model 2701 - Equipped with A01 (or later) firmware
Model 2750 - Equipped with A04 (or later) firmware
Fast actuating, long life solid state relays.
DC and AC voltage measurement.
2-wire or 4-wire measurements (automatically pairs relays for four wire measurements -
n + 10).
Temperature applications (RTD, thermistor, thermocouple).
Built-in cold junction reference for TC temperature.
Plug-in screw terminal connections.
Model 7710 Multiplexer Card
end of User s Guide
User's Guide
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PA-847 Rev. B / 8-03