Keithley 2000-SCAN-20 Plug-In
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Model:
2000-SCAN-20
Datum:
2003
Categorie:
Groep:
Omschrijving:
Scanner Card
Informatie
The Model 2000-SCAN-20 is a scanner card designed to be installed in the Model 2000-20
Multimeter. (The Model 2000-SCAN-20 is not designed for the Models 2000 or 2010
Multimeters.)
Key features include:
• Twenty channels of 2-pole relay input.
• Channels configurable for 4-pole operation.
• Multiplex one of twenty 2-pole or one of ten 4-pole channels into a Model 2000-20 Multimeter.
Handleidingen type:
Service-en gebruikershandleiding
Pagina’s:
81
Grootte:
1,008.39 Kbytes (1032590 Bytes)
Taal:
english
Herziening:
C
Handleidingen-ID:
2000-20-901-01
Datum:
2003 07 01
Kwaliteit:
Elektronisch document, geen scan, zeer goed leesbaar.
Upload datum:
2020 07 23
MD5:
5e900cc0d892d9a88e150b0cf2542576
Downloads:
382
Informatie
General Information
Introduction ...
1-2
Features ...
1-2
Manual addenda ...
1-3
Safety symbols and terms ...
1-3
Specifications ...
1-3
Unpacking and inspection ...
1-3
Inspection for damage ...
1-3
Handling precautions ...
1-4
Shipment contents ...
1-4
Instruction manual ...
1-4
Repacking for shipment ...
1-4
Optional Accessories ...
1-5
Card Connections and Installation
Introduction ... 2-2
Handling precautions ... 2-2
Connections ... 2-3
Connection precautions ... 2-3
Card configuration ... 2-4
Card connectors ... 2-5
Typical connecting schemes ... 2-8
Voltage connections ... 2-8
Resistance connections ... 2-9
Current measurements ... 2-11
Card installation and removal ... 2-14
Scanner card installation ... 2-14
Output connections to multimeter ... 2-16
Scanner card removal ... 2-17
Operation
Introduction ... 3-2
Signal limitations ... 3-2
Relay input signal limitations ... 3-2
Scanner card detection ... 3-3
Power-up detection ... 3-3
Scanner option bus query ... 3-3
Model 2000-20 multimeter front panel scanner controls and
SCPI scanner commands ... 3-4
Closing channels ... 3-4
Opening channels ... 3-5
Selecting measurement function ... 3-5
Configuring scan parameters ... 3-6
SCPI scanner commands ... 3-8
Typical applications ... 3-9
Resistor testing ... 3-9
Current measurements ... 3-11
Measurement considerations ... 3-12
Path isolation ... 3-12
Magnetic fields ... 3-13
Electromagnetic interference (EMI) ... 3-13
Ground loops ... 3-14
Keeping connectors clean ... 3-15
4
Service Information
Introduction ... 4-2
Handling and cleaning precautions ... 4-2
Handling precautions ... 4-2
Soldering precautions ... 4-3
Performance verification ... 4-3
Environmental conditions ... 4-3
Recommended equipment ... 4-4
Path resistance tests ... 4-4
Contact potential tests ... 4-6
Isolation tests ... 4-7
Special handling of static-sensitive devices ... 4-10
Principles of operation ... 4-10
Block diagram ... 4-10
Relay control ... 4-11
Switching circuits ... 4-11
Power-on safeguard ... 4-11
Replaceable Parts
Introduction ...
5-2
Parts list ...
5-2
Ordering information ...
5-2
Factory service ...
5-2
Component layout and schematic diagram ...
5-3
Specifications