Keithley 7999-3 Interface
Manufacturer:
Model:
7999-3
Date:
0
Category:
Group:
Description:
Multiplexer Card

Information

The Model 7999-3 is a single-pole multiplexer card with the following features: • 10 channels of independent 1-pole switching • One channel of 2:1 multiplexer 1-pole switching • Two channels of 4:1 multiplexer 1-pole switching • External relay control and +24V DC power connections • 96-pin male DIN connector for card connections • LED indicator shows the status of each relay

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Service and User Manual
Manual type:
Service and User Manual
Pages:
41
Size:
510.00 Kbytes (522240 Bytes)
Language:
english
Revision:
A
Manual ID:
7999-3-901-01
Date:
Quality:
Electronic document, no scan, very well readable.
Upload date:
02 March 2014
MD5:
4aa0a7b72724f8cff982835fc1b47d50
Downloads:
366

Information

1 General Information Introduction ... 1-2 Feature overview ... 1-2 Warranty information ... 1-2 Manual addenda ... 1-2 Safety symbols and terms ... 1-3 Specifications ... 1-3 Unpacking and inspection ... 1-3 Inspecting for damage ... 1-3 Handling precautions ... 1-3 Shipment contents ... 1-4 Instruction manual ... 1-4 Repacking for shipment ... 1-4 Recommended connector ... 1-4 2 Connections Introduction ... 2-2 Handling precautions ... 2-2 Card configuration ... 2-2 Card layout ... 2-2 Simplified schematic ... 2-4 Card connections ... 2-7 Input/output connector ... 2-7 Terminal designations ... 2-7 Controlling relays ... 2-8 3 Operating Considerations Introduction ... 3-2 Maximum signal considerations ... 3-2 Relay power and control ... 3-2 Switching considerations ... 3-2 Keeping the input/output connector clean ... 3-2 RFI/EMI ... 3-3 Ground loops ... 3-3 4 Service Information Introduction ... 4-2 Handling and cleaning precautions ... 4-2 Handling precautions ... 4-2 Card cleaning ... 4-2 Performance verification ... 4-3 Environmental conditions ... 4-3 Recommended equipment ... 4-3 Multiplexer card connections ... 4-3 Channel resistance tests ... 4-4 Contact potential tests ... 4-5 Replacing components ... 4-6 Replacement parts ... 4-6 Replacement precautions ... 4-6 Soldering considerations ... 4-6 5 Replaceable Parts Introduction ... 5-2 Parts list ... 5-2 Ordering information ... 5-2 Factory service ... 5-2 Component layout and schematic diagram ... 5-3

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