Keithley 2001-TCSCAN - Page 10

List of Illustrations
2 Card Connections and Installation
Figure 2-1 Model 2001-TCSCAN simplified schematic ............................................................................................. 2-2
Figure 2-2 Card connectors.......................................................................................................................................... 2-3
Figure 2-3 Output connections..................................................................................................................................... 2-5
Figure 2-4 Routing wires through cable clamp............................................................................................................ 2-5
Figure 2-5 Typical connections for thermocouple scanning........................................................................................ 2-6
Figure 2-6 Connections for voltage scanning .............................................................................................................. 2-7
Figure 2-7 Typical connections for 2-wire resistance scanning .................................................................................. 2-8
Figure 2-8 Typical connections for 4-wire resistance scanning .................................................................................. 2-9
Figure 2-9 Card installation ....................................................................................................................................... 2-11
Figure 2-10 2-pole output connections ........................................................................................................................ 2-13
Figure 2-11 4-pole output connections ........................................................................................................................ 2-14
3 Operation
Figure 3-1 Models 2001 and 2002 front panel scanner controls.................................................................................. 3-3
Figure 3-2 Models 2000 and 2010 front panel scanner controls ............................................................................... 3-18
Figure 3-3 2-wire resistance test connections............................................................................................................ 3-25
Figure 3-4 4-wire resistance test connections............................................................................................................ 3-26
Figure 3-5 Combining 2-pole and 4-pole switching .................................................................................................. 3-27
Figure 3-6 Resistor temperature coefficient testing................................................................................................... 3-29
Figure 3-7 Path isolation resistance ........................................................................................................................... 3-31
Figure 3-8 Voltage attenuation by path isolation resistance...................................................................................... 3-31
Figure 3-9 Power line ground loops........................................................................................................................... 3-32
Figure 3-10 Eliminating ground loops......................................................................................................................... 3-32
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