Keithley 2000-Scan Instruction Manual page 10

List of Illustrations
2
Figure 2-1
Figure 2-2
Figure 2-3
Figure 2-4
Figure 2-5
Figure 2-6
Figure 2-7
Figure 2-8
Figure 2-9
Figure 2-10
Figure 2-11
Figure 2-12
3
Figure 3-1
Figure 3-2
Figure 3-3
Figure 3-4
Figure 3-5
Figure 3-6
Figure 3-7
Figure 3-8
4
Figure 4-1
Figure 4-2
Figure 4-3
Figure 4-4
Figure 4-5
Figure 4-6
Card Connections and Installation
Model 2000-SCAN simplified schematic ..............................
Card connectors ......................................................................
Output connections .................................................................
Routing wires through cable clamp ........................................
Connections for voltage scanning ..........................................
Typical connections for 2-wire resistance scanning ............
Typical connections for 4-wire resistance scanning ............
Current shunt locations ........................................................
Current connections .............................................................
Card installation ...................................................................
2-pole output connections ....................................................
4-pole output connections ....................................................
Operation
2-wire resistance test connections ........................................
4-wire resistance test connections ........................................
Combining 2-pole and 4-pole switching
(Model 2001/2002) .........................................................
Connections for current measurements ................................
Path isolation resistance .......................................................
Voltage attenuation by path isolation resistance ..................
Power line ground loops .......................................................
Eliminating ground loops .....................................................
Service Information
Connections for path resistance checks ..................................
Connections for contact potential tests ..................................
Connections for same-channel isolation tests ........................
Connections for channel-to-channel isolation tests ................
Connections for HI and LO terminal to chassis ground
isolation tests ..................................................................
Block diagram ......................................................................
2-4
2-5
2-7
2-8
2-9
2-10
2-11
2-12
2-14
2-16
2-17
2-18
3-16
3-17
3-18
3-19
3-20
3-21
3-22
3-22
4-5
4-7
4-8
4-9
4-10
4-11