Keithley 7015-S Instruction Manual page 13

4 Operation
Figure 4-1 Channel status display ................................................................................................................................ 4-2
Figure 4-2 Display organization for multiplexer channels........................................................................................... 4-2
Figure 4-3 Model 7015 programming channel assignments ........................................................................................ 4-3
Figure 4-4 High-speed scanning connections............................................................................................................... 4-6
Figure 4-5 Four-wire resistance testing........................................................................................................................ 4-8
Figure 4-6 Low-resistance testing ................................................................................................................................ 4-9
Figure 4-7 Configuration for current gain test ........................................................................................................... 4-11
Figure 4-8 Connecting multiplexer and matrix cards together................................................................................... 4-12
Figure 4-9 Thermoelectric generation ........................................................................................................................ 4-13
Figure 4-10 Channel resistance .................................................................................................................................... 4-13
Figure 4-11 Path isolation resistance............................................................................................................................ 4-14
Figure 4-12 Voltage attenuation by path isolation resistance ...................................................................................... 4-14
Figure 4-13 Power line ground loops ........................................................................................................................... 4-15
Figure 4-14 Eliminating ground loops ......................................................................................................................... 4-16
5 Service Information
Figure 5-1 Path resistance test connections.................................................................................................................. 5-4
Figure 5-2 Differential and common mode offset current test connections ................................................................. 5-5
Figure 5-3 Contact potential test connections .............................................................................................................. 5-6
Figure 5-4 Bank isolation test connections .................................................................................................................. 5-7
Figure 5-5 Channel-to-channel isolation test connections ........................................................................................... 5-9
Figure 5-6 Differential isolation test connections ...................................................................................................... 5-11
Figure 5-7 Common-mode isolation test connections................................................................................................ 5-13
Figure 5-8 Model 7015 block diagram....................................................................................................................... 5-14
Figure 5-9 Start and stop sequences ........................................................................................................................... 5-15
Figure 5-10 Transmit and acknowledge sequence ....................................................................................................... 5-15
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