Keithley 7001

6 Theory of Operation
Figure 6-1 Model 7001 system block diagram....................................................................................................... 6-2
Figure 6-2 Block diagram  digital circuitry and memory................................................................................ 6-4
Figure 6-3 Backplane interface simplified schematic........................................................................................... 6-6
Figure 6-4 Timing diagram  backplane interface WRITE................................................................................ 6-7
Figure 6-5 Block diagram  backplane interface (one slot) ............................................................................... 6-8
Figure 6-6 Timing diagram, IDCLK and IDDATA .............................................................................................. 6-8
Figure 6-7 Start and stop sequences ....................................................................................................................... 6-9
Figure 6-8 Display board block diagram ............................................................................................................. 6-10
Figure 6-9 BNC board block diagram .................................................................................................................. 6-11
Figure 6-10 Micro DIN board block diagram........................................................................................................ 6-12
7 Maintenance
Figure 7-1 First pattern for display test................................................................................................................ 7-11
Appendices
Figure D-1 IEEE-488 bus configuration ................................................................................................................... D-2
Figure D-2 IEEE-488 handshake sequence ...............................................................................................................D-3
Figure D-3 Command codes...................................................................................................................................... D-7
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