Keithley 2500 - Page 28

12 Digital I/O Port, Output Enable, and Output Configuration
Figure 12-1 Output Enable and digital I/O .............................................. 12-2
Figure 12-2 Sink operation ...................................................................... 12-4
Figure 12-3 Source operation .................................................................. 12-5
Figure 12-4 Using test fixture output ....................................................... 12-7
Figure 12-5 Output configuration menu tree ........................................... 12-8
13 Remote Operations
Figure 13-1 IEEE-488 connector ............................................................. 13-4
Figure 13-2 IEEE-488 connections ......................................................... 13-4
Figure 13-3 IEEE-488 and RS-232 connector location ........................... 13-5
Figure 13-4 RS-232 interface connector ............................................... 13-18
14 Status Structure
Figure 14-1 Model 2500 status register structure .................................... 14-3
Figure 14-2 16-bit status register ............................................................. 14-5
Figure 14-3 Status byte and service request (SRQ) ................................. 14-7
Figure 14-4 Standard event status .......................................................... 14-11
Figure 14-5 Operation event status ........................................................ 14-13
Figure 14-6 Measurement event status .................................................. 14-15
Figure 14-7 Questionable event status ................................................... 14-16
17 SCPI Command Reference
Figure 17-1 ASCII data format .............................................................. 17-44
Figure 17-2 IEEE-754 single precision data format (32 data bits) ........ 17-45
C Data Flow
Figure C-1 Data flow block diagram ....................................................... C-2
D IEEE-488 Bus Overview
Figure D-1 IEEE-488 bus configuration .................................................. D-4
Figure D-2 IEEE-488 handshake sequence ............................................. D-6
Figure D-3 Command codes .................................................................. D-11
F Measurement Considerations
Figure F-1 Voltage burden ....................................................................... F-6
Figure F-2 Power line ground loops ........................................................ F-7
Figure F-3 Eliminating ground loops ...................................................... F-8
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