Keithley 6485 Instruction Manual page 18

8 Limit Tests
Figure 8-1 Limit tests ............................................................................... 8-2
Figure 8-2 Limit tests example ................................................................ 8-2
Figure 8-3 Operation model for limit test ................................................ 8-4
9 Remote Operation
Figure 9-1 IEEE-488 connector ............................................................... 9-5
Figure 9-2 Multi-unit connections ........................................................... 9-5
Figure 9-3 IEEE-488 connector location ................................................. 9-6
Figure 9-4 RS-232 interface connector .................................................. 9-18
10 Status Structure
Figure 10-1 6485 status mode structure ................................................... 10-3
Figure 10-2 16-bit status register ............................................................. 10-6
Figure 10-3 Status byte and service request ............................................ 10-7
Figure 10-4 Standard event status .......................................................... 10-11
Figure 10-5 Operation event status ........................................................ 10-12
Figure 10-6 Measurement event status .................................................. 10-14
Figure 10-7 Questionable event status ................................................... 10-15
13 DISPlay, FORMat, and SYSTem
Figure 13-1 ASCII data format ................................................................ 13-4
Figure 13-2 IEEE-754 single precision data format (32 data bits) .......... 13-5
Figure 13-3 Key-press codes .................................................................. 13-10
15 Performance Verification
Figure 15-1 Connections for 20µA to 20mA range verification .............. 15-8
Figure 15-2 Connections for 2nA to 2µA range verification ................. 15-10
16 Calibration
Figure 16-1 Connections for 20µA to 20mA range calibration ............... 16-9
Figure 16-2 Connections for 2nA to 2µA range calibration .................. 16-11
17 Routine Maintenance
Figure 17-1 Line fuse location ................................................................. 17-3
C General Measurement Considerations
Figure C-1 Power line ground loops ........................................................ C-2
Figure C-2 Eliminating ground loops ...................................................... C-3