Keithley 6517 Service Manual page 8

2.9.1 Calibration commands ............................................................................................................................. 2-15
2.9.2 IEEE-488 bus comprehensive calibration procedure .............................................................................. 2-15
2.10 Single-point calibration ................................................................................................................................... 2-21
2.10.1 Front panel single-point calibration ......................................................................................................... 2-21
2.10.2 IEEE-488 bus single-point calibration .................................................................................................... 2-22
2.11 Programming calibration dates ........................................................................................................................ 2-23
3 Calibration Command Reference
3.1 Introduction ....................................................................................................................................................... 3-1
3.2 Command summary ........................................................................................................................................... 3-1
3.3 Miscellaneous commands .................................................................................................................................. 3-5
3.3.1 :INIT (:CALibration:PROTected:INITiate) .............................................................................................. 3-5
3.3.2 :LOCK (:CALibration:PROTected:LOCK) .............................................................................................. 3-5
3.3.3 :SWITch? (:CALibration:PROTected:SWITch?) ..................................................................................... 3-6
3.3.4 :SAVE (:CALibration:PROTected:SAVE) ............................................................................................... 3-6
3.3.5 :DATE (:CALibration:PROTected:DATE) ............................................................................................... 3-7
3.3.6 :NDUE (:CALibration:PROTected:NDUE) .............................................................................................. 3-7
3.3.7 :DATA? (:CALibration:PROTected:DATA?) .......................................................................................... 3-8
3.3.8 :OPT? (:CALibration:UNPRotected:OPTion?) ......................................................................................... 3-8
3.3.9 :CALTEMP (:CALibration:PROTected:CALTEMP) ................................................................................3-8
3.4 Meter commands ............................................................................................................................................... 3-9
3.4.1 Offset commands ....................................................................................................................................... 3-9
3.4.2 Volts function calibration commands ...................................................................................................... 3-10
3.4.3 Amps calibration commands ................................................................................................................... 3-11
3.4.4 Coulombs calibration commands ............................................................................................................ 3-13
3.5 Voltage source calibration commands ............................................................................................................. 3-15
3.6 Temperature calibration commands ................................................................................................................ 3-16
3.7 Humidity calibration commands ..................................................................................................................... 3-16
3.8 Calibration errors ............................................................................................................................................. 3-17
3.8.1 Error query commands ............................................................................................................................ 3-17
3.8.2 Detecting calibration errors ..................................................................................................................... 3-18
3.9 Detecting calibration step completion ............................................................................................................. 3-18
3.9.1 Using the *OPC? query ........................................................................................................................... 3-18
3.9.2 Using the *OPC command ...................................................................................................................... 3-18
3.9.3 Generating an SRQ on calibration complete ........................................................................................... 3-18
4 Routine Maintenance
4.1 Introduction ........................................................................................................................................................ 4-1
4.2 Line voltage selection ......................................................................................................................................... 4-1
4.3 Line fuse replacement ......................................................................................................................................... 4-1
4.4 INPUT connector cleaning ................................................................................................................................. 4-2
4.5 Firmware updates ............................................................................................................................................... 4-2
ii