Calibration
2-3
Table 2-1
IEEE-488 bus calibration command summary
Command Description
:CALibration
:PROTected
:INITiate
:LOCK
:SWITch?
:SAVE
:DATA?
:DATE <yr>, <mon>, <day>
:DATE?
:NDUE <yr>, <mon>, <day>
:NDUE?
:DC
:ZERO
:V2 <NRf>
:V20 <NRf>
:OHM1M <NRf>
:OHM200K <NRf>
:OHM20K <NRf>
:OHM2K <NRf>
:OHM200 <NRf>
:OHM20 <NRf>
:A200U <NRf>
:A2M <NRf>
:A20M <NRf>
:A200M <NRf>
:A2 <NRf>
:OPEN
:LLEVel
:SWITch?
:STEP <Step #>
1
2
3
4
5
6
7
8
9
10
11
12
13
:UNPRotected
:ACCompensation
Calibration root command.
All commands in this subsystem are protected by the CAL switch (except queries).
Initiate calibration.
Lock out calibration (opposite of enabling cal with CAL switch).
Request comprehensive CAL switch state. (0 = locked; 1 = unlocked)
Save cal constants to EEROM.
Download cal constants from 2002.
Send cal date to 2002.
Request cal date from 2002.
Send next due cal date to 2002.
Request next due cal date from 2002.
Comprehensive calibration subsystem.
Short-circuit calibration step.
+2V DC calibration step.
+20V DC calibration step.
1MΩ calibration step.
200kΩ calibration step.
20kΩ calibration step.
2kΩ calibration step.
200Ω calibration step.
20Ω calibration step.
200µA DC calibration step.
2mA DC calibration step.
20mA DC calibration step.
200mA DC calibration step.
2A DC calibration step.
Open circuit calibration step.
Low-level calibration subsystem.
Request low-level CAL switch state. (0 = locked; 1 = unlocked)
20V AC at 1kHz step.
20V AC at 30kHz step.
200V AC at 1kHz step.
200V AC at 30kHz
1.5V AC at 1kHz step.
200mV AC at 1kHz step.
5mV AC at 100kHz step.
0.5mV AC at 1kHz step.
+100V DC step.
-20V DC step.
Rear inputs short-circuit step.
20mA AC at 1kHz step.
2V AC at 1Hz step.
Commands in this subsystem not protected by CAL switch.
Perform user AC calibration (disconnect all cables)
NOTE: Upper-case letters indicate short form of each command. For example, instead of sending ":CALibration:PROTected:INITiate", send
":CAL:PROT:INIT".
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