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Language Dictionary - 4
43
Common Commands
Common commands begin with an * and consist of three letters (command) or three letters and a ?
(query). They are defined by the IEEE 488.2 standard to perform common interface functions. Common
commands and queries are categorized under System, Status, or Trigger functions and are listed at the
end of each group. The dc source responds to the following commands:
Table 4-2. Common Commands Syntax
*CLS Clear status
*ESE <n> Standard event status enable
* ESE? Return standard event status enable
*ESR? Return event status register
*IDN? Return instrument identification
*OPC Enable "operation complete" bit in ESR
*OPC? Return a "1" when operation complete
*OPT? Return option number
*PSC <bool> Power-on status clear state set/reset
*PSC? Return power-on status clear state
*RCL <n> Recall instrument state
*RST Reset
*SAV <n> Save instrument state
*SRE <n> Set service request enable register
*SRE? Return service request enable register
*STB? Return status byte
*TRG Trigger
*TST? Perform selftest, then return result
*WAI Hold off bus until all device commands done
Programming Parameters
The following table lists the output programming parameters for each model.
Table 4-3. Output Programming Parameters
Parameter Value
66312A 66312A 6631B
6611C
6632B
6612C
6633B
6613C
6634B
6614C
[SOUR:]CURR[:LEV][:IMM] MAX
and
[SOUR:]CURR[:LEV]:TRIG MAX
2.0475 5.1188 10.237
5.1188
5.1188
2.0475
2.0475
1.0238
1.0238
0.5118
*RST Current Value 10% of MAX value for all models
[SOUR:]VOLT[:LEV][:IMM]MAX
and
[SOUR:]VOLT[:LEV]:TRIG MAX
20.475 20.475 8.190 20.475 51.188 102.38
*RST Voltage Value 0 V for all models
[SOUR:]VOLT:PROT[:LEV] MAX 22 22 12 22 55 110
*RST OVP Value MAX for all models
OUTP:PROT:DEL MAX 2,147,483.647 seconds for all models
*RST Protection Delay Value 0.08 seconds
SENS:CURR:RANG
Low range = 0 − 20 mA for all models
High Range = 20 mA − MAX for all models
*RST Current Range Value MAX for all models