6482-901-01 Rev. A / August 2012
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16-41
Model 6482 Dual-Channel Picoammeter / Voltage Source Reference Manual
Section 16: SCPI Command Reference
Query
:MODE?
Query DC sourcing mode
Description
These commands are used to select the sourcing mode for the specified source.
The three modes are explained as follows:
FIXed:
In this sourcing mode, the specified source will output a fixed level. Use
the :RANGe and :AMPLitude commands to specify the fixed source level. See
“Select range,” page Section 16-41,
“Set amplitude for fixed source,”
LIST
: In this mode, the source will output levels that are specified in a list. See
“Configure list,” page Section 16-48,
for commands to define and control the exe-
cution of the list.
SWEep:
In this mode, the source will perform a voltage sweep. See
for commands to define the sweep.
NOTE
The sourcing mode will default to FIXed whenever the
Model 6482
goes to the local state.
Select range
RANGe <n>
:SOURce[1]:VOLTage:RANGe <n>Select range for channel 1 source
:SOURce2:VOLTage:RANGe <n>Select range for channel 2 source
Parameters
<n> =
-30 to 30
Specify source level (volts)
DEFault
10 V range
MINimum
10 V range
MAXimum
30 V range
UP
Select next higher range
DOWN
Select next lower range
Query
:RANGe?
Query range for specified source
:RANGe? DEFault
Query *RST default source range
:RANGe? MINimum
Query lowest source range
:RANGe? MAXimum
Query highest source range
Description
These commands are used to manually select the range for the specified source.
Range is selected by specifying the approximate source magnitude that you will
be using. The instrument will then go to the lowest range that can accommodate
that level. For example, if you expect to source levels around 3 V, send the
following command:
:SOURce1:VOLTage:RANGe 3
The above command will select the 10 V range for the channel 1 source.
As listed in
“Parameters,” page 17-61,
you can also use the MINimum, MAXimum
and DEFault parameters to manually select the source range. The UP parameter
selects the next higher source range, while DOWN selects the next lower source
range.
Note that source range can be selected automatically by the instrument. See the
next command.
AUTO <b>
:SOURce[1]:VOLTage:RANGe:AUTO <b>Select autorange for source 1
:SOURce2:VOLTage:RANGe:AUTO <b>Select autorange for source 2
Parameters
<b> =
0 or OFF
Disable autorange
1 or ON
Enable autorange
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