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mA are used on the display, the command response will always indicate the current in
uA for example 2.0mA will respond with 2000uA.
RD <step number>?
Read the results for an individual step. The step number is the actual step number
that has been saved within the file, not the order of which the steps were executed.
For example if the test was executed starting from step 3 and ending with step 5 then
the first step test results will be found in location 3 not in location 1. Each parameter is
separated by commas and includes step number, test type, test status, and metering.
The syntax for this command response is {memory - step, test type, status, meter 1,
meter 2, meter 3}. ACW test displays 4 meters. Each meter will contain both the value
and the units. In the case of DCW current where both uA and mA are used on the
display the command response will always indicate the current in uA for example
2.0mA will respond with 2000uA.
SALL?
Lists all the step parameters for the step currently selected. Each parameter is
separated by commas and includes memory and step number, test type, and
parameter values. The syntax for this command response is SALL memory+step,
type, parameter 1, parameter 2, parameter 3…. In the case of DCW current where
both uA and mA are used on the display, the command response will always indicate
the current in uA for example 2.0mA will respond with 2000uA.
RR?
Read the remote Reset input signal. When the remote reset has be activated by
closing the
contacts the query will return a value of 0 to indicate the instrument is being Reset.
RI?
Read the remote Interlock input signal. When the remote Interlock has be activated by
opening the contacts the query will return a value of 1 to indicate the instrument is in
the Interlock state and will not be able to generate output voltage or current.
7.2.6. Query Commands and Displayed Messages
While performing tests, a number of messages will be displayed to indicate the test
state or test results. These messages are displayed in the status area of the screen,
located on the first line at the top of the LCD. Query commands are used to retrieve
this information remotely. The following examples outline the syntax for various
displayed messages using the TD? and RD X? query commands.
NOTE: the format for the TD? and RD X? query commands:
memory-step,test type,status,meter1,meter2,meter3.
Below is an example response showing descriptions of the individual parameters for
each test type:
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