ID?
186 Chapter 6 Command Reference
Examples In the following program, line 10 allows %_resolution in line 20 to control the
resolution. The resolution specified by line 20 is 6V × .0000167 = 100µV.
10 OUTPUT 722;"NPLC 0" !SETS PLCS TO MINIMUM
20 OUTPUT 722;"FUNC DCV,6,.00167" !SELECTS DC VOLTS, 6V MAX,
30 END !100µV RESOLUTION
In the following program, line 10 sets the number of PLCs to 1000. This
corresponds to maximum resolution (7.5 digits) and prevents %_resolution in line
20 from affecting the measurement. The requested resolution from line 20 is
10mW. However. because of line 10, the actual resolution is 100µW.
10 OUTPUT 722;"NPLC 1000" !SETS PLCS TO MAXIMUM
20 OUTPUT 722;"FUNC OHM,1E3,.001" !SELECTS 2-WIRE OHMS,
30 END !1kW MAX, 10mW RESOLUTION
Chapter 0:Command Reference
ID?
Identity Query. The multimeter responds to the ID? command by sending the
string "HP 3458A". This feature allows the GPIB controller to locate the
multimeter by its address.
Syntax ID?
Remarks • Related Commands: ADDRESS, QFORMAT
Example 10 OUTPUT 722;"ID?” !RETURNS RESPONSE
20 ENTER 722;A$ !ENTERS RESPONSE INTO THE COMPUTER'S A$
VARIABLE
30 PRINT A$ !PRINTS RESPONSE
40 END
INBUF
Input Buffer. Enables or disables the multimeter's input buffer. When enabled,
the input buffer temporarily stores the commands it receives over the GPIB bus.
This releases the bus immediately after a command is received, allowing the
controller to perform other tasks while the multimeter executes the stored
command.
Syntax INBUF [control]
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