Keithley 2461 Reference Manual

Model 2461
Interactive SourceMeter® Instrument Reference Manual Section 6:
SCPI command reference
2461-901-01 A/November 2015 6-153
Details
The address can be set to any address value from 1 to 30. However, the address must be unique in
the system. It cannot conflict with an address that is assigned to another instrument or to the GPIB
controller.
A new GPIB address takes effect when the command to change it is processed. If there are response
messages in the output queue when this command is processed, they must be read at the new
address.
If command messages are being queued (sent before this command has executed), the new settings
may take effect in the middle of a subsequent command message, so care should be exercised when
setting this attribute from the GPIB interface.
You should allow ample time for the command to be processed before attempting to communicate
with the instrument again. After sending this command, make sure to use the new address to
communicate with the instrument.
*RST does not affect the GPIB address.
Example
:SYSTem:GPIB:ADDRess 26
:SYSTem:GPIB:ADDRess?
Sets the GPIB address and reads the
address.
Output:
2.600000e+01
Also see
GPIB setup (on page 2-57)
:SYSTem:LFRequency?
This query contains the power line frequency setting that is used for NPLC calculations.
Type Affected by Where saved Default value
Query only
Power cycle
Not applicable
Not applicable
Usage
:SYSTem:LFRequency?
Details
The instrument automatically detects the power line frequency (either 50 Hz or 60 Hz) when the
instrument is powered on.
Example
:SYST:LFR?
Check the line frequency.
Also see
None

Keithley 2461 Specifications

General

Maximum Current	7 A
Power	100 W
Resolution	6.5 digits
Source Measure Unit (SMU)	Yes
DC Voltage	100 V
Maximum Voltage	100 V
Display	5-inch capacitive touchscreen
Connectivity	USB, GPIB
Software	TSP
DC Current	7 A
Current Source Range	0 to 7 A
Voltage Measurement Range	100 mV to 100 V
Current Measurement Range	10 nA to 7 A
Voltage Measurement Resolution	100 nV