B-20 Return to Section Topics 2100-900-01 Rev. D / September 2011
Appendix B: Remote Interface Reference Model 2100 6 1/2-Digit Resolution Digital Multimeter User’s Manual
DATA:POINts?
Query the number of readings stored in the multimeter's internal memory.
*RST
Reset the multimeter to the power-on configuration. This command can not clear the error queue.
*IDN?
Read the multimeter's identification string (dimension a string variable with at least 35 characters).
Other interface commands
SYSTem:LOCal
Place the multimeter in the LOCal mode. All keys on the front panel are fully functional in this
mode.
SYSTem:REMote
Place the multimeter in the remote mode. All buttons on the front panel, except the LOCAL key,
are disabled.
*TRG
Send a bus trigger to the Model 2100. Use the *TRG command to issue a GPIB trigger to the
Model 2100. It has the same affect as a group execute trigger (GET).
*TST?
Run a self-test adn read the results. Use this self-test query to perform a checksum test on ROM.
The command places the coded result ( 0 or 1) in the output queue. When Model 2100 is
addressed to talk, the coded result is sent from the output queue to the computer.
A returned value of zero (0) indicates that the test failed, and a value of one (1) indicates that the
test passed.
The SCPI status pattern
Status registers are provided in the same way by all SCPI equipment. And there are three register
groups with various equipment conditions recorded by the status system. They are the Status Byte
Register, the Standard Event Register and the Questionable Data Register.
The Status Byte Register collects and records high-level summary information which is reported in
other register groups. With the following diagram illustration, you will begin to better understand
the SCPI status system. In addition, the Standard Event and the Questionable Data Registers
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