Specifications

SCPI Command Quick Reference
Command
Description
:LOW? (@<channel>) Returns the LO connection for the Strain Bridge at channel
:POLarity NORmal | INVerted,(@<ch_list>) Sets input polarity on a digital SCP channel
:POLarity? (@<channel>) Returns digital polarity currently set for <channel
MEMory
:VME
:ADDRess <mem_address> Specify address of VME memory card to be used as reading storage
:ADDRess? Returns address of VME memory card
:SIZE <mem_size> Specify number of bytes of VME memory to be used to store readings
:SIZE? Returns number of VME memory bytes allocate to reading storage
:STATe 1|0|ON|OFF Enable or disable reading storage in VME memory at INIT
:STATe? Returns state of VME memory, 1=enabled, 0=disabled
OUTPut
:CURRent
:AMPLitude <amplitude>,(@<ch_list>) Set amplitude of Current Source SCP channels
:AMPLitude? (@<channel>) Returns the setting of the Current Source SCP channel
:STATe ON | OFF,(@<ch_list>) Enable or disable the Current Source SCP channels
:STATe? (@<channel>) Returns the state of the Current Source SCP channel
:POLarity NORmal | INVerted,(@<ch_list>) Sets output polarity on a digital SCP channel
:POLarity? (@<channel>) Returns digital polarity currently set for <channel>
:SHUNt ON | OFF,(@<ch_list>) Adds shunt resistance to leg of Bridge Completion SCP channels
:SHUNt? (@<channel>) Returns the state of the shunt resistor on Bridge Completion SCP channel
:TTLTrg
:SOURce FTRigger | LIMit | SCPlugon | TRIGger Sets the internal trigger source that can drive the VXIbus TTLTrg lines
:SOURce? Returns the source of TTLTrg drive.
:TTLTrg<n>
[:STATe] ON | OFF When module triggered, source a VXIbus trigger on TTLTrg<n>
[:STATe]? Returns whether the TTL trigger line specified by n is enabled
:TYPE PASSive | ACTive,(@<ch_list>) sets the output drive type for a digital channel
:TYPE? (@<channel>) Returns the output drive type for <channel>
:VOLTage
:AMPLitude <amplitude>,(@<ch_list>) Sets the voltage amplitude on Voltage Output and Strain SCPs
:AMPLitude? (@<channel>) Returns the voltage amplitude setting
ROUTe
:SEQuence
:DEFine? AIN | AOUT | DIN | DOUT Returns comma separated list of channels in analog I, O, dig I, O ch lists
:POINts? AIN | AOUT | DIN | DOUT Returns number of channels defined in above lists.
SAMPle
:TIMer <num_samples>,(@<ch_list>) Sets number of samples that will be made on channels in <ch_list>
:TIMer? (@<channel>) Returns number of samples that will be made on channels in <ch_list>
[SENSe:]
CHANnel
:SETTling <settle_time>,(@<ch_list>) Sets the channel settling time for channels in ch_list
:SETTling? (@<channel>) Returns the channel settling time for channel
DATA
:CVTable? (@<ch_list>) Returns elements of Current Value Table specified by ch_list
:RESet Resets all entries in the Current Value Table to IEEE “Not-a-number”
:FIFO
[:ALL]? Fetch all readings until instrument returns to trigger idle state
:COUNt? Returns the number of measurements in the FIFO buffer
:HALF? Returns 1 if at least 32,768 readings are in FIFO, else returns 0
:HALF? Fetch 32,768 readings (half the FIFO) when available
:MODE BLOCK | OVERwrite Set FIFO mode.
:MODE? Return the currently set FIFO mode
:PART? <n_readings> Fetch n_readings from FIFO reading buffer when available
:RESet Reset the FIFO counter to 0
FREQuency
:APERture <gate_time>,(@<ch_list>) Sets the gate time for frequency counting
:APERture? (@<channel>) Returns the gate time set for frequency counting
VT1419A Command Reference
Command Quick Reference
Chapter 6 323
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