VXi VT1529A/B 사용자 설명서

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VT1422A Command Reference   305
MEASure
Notes
1. Unlike the MEAS:VOLT:EXC? command, the individual command sequence 
above cannot keep defined algorithms from running at INIT. Since algorithms 
can place values into the FIFO buffer, it will be necessary to determine which 
FIFO values are the excitation voltages.
2. Remember that the MEAS:VOLT:EXC? command also provides the average 
of 32 measurements for each excitation value.
Parameters
Comments
This command is only for use on channels measured with the VT1529A/B. If 
executed on channels connected to other strain SCPs, a 3007 "Invalid signal 
conditioning plug-on" error message will be generated
This command executes a measurement scan without running defined 
algorithms. This is to keep algorithms from placing values in the FIFO buffer.
The measurement sample interval is 392 µs
Filter settings and states are not changed by this command.
After completing the measurements, the instrument is re-configured to the same 
settings that existed before the command was executed.
When Accepted: Not while INITiated
Related Commands: SENSe:STRain:EXCitation, MEAS:VOLT:UNST?
*RST Condition: Channel excitation voltage values are not affected by *RST. 
However, *RST changes the function for all analog input channels to Voltage. 
When a strain channel is changed back to the strain function with a 
SENS:FUNC:STRAIN... command, the excitation voltage values for these 
channel will still be in effect. Of course, loss of power will cause the excitation 
values to be lost.
Returned Value: numeric, number of channel values in FIFO. The type is int16.
Send with VXIplug&play Function: hpe1422_cmdInt16_Q(...)
Usage
MEAS:VOLT:EXC? (@10000:10931)
determine excitation voltage on 128 
strain channels through VT1539As in 
SCP positions 0 and 1
SENS:DATA:FIFO:RESET
As in most cases, since the values have 
been sent to the strain EU conversion, 
the individual excitation values do not 
need to be seen.
Parameter
Name
Parameter
Type
Range of
Values
Default 
Units
ch_list
channel list (string)
10000 - 15731
none