VXi VT1422A Manuel D’Utilisation
Programming the VT1422A for Data Acquisition and Control 105
.
Step 1
Step 2
Step 3
Step 4
Step 5
Set up SCP & RSCU Amps, Filters, and
Measurement Excitation Sources
Link Engineering Units (Functions)
to Analog Input Channels
Set up Digital I/O Channels
Calibrate Channel Set-up
(after 1 hour warm-up)
Define Scan List
Set up Trigger System
Select FIFO Mode
Select Data Format
Define Global Variables
(optional)
Set up Algorithm(s) and
Preset Algorithm Variables
Initiate Trigger System
Retrieve Data
Modify Algorithm Variables
ALG:ARRay, ALG:SCALar,
ALG:STAT, ALG:SCAN:RATio, ALG:UPD
ALG:STAT, ALG:SCAN:RATio, ALG:UPD
SENS:DATA:FIFO: ..., SENS:DATA:CVT?
ALG:SCAL?, and ALG:ARR? commands
ALG:SCAL?, and ALG:ARR? commands
INITiate command
ALG:DEF, ALG:ARRay, ALG:SCALar,
ALG:SCAN:RATio, ALG:UPDate
ALG:SCAN:RATio, ALG:UPDate
ALG:DEF "GLOBALS", ...
command
command
[SENSe:]DATA:FIFO:MODE command
FORMat command
ARM:SOUR, TRIG:SOUR, TRIG:COUN,
TRIG:TIMer commands
TRIG:TIMer commands
*CAL? or CAL:SETup command
ROUTe:SEQuence:DEFine command
INP: ..., OUTP: ..., [SENSe:] ...,SOUR: ...
[SENSe:]FUNC: ... commands
INP: ..., OUTP: ... commands
Trigger events execute Scan List & algs
Power On or *RST
Step 6
Step 7
Step 8
Step 9
Step 10
Step 11
Step 12
Step 13
Figure 4-4. Programming Sequence