National Instruments Welding System 321645c-01 사용자 설명서

다운로드
페이지 554
Chapter 2
Function Reference — SCAN_to_Disk
©
 National Instruments Corporation
2-315
NI-DAQ FRM for PC Compatibles
SCAN_to_Disk
Format
status = SCAN_to_Disk (deviceNumber, numChans, chans, gains, filename, count, sampleRate,
scanRate, concat)
Purpose
Performs a synchronous, multiple-channel scanned data acquisition operation and 
simultaneously saves the acquired data in a disk file. 
SCAN_to_Disk
 does not return until 
all the data has been acquired and saved or an acquisition error has occurred (MIO and AI 
devices only).
Parameters
Input 
Parameter Discussion
numChans is the number of channels listed in chansArray.
Range:
1 through 16.
1 through 512 for the E Series devices, AT-MIO-16F-5, AT-MIO-64F-5, and 
AT-MIO-16X.
1 through n for PCI-6110E, PCI-6111E, and DSA devices, where n is the number 
of physical channels onboard.
Name
Type
Description
deviceNumber
i16
assigned by configuration utility
numChans
i16
number of channels
chans
[i16]
list of channels
gains
[i16]
list of gain settings
filename
STR
name of the data file
count
u32
number of samples
sampleRate
f64
desired sample rate in pts/s
scanRate
f64
desired scan rate in scans/s
concat
i16
enables concatenation of existing file