National Instruments BridgeVIEW 用户手册
Appendix A
HMI Function Reference
A-28
© National Instruments Corporation
sample interval (1 sec) determines the time interval for each historical
trend. If unwired, the data is sampled at one-second intervals.
trend. If unwired, the data is sampled at one-second intervals.
error in (no error) is a cluster that describes the error status before this VI
executes. For more information about this control, see the section
executes. For more information about this control, see the section
in this appendix.
start timestamp is the timestamp for which the spreadsheet rows start. If
start timestamp is unwired, the spreadsheet rows start at the first
timestamp in the historical data.
start timestamp is unwired, the spreadsheet rows start at the first
timestamp in the historical data.
stop timestamp is the timestamp for which the spreadsheet rows end. If
stop timestamp is unwired, the spreadsheet rows start at the last timestamp
in the historical data.
stop timestamp is unwired, the spreadsheet rows start at the last timestamp
in the historical data.
spreadsheet string contains spreadsheet formatted data that can be written
to a text file. This file can be opened into spreadsheets like Excel.
to a text file. This file can be opened into spreadsheets like Excel.
error out is a cluster that describes the error status after this VI executes.
For more information about this indicator, see the section
For more information about this indicator, see the section
in this appendix.