Campbell CR9000, Instruction Manual

Page: 204 / 218

Section 9. Program Control Instructions
9-18
Reset Table
Used to reset a data table under program control.
Syntax
ResetTable(
TableName
)
Remarks
ResetTable is a function that allows a running DLD program to reset a data
table. TableName is the name of the table to reset.
ResetTable Example
The example program line uses ResetTable to reset table MAIN when Flag(2)
is high.
If Flag(2) then ResetTable( MAIN ) 'resets table MAIN
Scan
Used to establish the program scan rate.
Syntax
Scan(
Interval, Units, BurstOption
,
Count
)
...
...
[Exit Scan]
...
Next Scan
Parameter
& Data Type Enter
Interval
Constant
Enter the time interval at which the scan is to be executed. The interval may be in µs, ms, s, or minutes,
whichever is selected with the
Units parameter. The maximum scan interval is one minute. When
followed by Wait Digital Trigger, 0 may be entered to ensure there is no delay before looking for the
trigger.
Units
The units for the time parameters.
Constant
Alpha
Code Numeric
Code
Units
USEC 0 microseconds
MSEC 1 milliseconds
SEC 2 seconds
MIN 3 minutes
BurstOpt
Constant
Option to Buffer a Burst of measurements before processing.
Option Result
0 Process measurements as they are made
1 Buffer raw measurements in RAM
2 Buffer raw measurements on PCMCIA Card
Count
Integer
The number of times to execute the Scan/NextScan loop. Enter 0 for infinite looping.