Filter
Top Products
Section 5. Programming the Datalogger
5-21
x – this filter marks the start of the data set. In this case the data set is two floating
point numbers.
f – this filter searches for the first ASCII floating point number to convert.
f – this filter searches for the second ASCII floating point number to convert.
*Table 1 Program
01: 2 Execution Interval (seconds)
;do filter set-up only if flag one is clear.
1: If Flag/Port (P91)
1: 21 Do if Flag 1 is Low
2: 30 Then Do
;set up string filter.
2: SDM-SIO4 (P113)
1: 1 Reps
2: 0 Address
3: 1 Send/Receive Port 1
4: 2054 Command
5: 9200 1st Parameters
6: 0 2nd Parameters
7: 0 Values per Rep
8: 0 Loc [ _________ ]
9: 1.0 Mult
10: 0.0 Offset
;delay required by filter set-up command.
3: Excitation with Delay (P22)
1: 1 Ex Channel
2: 0 Delay W/Ex (units = 0.01 sec)
3: 1 Delay After Ex (units = 0.01 sec)
4: 0 mV Excitation
;set flag one high so the filter set-up is only done once.
4: Do (P86)
1: 11 Set Flag 1 High
;end of IF.
5: End (P95)
;poll SDM-SIO4 to see if data is available.
6: SDM-SIO4 (P113)
1: 1 Reps
2: 0 Address
3: 1 Send/Receive Port 1
4: 1 Command
5: 0 1st Parameters
6: 0 2nd Parameters
7: 1 Values per Rep
8: 2 Loc [ poll ]
9: 1.0 Mult
10: 0.0 Offset