Campbell Scientific IRS21 Road Weather - Manual (Page 25)

IRS21 Lufft Intelligent Road Surface Sensor
;start irs21 sensor 1
;the polling string to send to the sensor for measurement is strst 1 "&26&41&0D&0A"
;the filter string for the sio4 is fltst 12 "n9Fn1Fn1fn3Fn1Fn3fff"
;the port setup is portset 3 13 3 0 0 9 0
;this sensor is set up for 19.2 kbaud, no parity, 8 data bits, 1 stop bit
;dtr hi to power the interface and puck and rts high for data to logger
1: SDM-SIO4 (P113)
1: 1
Reps
2: 0 Address
3: 3 Send/Receive Port 3
4: 1027 Command
5: 0022 1st Parameters
6: 0000 2nd Parameters
7: 0 Values per Rep
8: 1 Loc [ dummy ]
9: 1.0 Mult
10: 0.0 Offset
2: Delay w/Opt Excitation (P22)
1: 1
Ex Channel
2: 0 Delay W/Ex (0.01 sec units)
3: 250 Delay After Ex (0.01 sec units)
4: 0 mV Excitation
;rts lo to send data to sensor
3: SDM-SIO4 (P113)
1: 1
Reps
2: 0 Address
3: 3 Send/Receive Port 3
4: 1027 Command
5: 0010 1st Parameters
6: 0000 2nd Parameters
7: 0000 Values per Rep
8: 1 Loc [ dummy ]
9: 1.0 Mult
10: 0.0 Offset
;&A to sensor
4: SDM-SIO4 (P113)
1: 1
Reps
2: 0 Address
3: 3 Send/Receive Port 3
4: 1024 Command
5: 0001 1st Parameters
6: 0000 2nd Parameters
7: 0 Values per Rep
8: 1 Loc [ dummy ]
9: 1.0 Mult
10: 0.0 Offset
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