Campbell Scientific IRS21 Road Weather User Manual
Page 26

IRS21 Lufft Intelligent Road Surface Sensor
5: Delay w/Opt Excitation (P22)
1: 1
Ex
Channel
2: 0
Delay W/Ex (0.01 sec units)
3: 1
Delay After Ex (0.01 sec units)
4: 0
mV
Excitation
;rts hi to receive data from the sensor
6: SDM-SIO4 (P113)
1: 1
Reps
2: 0
Address
3: 3
Send/Receive
Port
3
4: 1027
Command
5: 0020
1st
Parameters
6: 0000
2nd
Parameters
7: 0000
Values
per
Rep
8: 1
Loc [ dummy ]
9: 1.0
Mult
10: 0.0
Offset
7: Delay w/Opt Excitation (P22)
1: 1
Ex
Channel
2: 0
Delay W/Ex (0.01 sec units)
3: 50
Delay After Ex (0.01 sec units)
4: 0
mV
Excitation
;dtr low to turn the interface and sensor off
8: SDM-SIO4 (P113)
1: 1
Reps
2: 0
Address
3: 3
Send/Receive
Port
3
4: 1027
Command
5: 0001
1st
Parameters
6: 0
2nd
Parameters
7: 0
Values
per
Rep
8: 1
Loc [ dummy ]
9: 1.0
Mult
10: 0.0
Offset
;send filter to sio4
9: SDM-SIO4 (P113)
1: 1
Reps
2: 0
Address
3: 3
Send/Receive
Port
3
4: 2054
Command
5: 9012
1st
Parameters
6: 0000
2nd
Parameters
7: 0000
Values
per
Rep
8: 1
Loc [ dummy ]
9: 1.0
Mult
10: 0.0
Offset
22