Manual

229 Heat Dissipation Matric Water Potential Sensor

;{CR10X}

;Program to read 1 229-L sensor

;Reading 1 sensor takes 30 seconds

*Table 1 Program

01: 60 Execution Interval (seconds)

1: If time is (P92)

1: 0 Minutes (Seconds --) into a

2: 60 Interval (same units as above)

3: 11 Set Flag 1 High

2: If Flag/Port (P91)

1: 11 Do if Flag 1 is High

2: 30 Then Do

3: Temp (107) (P11) ;Measure reference temperature

1: 1 Reps

2: 3 SE Channel

3: 3 Excite all reps w/E3

4: 1 Loc [ Ref_Temp ]

5: 1.0 Multiplier

6: 0.0 Offset

4: Thermocouple Temp (DIFF) (P14) ;Measure initial sensor temperature

1: 1 Reps

2: 1 2.5 mV Slow Range

3: 1 DIFF Channel

4: 1 Type T (Copper-Constantan)

5: 1 Ref Temp (Deg. C) Loc [ Ref_Temp ]

6: 2 Loc [ Tinit_1 ]

7: 1.0 Mult

8: 0.0 Offset

5: Do (P86) ;Turn on CE8

1: 41 Set Port 1 High

6: Excitation with Delay (P22) ;Wait one second before taking first reading

1: 1 Ex Channel

2: 0000 Delay W/Ex (0.01 sec units)

3: 100 Delay After Ex (0.01 sec units)

4: 0 mV Excitation

7: Thermocouple Temp (DIFF) (P14) ;Take 1 second temperature reading

1: 1 Reps

2: 1 2.5 mV Slow Range

3: 4 DIFF Channel

4: 1 Type T (Copper-Constantan)

5: 1 Ref Temp (Deg. C) Loc [ ref_temp ]

6: 3 Loc [ T1sec_1 ]

7: 1.0 Mult

8: 0.0 Offset