User Manual

223 Delmhorst Cylindrical Soil Moisture Block

7.2.5.2 Example CR10(X) Program

CR10(X)

Multiplexer

FIGURE 7-4. Wiring for CR10(X) example

*Table 1 Program

01: 60.0000 Execution Interval (seconds)

01: Do (P86) ;Enable multiplexer

1: 41 Set Port 1 High

02: Beginning of Loop (P87) ;Start of measurement loop

1: 0 Delay

2: 16 Loop Count

03: Do (P86) ;Clock Multiplexer to next channel

1: 72 Pulse Port 2

04: Step Loop Index (P90) ;Step index by 2 each pass through loop

1: 2 Step

05: AC Half Bridge (P5) ;Measure the 2 connected 223 blocks

1: 2 Reps

2: 14 250 mV Fast Range

3: 1 SE Channel

4: 2 Excite all reps w/Exchan 2

5: 250 mV Excitation

6: 1-- Loc [ BlockR_1 ] ;-- >>> advance location by index

7: 1.0 Mult

8: 0.0 Offset

06: BR Transform Rf[X/(1–X)] (P59) ;Calculate resistance from Vs/Vx

1: 2 Reps

2: 1-- Loc [ BlockR_1 ]

3: 1 Multiplier (Rf)

07: End (P95)