Campbell Scientific 4WFBS120, 4WFBS350, 4WFBS1K 4 Wire Full Bridge Terminal Input Modules User Manual

Page 21

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4WFBS120, 4WFBS350, 4WFBS1K 4 Wire Full Bridge Terminal Input Modules (TIM)

;The following instructions calculate microstrain


5: Z=X*F (P37)

1: 3

X Loc [ Vr ]

2: -2

F

3: 9

Z Loc [ 1_2Vr ]


6: Z=Z+1 (P32)
1: 9

Z Loc [ 1_2Vr ]


7: Z=X/Y (P38)
1: 3

X Loc [ Vr ]

2: 9

Y Loc [ 1_2Vr ]

3: 10

Z Loc [ Vr_1_2Vr ]

8: Z=X*Y (P36)
1: 10

X Loc [ Vr_1_2Vr ]

2: 8

Y Loc [ Mult ]

3: 4

Z Loc [ uStrain ]

;Output Section

;This example outputs an average of the 1 second readings
;once per minute.

9: If time is (P92)
1: 0

Minutes (Seconds --) into a

2: 1

Interval (same units as above)

3: 10

Set

Output

Flag

High


10: Set Active Storage Area (P80)

1: 1

Final Storage Area 1

2: 1

Array

ID

;Set Array ID = 1 for measurement data

11: Real Time (P77)
1: 1110

Year,Day,Hour/Minute

12: Average (P71)
1: 1

Reps

2: 4

Loc [ uStrain ]


*Table 2 Program
01: 0.0000

Execution

Interval

(seconds)


*Table 3 Subroutines

1: Beginning of Subroutine (P85)

;Subroutine to measure "zero"

1: 1

Subroutine

1

2: Do (P86)

;This prevents calling subroutine

1: 11

Set Flag 1 High

;until user sets flag 1 low again.

3: Z=F (P30)

;Set counter use for average to 0

1: 0

F

2: 5

Z Loc [ count ]


4: Z=F (P30)

;load 4000 into

1: 4000

F

;input location

2: 7

Z Loc [ 4e6 ]


5: Z=X*F (P37)

;Multiply by 1000 to get (4*uS/S)

1: 7

X Loc [ 4e6 ]

2: 1000

F

3: 7

Z Loc [ 4e6 ]

15

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