Campbell Scientific 4WFB120, 4WFB350, 4WFB1K 4-Wire Full Bridge Terminal Input Module User Manual
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4WFB120, 4WFB350, 4WFB1K 4 Wire Full Bridge Terminal Input Modules
*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 ]
6: Z=F (P30)
;Load Gage Factor into input location
1: 2
F
;Enter the actual Gage Factor here
2: 6
Z LOC [ GF ]
7: Z=X/Y (P38)
;calculate multiplier to use with strain
1: 7
X Loc [ 4e6 ]
;calculation
2: 6
Y Loc [ GF ]
3: 8
Z LOC [ Mult ]
8: Beginning of Loop (P87)
;Loop through 5 times to obtain average
1: 0
Delay
;zero reading
2: 5
Loop
Count
9: Z=Z+1 (P32)
;Increment Counter used to determine
1: 5
Z Loc [ Count ]
;when to output
10: Full Bridge (P6)
;Measure Strain Gage
1: 1
Reps
2: 3
± 15 mV Slow Range
3: 1
In
Card
4: 1
DIFF
Channel
5: 1
Ex
Card
6: 1
Ex
Channel
7: 1
Meas/Ex
8: 5000
mV
Excitation
9: 1
Loc [ mVperV ]
10: 1
Mult
11: 0
Offset
12