User Manual
4WFB120, 4WFB350, 4WFB1K 4 Wire Full Bridge Terminal Input Modules
*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: 0 Exponent of 10
3: 5 Z Loc [ Count ]
4: Z=F (P30) ;load 4 million (4*uS/S) into input location
1: 4 F
2: 6 Exponent of 10
3: 7 Z Loc [ _4e6 ]
5: Z=F (P30) ;Load Gage Factor into input location
1: 2 F ;Enter the actual Gage Factor here
2: 0 Exponent of 10
3: 6 Z Loc [ GF ]
6: 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 ]
7: Beginning of Loop (P87) ;Loop through 5 times to obtain average
1: 0 Delay ;zero reading
2: 5 Loop Count
8: Z=Z+1 (P32) ;Increment Counter used to determine
1: 5 Z Loc [ Count ] ;when to output
9: Full Bridge (P6) ;Measure Strain Gage
1: 1 Reps
2: 22 ± 7.5 mV 60 Hz Rejection Range
3: 1 DIFF Channel
4: 1 Excite all reps w/Exchan 1
5: 2500 mV Excitation
6: 1 Loc [ mVperV ]
7: 1 Mult
8: 0 Offset
10: IF (X<=>F) (P89) ;Check for last pass through loop
1: 5 X Loc [ Count ] ;to set output flag
2: 3 >=
3: 5 F
4: 10 Set Output Flag High
6