User Manual

4WFB120, 4WFB350, 4WFB1K 4 Wire Full Bridge Terminal Input Modules

5.1 Edlog

Dataloggers that use Edlog include CR510, CR10(X), 21X, and CR7. The

Edlog instruction that measures strain gages is Instruction 6 – Full Bridge.

The Input Locations assignments used in CR10(X), 21X, and CR7 Examples

are listed in Table 5-1.

TABLE 5-1. Input

Locations Used in

CR10(X), 21X, and CR7

Examples

Addr Name

1 mVperV

2 mVperV_0

3 Vr

4 uStrain

5 Count

6 GF

7 _4e6

8 Mult

9 1_2Vr

10 Vr_1_2Vr

5.1.1 CR10(X)

;{CR10X}

;

*Table 1 Program

01: 1 Execution Interval (seconds)

;Other measurements could be inserted here or before the Output section

1: If Flag/Port (P91) ;On the first execution (Flag 1 is low)

1: 21 Do if Flag 1 is Low ;or when user sets Flag 1 low

2: 1 Call Subroutine 1 ;call the zeroing subroutine

2: Full Bridge (P6) ;Measure the 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