Specifications
AM25T Solid State Multiplexer 
11 
03: Full Bridge (P6)  ;Measure the output of the reference temp. full bridge, Vs 
 1: 1   Reps 
  2:  23    25 mV 60 Hz Rejection Range  ;See Table 6-1 for older AM25T multiplexers 
 3: 1   DIFF Channel 
  4:  1    Excite all reps w/Exchan 1 
 5: 1200   mV Excitation  ;See Table 6-1 for older AM25T multiplexers 
  6:  27    Loc [ Vs ] 
 7: 1   Mult 
 8: 0   Offset 
04: Do (P86)      ;Clock to advance to measure excitation 
 1: 71   Pulse Port 1 
05: Full Bridge (P6)  ;Measure the Excitation at the full bridge, Vx 
 1: 1   Reps 
  2:  25    2500 mV 60 Hz Rejection Range  ;See Table 6-1 for older AM25T multiplexers 
 3: 1   DIFF Channel 
  4:  1    Excite all reps w/Exchan 1 
 5: 1200   mV Excitation  ;See Table 6-1 for older AM25T multiplexers 
  6:  28    Loc [ Vx ] 
 7: .001   Mult 
 8: 0   Offset 
06: Z=X/Y (P38)    ;Calculate Vs/Vx 
  1:  27    X Loc [ Vs ] 
  2:  28    Y Loc [ Vx ] 
  3:  1    Z Loc [ RefTemp_C ] 
07: Z=X*F (P37) 
  1:  1    X Loc [ RefTemp_C ] 
 2: -0.001   F 
  3:  1    Z Loc [ RefTemp_C ] 
08: Z=X+F (P34) 
  1:  1    X Loc [ RefTemp_C ] 
 2: .09707   F 
  3:  1    Z Loc [ RefTemp_C ] 
09: BR Transform Rf[X/(1-X)] (P59)  ;Calculate RTD resistance R/R0 
 1: 1   Reps 
  2:  1    Loc [ RefTemp_C ] 
 3: 10.025   Multiplier (Rf) 
10: Temperature RTD (P16)  ;Calculate reference temperature 
 1: 1   Reps 
  2:  1    R/R0 Loc [ RefTemp_C ] 
  3:  1    Loc [ RefTemp_C ] 
 4: 1.0   Mult 
 5: 0.0   Offset 
11: Do (P86)      ;Reset multiplexer 
 1: 72   Pulse Port 2 










