Specifications

AM25T Solid State Multiplexer
14
10: Thermocouple Temp (DIFF) (P14) ;Measure the connected thermocouple
1: 1 Reps
2: 1 5 mV Slow Range
3: 1 DIFF Channel
4: 1 Type T (Copper-Constantan)
5: 1 Ref Temp (Deg. C) Loc [ RefTemp_C ]
6: 2-- Loc [ TC_1 ]
7: 1.0 Mult
8: 0.0 Offset
11: End (P95) ;End of loop
12: Do (P86) ;Turn off AM25T
1: 52 Set Port 2 Low
Example 4. 21X Program for Measuring 25 Type T Thermocouples with the Differential
Thermocouple Instruction and Long Lead Length Compensation on the RTD Measurement
*Table 1 Program
01: 10 Execution Interval (seconds)
01: Do (P86) ;Turn On AM25T
1: 42 Set Port 2 High
02: Full Bridge (P6) ;Measure the output of the reference temp. full bridge,
Vs
1: 1 Reps
2: 3 50 mV Slow Range ;See Table 6-1 for older AM25T multiplexers
3: 1 DIFF Channel
4: 1 Excite all reps w/Exchan 1
5: 2400 mV Excitation ;See Table 6-1 for older AM25T multiplexers
6: 27 Loc [ Vs_______ ]
7: 1 Mult
8: 0 Offset
03: Do (P86) ;Clock to advance to measure excitation
1: 41 Set Port 1 High
04: Do (P86)
1: 51 Set Port 1 Low
05: Full Bridge (P6) ;Measure the Excitation at the full bridge, Vx
1: 1 Reps
2: 5 5000 mV Slow Range ;See Table 6-1 for older AM25T multiplexers
3: 1 DIFF Channel
4: 1 Excite all reps w/Exchan 1
5: 2400 mV Excitation ;See Table 6-1 for older AM25T multiplexers
6: 28 Loc [ Vx ]
7: .001 Mult
8: 0 Offset