Instruction manual

AM416 RELAY MULTIPLEXER
17
EXAMPLE PROGRAM - THERMOCOUPLE
AND SOIL BLOCK MEASUREMENT
(PROGRAM IS FOR CR10(X) - 33
LOCATIONS ALLOCATED TO INPUT
STORAGE)
* 1 Table 1 Programs
01: 60 Sec. Execution Interval
REFERENCE TEMPERATURE FOR
THERMOCOUPLES
01: P11 Temp 107 Probe
01: 1 Rep
02: 4 IN Chan
03: 1 Excite all reps w/EXchan 1
04: 1 Loc [:REFTEMP ]
05: 1 Mult
06: 0 Offset
ENABLES MULTIPLEXER
02: P86 Do
01: 41 Set high Port 1
BEGINS MEASUREMENT LOOP
03: P87 Beginning of Loop
01: 0 Delay
02: 16 Loop Count
CLOCK PULSE
04: P86 Do
01: 72 Pulse Port 2
05: P22 Excitation with Delay
01: 1 EX Chan
02: 2 Delay w/EX (units=.01 sec)
03: 0 Delay after EX (units=.01 sec)
04: 1 mV Excitation
05: 0
MEASURES 1 THERMOCOUPLE PER LOOP
06: P14 Thermocouple Temp
(DIFF)
01: 1 Rep
02: 1 2.5 mV slow Range
03: 1 IN Chan
04: 1 Type T (Copper-Constantan)
05: 1 Ref Temp Loc REFTEMP
06: 2-- Loc [:TC #1 ]
07: 1 Mult
08: 0 Offset
MEASURES 1 SOIL MOISTURE BLOCK PER
LOOP
07: P5 AC Half Bridge
01: 1 Rep
02: 14 250 mV fast Range
03: 3 IN Chan
04: 2 Excite all reps w/EXchan 2
05: 250 mV Excitation
06: 18-- Loc [:SOIL M #1]
07: 1 Mult
08: 0 Offset
ENDS MEASUREMENT LOOP
08: P95 End
DISABLES MULTIPLEXER
09: P86 Do
01: 51 Set low Port 1
CALCULATES BRIDGE TRANSFORM ON
SOIL MOISTURE BLOCKS
10: P59 BR Transform Rf[X/(1-X)]
01: 16 Reps
02: 18 Loc [:SOIL M #1]
03: 1 Multiplier (Rf)
11: P End Table 1
INPUT LOCATION LABELS:
1:REFTEMP 19:SOIL M #2
2:TC #1 20:SOIL M #3
3:TC #2 21:SOIL M #4
4:TC #3 22:SOIL M #5
5:TC #4 23:SOIL M #6
6:TC #5 24:SOIL M #7
7:TC #6 25:SOIL M #8
8:TC #7 26:SOIL M #9
9:TC #8 27:SOIL M#10
10:TC #9 28:SOIL M#11
11:TC #10 29:SOIL M#12
12:TC #11 30:SOIL M#13
13:TC #12 31:SOIL M#14
14:TC #13 32:SOIL M#15
15:TC #14 33:SOIL M#16
16:TC #15 34:_________
17:TC #16 35:_________
18:SOIL M #1 36:_________