Campbell SAT ARGOS Manual de usuario Pagina 287

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ZENO
®
-3200 USER MANUAL
Coastal Environmental Systems (206) 682-6048 Page C-11
ITEM DATA
COMMAND ENTERED
Item 1: Sensor Type code = 3 (18-bit Differential A to D)
c1/3
Item 2: Sensor Name = R0
c2/R0
Item 3: Sensor Input Channel = 2
c3/2
Item 4: Analog Channel Gain = 1 DEFAULT
Item 5: Analog Channel Attenuation = 4
c5/5
Item 6: Switched Power code = 0 (NO SWITCHED POWER) DEFAULT
Item 7: Sensor Excitation Voltage = 1 (EXC = 1.25 VDC)
c7/1
Item 8: Switched Excitation Return = A
c8/A
Item 9: Sensor Warm up Time = 0 DEFAULT
Item 10: Sensor Sample Count = 1 DEFAULT
Item 11: Maximum Sensor Readings = 0 DEFAULT
Item 12: Sensor Timing Loop = 2
c12/2
Item 13: Conversion Coefficient A = 0 DEFAULT
Item 14: Conversion Coefficient B = 1 DEFAULT
Item 15: Conversion Coefficient C = 0 DEFAULT
Item 16: Retry count = N/A N/A
N/A = These ITEMS are not applicable for this sensor.
DEFAULT = Default Data: it is not necessary to enter a command for this Item.
PROCESS MENU
Settings for RTD Resistance Ratio
ITEM DATA
COMMAND ENTERED
Item 1: Process Category = 5 (Arithmetic)
c1/5
Item 2: Process Number = 7 (Divide Data1 by Data2
Process)
c2/7
Item 4: Input for Data1 = S1
1
: RTD
C4/S1
1
Item 5: Input for Data2 = S2
1
: R0
C5/S2
1
1: This value will vary depending on the number of sensors being connected to the ZENO
®
-3200.
Settings for Temperature
ITEM DATA
COMMAND ENTERED
Item 1: Process Category = 5 (Arithmetic)
c1/5
Item 2: Process Number = 8 (Quadratic process)
c2/8
Item 4: Input for Data = P1.1
2
C4/P1.1
2
Item 5: A Coefficient = 0
3
C5/0
3
Item 6: B Coefficient = 2597.4
3
C6/2597.4
3
Item 7: C Coefficient = -259.74
3
C7/-259.74
3
2: This value will vary depending on the number of sensors being connected to the ZENO
®
-3200.
3: Assumes output in ºC, a temperature coefficient = 0.00385//ºC (European standard), and R0 accurately
1000. for linear systems, more generally A = 0, B = R0/100, C = -1/. for nonlinear systems, refer to
the manufacturer’s calibrations, noting that the quadratic process outputs AR
2
/R0
2
+ BR/R0 + C.
DATA OUTPUT MENU
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