Measurement and Control Module Operators Manual

ManualsBrandsCampbell Manufacturing ManualsNetwork RouterMeasurement and Control Module CR10

CR10 TABLE OF CONTENTS

iii

PROGRAM EXAMPLES

7. MEASUREMENT PROGRAMMING EXAMPLES

7.1 Single-Ended Voltage - LI200S Silicon Pyranometer............................................................ 7-1

7.2 Differential Voltage Measurement

......................................................................................... 7-2

7.3 Thermocouple Temperatures Using the Optional CR10TCR to Measure

the Referenc

e Temperature................................................................................................... 7-3

7.4 Thermocouple Temperatures Using an External Reference Junction

.................................. 7-3

7.5 107 Temperature Probe

......................................................................................................... 7-4

7.6 207 Temperature and RH Probe

........................................................................................... 7-4

7.7 Anemometer with Photochopper Output................................................................................

7-5

7.8 Tipping Bucket Rain Gage with Long Leads .........................................................................

7-6

7.9 100 ohm PRT in 4 Wire Half Bridge

....................................................................................... 7-6

7.10 100 ohm PRT in 3 Wire Half Bridge

....................................................................................... 7-8

7.11 100 ohm PRT in 4 Wire Full Bridge

....................................................................................... 7-9

7.12 Pressure Transducer - 4 Wire Full Bridge ...........................................................................

7-10

7.13 Lysimeter - 6 Wire Full Bridge

............................................................................................. 7-11

7.14 227 Gypsum Soil Moisture Block

......................................................................................... 7-13

7.15 Nonlinear Thermistor in Half Bridge (Model 101 Probe) .....................................................

7-14

7.16 Water Level - Geokon's Vibrating Wire Pressure Sensor

.................................................... 7-15

7.17 Paroscientific "T" Series Pres

sure Transducer.................................................................... 7-19

7.18 SDM Peripherals

.................................................................................................................. 7-24

7.19 Paroscientific Pressure Trans

ducer Processing.................................................................. 7-24

8. PROCESSING AND PROGRAM CONTROL EXAMPLES

8.1 Computation of Running Average.......................................................................................... 8-1

8.2 Rainfall Intens

ity..................................................................................................................... 8-2

8.3 Using Control Ports and Loop to Run AM416 Multiplexer

..................................................... 8-3

8.4 Sub 1 Minute Output Interval Synched to Real Time

............................................................ 8-5

8.5 Interrupt Subroutine Used to Count Switch Closures (Rain Gage)

....................................... 8-5

8.6 SDM-A04 Analog Output Multiplexer to Strip Chart ..............................................................

8-7

8.7 Converting 0-360 Wind Direction Output to 0-540 for Strip Chart

......................................... 8-8

8.8 Use of 2 Final Storage Areas - Saving Data Prior to Event

................................................... 8-9

8.9 Logarithmic Sampling Using Loops

..................................................................................... 8-10

INSTRUCTIONS

9. INPUT/OUTPUT INSTRUCTIONS........................................................................................ 9-1

10. PROCESSING INSTRUCTIONS ...................................................................................... 10-1

11. OUTPUT PROCESSING INSTRUCTIONS ................................................................... 11-1

12. PROGRAM CONTROL INSTRUCTIONS...................................................................... 12-1