Campbell Measurement and Control Module CR10 Operator's Manual page 239

LIST OF TABLES
5. TELECOMMUNICATIONS
5.1-1 Telecommunications Commands .......................................................................................... 5-3
6. 9 PIN SERIAL INPUT/OUTPUT
6.1-1 Pin Description ....................................................................................................................... 6-1
6.6-1 SD Addresses ........................................................................................................................ 6-5
6.7-1 SC32A Pin Description .......................................................................................................... 6-6
6.7-2 DTE Pin Configuration ........................................................................................................... 6-6
7. MEASUREMENT PROGRAMMING EXAMPLES
7.16-1 Calibration Data for Sensor 3998 ........................................................................................ 7-16
7.17-1 Period Averaging Instruction 27........................................................................................... 7-19
7.17-2 Input Frequency Gain Codes ............................................................................................... 7-19
7.17-3 Coefficient Entry Format for Parosci. "T" Series Pressure Transducer Instruction 30 ........ 7-20
9. INPUT/OUTPUT INSTRUCTIONS
9-1 Input Voltage Ranges and Codes.......................................................................................... 9-1
9-2 Pulse Count Configuration Codes ......................................................................................... 9-3
9-3 Thermocouple Type Codes.................................................................................................... 9-7
9-4 Voltage and Temperature Ranges for Thermocouples If the Reference is 20°C.................. 9-7
9-5 Port Configuration Option Codes........................................................................................... 9-9
9-6 SDI-12 Command Codes..................................................................................................... 9-16
12. PROGRAM CONTROL INSTRUCTIONS
12-1 Flag Description ................................................................................................................... 12-1
12-2 Command Codes ................................................................................................................. 12-1
12-3 Loop Example: Block Data Transform ................................................................................ 12-3
12-4 Example: Loop with Delay .................................................................................................. 12-4
12-5 Comparison Codes .............................................................................................................. 12-4
13. CR10 MEASUREMENTS
Exponential Decay, Percent of Maximum Error vs. Time in Units of τ ............................... 13-4
13.3-1
13.3-2 Properties of Three Belden Lead Wires Used by Campbell Scientific ................................ 13-6
13.3-3 Settling Error, in Degrees, for 024A Wind Direction Sensor vs. Lead Length ..................... 13-7
13.3-4 Measured Peak Excitation Transients for 1000 Foot Lengths of Three
Belden Lead Wires Used by Campbell Scientific ................................................................ 13-8
13.3-5 Summary of Input Settling Data for Campbell Scientific Resistive Sensors........................ 13-9
13.3-6 Maximum Lead Length vs. Error for Campbell Scientific Resistive Sensors....................... 13-9
13.3-7 Source Resistances and Signal Levels for YSI #44032 Thermistor
Configurations Shown in Figure 13.3-7 (2V Excitation)..................................................... 13-10
13.4-1 Limits of Error for Thermocouple Wire (Reference Junction at 0
13.4-2 Limits of Error on CR10 Thermocouple Output Linearization ........................................... 13-15
13.4-3 Ref. Temp. Compensation Range & Linearization Error Relative to NBS Standards ....... 13-15
13.4-4 Example of Errors in Thermocouple Temperature ............................................................ 13-16
13.5-1 Comparison of Bridge Measurement Instructions ............................................................. 13-19
13.5-2 Calculating Resistance Values from Bridge Measurement ............................................... 13-20
LT-2
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C)................................. 13-13
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