Campbell Scientific CR510 Basic Datalogger User Manual

Page 264

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LIST OF FIGURES

LF-2

8.

PROCESSING AND PROGRAM CONTROL EXAMPLES

8.4-1

Connections for Rain Gage .................................................................................................... 8-3

9.

INPUT/OUTPUT INSTRUCTIONS

9-1

Conditioning for Long Duration Voltage Pulses ...................................................................... 9-2

10. PROCESSING INSTRUCTIONS

10-1

Quadrant that the Angle Falls in is Defined by the Sign of x and y....................................... 10-7

13. CR510 MEASUREMENTS

13.1-1

50 and 60 Hz Noise Rejection .............................................................................................. 13-1

13.2-1

Timing of Single-Ended Measurement ................................................................................. 13-2

13.2-2

Differential Voltage Measurement Sequence ....................................................................... 13-2

13.3-1

Input Voltage Rise and Transient Decay .............................................................................. 13-4

13.3-2

Typical Resistive Half Bridge ................................................................................................ 13-5

13.3-3

Source Resistance Model for Half Bridge Connected to the CR510 .................................... 13-5

13.3-4

Wire Manufacturers Capacitance Specifications, Cw .......................................................... 13-6

13.3-5

Model 024A Wind Direction Sensor ..................................................................................... 13-6

13.3-6

Resistive Half Bridge Connected to Single-Ended CR510 Input .......................................... 13-7

13.3-7

Half Bridge Configuration for YSI #44032 Thermistor Connected to CR510 ..................... 13-11

13.3-8

Measuring Input Settling Error with the CR510 .................................................................. 13-12

13.3-9

Incorrect Lead Wire Extension on Model 107 Temperature Sensor .................................. 13-12

13.4-1

Circuits Used with Instructions 4-9 ..................................................................................... 13-13

13.4-2

Excitation and Measurement Sequence for 4 Wire Full Bridge.......................................... 13-14

13.5-1

AC Excitation and Measurement Sequence for AC Half Bridge......................................... 13-16

13.5-2

Model of Resistive Sensor with Ground Loop .................................................................... 13-16

14. INSTALLATION AND MAINTENANCE

14.3-1

BPALK Power Supply ........................................................................................................... 14-3

14.3-2

PS12LA................................................................................................................................. 14-4

14.6-1

Connecting to Vehicle Power Supply.................................................................................... 14-5

14.7-1

Terminal Strip Grounding Diagram and Excitation Control .................................................. 14-6

14.9-1

Relay Driver Circuit with Relay ............................................................................................. 14-8

14.9-2

Power Switching without Relay............................................................................................. 14-8

14.10-1

CR510 Lithium Battery Location ........................................................................................... 14-9

APPENDIX D. DATALOGGER INITIATED COMMUNICATIONS

D.3-1

Example Station File Settings for 115.STN ............................................................................D-3

D.3-2

Example .SCR file for Datalogger Initiated Communications .................................................D-3

D.3-3

Computer Screen in PC208/TELCOM Waiting for a Call.......................................................D-3

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