CR10 TABLE OF CONTENTS

MEASUREMENTS

13. CR10 MEASUREMENTS

13.1

Fast and Slow Measurement Sequence..............................................................................

13-1

13.2

Single-Ended and Differential Voltage Measurements........................................................

13-2

13.3

The Effect of Sensor Lead Length on the Signal Settling Time...........................................

13-3

13.4

Thermocouple Measurements ...........................................................................................

13-12

13.5

Bridge Resistance Measurements.....................................................................................

13-17

13.6

Resistance Measurements Requiring AC Excitation .........................................................

13-21

13.7

Calibration Process............................................................................................................

13-22

INSTALLATION

14. INSTALLATION AND MAINTENANCE

14.1

Protection from the Environment .........................................................................................

14-1

14.2

Power Requirements ...........................................................................................................

14-1

14.3

Campbell Scientific Power Supplies ....................................................................................

14-2

14.4

Solar Panels.........................................................................................................................

14-5

14.5

Direct Battery Connection to the CR10WP Wiring Panel ....................................................

14-5

14.6

Vehicle Power Supply Connections.....................................................................................

14-5

14.7

Grounding ............................................................................................................................

14-6

14.8

Wiring Panel.........................................................................................................................

14-7

14.9

Switched 12 Volt ..................................................................................................................

14-7

14.10

Use of Digital I/O Ports for Switching Relays.......................................................................

14-7

14.11

Maintenance.........................................................................................................................

14-9

APPENDICES

A. GLOSSARY ................................................................................................................................

A-1

B. CR10 PROM SIGNATURE AND OPTIONAL SOFTWARE

 

B.1

PROM Signature and Version................................................................................................

B-1

B.2

Available PROMs/Library Options .........................................................................................

B-1

B.3

Description of Library Options Not in Standard Manual ........................................................

B-2

C.BINARY TELECOMMUNICATIONS

C.1

Telecommunications Command with Binary Responses ......................................................

C-1

C.2

Final Storage Format .............................................................................................................

C-2

C.3

Generation of Signature.........................................................................................................

C-4

D. CR10 37 PIN PORT DESCRIPTION................................................................................

D-1

E.

ASCII TABLE...........................................................................................................................

E-1

G.CHANGING RAM OR PROM CHIPS

G.1

Disassembling the CR10 .......................................................................................................

G-1

G.2

Installing New RAM Chips in CR10s with 16K RAM .............................................................

G-1

G.3

Installing New PROM.............................................................................................................

G-1

G.4

Installing 4K Program Memory PROM...................................................................................

G-1

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