Campbell Manufacturing CR10 Manual De Usuario

iv

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

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

................................................................................................................................ A-1

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.1

Telecommunications Command with Binary Responses ......................................................C-1

C.2

Final Storage Format .............................................................................................................C-2

C.3

Generation of Signature.........................................................................................................C-4

................................................................................D-1

........................................................................................................................... E-1

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