List of figures – Campbell Scientific CR7 Measurement and Control System User Manual

Page 177

LF-1

LIST OF FIGURES

PAGE

OVERVIEW

OV1-1

CR7 Measurement and Control System ............................................................................. OV-3

OV1-2

CR7 Wiring Panel and Associated Programming Instructions............................................ OV-4

OV2-1

Instruction Types and Storage Areas.................................................................................. OV-5

OV2-2

Program and Subroutine Tables ......................................................................................... OV-7

OV5-1

Data Retrieval Hardware Options ..................................................................................... OV-16

INTERNAL DATA STORAGE

2.1-1

Ring Memory Representation of Final Data Storage ..............................................................2-1

2.1-2

Output Array ID .......................................................................................................................2-1

INSTRUCTION SET BASICS

3.8-1

If Then/Else Execution Sequence ...........................................................................................3-5

3.8-2

Logical AND Construction .......................................................................................................3-5

3.8-3

Logical OR Construction .........................................................................................................3-5

EXTERNAL STORAGE PERIPHERALS

4.4-1

Example of CR7 Printable ASCII Output Format ....................................................................4-5

9 PIN SERIAL INPUT/OUTPUT

6.1-1

9 Pin Connector ......................................................................................................................6-1

6.5-1

Transmitting the ASCII Character 1 ........................................................................................6-4

MEASUREMENT PROGRAMMING EXAMPLES

7.1-1

Wiring Diagram for LI200S......................................................................................................7-1

7.2-1

Typical Connection for Active Sensor with External Battery ...................................................7-2

7.4-1

Thermocouples with External Reference Junction..................................................................7-2

7.5-1

Connection for Thermocouple Differential Temperature Measurement .................................7-3

7.9-1

Wiring Diagram for Anemometer ............................................................................................7-6

7.10-1

Wiring Diagram for Raingage with Long Leads ......................................................................7-7

7.11-1

Wiring Diagram for PRT in 4 Wire 1/2 Bridge .........................................................................7-7

7.12-1

3 Wire Half-Bridge Used to Measure 100 ohm PRT ...............................................................7-8

7.13-1

Full Bridge Schematic for 100 ohm PRT.................................................................................7-9

7.14-1

Wiring Diagram for Full Bridge Pressure Transducer ...........................................................7-10

7.15-1

Diagrammatic Representation of Lysimeter Weighing Mechanism ......................................7-11

7.15-2

6 Wire Full Bridge Connection for Load Cell.........................................................................7-12

7.16-1

12 Gypsum Blocks Connected to the CR7............................................................................7-13

7.17-1

101 Thermistor Probes Connected to CR7...........................................................................7-14