Data retrieval/communication, Program examples – Campbell Scientific CR510 Basic Datalogger User Manual

Page 6

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CR510 TABLE OF CONTENTS

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2.

INTERNAL DATA STORAGE

2.1

Final Storage Areas, Output Arrays, and Memory Pointers ................................................... 2-1

2.2

Data Output Format and Range Limits .................................................................................. 2-3

2.3

Displaying Stored Data on Keyboard/Display -

∗7 Mode........................................................ 2-3

3.

INSTRUCTION SET BASICS

3.1

Parameter Data Types ........................................................................................................... 3-1

3.2

Repetitions ............................................................................................................................. 3-1

3.3

Entering Negative Numbers ................................................................................................... 3-1

3.4

Indexing Input Locations ........................................................................................................ 3-1

3.5

Voltage Range and Overrange Detection .............................................................................. 3-2

3.6

Output Processing.................................................................................................................. 3-2

3.7

Use of Flags: Output and Program Control........................................................................... 3-3

3.8

Program Control Logical Constructions ................................................................................. 3-4

3.9

Instruction Memory and Execution Time................................................................................ 3-7

3.10

Error Codes .......................................................................................................................... 3-11

DATA RETRIEVAL/COMMUNICATION

4.

EXTERNAL STORAGE PERIPHERALS

4.1

On-Line Data Transfer - Instruction 96 .................................................................................. 4-1

4.2

Manually Initiated Data Output -

∗8 Mode .............................................................................. 4-3

4.3

Printer Output Formats........................................................................................................... 4-3

4.4

Storage Module ...................................................................................................................... 4-4

4.5

∗9 Mode -- SM192/716 Storage Module Commands............................................................. 4-5

5.

TELECOMMUNICATIONS

5.1

Telecommunications Commands .......................................................................................... 5-1

5.2

Remote Programming of the CR510...................................................................................... 5-4

6.

9-PIN SERIAL INPUT/OUTPUT

6.1

Pin Description ....................................................................................................................... 6-1

6.2

Enabling and Addressing Peripherals .................................................................................... 6-2

6.3

Ring Interrupts........................................................................................................................ 6-3

6.4

Interrupts During Data Transfer ............................................................................................. 6-3

6.5

Modem/Terminal Peripherals ................................................................................................. 6-4

6.6

Synchronous Device Communication .................................................................................... 6-4

6.7

Modem/Terminal and Computer Requirements..................................................................... 6-5

PROGRAM EXAMPLES

7.

MEASUREMENT PROGRAMMING EXAMPLES

7.1

Single-Ended Voltage 107 Temperature Probe ..................................................................... 7-1

7.2

Differential Voltage Measurement.......................................................................................... 7-1

7.3

HMP35C Temperature and RH Probe ................................................................................... 7-2

7.4

Anemometer with Photochopper Output ................................................................................ 7-3

7.5

Tipping Bucket Rain Gage with Long Leads .......................................................................... 7-4

7.6

100 ohm PRT in 4 Wire Half Bridge....................................................................................... 7-4

7.7

100 ohm PRT in 3 Wire Half Bridge....................................................................................... 7-6

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