用户手册 — Campbell Manufacturing CR10

目录

• CR10 MEASUREMENT AND CONTROL MODULE TABLE OF CONTENTS

  5
• PROGRAMMING

  5
• DATA RETRIEVAL/COMMUNICATION

  6
• PROGRAM EXAMPLES

  7
• INSTRUCTIONS

  7
• MEASUREMENTS

  8
• INSTALLATION

  8
• APPENDICES

  8
• SELECTED OPERATING DETAILS

  11
• CAUTIONARY NOTES

  12
• CR10 MEASUREMENT AND CONTROL MODULE OVERVIEW

  13
  • OV1. PHYSICAL DESCRIPTION

    13
    • OV1.1 WIRING PANEL

      13
      • OV1.1.1 ANALOG INPUTS

        16
      • OV1.1.2 SWITCHED EXCITATION OUTPUTS

        16
      • OV1.1.3 PULSE INPUTS

        16
      • OV1.1.4 DIGITAL I/O PORTS

        16
      • OV1.1.5 ANALOG GROUND (AG)

        16
      • OV1.1.7 5V OUTPUTS

        16
      • OV1.1.8 SERIAL I/O

        16
      • OV1.1.9 SWITCHED 12 VOLT

        16
    • OV1.2 CONNECTING POWER TO THE CR10

      17
  • OV2. MEMORY AND PROGRAMMING CONCEPTS

    17
    • OV2.2 CR10 INSTRUCTION TYPES

      19
    • OV2.3 PROGRAM TABLES, EXECUTION INTERVAL AND OUTPUT INTERVALS

      19
      • OV2.3.1 THE EXECUTION INTERVAL

        19
      • OV2.3.2. THE OUTPUT INTERVAL

        20
  • OV3. COMMUNICATING WITH CR10

    20
    • OV3.1 CR10 KEYBOARD/DISPLAY

      21
    • OV3.2 USING THE PC208 TERMINAL EMULATOR (GRAPHTERM)

      21
    • OV3.3 ASCII TERMINAL OR COMPUTER WITH TERMINAL EMULATOR

      21
      • OV3.3.1 COMPUTER/TERMINAL REQUIREMENTS

        21
        • OV3.3.2 ESTABLISHING COMMUNICATION WITH THE CR10

          22
  • OV4. PROGRAMMING THE CR10

    22
    • OV4.1 FUNCTIONAL MODES

      22
    • OV4.2 KEY DEFINITION

      23
    • OV4.3 PROGRAMMING SEQUENCE

      23
    • OV4.4 INSTRUCTION FORMAT

      24
    • OV4.5 ENTERING A PROGRAM

      24
  • OV5. PROGRAMMING EXAMPLES

    25
    • OV5.1 SAMPLE PROGRAM 1

      26
    • OV5.2 SAMPLE PROGRAM 2

      27
    • OV5.3 EDITING AN EXISTING PROGRAM

      28
  • OV6. DATA RETRIEVAL OPTIONS

    30
  • OV7. SPECIFICATIONS

    33
• SECTION 1. FUNCTIONAL MODES

  39
  • 1.1 PROGRAM TABLES - *1, *2, AND *3 MODES

    39
    • 1.1.1 EXECUTION INTERVAL

      39
    • 1.1.2 SUBROUTINES

      39
    • 1.1.3 TABLE PRIORITY/INTERRUPTS

      40
      • 1.1.4 COMPILING A PROGRAM

        40
  • 1.2 SETTING AND DISPLAYING THE CLOCK - *5 MODE

    40
  • 1.3 DISPLAYING/ALTERING INPUT MEMORY, FLAGS, AND PORTS - *6 MODE

    41
    • 1.3.1 DISPLAYING AND ALTERING INPUT STORAGE

      41
    • 1.3.2 DISPLAYING AND TOGGLING USER FLAGS

      42
    • 1.3.3 DISPLAYING AND TOGGLING PORTS

      42
  • 1.4 COMPILING AND LOGGING DATA - *0 MODE

    42
  • 1.5 MEMORY ALLOCATION - *A

    42
    • 1.5.1 INTERNAL MEMORY

      42
    • 1.5.2 *A MODE

      44
  • 1.6 MEMORY TESTING AND SYSTEM STATUS - *B

    46
  • 1.7 *C MODE -- SECURITY

    47
  • 1.8 *D MODE -- SAVE OR LOAD PROGRAM

    47
    • 1.8.1 PROGRAM TRANSFER WITH COMPUTER/PRINTER

      49
    • 1.8.2 PROGRAM TRANSFER WITH STORAGE MODULE

      50
• SECTION 2. INTERNAL DATA STORAGE

  52
  • 2.1 FINAL STORAGE AREAS, OUTPUT ARRAYS, AND MEMORY POINTERS

    52
  • 2.2 DATA OUTPUT FORMAT AND RANGE LIMITS

    54
    • 2.2.1 RESOLUTION AND RANGE LIMITS

      54
      • 2.2.2 INPUT AND INTERMEDIATE STORAGE DATA FORMAT

        54
  • 2.3 DISPLAYING STORED DATA ON KEYBOARD/DISPLAY - *7 MODE

    54
• SECTION 3. INSTRUCTION SET BASICS

  57
  • 3.1 PARAMETER DATA TYPES

    57
  • 3.2 REPETITIONS

    57
  • 3.3 ENTERING NEGATIVE NUMBERS

    57
  • 3.4 INDEXING INPUT LOCATIONS AND PORTS

    57
  • 3.5 VOLTAGE RANGE AND OVERRANGE DETECTION

    58
  • 3.6 OUTPUT PROCESSING

    58
  • 3.7 USE OF FLAGS: OUTPUT AND PROGRAM CONTROL

    59
    • 3.7.1 THE OUTPUT FLAG

      59
    • 3.7.2 THE INTERMEDIATE PROCESSING DISABLE FLAG

      59
    • 3.7.3 USER FLAGS

      60
  • 3.8 PROGRAM CONTROL LOGICAL CONSTRUCTIONS

    60
    • 3.8.2 NESTING

      61
  • 3.9 INSTRUCTION MEMORY AND EXECUTION TIME

    61
  • 3.10 ERROR CODES

    65
• SECTION 4. EXTERNAL STORAGE PERIPHERALS

  69
  • 4.1 ON-LINE DATA TRANSFER - INSTRUCTION 96

    69
  • 4.2 MANUALLY INITIATED DATA OUTPUT - *8 MODE

    71
  • 4.3 CASSETTE TAPE OPTION

    71
    • 4.3.1 CASSETTE RECORDER

      71
    • 4.3.2 CASSETTE CONNECTOR INTERFACE CABLES

      72
    • 4.3.3 TAPE FORMAT

      73
    • 4.3.4 CONNECTING TAPE TO CR10

      73
  • 4.4 PRINTER OUTPUT FORMATS

    73
    • 4.4.1 PRINTABLE ASCII FORMAT

      73
    • 4.4.2 COMMA DELINEATED ASCII

      74
  • 4.5 STORAGE MODULE (SM192/716)

    74
    • 4.5.1 STORAGE MODULE ADDRESSING

      74
    • 4.5.2 STORAGE MODULE USE WITH INSTRUCTION 96

      75
    • 4.5.3 *8 DUMP TO STORAGE MODULE

      75
  • 4.6 *9 MODE -- STORAGE MODULE COMMANDS

    75
• SECTION 5. TELECOMMUNICATIONS

  80
  • 5.1 TELECOMMUNICATIONS COMMANDS

    80
  • 5.2 REMOTE PROGRAMMING OF THE CR10

    83
• SECTION 6. 9-PIN SERIAL INPUT/OUTPUT

  84
  • 6.1 PIN DESCRIPTION

    84
  • 6.2 ENABLING AND ADDRESSING PERIPHERALS

    85
    • 6.2.1 PIN-ENABLED PERIPHERALS

      85
    • 6.2.2 ADDRESSED PERIPHERALS

      85
  • 6.3 RING INTERRUPTS

    86
  • 6.4 INTERRUPTS DURING DATA TRANSFER

    86
  • 6.5 MODEM/TERMINAL PERIPHERALS

    87
  • 6.6 SYNCHRONOUS DEVICE COMMUNICATION

    87
  • 6.7 MODEM/TERMINAL AND COMPUTER REQUIREMENTS

    89
    • 6.7.1 SC32A INTERFACE

      89
    • 6.7.2 COMPUTER/TERMINAL REQUIREMENTS

      90
    • 6.7.3 COMMUNICATION PROTOCOL/TROUBLE SHOOTING

      92
• SECTION 7. MEASUREMENT PROGRAMMING EXAMPLES

  94
  • 7.1 SINGLE-ENDED VOLTAGE - LI200S SILICON PYRANOMETER

    94
  • 7.2 DIFFERENTIAL VOLTAGE MEASUREMENT

    95
  • 7.3 THERMOCOUPLE TEMPERATURES USING THE OPTIONAL CR10TCR TO MEASURE THE REFERENCE TEMPERATURE

    96
  • 7.4 THERMOCOUPLE TEMPERATURES USING AN EXTERNAL REFERENCE JUNCTION

    96
  • 7.5 107 TEMPERATURE PROBE

    97
  • 7.6 207 TEMPERATURE AND RH PROBE

    97
  • 7.7 ANEMOMETER WITH PHOTOCHOPPER OUTPUT

    98
  • 7.8 TIPPING BUCKET RAIN GAGE WITH LONG LEADS

    99
  • 7.9 100 OHM PRT IN 4 WIRE HALF BRIDGE

    99
  • 7.10 100 OHM PRT IN 3 WIRE HALF BRIDGE

    101
  • 7.11 100 OHM PRT IN 4 WIRE FULL BRIDGE

    102
  • 7.12 PRESSURE TRANSDUCER - 4 WIRE FULL BRIDGE

    103
  • 7.13 LYSIMETER - 6 WIRE FULL BRIDGE

    104
  • 7.14 227 GYPSUM SOIL MOISTURE BLOCK

    106
  • 7.15 NONLINEAR THERMISTOR IN HALF BRIDGE (MODEL 101 PROBE)

    107
  • 7.16 WATER LEVEL - GEOKON'S VIBRATING WIRE PRESSURE SENSOR

    108
  • 7.17 PAROSCIENTIFIC "T" SERIES PRESSURE TRANSDUCER

    112
  • 7.18 SDM PERIPHERALS

    117
  • 7.19 PAROSCIENTIFIC PRESSURE TRANSDUCER PROCESSING

    117
• SECTION 8. PROCESSING AND PROGRAM CONTROL EXAMPLES

  120
  • 8.1 COMPUTATION OF RUNNING AVERAGE

    120
  • 8.2 RAINFALL INTENSITY

    121
  • 8.3 USING CONTROL PORTS AND LOOP TO RUN AM416 MULTIPLEXER

    122
  • 8.4 SUB 1 MINUTE OUTPUT INTERVAL SYNCHED TO REAL TIME

    124
  • 8.5 INTERRUPT SUBROUTINE USED TO COUNT SWITCH CLOSURES (RAIN GAGE)

    124
  • 8.6 SDM-A04 ANALOG OUTPUT MULTIPLEXER TO STRIP CHART

    126
  • 8.7 CONVERTING 0-360 WIND DIRECTION OUTPUT TO 0-540 FOR STRIP CHART

    127
  • 8.8 USE OF 2 FINAL STORAGE AREAS - SAVING DATA PRIOR TO EVENT

    128
  • 8.9 LOGARITHMIC SAMPLING USING LOOPS

    129
• SECTION 9. INPUT/OUTPUT INSTRUCTIONS

  133
• SECTION 10. PROCESSING INSTRUCTIONS

  154
• SECTION 11. OUTPUT PROCESSING INSTRUCTIONS

  162
• SECTION 12. PROGRAM CONTROL INSTRUCTIONS

  170
• SECTION 13. CR10 MEASUREMENTS

  180
  • 13.1 FAST AND SLOW MEASUREMENT SEQUENCE

    180
  • 13.2 SINGLE-ENDED AND DIFFERENTIAL VOLTAGE MEASUREMENTS

    181
  • 13.3 THE EFFECT OF SENSOR LEAD LENGTH ON THE SIGNAL SETTLING TIME

    182
    • 13.3.1 THE INPUT SETTLING TIME CONSTANT

      183
    • 13.3.2 EFFECT OF LEAD LENGTH ON SIGNAL RISE TIME

      185
    • 13.3.3 TRANSIENTS INDUCED BY SWITCHED EXCITATION

      186
    • 13.3.4 SUMMARY OF SETTLING ERRORS FOR CAMPBELL SCIENTIFIC RESISTIVE SENSORS

      187
  • 13.4 THERMOCOUPLE MEASUREMENTS

    191
    • 13.4.1 ERROR ANALYSIS

      192
    • 13.4.2 USE OF EXTERNAL REFERENCE JUNCTION OR JUNCTION BOX

      195
  • 13.5 BRIDGE RESISTANCE MEASUREMENTS

    196
  • 13.6 RESISTANCE MEASUREMENTS REQUIRING AC EXCITATION

    200
  • 13.7 CALIBRATION PROCESS

    201
• SECTION 14. INSTALLATION AND MAINTENANCE

  204
  • 14.1 PROTECTION FROM THE ENVIRONMENT

    204
  • 14.2 POWER REQUIREMENTS

    204
  • 14.3 CAMPBELL SCIENTIFIC POWER SUPPLIES

    205
    • 14.3.1 PS12ALK ALKALINE POWER SUPPLY

      205
    • 14.3.2 PS12LA LEAD ACID POWER SUPPLY

      207
    • 14.3.3 PS512M VOLTAGE REGULATOR WITH NULL MODEM PORTS

      209
  • 14.4 SOLAR PANELS

    210
  • 14.5 DIRECT BATTERY CONNECTION TO THE CR10 WIRING PANEL

    210
  • 14.6 VEHICLE POWER SUPPLY CONNECTIONS

    210
  • 14.7 GROUNDING

    211
    • 14.7.1 PROTECTION FROM LIGHTNING

      211
    • 14.7.2 EFFECT OF GROUNDING ON MEASUREMENTS: COMMON MODE RANGE

      212
  • 14.8 WIRING PANEL

    212
  • 14.9 SWITCHED 12 VOLT

    212
  • 14.10 USE OF DIGITAL I/O PORTS FOR SWITCHING RELAYS

    212
  • 14.11 MAINTENANCE

    214
• APPENDIX A. GLOSSARY

  216
• APPENDIX B. CR10 PROM SIGNATURE AND OPTIONAL SOFTWARE

  221
  • B.1 PROM SIGNATURE AND VERSION

    221
  • B.2 AVAILABLE PROMS / LIBRARY OPTIONS

    221
  • B.3 DESCRIPTION OF LIBRARY OPTIONS NOT IN STANDARD MANUAL

    221
• APPENDIX C. BINARY TELECOMMUNICATIONS

  223
  • C.1 TELECOMMUNICATIONS COMMAND WITH BINARY RESPONSES

    223
  • C.2 FINAL STORAGE FORMAT

    225
  • C.3 GENERATION OF SIGNATURE

    227
• APPENDIX D. CR10 37 PIN PORT DESCRIPTION

  229
• APPENDIX E. ASCII TABLE

  231
• APPENDIX G. CHANGING RAM OR PROM CHIPS

  233
  • G.1 DISASSEMBLING THE CR10

    233
  • G.2 INSTALLING NEW RAM CHIPS IN CR10s WITH 16K RAM

    233
    • G.2.1 CHANGING JUMPERS

      233
    • G.2.2 RAM TEST

      233
  • G.3 INSTALLING NEW PROM

    233
  • G.4 INSTALLING 4K PROGRAM MEMORY PROM

    233
• CR10 INDEX

  244