LG G3F-TC4A Manuals

Table of Contents

• • 5

    Table of Contents

• 9

  Chapter 1. INTRODUCTION

  • 9

    Features
  • 10

    Glossary
    • 10

      A-Analog Value
    • 10

      D-Digital Value
    • 11

      Compensating Wire
    • 11

      Thermocouple
    • 11

      Temperature Conversion Characteristics
    • 11

      Burn-out Detection
    • 11

      Reference Junction Compensation (RJC)

• 12

  Chapter 2. SPECIFICATIONS

  • 12

    General Specifications
  • 13

    Performance Specifications
    • 13

      G3f-tc4a
    • 13

      G4f-tc2a
    • 13

      G6f-tc2a
  • 16

    I/O Conversion Characteristics
    • 16

      Temperature Conversion Characteristics
    • 16

      Conversion Speed
    • 17

      Accuracy
    • 17

      Burn-out Detection
    • 18

      Displaying Temperature Conversion Value
    • 18

      Displaying Digital Value

• 19

  Chapter 3. INSTALLATION and WIRING

  • 19

    Installation
    • 19

      Installation Ambience
    • 19

      Handling Precautions
  • 20

    Wiring
    • 20

      Wiring Precautions

• 21

  Chapter 4. FUNCTIONS BLOCKS

  • 21

    Insertion of the Function Blocks for Thermocouple Input Module On the GMWIN
  • 22

    Local Function Block
    • 22

      Module Initialization (G3F-TC4A:TC4INI, G4F-TC2A/G6F-TC2A:TC2INI)
    • 23

      Module Reading (Array Type) (G3F-TC4A:TC4ARD, G4F- TC2A/G6F-TC2A:TC2ARD)
    • 24

      Module Reading (Stand-alone Type) (G3F-TC4A : TC4RD, G4F-TC2A/G6F-TC2A:TC2RD)
  • 24

    Block
    • 25

      Module Initialization (G3F-TC4A:TCR4INI, G4F-TC2A:TCR2INI, G6F-TC2A:TCR62INI)
    • 26

      Module Reading (Array Type)
  • 27

    Errors Indicated During Execution of Function Block
    • 27

      Errors Indicated By the Output Variable,STAT
    • 27

      Errors Indicated By the Output Variable,ALM_CODE in the Array Type Temperature Converstion
      • 27

        Value Reading Function Block

• 28

  Chapter 5. PROGRAMMING

  • 28

    A Program for Converting a Detected Temperature Value(° ° ° ° C) Into
    • 28

      Fahrenheit (° ° ° ° F) and Outputting As a BCD Value
  • 33

    A Program for Magnitude Comparison of a Detected Temperature Value
  • 36

    A Program Used When Mounting a Thermocouple Input Module

• 39

  Chapter 6. BUFFER MEMORY CONFIGURATION and FUNCTIONS

  • 39

    Buffer Memory Configuration
    • 39

      G3F-TC4A Buffer Memory
    • 41

      G4F-TC2A/G6F-TC2A Buffer Memory
  • 42

    Buffer Memory Functions
    • 42

      Specifying Channel Enable/Disable
      • 42

        (G3F-TC4A : Address 0, G4F-TC2A/G6F-TC2A : Address 0)
    • 42

      Specifying the Type of Thermocouple
    • 43

      Temperature Conversion Value
    • 43

      Digital Conversion Value
    • 44

      Error Code
    • 44

      Setting SET Data (G3F-TC4A : Address 65, G4F-TC2A/G6F-TC2A: Address 17)
    • 45

      Information On Run Channel (G3F-TC4A : Address 66, G4F-TC2A/G6F-TC2A : Address 18)
    • 45

      Information On Thermocouple Type Specification Error
      • 45

        (G3F-TC4A : Address 67, G4F-TC2A/G6F-TC2A : Address 19)

• 46

  Chapter 7 .

  • 46

    Local
    • 48

      Read From Buffer Memory
  • 48

    Remote
    • 49

      Write to Buffer
      • 50

        Memory

• 50

  Chapter 8. PROGRAMMING

  • 50

    Basic Programming
    • 50

      G3f-tc4a
    • 51

      G4f-tc2a
  • 53

    Application Programming
    • 53

      A Program for Conversing a Detected Temperature Value(°C)
    • 55

      A Program for Magnitude Comparison of a Detected Temperature Value
    • 57

      A Program Used When Mounting a Thermocouple Input Module

• 59

  Chapter 9. TROUBLESHOOTING

  • 59

    Errors Indicated By Run LED Flickering
  • 59

    Troubleshooting Procedure
    • 59

      Run Led
      • 59

        Flickering
    • 60

      Run Led
      • 60

        Off
    • 60

      Temperature Conversion Value Fluctuates Excessively
    • 61

      Thermocouple Input Module Hardware Defect

• 62

  Chapter 10. DIMENSIONS

  • 62

    G3F-TC4A Dimensions
  • 63

    G4F-TC2A Dimensions
  • 64

    G6F-TC2A Dimensions

• 65

  Appendix 1

• 65

  ● Appendix

  • 65

    Thermoelectromotive Force Tables
  • 69

    Thermocouple
    • 69

      Normal and Overheat Temperature Limits
    • 70

      Temperature Tolerances
  • 71

    Compensating Wire
    • 71

      Types and Specifications of Compensating Wire