Document Outline

• GMP231 USER'S GUIDE
  • TABLE OF CONTENTS
  • GENERAL INFORMATION
    • About This Manual
      • Contents of This Manual
      • Version Information
      • Related Manuals
      • Documentation Conventions
    • Safety
      • ESD Protection
    • Recycling
    • Regulatory Compliances
    • Patent Notice
    • Trademarks
    • Software License
    • Warranty
  • PRODUCT OVERVIEW
    • Introduction to GMP231
    • Basic Features and Options
    • GMP231 Parts
    • Operating Principle of CO2 Measurement
    • Environmental Compensation
      • Pressure Compensation
      • Temperature Compensation
      • Background Gas Compensations
    • Probe Startup
    • Analog Output Overrange Behavior
  • INSTALLATION
    • Thermal Management
    • Avoiding Condensation
    • Probe Installation Depth
    • Dimensions
    • Recommended Installation
    • Wiring
    • Power Supply
  • VAISALA INDUSTRIAL PROTOCOL
    • Overview
    • Physical Interface
    • Connecting with a Computer
      • Installing the Driver for the USB Service Cable
      • Terminal Application Settings
    • Serial Commands
    • Showing Device Information
      • Show Probe Information
      • Show Serial Number
      • Show Firmware Version
      • Show Firmware Information
      • Show Probe Uptime
      • Show Command List
    • Serial Line Output Commands
      • Start Measurement Output
      • Stop Measurement Output
      • Set Output Interval
      • Output a Reading Once
      • Set Measurement Output Format
        • FORM Command Examples
    • Changing Measurement Settings
      • Set Compensation Modes
      • Change Compensation Setpoint Values
      • Set Measurement to Standby Mode
    • Configuring Serial Line Operation
      • Set Serial Line Operating Mode
      • Set Serial Line Settings
      • Set Probe Address
      • Set Serial Line Response Time
        • Set Serial Line Echo
    • Calibration Commands
      • Adjust CO2 Measurement
      • Set Calibration Date
      • Set Calibration Info Text
      • Adjust Temperature Measurement
      • Adjust Pressure Measurement
    • Configuring Analog Output
      • Set Analog Output Scaling
      • Set Analog Output Mode
      • Set Analog Output Clipping and Error Limit
      • Test Analog Output
    • Other Commands
      • Enable Advanced Commands
      • Connecting to Probe in POLL Mode
      • Closing the Connection to a Probe in POLL Mode
      • Show Active Errors
      • Reset Probe
      • Restore Factory Settings
  • I2C INTERFACE
    • Overview
      • Physical Interface
      • Communication Parameters
      • Addressing
    • Communication Flow
      • GMP231 State Machine
      • Examples of Communication Flow
      • Timing
      • Status Byte
      • Checksum
      • Status Word
    • Commands
      • Get_Interface_Version
      • Get_Parameter
        • Example: Read CO2 Measurement Result
      • Set_Parameter
      • Example: Set Compensation Temperature
      • Get_Parameter_Info
      • Adjust
    • Adjusting Measurement
      • One Point Adjustment
      • Two Point Adjustment
    • Data Registers
      • Data Formats
      • Register Table
  • MAINTENANCE
    • Cleaning
      • Chemical Tolerance
    • Changing the Filter
    • Changing the Silicone Plug
    • Calibration and Adjustment
      • Calibration Setup
        • Using Ambient Air as Reference
        • Using a Calibration Gas as Reference
      • Effect of Environmental Compensations
      • Limits of Adjustment
      • Adjustment Types
        • I2C Interface
        • Vaisala Industrial Protocol
        • MI70 Hand-Held Indicator
  • OPERATING WITH MI70 INDICATOR
    • Overview of MI70 Support
    • Connecting GMP231 to MI70 Indicator
    • Changing Environmental Compensation Settings with MI70 Indicator
    • Calibration and Adjustment with MI70 Indicator
      • 1-Point Adjustment with an MI70-Compatible Reference Probe
      • 1-Point Adjustment with a Reference Gas
  • TROUBLESHOOTING
    • Problem Situations
    • Analog Output Error State
    • Technical Support
    • Product Returns
  • TECHNICAL DATA
    • Specifications
    • Spare Parts and Accessories