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Hydro-Mix
Configuration and calibration manual
Hydronix Hydro-Mix Configuration And Calibration Manual
Moisture sensor
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Table of Contents
Table of Contents
Chapter 1 Introduction
Introduction
Figure 1: Connecting the Sensor (Overview)
Chapter 2 Configuration
Configuring the Sensor
Analogue Output Setup
Figure 2: Guidance for Setting Output Variable
Digital Inputs/Output Setup
Averaging Parameters
Filtering
Typical Moisture Trace from a Hydronix Moisture Sensor in Flowing Material
Figure 3: Raw and Filter Include Sensor Output
Figure 4: Raw Unscaled Moisture Trace in Flowing Material
Figure 5: Graph Showing the Filtered Signal
Filtering the Signal When Used in a Mixer Application
Figure 6: Typical Moisture Curve
Figure 7: Graph Showing Raw Signal During MIX Cycle
Figure 8: Filtering the RAW Unscaled Signal (1)
Figure 9: Filtering the RAW Signal (2)
Figure 10: Relationship of Unscaled Values to Moisture
Outputting the Sensor Data
Figure 11: Data Arrangement in the Sensor
Figure 12: None Specified Output Selection
Figure 13: Legacy Output Selection
Chapter 3 Sensor Integration and Material Calibration
Sensor Integration
Introduction to Material Calibration
Figure 14: Calibrations for 3 Different Materials
Figure 15: Typical Calibration Results
SSD Coefficient and SSD Moisture Content
Storing Calibration Data
Figure 16: Calibration Inside the Sensor
Calibration Procedure for Flowing Material (Linear)
Figure 17 - Calibration Inside the Control System
Good/Bad Calibration
Figure 18 - Example of Good Material Calibration
Quadratic Calibration
Figure 19 - Examples of Poor Material Calibration Points
Calibrating a Sensor in a Mixer
Figure 20: Example of a Good Quadratic Calibration
Figure 21: Example of a Bad Quadratic Calibration
Brix Calibration
Figure 22: Example of a Good Brix Calibration
Figure 23: Example of a Bad Brix Calibration
Chapter 4 Best Practices
General to All Applications
Chapter 5 Sensor Diagnostics
Sensor Diagnostics
Chapter 6 Frequently Asked Questions
Appendix A Document Cross Reference
Document Cross Reference
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Configuring the Sensor
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Hydronix Moisture Sensor
Configuration and Calibration
Guide
HD0679
1.2.0
October 2015
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Summarization of Contents
Introduction to Hydronix Moisture Sensors
Sensor Overview
Provides an overview of the Hydronix Microwave Moisture Sensor, its models, and typical applications.
Sensor Configuration and Settings
Configuring the Sensor Parameters
Details internal parameters and settings to optimize sensor performance for specific applications using Hydro-Com software.
Analogue Output Configuration
Explains how to configure current loop outputs for equipment integration and sensor readings like moisture or temperature.
Output Variable Selection
Defines the sensor readings represented by analogue outputs, including Raw, Filtered, and Averaged values.
Digital Input/Output Configuration
Covers configuration of digital inputs/outputs for functions like averaging, alarms, and sync signals.
Sensor Integration and Material Calibration
Sensor Integration Methods
Outlines three methods for integrating the sensor into a process for outputting values: Unscaled, absolute moisture, or target value.
Material Calibration Essentials
Explains the necessity of calibration and the concept of the "Unscaled" value for accurate moisture measurement.
Linear Calibration Procedure
Provides a step-by-step guide for performing linear calibration using material samples and sensor readings.
Calibrating a Sensor in a Mixer
Details a specific method for calibrating sensors in mixer applications where standard methods are difficult.
Best Practices for Sensor Use
General Application Best Practices
Provides essential guidelines for sensor installation, power-up, material handling, and build-up avoidance.
Routine Sensor Maintenance
Covers essential maintenance steps, focusing on keeping the ceramic faceplate clean and inspected.
Sensor Diagnostics and Troubleshooting
Troubleshooting: No Sensor Output
Lists possible causes and checks for sensors exhibiting no output signal.
Troubleshooting: Incorrect Analogue Output
Addresses common issues causing incorrect analogue output signals from the sensor.
Troubleshooting: Communication Errors
Guides troubleshooting for communication problems between the computer and the sensor.
Troubleshooting: Erratic Moisture Readings
Provides solutions for sensors showing inconsistent or erratic readings not correlating with moisture changes.
Frequently Asked Questions (FAQ)
Calibration Frequency
Guidance on when to recalibrate the sensor based on material changes or for validation.
Improving Calibration Accuracy
Addresses calibration point scatter and suggests improvements through sampling technique and averaging.
Diagnosing Erratic Sensor Readings
Explains potential causes for erratic sensor readings, such as material build-up or incorrect sensor angle.
Document Cross-Reference
Referenced Documents
Lists other documents referenced in the user guide for further information and technical details.
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