akrometrix TherMoire AXP 2.0 User Manual
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akrometrix TherMoire AXP 2.0 User Manual

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TherMoiré AXP 2.0
User Manual

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Summary of Contents for akrometrix TherMoire AXP 2.0

  • Page 1 TherMoiré AXP 2.0 User Manual...
  • Page 2 Akrometrix makes no warranty of any kind with respect to this TherMoiré® is a registered information. trademark of Akrometrix, LLC. Akrometrix shall not be liable for any direct, indirect, incidental, consequential, or other damage alleged in connection with the furnishing or use of this information.

  • Page 3: Table Of Contents

    TherMoiré AXP 2.0 User Manual Contents 1 Introduction ......................... 4 Overview ......................4 Warnings and Precautions .................. 4 System Configuration ..................7 System Components ................... 8 Technical Support ..................... 10 2 System Set-up and Use .................... 11 System Set-up ....................11 System Shutdown .....................

  • Page 4: Introduction

    The main body of this manual emphasizes the system hardware and its operation. A user unfamiliar with shadow moiré and its application in the TherMoiré system is advised to first read Akrometrix Optical Techniques and Analyses 101, and Section 1, Troubleshooting in order to make best use of the system.
  • Page 5 TherMoiré AXP 2.0 User Manual 1.2.2 Health and Safety Hazards • The AXP 2.0 system has been designed to minimize the potential for user injury. Safety systems, including the oven and electrical enclosure interlocks, should not be tampered with, circumvented, or left in a permanent over-ride state. •...
  • Page 6 • Do not install additional software on the TherMoiré computer, change computer system settings, or upgrade system software or hardware without consulting Akrometrix. Unauthorized modifications can cause problems in normal system operation. • Close the oven lids with care. Make sure there is adequate clearance between the glass grating and sample supports or samples before closing the oven lid.

  • Page 7: System Configuration

    TherMoiré AXP 2.0 User Manual System Configuration Figure 1.6 Overall System Components 40-5000-6900 Rev. D Page 7 of 29...

  • Page 8: System Components

    TherMoiré AXP 2.0 User Manual Glass Lid Main Lid Grating Exhaust Inlets Figure 1.7 Figure 1.8 Oven Components Electrical Cabinet Buttons System Components Every TherMoiré system consists of three main hardware components. In essence, these components do not change for different sized TherMoiré systems. These include: •...
  • Page 9 TherMoiré AXP 2.0 User Manual feedback thermocouple can be set to either TC1 or TC2, depending on how the user has the test set up. PID control to follow an input profile is provided by a PLC unit located in the electrical cabinet.

  • Page 10: Technical Support

    1.4.2 Grating and Linear Motion Stage In standard configuration, each AXP 2.0 system is provided with a Ronchi ruled 100 lines per inch grating. Akrometrix has found that this frequency grating provides a good compromise between working distance and accuracy. Other grating frequencies are available but there are trade-offs associated with their use.

  • Page 11: System Set-Up And Use

    TherMoiré AXP 2.0 User Manual 2 System Set-up and Use System Set-up 1. Turn the AXP 2.0 system on. a. Make sure the Main Power Disconnect switch on the right side of the unit is in the ON position. b. Press the Main Power switch. c.

  • Page 12: System Shutdown

    TherMoiré AXP 2.0 User Manual System Shutdown The Main Power switch will turn off all devices in the electrical cabinet while leaving power on for the PLC and computer. This is useful for leaving the AXP in an idle mode without having to turn off the computer.
  • Page 13 TherMoiré AXP 2.0 User Manual room temperature, whenever contamination is observed. Allowing a contaminated grating or window to be heated without cleaning can lead to more permanent grating surface stains. Gratings and windows should be cleaned with a lint free cloth or wipe and typically with a mild glass cleaner or 30-70% IPA solution.

  • Page 14: Temperature Control

    The HMI (Human Machine Interface) Screen is used primarily to display thermocouple setpoints and values. When the Main Power switch is off, it will display AKROMETRIX AXP 2.0. This will also be displayed if communication with the PC is lost during a profile.
  • Page 15 TherMoiré AXP 2.0 User Manual Warning: The AXP 2.0 oven takes time to return to safe-handling temperatures. Use extreme caution in handling samples as they can retain significant heat long after the thermal cycle is complete. In addition, the HMI screen shows the sample temperature, which may not be an accurate indicator of the temperature of other oven components.

  • Page 16: Plc Logic Conditions

    TherMoiré AXP 2.0 User Manual 4 PLC Logic Conditions In place of a standalone temperature controller the AXP 2.0 has moved to a PLC (programmable logic controller) based control scheme. This allows more flexibility to the overall system design and operation of the various electro and electro-mechanical devices used for temperature control and safety protections.

  • Page 17: Lid Operation And Lockouts

    TherMoiré AXP 2.0 User Manual Warning: Objects within the oven may remain dangerously hot even after the over-temp controller unlocks the oven. 2. Press the Reset button on the front control panel. Lid Operation and Lockouts Unlike its predecessor, the AXP 2.0 now has two lid opening mechanisms. These are known as the Main lid and Glass lid.

  • Page 18: Heater/Blower/Exhaust Controls

    TherMoiré AXP 2.0 User Manual Note: The glass lid cannot be opened (using the Lid Release and Motion enable buttons) until TC1 and TC2 fall below 50°C, and TC9 falls below 40°C. In the event the operator needs emergency access to the oven, the oven lid interlock can be opened with a mechanical over-ride key.
  • Page 19 TherMoiré AXP 2.0 User Manual is cut by 75%. Also, when the Exhaust turns off the max allowed power output is cut by 75% for 10 seconds. 4.3.3 Exhaust The following conditions apply to Exhaust on/off commands. Anytime the Exhaust turns on, the damper valve on the back of the system opens.

  • Page 20: Troubleshooting

    TherMoiré AXP 2.0 User Manual 5 Troubleshooting Troubleshooting Data Acquisition As with any measurement system, the AXP 2.0 has its limitations. These limitations exist because: 1. The shadow moiré technique with phase stepping analysis is sensitive to the optical properties of the samples measured, and 2.
  • Page 21 TherMoiré AXP 2.0 User Manual convection between the sample and the (relatively) cool grating and prevents flow of heated air across the top of the sample. 4. Measure During Cooling Near isothermal conditions can be achieved on a transient basis by raising the sample temperature above the temperature point at which the measurement is to be made, and turning off power to the IR heater bank, e.g., setting the temperature controller set point to zero for several seconds.

  • Page 22: Appendix A - Miscellaneous Information

    TherMoiré AXP 2.0 User Manual Appendix A - Miscellaneous Information A.1 Equipment Ratings Electrical Supply Voltage 230VAC, 50/60 Hz, 3Φ Delta Full Load Amp Rating 45 A SCCR 10kA @ 230VAC Mechanical Footprint 1285 (w) x 1025 (d) x 1780 (h) mm Weight 575 kg, 800 kg crated for shipment Condensation drain from Blower system, Ø...

  • Page 23: Transport

    TherMoiré AXP 2.0 User Manual A.3 Transport When transporting the TherMoiré AXP 2.0 system to a new location, Akrometrix recommends that certain components be removed from the system and packed separately. These include: • Gratings • Computer, graphics card, monitor, keyboard and mouse •...

  • Page 24: Ventilation

    A.6.1 Stage Lubrication A syringe of lubricant called Lubriplate (see Figure A.2) is supplied with each Akrometrix system. This lubricant should be applied to the stage leadscrews at 6 month intervals. The procedure to do so is as follows. Figure A.2 Lubriplate Stage Lubricant 1.

  • Page 25: Oven Lid Interlock Bypass

    A.6.2 Servicing the Light Source The LED light source in the AXP 2.0 has a serviceable life of ~50,000 hours. If any problems are encountered with this light source, contact your local Akrometrix representative for repair or replacement. A.6.3 Replacing Thermocouples 1.

  • Page 26: Oven Over-Temperature Switch

    TherMoiré AXP 2.0 User Manual Warning: Opening the Oven Lid Interlock using the mechanical over-ride key can expose the operator to harm. The interlock should never be left in the mechanical over-ride position during system operation. 1. Insert the appropriate Interlock Key (Figure A.1) into the side of the solenoid interlock mechanism.
  • Page 27 TherMoiré AXP 2.0 User Manual Warning: Avoid contact with the eyes. This product has a NFPA Health rating of 1. In the event of eye contact, rinse immediately with plenty of water for at least 15 minutes. Seek medical attention if irritation develops or persists.

  • Page 28: Appendix B - Blower A/C Units

    Be aware that the Blower A/C units will produce condensation during use, particularly in more humid environments. Akrometrix uses a hose to route the condensation from each A/C Unit to the rear of the system where a 3/8” quick disconnect fitting is located.
  • Page 29 TherMoiré AXP 2.0 User Manual Figure B.2 Drain Hose Routing Figure B.3 Condensation Drain Hole B.2.1 Ambient Air Filter It is recommended that the ambient air filter be checked and cleaned regularly, at least every 6 months, or more frequently depending on dust levels. To check the condition of the air filter, remove the lower left side panel from the AXP 2.0.

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