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Tracerco Optimus T221 Operation Manual

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Operation Manual
T221 Optimus
Author:
Paul Storey
Date:
10 December 2019
Document no.: MD1064- F

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Summary of Contents for Tracerco Optimus T221

  • Page 1 Operation Manual T221 Optimus Author: Paul Storey Date: 10 December 2019 Document no.: MD1064- F...

  • Page 2: Table Of Contents

    Table of Contents Introduction ....................4 Referenced Documents ................4 Safety Information ..................5 Conditions of Use ..................5 Radiation Protection .................. 5 Hazardous Area ..................5 Manual Handling ..................5 System Description ..................6 Principle of Operation ................6 System Overview ..................
  • Page 3 6.2.3 Status Information ................21 6.2.4 Device Specific HART 7 Commands ............25 Servicing and Maintenance ................. 28 Source Container ..................28 PRI150 Radiation Detector(s) ..............28 Optimus™ Control Module ................ 28 Appendix A – PRI150 Technical Data ............29 Appendix B –...

  • Page 4: Introduction

    Tracerco Document MD1065 – T221 Quick Start Calibration • Tracerco Document MD1014 – PRI150-A-4 Essential Safety Information • Tracerco Document CPI0039 – PRI150 EU Declaration of Conformity • Tracerco Document CPD1013 – T221 EU Declaration of Conformity • Tracerco Document TD1071 – T221 HART Field Device Specification...

  • Page 5: Safety Information

    Contact Tracerco for further information. The Essential Safety Information relating to the installation of this product in a hazardous area is available in Tracerco Document MD1014 and must be consulted for safe operation. 2.4 Manual Handling The Optimus™ system comprises of one or more source containers that can weigh in excess of 100kg.

  • Page 6: System Description

    System Description 3.1 Principle of Operation The Optimus™ system provides a non-contact accurate liquid level measurement in vessels in the presence of build-up on the vessel walls. Figure 1 shows two examples of measurement systems. Figure 1. Example configurations. Each radiation source in the system emits a collimated beam of radiation through the process to the PRI150 radiation detector(s).

  • Page 7: System Overview

    • Tracerco T221 Optimus™ control module • HART Modem and PC with Tracerco ToolBox software (for diagnostics and logging) Figure 2. System overview. Together, these components provide an accurate level measurement system that is independent of the build-up on the vessel walls. The level is available as a 4-20mA signal or via the HART 7 interface where additional diagnostic information is also available.

  • Page 8: Pri150 Radiation Detector

    whilst providing shielding in all other directions. This collimated beam of radiation passes through the process and onto the PRI150 radiation detector(s). The source container has a mechanical shutter mechanism. When this mechanism is in the closed position (shutter closed) it shields the radiation from passing through the process and onto the PRI150 radiation detector(s).

  • Page 9: Optimus™ Control Module

    The PRI150 radiation detector is suitable for use in certain hazardous areas. Reference should be made to Appendix A – PRI150 Technical Data of this manual for specific details. The Essential Safety Information can be found in Tracerco Document MD1014. 3.3.3 Optimus™ Control Module The Optimus™...

  • Page 10: Measurement Arrangements

    3.4 Measurement Arrangements Optimus™ is an externally mounted system and therefore is not affected by adverse conditions in the vessel (high pressures, temperatures, corrosive liquids). The system can be used on numerous different shaped vessels. Up to four PRI150 radiation detectors can be connected to a single Optimus™ control module.

  • Page 11: Installation

    Tracerco Project Engineer. The system will have to be designed to avoid these structures in order to obtain optimum performance and allow delivery of the correct source size to achieve this performance.

  • Page 12: Optimus™ Control Module

    The sensitive length shown on the detector should be positioned in the correct measurement range on the outside of the vessel as shown on the general arrangement drawings. If this is not possible, then Tracerco must be contacted to advise on repositioning whilst maintaining optimum performance.
  • Page 13 The PRI150 requires two wires from the field. Figure 7 shows an extract from Tracerco Document DD23870 detailing the PRI150 wiring. Attention is drawn to the requirement for an internal connection between terminals 1 and 3 on the PRI150. Without this connection the device will fail to communicate with the Optimus™...

  • Page 14: Optimus™ Control Module

    Figure 8. Earthing connection on PRI150. 4.2.3 Optimus™ Control Module Figure 9 shows an extract from Tracerco Document DD23870 detailing the T221 Optimus™ wiring. The Optimus™ control module requires a nominal 24VDC supply (connected to pins 7 and 8) and consumes < 2W. The input voltage range is 20 to 35VDC.
  • Page 15 The Optimus™ control module inputs provide the required 250Ω impedance required for HART communications. Optimus™ has been designed to handle up to 80mA combined input current. All of the input channel terminals are connected in parallel in the Optimus™ control module.
  • Page 16 4.2.3.3 Local Display There are six LEDs on the front of the Optimus™ control unit. This is shown in Figure 10. These indicators make up a multifunction display that reflects the current power, communication and status of the control module. Each LED has the capable of being RED, YELLOW or GREEN.

  • Page 17: Software Installation

    Refer to the Tracerco ToolBox documentation. Currently, there is no HART device descriptor available. However, the necessary HART details are provided to implement advance functionality in your DCS. Refer to Tracerco Document TD1071 T221 HART Field Device Specification for complete details.

  • Page 18: Commissioning And Calibration

    The Tracerco ToolBox software provides the necessary tools to perform a complete calibration. Figure 11. Tracerco ToolBox. Please refer to Tracerco Document MD1065 – T221 Quick Start Calibration for a complete guide through the calibration procedure. MD1064 Rev. F...

  • Page 19: Operation

    The following sections provide the basic HART information required to obtain status information from the device. For a complete description of the HART implementation please refer to Tracerco document TD1071 T221 HART Field Device Specification. 6.2.1 Device Variables The Optimus™ controls module supports 151 Device Variables. The table below provides a summary.
  • Page 20 • Solids build up on the vessel wall • Variations in pressure. 6.2.1.2 Device Variable 1 – Maximum Build Up Optimus™ is capable of providing an up to date indication of solids build up on the vessel wall for stages that are in the gas phase. This Device Variable reports the value of the stage with the maximum build up present.

  • Page 21: Dynamic Variables

    6.2.1.9 Device Variables 79-150 – Build Up per Stage Optimus™ is capable of providing an up to date indication of solids build up on the vessel wall for stages that are in the gas phase. These Device Variables report the amount of build-up present for each stage.
  • Page 22 • Bit 4, More Status Available, indicates that further status information is available through Command 48. This bit becomes set when any of the corresponding bits in Command 48 goes from a cleared to set transition. • Bit 1, Non-Primary Variable Out of Limits, indicates that a non-PV Device Variable is beyond its operating limits.
  • Page 23 Byte Meaning Class Device More Malfunction Status Available Channel 2 Error – Hardware Write ERROR Protect Set Channel 3 Error – Hardware Write ERROR Protect Set Channel 4 Error – Hardware Write ERROR Protect Set Channel 1 Error – Incorrect Firmware ERROR Version Channel 2 Error –...
  • Page 24 “Not Used” bits are always set to 0. “Not Used” bytes are always set to 0. 6.2.3.4 Bytes 0-2 These bytes describe the current status of each channel in the system. A Channel Warning is generated when a GM tube has failed. Command 158 – Read Channel Status and Command 159 –...

  • Page 25: Device Specific Hart 7 Commands

    6.2.4 Device Specific HART 7 Commands 6.2.4.1 Command 158 – Read Channel Status This device specific command allows additional diagnostic data to be obtained from each channel in the system. This includes GM tube states and communication statistics. The following tables describe the construction of the command. Note: Channels are numbered from the bottom up.
  • Page 26 10-11 Number of Communication Errors Table 11. Command 158 response data bytes. Code Class Description Success No Command Specific Errors Error Invalid Selection (Channel = 0, Channel > 4) Error Too Few Data Bytes Received Table 12. Command 158 specific response codes. 6.2.4.2 Command 159 –...
  • Page 27 4 channels per Optimus™ control module. Therefore, up to 72 stages are available depending on system configuration. Description Stage 1 Failed Stage 2 Failed ⁞ ⁞ Stage (n + 1) Failed ⁞ ⁞ Stage 72 Failed Table 16. Failed stages bit field description (Bytes 0-8). Byte Format Description...

  • Page 28: Servicing And Maintenance

    7.1 Source Container Radiation regulations vary from country to country. The UK regulations require periodic leak tests of the sources in the container. Contact Tracerco for more information. 7.2 PRI150 Radiation Detector(s) The intrinsically safe nature of the PRI150 radiation detector means that there are no user serviceable parts.

  • Page 29: Appendix A - Pri150 Technical Data

    Output 4-20mA with HART 7 communications into Optimus™ control module via isolated HART repeater power supply. Configuration Tracerco ToolBox PC Software with HART Modem Electrical Powered from MTL5541 (or compatible) repeater power supply from 20 35VDC 24Vdc nominal supply 75mA 2 core twisted pairs with inner screen and braided armour Maximum cable run with 16/0.2mm cores (0.5mm2) is 1000 metres.

  • Page 30: Appendix B - Optimus™ Control Module Technical Data

    Top Hat 35mm DIN Rail Mounting Module Dimensions: L 99 x W 17.5 x D 114.5mm Figure 12. Optimus™ control module dimensions. The T221 Optimus is not registered with the FieldComm Group, EDD is available from Tracerco on request. MD1064 Rev. F...

  • Page 31: Revision History

    Revision History Author / Checked / Approved / Rev. Description Date Date Date P Storey Transfer to new template. R Ryles E Sanchez 10-Dec-19 Footnotes added to explain that 10-Dec-19 10-Dec-19 the T221 is not registered with the FieldComm Group in section 1 and Appendix B.

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