TPS miniCHEM-Temp Manual
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TPS miniCHEM-Temp Manual

Process monitor
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Congratulations !
Your new miniCHEM-Temp monitor is the latest in simple, reliable process
monitoring instrumentation. With correct operation and maintenance, your
miniCHEM-Temp will give you many years of reliable service.
The miniCHEM-Temp is a breeze to operate. This manual has been designed to
help you get started, and also contains some handy application tips. If at any
stage you require assistance, please contact either your local TPS representative
or the TPS factory in Brisbane.
The manual is divided into the following sections:
1. Table of Contents
Each major section of the handbook is clearly listed. Sub-sections have also
been included to enable you to find the information you need at a glance.
2. Introduction
The introduction has a diagram and explanation of the display and controls of
the miniCHEM-Temp. It also contains a full listing of all of the items that
you should have received with the unit. Please take the time to read this
section, as it explains some of items that are mentioned in subsequent
sections.
3. Main Section
The main section of the handbook provides complete details of the
miniCHEM-Temp, including operating modes, calibration, troubleshooting,
specifications, and warranty terms.
4. Appendices
Appendices containing background information and application notes are
provided at the back of this manual.
TPS Pty Ltd
4 Jamberoo Street
Springwood, Brisbane,
Australia, 4127
Phone
: (07) 32 900 400
International : 61 7 32 900 400
Fax
: (07) 3808 4871
International : 61 7 3808 4871
Email
: tps@tps.com.au
miniCHEM-Temp
Process Monitor
Handbook Version : 2.0
Date
: 15-Feb-00
Author
: MS

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Summary of Contents for TPS miniCHEM-Temp

  • Page 1 The introduction has a diagram and explanation of the display and controls of the miniCHEM-Temp. It also contains a full listing of all of the items that you should have received with the unit. Please take the time to read this section, as it explains some of items that are mentioned in subsequent sections.
  • Page 2 Page 1 Web Site : www.tps.com.au...

  • Page 3: Table Of Contents

    Page 2 Contents Introduction....................3 1.1 miniCHEM-Temp Illustration................3 1.2 Unpacking Information..................5 1.3 Specifications....................6 Operating Modes..................7 Installation and Set-up................8 3.1 Connection and Configuration Diagram............8 3.2 Mounting the Enclosure..................9 3.3 Mounting the Sensor..................9 3.4 Terminal Connections..................10 3.5 Setting the Control Limit ................

  • Page 4: Introduction

    Page 3 1. Introduction 1.1 miniCHEM-Temp Illustration...
  • Page 5 The Function Switch is used to select the mode of operation. See section 2. ± Display Window The miniCHEM-Temp has a large, easy to read LCD display. The units of measurement are clearly shown in the window beneath the display. Æ...

  • Page 6: Unpacking Information

    Page 5 1.2 Unpacking Information Before using your new miniCHEM-Temp, please check that the following accessories have been included: Part No 1. miniCHEM-Temp Process Monitor.......114140 2. miniCHEM-Temp Handbook........130050 Options that may have been ordered with your miniCHEM-Temp: Temperature Sensors… 1. Dip type Temperature sensor, 5m ......114200 2.

  • Page 7: Specifications

    Page 6 1.3 Specifications Ranges .................. 0 to 100.0 Resolution ....................0.1 Accuracy....................±0.1 Linearity ....................±0.1 Repeatability ..................±0.1 Ambient Drift ................ <0.02% Span / Long term drift................<0.1% per year Calibrate Range..................±10 Sensor ................4401 Silicon Transistor Enclosure .............Polycarbonate, waterproof to IP65 Display..........

  • Page 8: Operating Modes

    : Switch to MANUAL to manually activate the Temperature control device when the optional relay output is fitted. The relay output will be activated for as long as the miniCHEM-Temp is in this mode, regardless of the Temperature reading. See section 7.

  • Page 9: Installation And Set-Up

    Page 8 3. Installation and Set-up 3.1 Connection and Configuration Diagram The diagram below is provided as a reference for the terminal connections, configuration jumpers and user-adjustable trimmers that are discussed throughout this section.

  • Page 10: Mounting The Enclosure

    Page 9 3.2 Mounting the Enclosure The miniCHEM-Temp can be wall-mounted with 3 screws. Two mounting points are located underneath the terminal cover, and are positioned so that they do not affect the waterproofing of the enclosure. The third mounting point is centrally located near the top of the rear of the enclosure, and has been designed to hook over a screw-head.

  • Page 11: Terminal Connections

    Page 10 3.4 Terminal Connections Note: The power connections detailed below are for normal mains power. Refer to section xxx for power wiring details when the 12V DC power option is fitted. Terminal No. Connection Colour Cable Shield Shield/Braid. Usually covered with Green sleeving.

  • Page 12: Setting The Control Limit

    Page 11 3.5 Setting the Control Limit The control limit can be set over the full scale of the miniCHEM-Temp, as a “too high” or a “too low” trip point. The hysteresis around this set point can be also be adjusted, if necessary.
  • Page 13 Turning the HYSTERESIS clockwise increases the hysteresis and turning it anti-clockwise decreases the hysteresis. TPS DOES NOT recommend that this setting be altered, unless it is absolutely necessary. The HYSTERESIS trimmer should only be adjusted a little at time. The process being controlled should then be closely monitored over a time to ensure that the desired control is being achieved.

  • Page 14: Selecting Current Or Voltage Output

    The jumper settings for 0 to 1V DC output are: Note that the spare jumper has been fitted to a spare Current/Voltage Output jumper pin. This is a safe place to keep it, in case the miniCHEM-Temp needs to be reset to current output in the future.

  • Page 15: Calibrating The 4 To 20Ma Output

    TPS has provided calibration controls for the 4mA and 20mA points in case this requires adjustment in the field. Only a limited amount of adjustment is available, as the miniCHEM-Temp is designed for 4 to 20mA output for the full scale of the instrument.

  • Page 16: Calibration

    6. The miniCHEM-Temp is now calibrated and ready for Temperature measurements. 4.2 Calibration Notes 1. The miniCHEM-Temp does not need to be re-calibrated unless the Temperature sensor is replaced, unless the ZERO control is inadvertently adjusted.

  • Page 17: Process Monitoring

    Page 16 5. Process Monitoring Once the miniCHEM-Temp has been installed, connected and calibrated, it can be used for continuous monitoring. To monitor the process, WITHOUT any control or alarm functions switch the function switch to STANDBY. 6. Automatic Dosing For Automatic Alarming or Control, switch the function switch to AUTO to enable the Alarm LED and the (optional) relay output.

  • Page 18: Troubleshooting

    2. Mains power input Check connections (see section incorrectly connected. 3.4). 3. Instrument is faulty. Return to TPS for repair. Alarm LED or 1. Limit not set correctly for Set the Lo/Hi Output jumpers (optional) relay “too high” or “too low”...

  • Page 19: Temperature Troubleshooting

    Page 18 9.2 Temperature Troubleshooting Symptom Possible Causes Remedy Meter displays 1. Sensor not connected or Check sensor connections not connected correctly. (section 3.4). "-1. " or large negative reading 2. Sensor is faulty. Replace sensor. (eg. "-180.0" Meter displays the Meter is switched to "SET Switch meter to "STANDBY"...

  • Page 20: Warranty

    TPS Pty. Ltd. has a fine reputation for prompt and efficient service. In just a few days, our factory service engineers and technicians will examine and repair your equipment to your full satisfaction.
  • Page 21 Page 20 Please check that the following is enclosed with your equipment: • Your Name and daytime phone number. • Your company name, ORDER number, and return street address. • A description of the fault. (Please be SPECIFIC.) (Note: "Please Repair" does NOT describe a fault.) Your equipment will be repaired and returned to you by air express where possible.

  • Page 22: Appendices

    Page 21 11. Appendices 11.1 Terminal connections when 12V DC option is fitted Terminal No. Connection Colour Cable Shield Shield/Braid. Usually covered with Green sleeving. Positive Temperature Signal Clear or White Negative Temperature Signal Black +ve of current or voltage output Customer-defined -ve of current or voltage output Customer-defined...

  • Page 23: Relay Output Wiring Examples For Mains Powered Unit

    Page 22 11.2 Relay Output Wiring Examples for mains powered unit The diagrams below provide some examples of wiring the (optional) relay output for standard mains powered miniCHEM-Temp units.

  • Page 24: Relay Output Wiring Examples For 12V Dc Powered Units

    Page 23 11.3 Relay Output Wiring Examples for 12V DC powered units The diagrams below provide some examples of wiring the (optional) relay output for miniCHEM-Temp units with the 12V DC power option.

  • Page 25: Drilling Template

    Page 24 11.4 Drilling Template The template below is for the three mounting positions for the miniCHEM enclosure. This template is actual size, and can be photocopied or removed as required.

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