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Operating Instructions

Temperature Controller
Type 301
English / °C
MC16-EN – 1.04

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Table of Contents
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Summary of Contents for Carbolite Type 301

  • Page 1: Operating Instructions

    Operating Instructions Temperature Controller Type 301 English / °C MC16-EN – 1.04...
  • Page 2: Table Of Contents

    Introduction Contents Section Title Page Introduction to the Controller and Manual Using This Manual PID Control Key Stroke Diagrams Basic Operation Keys Indicators Menu System Home display Hold Mode Checking the Temperature Setpoint from the Home display Changing the Temperature Setpoint Changing the Temperature Setpoint Ramp Rate Changing the Timer Time Advanced Operation...
  • Page 3 Contents Overtemperature protection Overtemperature (O/T) Home Display Changing the Overtemperature Limit Checking the Overtemperature sensor temperature Overtemperature Protection Calibration Overtemperature Activation Resetting Overtemperature Activation RS232 Communication 10.1 RS232 Communication Addressing: 10.2 RS232 Communication Cables Navigation Diagrams Controller Fault 12.1 Fault Code Diagnostic Table Glossary of Terms MC16-EN–...
  • Page 4: Introduction To The Controller And Manual

    Introduction 1 Introduction to the Controller and Manual Using This Manual This manual aims to explain how to set up and operate the 301 controller; it must be read in conjunction with the product main manual. Due to the complex nature of furnace or oven control the use of technical terms throughout this manual is unavoidable.
  • Page 5: Basic Operation

    Basic Operation 2 Basic Operation Keys The Page key is used to scroll through the Page Key parameters and switch between menus. The Timer key is used to start, view, pause Timer Key and reset the timer. The Arrow keys are used to adjust the value of the selected Arrow Keys parameter and pause the output...
  • Page 6: Home Display

    Basic Operation Home display The Home display is the first display you see when the controller is switched on. It shows the actual temperature of the furnace or oven and will be referred to as PV throughout this manual. If you enter the menus, the controller will automatically return to the Home display if no keys are pressed for 30 seconds.
  • Page 7: Checking The Temperature Setpoint From The Home Display

    Basic Operation Checking the Temperature Setpoint from the Home display Start at the Home display Press an Up or Down arrow key. The display will then flash SP%C 3 times. The Setpoint will show on the display for 3 seconds before returning to the Home display. Changing the Temperature Setpoint SP%C Start at the Home display...
  • Page 8: Advanced Operation

    Advanced Operation 3 Advanced Operation Entering the Set Up menu Hold Start at the Home display. Press and hold the Page key for 1.5 seconds The display will change to the first parameter in the set up menu. Changing the Timer Type t.tYP Hold Start at the Home display.
  • Page 9: Changing The Maximum Output Power

    Advanced Operation Changing the Maximum Output Power Note: Output Power is a product specific setting and will not appear on all furnaces and ovens See section 7 for more information on Output Power. OPHi Hold Start at the Home display. Press and hold the Page key for 1.5 seconds to enter the set up menu.
  • Page 10: Temperature Setpoint Ramp Rate

    Ramp Dwell Programming 4 Temperature Setpoint Ramp Rate Setpoint Ramp Rate The setpoint ramp rate controls the rate at which the temperature in a furnace or oven changes over 1 minute. It can be set for heating and cooling applications. Setpoint ramp rate is useful when materials susceptible to thermal shock are being used.
  • Page 11: Resetting The Timer

    Ramp Dwell Programming Resetting The Timer Hold When the Timer count has ended or the timer is paused. Start at the Home display Press and hold the Timer key for 1.5 seconds rst is displayed to indicate timer reset. Timer Function Description The 301 controller has an in-built timer, which can be set to one of five types: Timer Type t1 On pressing the Timer key;...
  • Page 12: Timer Function Table

    Ramp Dwell Programming Timer Function Table On completion On Pressing the During the T.tYP of the Timer key Countdown Countdown Output Starts when Setpoint Timer Counts Down reached Flashes t1 3 times. Display Cycling PV / End Shows Time left for 3 secs. Timer Flashing until setpoint reached...
  • Page 13: Ramp Dwell

    Ramp Dwell Programming 6 Ramp Dwell Programming The 301 controller has the capability to follow a Ramp Dwell program. Setpoint Dwell time Natural cool ramp rate down SPrr Time Setting up a Ramp Dwell program Set the Controller to Hold Mode: Hold Together Start at the Home display Press and hold the Up and Down arrow keys together for 1.5 seconds.
  • Page 14 Ramp Dwell Programming Set the Temperature setpoint. SP%C Start at the Home display Press the Page key until SP%C shows on the display Use the Up and Down arrow keys to alter the value (°C) The value will then be stored without any further input. Set the Setpoint ramp rate SPrr Press the Page key until SPrr shows on the display.
  • Page 15: Maximum Output Setting

    Customer Calibration 7 Maximum Output Setting Depending on the furnace or oven model the maximum output power setting OPHi may be accessible or hidden. For silicon carbide heated furnaces the parameter is accessible to allow compensation for element ageing, refer to the product manual for details. In many models the maximum output power setting depends on the supply voltage, refer to the product manual for details.
  • Page 16: Dual Point Calibration - C.cl2

    Customer Calibration 8.2.1 Changing the Single Point Calibration Offset OFSt CL.St OFSt Hold If starting from Home Display If password required Starting from CL.St after C.CL1 has been selected. Press the Page key until OFSt shows on the display. Press the Up or Down arrow key to display the current calibration offset. Press the Up or Down arrow key to change the offset value.
  • Page 17: Changing The Calibration, Low Temperature Offset - Ofs.l

    Customer Calibration Changing the Calibration, Low Temperature Offset - OFS.L CAL.L OFS.L Hold If starting from Home Display If password required OFS.L follows on from CAL.L when the Page key is pressed. Press the Up or Down arrow key to display the current calibration low offset. Press the Up or Down arrow key to alter the low offset value.
  • Page 18: Overtemperature Protection

    Overtemperature Protection 9 Overtemperature protection Overtemperature protection is an option on the 301 controller. An independent control circuit and temperature sensor provide the over temperature protection. There are two reasons for overtemperature protection: 1. To prevent the material being used in a furnace or oven from over-heating. 2.
  • Page 19: Changing The Overtemperature Limit

    Overtemperature Protection Changing the Overtemperature Limit Note: If protection of the sample being processed is required, the overtemperature limit is normally set 15 C above the temperature setpoint of the controller. If protection of the furnace or oven is required, the overtemperature limit is normally set 15 C above the maximum setpoint of the furnace or oven.
  • Page 20: Overtemperature Activation

    Overtemperature Protection Overtemperature Activation When an overtemperature circuit is fitted and is operating, the overtemperature indicator is green. When the temperature of the furnace or oven goes above the overtemperature limit, the overtemperature circuit activates. The power supply to the heating elements is cut and the overtemperature indicator changes to flashing red.
  • Page 21: Rs232 Communication Cables

    Overtemperature Protection 10.2 RS232 Communication Cables Connecting the furnace or oven to a computer is done via a “straight” cable as follows: Furnace end of cable male RS232 Cable: furnace to PC Computer end of cable 9-pin female 9-pin 11 Navigation Diagrams Overtemp Home Home Menu Menu...
  • Page 22: Controller Fault

    E - followed by Turn the furnace or oven off and back on to see if numerical Controller error this clears the error. If not contact Carbolite Engineering Services – (see back cover) code 13 Glossary of Terms Process Value (PV) The actual temperature of the furnace or oven.
  • Page 23 Navigation Diagrams MC16-EN-1.04...
  • Page 24 Carbolite Engineering Services Telephone: +44 (0)1433 624242 Fax: +44 (0)1433 624243 Email: service@carbolite.com Carbolite, Parsons Lane, Hope, Hope Valley, S33 6RB, England. Telephone: +44 (0)1433 620011 Fax: +44 (0)1433 621198 E-mail: info@carbolite.com MC16 – 1.04 11/12/13 Copyright © 2013 Carbolite Limited...

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