ABB 4600 Series Operating Instructions Manual
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ABB 4600 Series Operating Instructions Manual

Oxygen transmitters,for use with zgp2 probes
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4600 Series
ABB Instrumentation
Operating Instructions
Models 4681 and 4686
Oxygen Transmitters,
for use with ZGP2 Probes
20.0
% Oxygen 700°C
A1
A2

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Summary of Contents for ABB 4600 Series

  • Page 1 Operating Instructions 4600 Series Models 4681 and 4686 Oxygen Transmitters, for use with ZGP2 Probes 20.0 % Oxygen 700°C ABB Instrumentation...
  • Page 2 St Neots, U.K. – Cert. No. Q5907 environmental applications. Stonehouse, U.K. – Cert. No. FM 21106 As a part of ABB, a world leader in process automation technology, we offer customers application expertise, service and support worldwide. EN 29001 (ISO 9001) We are committed to teamwork, high quality manufacturing, advanced technology and unrivalled service and support.

  • Page 3: Table Of Contents

    CONTENTS Section Page Section Page INTRODUCTION ............2 CONTROLS AND DISPLAYS ........11 Displays ............11 Switch Functions ..........11 PREPARATION ............. 2 Checking the Code Number ......2 2.1.1 Wall-/Pipe-mounted Instruments ..2 OPERATION ............... 12 2.1.2 Panel-mounted Instruments ....2 Instrument Start-up ..........

  • Page 4: Introduction

    1 INTRODUCTION 2 PREPARATION 2.1 Checking the Code Number The Models 4681 and 4686 Oxygen Transmitters are designed for continuous monitoring of Oxygen content in 2.1.1 Wall-/Pipe-mounted Instruments – Fig. 2.1 applications using 'in situ' ZGP2 probes. Operation and programming of each Transmitter is via four tactile membrane switches and a digital display located on the front of the instrument.

  • Page 5: Mechanical Installation

    3 MECHANICAL INSTALLATION 3.1 Siting Requirements Caution. • Mount in a location free from excessive vibration. Maximum Distance • Mount away from harmful vapours and/or dripping 100m fluids. Information. It preferable mount instrument at eye level, allowing an unrestricted view of A –...

  • Page 6: Mounting

    …3 MECHANICAL INSTALLATION 3.2 Mounting 3.2.1 Wall-/Pipe-mounted Instruments – Figs. 3.2 and 3.3 Dimensions in 42 (1.65) mm (in) 68 (2.68) 160 (6.3) (8.43) (9.13) (9.84) Allowance for 69 (2.72) 200 (7.9) Cable Bends Fixing Centers 61 (2 3 / 8 ) O.D. Vertical or Horizontal Post Fig.

  • Page 7: Panel-Mounted Instruments

    3 MECHANICAL INSTALLATION …3.2 Mounting 3.2.2 Panel-mounted Instruments – Figs. 3.4 and 3.5 Dimensions in mm (in) 96 (3.78) 12 (0.47) 191 (7.52) +0.8 +0.03 (3.62 –0 –0 +0.8 –0 Panel Cut-out +0.03 (3.78) (3.62 –0 Fig. 3.4 Overall Dimensions Cut a hole in the panel (see Fig.

  • Page 8: Electrical Connections

    4 ELECTRICAL CONNECTIONS Warning. Before making any connections, ensure that the power supply, any high voltage-operated control circuits and high common mode voltages are switched off. 4.1 Access to Terminals 4.1.1 Wall-/Pipe-mounted Instruments – Fig. 4.1 Remove protection cover slide down Slacken captive...

  • Page 9: Connections, General

    These components can be connected either across the load or directly across the relay contacts. On 4600 Series instruments the RFI components must be fitted to the relay terminal block along with the supply and load wires – see Fig 4.3.

  • Page 10: Wall-/Pipe-Mounted Instrument Connections

    …4 ELECTRICAL CONNECTIONS 4.3 Wall-/Pipe-mounted Instrument Connections – Fig. 4.4 Note. Refer to Fig. 4.1 for Access to Terminals. Caution. Slacken terminal screws fully before making connections. – 5 6 7 – Thermocouple Retrans. Relay 1 Power output Relay 2 Supply Probe Themocouple...

  • Page 11: Panel-Mounted Instrument Connections

    4 ELECTRICAL CONNECTIONS… 4.4 Panel-mounted Instrument Connections – Fig. 4.5 Note. Refer to Fig. 4.1 for Access to Terminals. Caution. Slacken terminal screws fully before making connections. Earth Stud Retransmission output – Normally Closed Common Relay 1 Normally Open Normally Closed Common Relay 2 Normally Open...

  • Page 12: Selecting The Mains Voltage

    …4 ELECTRICAL CONNECTIONS 4.5 Selecting the Mains Voltage 4.5.1 Wall-/Pipe-mounted Instruments – Fig. 4.6 Remove cap and screw Information. Use a small, flat-bladed screwdriver to remove Remove front the screw cap from the case. panel Slacken captive screws and remove protection cover Select the mains voltage required...

  • Page 13: Controls And Displays

    5 CONTROLS AND DISPLAYS 5.1 Displays – Fig. 5.1 5.2 Switch Functions – Fig. 5.2 The display comprises a 5-digit, 7-segment digital upper display line and a 16-character dot-matrix lower display line. In operation, the upper display line shows actual values of % Advance to oxygen, temperature, cell millivolts or alarm set points.

  • Page 14: Operation

    6 OPERATION 6.1 Instrument Start-up Ensure all electrical connections have been made correctly and apply power to the instrument. 6.2 Operating Page The operating page is a general use page in which continuously updated measured values and preset parameters can be viewed but not altered.

  • Page 15: Programming

    7 PROGRAMMING...

  • Page 16: Single-Point Calibration

    …7 PROGRAMMING Note. Before commencing a gas calibration procedure the analyzer and probe must be switched on and allowed to run for at least one hour to allow the system to stabilize thermally. 7.1 Single-point Calibration The calibration sequence involves standardizing the analyzer and the oxygen probe, using air as the test gas. Until a calibration sequence has been completed successfully, the existing slope remains unaffected.

  • Page 17: Two-Point Calibration

    7 PROGRAMMING… 7.2 Two-point Calibration Oxygen Calibration Sequence ----- OXYGEN CAL. SEQ, Cell Zero mV 0. 0 The upper display shows the millivolt offset of the oxygen probe from the last successful calibration. Cell Constant mV Span % of Theory 100.
  • Page 18 …7 PROGRAMMING …7.2 Two-point Calibration Continued from previous page Calibration Pass/Fail ----- On completion a calibration status message is displayed. Calibration Pass: Calibration sequence successful Calibration Pass Failed Constant: Cell offset >±10mV Failed Constant (upper display shows cell constant) Cell output <90% or >110% of slope Failed Span %: Failed Span (upper display shows measured slope)

  • Page 19: Preset Calibration

    7 PROGRAMMING… 7.3 Preset Calibration Oxygen Calibration Sequence ----- OXYGEN CAL. SEQ. Cell Zero mV 0. 0 The upper display shows the millivolt offset of the oxygen probe from the last successful calibration. Cell Zero mV Span % of Theory 100.

  • Page 20: Access To Secure Parameters Page

    …7 PROGRAMMING 7.4 Access to Secure Parameters Page A 5-digit security code is used to prevent tampering with the secure parameters. Security Code ----- [00000 to 199999] If an incorrect value is entered, access to programming pages is inhibited. Security Code Press to advance to the Language Selection Page...

  • Page 21: Set Up Thermocouple Page

    7 PROGRAMMING… 7.6 Set Up Thermocouple Page Set Up Thermocouple ----- Page header SET UP T/C Thermocouple Type ----- Set the thermocouple type required: Type K, R, S, B or NONE. If thermocouple type is set to NONE, a preset temperature must be used – see below. T/C Type NONE Preset Temperature...

  • Page 22: Set Up Outputs Page

    …7 PROGRAMMING 7.7 Set Up Outputs Page Set Up Outputs ----- Page header SET UP OUTPUTS Alarm A1 Action ----- Set the required alarm action from the following table: A1 Action The set point band is defined as the actual value of the set point plus or minus the hysteresis value.
  • Page 23 7 PROGRAMMING …7.7 Set Up Outputs Page Continued from previous page Retransmission Zero 00. 0 0 Set the required retransmission zero value, in % oxygen units. [0% to 20.00% (linear output)] Retrans Zero [0.01% to 0.25% (logarithmic output)]. Retransmission Span 25.

  • Page 24: Appendix A - Electrical Calibration

    APPENDIX A – ELECTRICAL CALIBRATION Note. The instrument is calibrated by the company prior to despatch and an electrical calibration should be carried out if the instrument's accuracy is suspect suitably calibrated test equipment is available. only A1 Equipment Required a) Millivolt source (cell input simulator), –20.0 to 180.0mV.

  • Page 25: A3 Electrical Calibration Page

    APPENDIX A – ELECTRICAL CALIBRATION A3 Electrical Calibration Page x x x x x In this section the actual values denoted by ' ' are unimportant and are used to determine display reading stability when carrying out the electrical calibration procedure. Electrical Calibration Page ----- (To access this page refer to Fig.
  • Page 26 NOTES...
  • Page 27 PRODUCTS & CUSTOMER SUPPORT A Comprehensive Instrumentation Range Customer Support Analytical Instrumentation ABB Instrumentation provides a comprehensive after sales service via a Worldwide Service Organization. Contact one of • Transmitters the following offices for details on your nearest Service and...
  • Page 28 The Company’s policy is one of continuous product improvement and the right is reserved to modify the information contained herein without notice. © ABB 2000 Printed in UK (05.00) ABB Instrumentation Ltd ABB Automation Inc. ABB Instrumentation SpA Stonehouse, Glos...

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