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ii Model 3000PA Teledyne Analytical Instruments Copyright © 1999 Teledyne Analytical Instruments All Rights Reserved. No part of this manual may be reproduced, transmitted, tran- scribed, stored in a retrieval system, or translated into any other language or computerlanguage in whole or in part, in ...

Page 3 - iii; Percent Oxygen Analyzer; Enter Class Designation.

iii Percent Oxygen Analyzer Teledyne Analytical Instruments Specific Model Information The instrument for which this manual was supplied may incorporate one or more options not included with the standard instrument. Commonly availableoptions are listed below, with check boxes. Any that are incorpora...

Page 4 - iv

iv Model 3000PA Teledyne Analytical Instruments Table of Contents 1 Introduction 1.1 Overview ........................................................................ 1-11.2 Typical Applications ....................................................... 1-11.3 Main Features of the Analyzer ...............

Page 6 - COMBUSTIBLE GAS USAGE WARNING; DANGER

vi Model 3000PA Teledyne Analytical Instruments COMBUSTIBLE GAS USAGE WARNING DANGER This is a general purpose instrument designed for usage in anonhazardous area. It is the customer's responsibility to ensuresafety especially when combustible gases are being analyzedsince the potential of gas leaks...

Page 7 - Introduction; Overview

1-1 Percent Oxygen Analyzer Introduction 1 Teledyne Analytical Instruments Introduction 1.1 Overview The Teledyne Analytical Instruments Model 3000PA Percent Oxygen Analyzer is a versatile microprocessor-based instrument for detecting the percentage of oxygen in a variety ofbackground gases. This ma...

Page 8 - Versatile analysis over a wide range of applications.; Model Designations

1-2 1 Introduction Model 3000PA Teledyne Analytical Instruments • Advanced Micro-Fuel Cell, designed for percent oxygenanalysis. Several options are available. • Versatile analysis over a wide range of applications. • Microprocessor based electronics: 8-bit CMOS microprocessorwith 32 kB RAM and 128 ...

Page 10 - Analyze; CAUTION: The power cable must be unplugged to fully

1-4 1 Introduction Model 3000PA Teledyne Analytical Instruments Function Keys: Six touch-sensitive membrane switches are used to change the specific function performed by the analyzer: • Analyze Perform analysis for oxygen content of a sample gas. • System Perform system-related tasks (described in ...

Page 11 - LCD has GREEN background with BLACK characters. VFD has; Power Connection; Universal AC power source.; Gas Inlet and Outlet

1-5 Percent Oxygen Analyzer Introduction 1 Teledyne Analytical Instruments Access Door: To provide access to the Micro-Fuel Cell, the front panel swings open when the latch in the upper right corner of the panel is pressedall the way in with a narrow gauge tool. Accessing the main circuit boardrequi...

Page 12 - Note: If you require highly accurate Auto-Cal timing, use external

1-6 1 Introduction Model 3000PA Teledyne Analytical Instruments • Alarm Connections 2 concentration alarms and 1 systemalarm. • RS-232 Port Serial digital concentration signal outputand control input. • Remote Probe Used in the 3000PA for controllingexternal solenoid valves only. • Remote Span/Zero ...

Page 13 - Operational Theory; The analyzer is composed of three subsystems:; Micro-Fuel Cell Sensor; The active components of the Micro-Fuel Cell are a cathode, an anode,

2-1 Percent Oxygen Analyzer Operational Theory 2 Teledyne Analytical Instruments Operational Theory 2.1 Introduction The analyzer is composed of three subsystems: 1. Micro-Fuel Cell Sensor2. Sample System3. Electronic Signal Processing, Display and Control The sample system is designed to accept the...

Page 14 - The Micro-Fuel Cell is a cylinder only 11⁄4 inches in diameter and 1

2-2 2 Operational Theory Model 3000PA Teledyne Analytical Instruments analyzed. The Micro-Fuel Cell is therefore a hybrid between a battery and atrue fuel cell. (All of the reactants are stored externally in a true fuel cell.) 2.2.2 Anatomy of a Micro-Fuel Cell The Micro-Fuel Cell is a cylinder only...

Page 15 - Pb

2-3 Percent Oxygen Analyzer Operational Theory 2 Teledyne Analytical Instruments the oxygen sensing element—the cathode—with a surface area almost 4 cm 2 . The cathode has many perforations to ensure sufficient wetting of the uppersurface with electrolyte, and it is plated with an inert metal. The a...

Page 16 - cell at the time and (2) the amount of stored anode material.

2-4 2 Operational Theory Model 3000PA Teledyne Analytical Instruments (These reactions will hold as long as no gaseous components capable of oxidizing lead—such as iodine, bromine, chlorine and fluorine—are presentin the sample.) The output of the fuel cell is limited by (1) the amount of oxygen in ...

Page 17 - Expected life in flue gas is 8 months.

2-5 Percent Oxygen Analyzer Operational Theory 2 Teledyne Analytical Instruments Figure 2-3. Characteristic Input/Output Curve for a Micro-Fuel Cell 2.2.6 Micro-Fuel Cell “Class” TBE manufactures Micro-Fuel Cells with a variety of characteristics to give the best possible performance for any given s...

Page 18 - Sample System

2-6 2 Operational Theory Model 3000PA Teledyne Analytical Instruments Nominal output in air is 0.19 mA, and 90 % response time is 45 s. Expected life in flue gas is 8 months. 2.2.6.3 Class B-1 Cell The class B-1 cell is for use in applications where it is exposed to less than 0.1 % of carbon dioxide...

Page 19 - Figure 2-4: Piping Layout and Flow Diagram for Standard Model

2-7 Percent Oxygen Analyzer Operational Theory 2 Teledyne Analytical Instruments mizes residual gas pockets that can interfere with very low level oxygenanalysis. The sample system for the standard instrument incorporates ¼ inch tube fittings for sample inlet and outlet connections at the rear panel...

Page 20 - Electronics and Signal Processing; The Model 3000P Percent Oxygen Analyzer uses an 8031 microcon-; Figure 2-6: Location of Electronic Components

2-8 2 Operational Theory Model 3000PA Teledyne Analytical Instruments Figure 2-5: Flow Diagram 2.4 Electronics and Signal Processing The Model 3000P Percent Oxygen Analyzer uses an 8031 microcon- troller with 32 kB of RAM and 128 kB of ROM to control all signal pro-cessing, input/output, and display...

Page 21 - Figure 2-7: Block Diagram of the Model 3000P Electronics

2-9 Percent Oxygen Analyzer Operational Theory 2 Teledyne Analytical Instruments The signal processing electronics including the microprocessor, analog to digital, and digital to analog converters are located on the motherboard atthe bottom of the case. The preamplifier board is mounted on top of th...

Page 22 - In the presence of oxygen the cell generates a current. A current to

2-10 2 Operational Theory Model 3000PA Teledyne Analytical Instruments In the presence of oxygen the cell generates a current. A current to voltage amplifier converts this current to a voltage, and then the voltage isamplified in the second stage amplifier. The second stage amplifier also supplies t...

Page 23 - Installation; Installation of the Model 3000PA Analyzer includes:; Unpacking the Analyzer; The Model 3000PA is for indoor use in a general purpose area. It is

Percent Oxygen Analyzer Installation 3 3-1 Teledyne Analytical Instruments Installation Installation of the Model 3000PA Analyzer includes: 1. Unpacking 2. Mounting 3. Gas connections 4. Electrical connections 5. Installing the Micro-Fuel Cell 6. Testing the system. 3.1 Unpacking the Analyzer The an...

Page 24 - Figure 3-1: Front Panel of the Model 3000PA; Rear Panel Connections; Figure 3-3 shows the Model 3000PA rear panel. It contains all of the

3 Installation Model 3000PA 3-2 Teledyne Analytical Instruments Figure 3-1: Front Panel of the Model 3000PA All operator controls are mounted on the control panel, which is hinged on the left edge and doubles as the door that provides access to the sensorand cell block inside the instrument. The doo...

Page 25 - Figure 3-3: Rear Panel of the Model 3000PA; Remove the blue sticker from the restrictor before using.

Percent Oxygen Analyzer Installation 3 3-3 Teledyne Analytical Instruments Figure 3-3: Rear Panel of the Model 3000PA 3.3.1 Gas Connections Before using this instrument, it should be determined if the unit will be used for pressurized service or vacuum service and low pressure applica-tions. Inspect...

Page 26 - SAMPLE IN; Note: If the unit is for vacuum service, the above numbers apply; EXHAUST OUT: Exhaust connections must be consistent with the; Note: If the unit is for vacuum service, see; ZERO IN and SPAN IN (Optional): These are additional input ports

3 Installation Model 3000PA 3-4 Teledyne Analytical Instruments The unit is manufactured with 1 / 4 inch tube fittings. Six millimeter adapters are supplied for metric system installations. For a safe connection: 1. Insert the tube into the tube fitting, and finger-tighten the nut until the tubing c...

Page 27 - The universal power supply requires a 85–250 V ac, 47-63 Hz power; Fuse Installation: The fuse block, at the right of the power cord

Percent Oxygen Analyzer Installation 3 3-5 Teledyne Analytical Instruments Primary Input Power: The power cord receptacle and fuse block are located in the same assembly. Insert the female plug end of the power cordinto the power cord receptacle. CAUTION: Power is applied to the instrument's circuit...

Page 28 - System

3 Installation Model 3000PA 3-6 Teledyne Analytical Instruments Figure 3-4: Analog Output Connections Alarm Relays: The three alarm-circuit connectors are spring terminals for making connections to internal alarm relay contacts. Each provides a setof Form C contacts for each type of alarm. Each has ...

Page 29 - Zero; Remote Calibration Protocol: To properly time the Digital Remote

Percent Oxygen Analyzer Installation 3 3-7 Teledyne Analytical Instruments Digital Remote Cal Inputs: Accept 0 V (off) or 24 V dc (on) inputs for remote control of calibration. (See Remote Calibration Protocol below.) Zero: Floating input. A 5 to 24 V pulse input across the + and –terminals puts the...

Page 30 - Raw Cell Output: 99

3 Installation Model 3000PA 3-8 Teledyne Analytical Instruments Note: The Remote Probe connector (paragraph 3.3.3) provides signals to ensure that the zero and span gas valves will becontrolled synchronously. If you have the –C Internal valveoption—which includes additional zero and span gas inputs—...

Page 31 - Figure 3-6: Remote Probe Connector Pinouts

Percent Oxygen Analyzer Installation 3 3-9 Teledyne Analytical Instruments st<enter> Toggling input. Stops/Starts any status message output fromthe RS-232, until st<enter> is sent again. The RS-232 protocol allows some flexibility in its implementation. Table 3-2 lists certain RS-232 val...

Page 32 - Installing the Micro-Fuel Cell; The Micro-Fuel Cell is not installed in the cell block when the; Testing the System; Before plugging the instrument into the power source:

3 Installation Model 3000PA 3-10 Teledyne Analytical Instruments Figure 3-7: FET Series Resistance 3.4 Installing the Micro-Fuel Cell The Micro-Fuel Cell is not installed in the cell block when the instrument is shipped. It must be installed before the analyzer is placed inservice. Once it is expend...

Page 33 - Operation; Once the analyzer has been installed, it can be configured for your

Percent Oxygen Analyzer Operation 4 4-1 Teledyne Analytical Instruments Operation 4.1 Introduction Once the analyzer has been installed, it can be configured for your application. To do this you will: • Set system parameters: • Establish a security password, if desired, requiring Operatorto log in. ...

Page 34 - Enter

4 Operation Model 3000PA 4-2 Teledyne Analytical Instruments 4.2 Using the Data Entry and FunctionButtons Data Entry Buttons: The < > arrow buttons select options from the menu currently displayed on the VFD screen. The selected option blinks. When the selected option includes a modifiable ite...

Page 35 - Figure 4-1: Hierarchy of Functions and Subfunctions; Monospaced; The; : Used to define an automatic calibration sequence; PSWD

Percent Oxygen Analyzer Operation 4 4-3 Teledyne Analytical Instruments Figure 4-1: Hierarchy of Functions and Subfunctions duced, at the appropriate point in the procedure, in a Monospaced type style. Pushbutton names are printed in Oblique type. 4.3 The System Function The subfuctions of the Syste...

Page 36 - : Logging out prevents an unauthorized tampering with; More; : The instrument performs a self-diagnostic test to; If you cannot read anything on the display after first powering up:

4 Operation Model 3000PA 4-4 Teledyne Analytical Instruments operation, such as setting the instrument span or zero setting,adjusting the alarm setpoints, or defining analysis ranges. After a password is assigned, the operator must log out toactivate it. Until then, anyone can continue to operate th...

Page 37 - won’t be able to set; Auto—Cal

Percent Oxygen Analyzer Operation 4 4-5 Teledyne Analytical Instruments 4.3.2 Setting up an Auto-Cal When proper automatic valving is connected (see chapter 3, installa- tion), the Analyzer can cycle itself through a sequence of steps that automati-cally zero and span the instrument. Note: If you re...

Page 38 - NOTE: If you use password security, it is advisable to keep a copy of; Entering the Password

4 Operation Model 3000PA 4-6 Teledyne Analytical Instruments If you have decided not to employ password security, use the default password TBEAI . This password will be displayed automatically by the microprocessor. The operator just presses the Enter key to be allowed totalaccess to the instrument’...

Page 39 - Characters Available for Password Definition:

Percent Oxygen Analyzer Operation 4 4-7 Teledyne Analytical Instruments Change Password?<ENT>=Yes <ESC>=No Press Escape to move on, or proceed as in Changing the Password, below. 4.3.3.2 Installing or Changing the Password If you want to install a password, or change an existing password...

Page 40 - Note: If you log off the system using the logout function in the

4 Operation Model 3000PA 4-8 Teledyne Analytical Instruments A A A A ARetype PWD To Verify Wait a moment for the entry screen. You will be given clearance to proceed. A A A A A<ENT> TO Proceed Use the arrow keys to retype your password and press Enter when finished. Your password will be store...

Page 42 - Shut off the gas pressure before connecting it to the analyzer, and; Cell Failure; Version Self—Test

4 Operation Model 3000PA 4-10 Teledyne Analytical Instruments 4.4 The Span Functions The analyzer is calibrated using span gas. NOTE: Zero is not necessary for Percent (%) level measurements. Additional information on Zero functions is provided in theAppendix A-6 of this manual. Although the instrum...

Page 47 - Range; Note: The ranges must be increasing from low to high. For example,

Percent Oxygen Analyzer Operation 4 4-15 Teledyne Analytical Instruments 4.6 The Range Function The Range function allows the operator to program up to three concen- tration ranges to correlate with the DC analog outputs. If no custom rangesare defined by the user, the instrument defaults to: Low = ...

Page 49 - NOTE: When performing analysis on a fixed range, if the oxygen; Voltage Signal

Percent Oxygen Analyzer Operation 4 4-17 Teledyne Analytical Instruments Press Escape to re-enter the Analyze mode using the fixed range. NOTE: When performing analysis on a fixed range, if the oxygen concentration rises above the upper limit (or default value) asestablished by the operator for that...

Page 50 - The analog output signal has a voltage which depends on the oxygen; L O

4 Operation Model 3000PA 4-18 Teledyne Analytical Instruments The analog output signal has a voltage which depends on the oxygen concentration AND the currently activated analysis range. To relate thesignal output to the actual concentration, it is necessary to know what rangethe instrument is curre...

Page 51 - Maintenance; Routine Maintenance; To have a replacement cell available when it is needed, TAI recom-

Percent Oxygen Analyzer Maintenance 5 5-1 Teledyne Analytical Instruments Maintenance 5.1 Routine Maintenance Aside from normal cleaning and checking for leaks at the gas connec- tions, routine maintenance is limited to replacing Micro-Fuel cells andfuses, and recalibration. For recalibration, see S...

Page 52 - V e r s i o n S e l f — T e s t; Check Specific Model Information in the Front Matter in this

5 Maintenance Model 3000P 5-2 Teledyne Analytical Instruments LEAD AND POTASSIUM HYDROXIDE, THAT CAN BEHARMFUL IF TOUCHED, SWALLOWED, OR IN-HALED. AVOID CONTACT WITH ANY FLUID ORPOWDER IN OR AROUND THE UNIT. WHAT MAYAPPEAR TO BE PLAIN WATER COULD CONTAINTHESE TOXIC SUBSTANCES. IN CASE OF EYECONTACT,...

Page 55 - NOTE: Evidence of damage due to tampering or mishandling will

Percent Oxygen Analyzer Maintenance 5 5-5 Teledyne Analytical Instruments 5.2.4 Installing a New Micro-Fuel Cell CAUTION: Do not touch the sensing surface of the cell. It is covered with a delicate Teflon membrane that canleak if punctured. The sensor must be replaced ifthe membrane is damaged. 1. P...

Page 56 - Fuse Replacement; Place small screwdriver in notch, and pry cover off, as shown in; Figure 5-2: Removing Fuse Block from Housing; To change between American and European fuses, remove the; System Self Diagnostic Test

5 Maintenance Model 3000P 5-6 Teledyne Analytical Instruments 5.3 Fuse Replacement 1. Place small screwdriver in notch, and pry cover off, as shown in Figure 5-2. Figure 5-2: Removing Fuse Block from Housing 2. To change between American and European fuses, remove the single retaining screw, flip Fu...

Page 57 - Major Internal Components; WARNINGS: See warnings on the title page of this manual.

Percent Oxygen Analyzer Maintenance 5 5-7 Teledyne Analytical Instruments Table 5-1: Self Test Failure Codes Power 0 OK 1 5 V Failure 2 15 V Failure 3 Both Failed Analog 0 OK 1 DAC A (0–1 V Concentration) 2 DAC B (0–1 V Range ID) 3 Both Failed Preamp 0 OK 1 Zero too high 2 Amplifier output doesn't m...

Page 58 - Cleaning

5 Maintenance Model 3000P 5-8 Teledyne Analytical Instruments Figure 5-4: Rear-Panel Screws To detach the rear panel, remove only the eight screws marked with an X. 5.6 Cleaning If instrument is unmounted at time of cleaning, disconnect the instru- ment from the power source. Close and latch the fro...

Page 59 - Troubleshooting; The analyzer may have been calibrated in an inaccurate fashion.

Percent Oxygen Analyzer Maintenance 5 5-9 Teledyne Analytical Instruments 5.7 Troubleshooting Problem: Erratic readings of the Oxygen concentration as reported by the analyzer. Possible Cause: The analyzer may have been calibrated in an inaccurate fashion. Solution: Turn the analyzer off, then back ...

Page 61 - Appendix; Packaging: General Purpose

A-1 Percent Oxygen Analyzer Appendix Teledyne Analytical Instruments Appendix A-1 Model 3000PA Specifications Packaging: General Purpose • Flush panel mount (Standard). • Rack mount — Relay rack mounted to contain either one or two instruments in one19" relay rack mountable plate (Optional). Sen...

Page 64 - Final Assembly/Outline Drawing

A-4 Appendix Model 3000PA Teledyne Analytical Instruments Figure A-1: Single and Dual 19" Rack Mounts A-3 Drawing List D-64573 Final Assembly/Outline Drawing A-4 19-inch Relay Rack Panel Mount

Page 65 - A usable flow rate for a 3000 series analyzer is one which can be; CELL PRESSURE CONCERNS:

A-5 Percent Oxygen Analyzer Appendix Teledyne Analytical Instruments 3000 SERIES ANALYZERS APPLICATION NOTES ON RESTRICTORS, PRESSURES, AND FLOW RECOMMENDATIONS 3000 series analyzers require reasonably regulated sample pressures. While the 3000 analyzers are not sensitive to variations of incoming p...

Page 66 - Example 2, A 3000PA is configured for vacuum service as follows. The

A-6 Appendix Model 3000PA Teledyne Analytical Instruments RESTRICTOR KIT The current revision of the 3000 series analyzers are supplied with a kit containing two restrictors and a union which are user installed. These partssupplied to give the end user more flexibility when installing the analyzer. ...

Page 67 - BLUE DOT

A-7 Percent Oxygen Analyzer Appendix Teledyne Analytical Instruments customer must supply a control valves (or restrictors) for any SPAN or ZERO gassource which is attached to the Auto-Cal ports. The valve should be adjusted to thesame flow rate as the sample gas . When restrictors are used, the gas...

Page 68 - Zero Cal; arrow keys to toggle between; AUTO; Manual Mode Zeroing; keys

A-8 Appendix Model 3000PA Teledyne Analytical Instruments A-6 Zero Cal The Zero button on the front panel is used to enter the zero calibration function. Zero calibration can be performed in either the automatic or manualmode. In the automatic mode, an internal algorithm compares consecutivereadings...

Page 69 - Man; Slope

A-9 Percent Oxygen Analyzer Appendix Teledyne Analytical Instruments to toggle between AUTO and MAN zero settling. Stop when MAN appears, blinking, on the display. Zero: Settling: Man <ENT> To Begin Press Enter to begin the zero calibration. After a few seconds the first of five zeroing screen...