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Percent Oxygen Analyzer

Installation  3

3-3

Teledyne Analytical Instruments

Figure 3-2: Required Front Door Clearance

3.3

Electrical Connections

Figure 3-3 shows the Model 3000MB Electrical Connector Panel.

There are terminal blocks for connecting power, communications, and both
digital and analog concentration outputs.

Figure 3-3:  Electrical Connector Panel

Содержание 3000MB

Страница 1: ...HIS MONITORING SYSTEM PERSONAL PROTECTIVE EQUIPMENT MAY BE REQUIRED WHEN SERVICING THIS SYSTEM HAZARDOUS VOLTAGES EXIST ON CERTAIN COMPONENTS INTERNALLY WHICH MAY PER SIST FOR A TIME EVEN AFTER THE PO...

Страница 2: ...t of any parts in so far as such alterations do not adversely affect our warranty ImportantNotice This instrument provides measurement readings to its user and serves as a tool by which valuable data...

Страница 3: ...hthismanualissuppliedareindicatedbyacheckmarkinthe box InstrumentSerialNumber _______________________ includesthefollowingoptions 3000MB C Inadditiontoallstandardfeatures thismodelalsohas separateport...

Страница 4: ...nal Processing 2 6 3 Installation 3 1 Unpacking the Analyzer 3 1 3 2 Mounting the Analyzer 3 1 3 3 Rear Panel Connections 3 2 3 3 1 Primary Input Power 3 4 3 3 2 Fuse Installation 3 4 3 3 3 Anolog Out...

Страница 5: ...2 Manual Mode Spanning 4 11 4 5 The Alarms Function 4 12 4 6 The Range Function 4 14 4 6 1 Setting the Analog Output Ranges 4 15 4 6 2 Autoranging Analysis 4 15 4 6 3 Fixed Range Analysis 4 15 4 7 Th...

Страница 6: ...eaks always exist The customer should ensure that the principles of operating of this equipment is well understood by the user Misuse of this product in any manner tampering with its components or una...

Страница 7: ...2 Typical Applications A few typical applications of the Model 3000MB are Monitoringinertgasblanketing Airseparationandliquefaction Chemicalreactionmonitoring Semiconductormanufacturing Petrochemicalp...

Страница 8: ...lurealarm Extensive self diagnostic testing at startup and on demand with continuouspower supplymonitoring Two way RFI protection RS 232 serial digital port for use with a computer or other digital co...

Страница 9: ...al case with all con trols and displays accessible from the front panel See Figure 1 1 The front panel has thirteen buttons for operating the analyzer a digital meter an alphanumeric display and a win...

Страница 10: ...mains returns to the Analyze screen Escape Moves VFD display back to the previous screen in a series If none remains returns to the Analyze screen Digital Meter Display The meter display is a LED devi...

Страница 11: ...on your instrument The connectors are described briefly here and in detail in the Installationchapterofthismanual Figure 1 2 Model 3000MB Rear Panel Power Connection Universal AC power source Analog O...

Страница 12: ...1 6 1 Introduction Model 3000MB Teledyne Analytical Instruments...

Страница 13: ...ns for the analyzer 2 2 Precise Paramagnetic Sensor 2 2 1 Principles of Operation The heart of the 3000MB is a paramagnetic type oxygen sensor that is maintanance free and has a long lifetime Oxygen h...

Страница 14: ...ensor enclosure holds not only the sensing elements butthetemperaturecontrollerelectronics heatingelements sensorelectron ics and preamplifier The Electronics and heating elements require a separate p...

Страница 15: ...nnected 15 24 Vdc power 2 3 Cross Interference As mentioned previously the selectivity of the measuring system is based on the extraordinarily high magnetic susceptibility of Oxygen com pared to other...

Страница 16: ...CO 0 06 Nitric acid HNO3 0 43 ChlorineCl2 0 77 NitrogendioxideNO2 28 00 CyclohexaneC6 H12 1 56 Nitrous oxide NO 40 00 EthaneC2 H6 0 43 n OctaneC8 H18 2 50 EthyleneC2 H4 0 26 n PentaneC5 H12 1 45 Heliu...

Страница 17: ...ter downstream from the sensor The gases delivered to the instrument should be at constant pressures and flow rates and must exit freely into the ambient atmosphere The Span Zero and Sample gases shou...

Страница 18: ...l power supply module designed to be compatible with any international power source Figure 2 6 shows the location of the power supply and the main electronic PC boards The signal processing electronic...

Страница 19: ...ticalInstruments Figure 2 6 Block Diagram of the Model 3000MB Electronics Power Supply Ato D Converter System Failure Alarm Displays Micro Processor Auto Range 0 1V Dto A Converter 0 1V Concentration...

Страница 20: ...2 8 2 Operational Theory Model 3000MB TeledyneAnalyticalInstruments...

Страница 21: ...in nonhazard ous environments There are four mounting lugs one in each corner of the enclosure The outline drawing at the back of this manual gives the mount ing hole size and spacing The drawing als...

Страница 22: ...3 Installation Model 3000MB 3 2 Teledyne Analytical Instruments Figure 3 1 Front View of the Model 3000MB Simplified...

Страница 23: ...gure 3 2 Required Front Door Clearance 3 3 Electrical Connections Figure 3 3 shows the Model 3000MB Electrical Connector Panel There are terminal blocks for connecting power communications and both di...

Страница 24: ...f the VOLTAGE SELECTOR switch before the power source is connected See Figure 3 4 for detailed connections DANGER Power is applied to the instrument s circuitry as long as the instrument is connected...

Страница 25: ...100 Full scale 100 of programmable range 4 20 mA dc Range ID M Option 8 mA Low Range 12 mA Me dium Range 16 mA High Range 20 mA Air Cal Range Examples The analog output signal has a voltage which depe...

Страница 26: ...present a particular range Table 3 2 gives the range ID output for each analysis range Table 3 2 Analog Range ID Output Example Range Voltage V Current mA LO 0 25 8 MED 0 50 12 HI 0 75 16 CAL 0 25 1 0...

Страница 27: ...threshold Can be configured as failsafe or nonfailsafe Can be configured as latching or nonlatching Can be configured out defeated SystemAlarm Actuates when DC power supplied to circuits is unacceptab...

Страница 28: ...contact is closed while analyzer is spanning and or zeroing See Remote Calibration Protocol below Remote Calibration Protocol To properly time the Digital Remote Cal Inputs to the Model 3000MB Analyz...

Страница 29: ...3 ID RANGE 4 ID is reserved for the Air Cal Range 25 3 3 7 Network I O A serial digital input output for local network protocol At this printing this port is not yet functional It is to be used in fut...

Страница 30: ...e sensor itself in A For example Raw Cell Output 99 A st enter Toggling input Stops Starts any status message output from the RS 232 until st enter is sent again The RS 232 protocol allows some flexib...

Страница 31: ...n be pulled from these output lines is 100 mA If two lines are ON at the same time each must be limited to 50 mA etc If more current and or a different voltage is required use a relay power amplifier...

Страница 32: ...nit against the direction of gas flow Use the restrictor without the blue dot sticker in the same manner for low pressure applications less than 5 psig For vacuum service 5 10 in Hg use the restrictor...

Страница 33: ...ll depend on your process If greater flow is required for improved response time install a bypass in the sampling system upstream of the analyzer input Note If you have the V option The above numbers...

Страница 34: ...e flow considerations 3 5 Testing the System Before plugging the instrument into the power source Check the integrity and accuracy of the gas connections Make sure there are no leaks Check the integri...

Страница 35: ...e analysis ranges Then choose autoranging or select a fixed range of analysis as required Set alarm setpoints and modes of alarm operation latching failsafe etc Before you configure your 3000MB these...

Страница 36: ...rcent of oxygen and warns of any alarm conditions System The system function consists of six subfunctions that regulate the internal operations of the analyzer Set LCD screen contrast Setup Auto Cal A...

Страница 37: ...procedures for their use follow the descriptions Auto Cal Used to define an automatic calibration sequence and or start an Auto Cal PSWD Security can be established by choosing a 5 digit password PSW...

Страница 38: ...changed back to TBEAI Logout Logging out prevents an unauthorized tampering with analyzersettings More Select and enter More to get a new screen with additional subfunctionslisted Self Test The instru...

Страница 39: ...et OFF to ON if a zero interval is entered A Span Every or Zero Every screen appears Span Every 0 d Start 0 h from now Use arrows to set an interval value then use arrows to move to the start time val...

Страница 40: ...the blinking over to PSWD and press Enter to select the password function Either the default TBEAI password or AAAAA place holders for an existing password will appear on screen depending on whether...

Страница 41: ...sting pass word and move on If you chose Enter to change the password the password assignment screenappears T B E A I ENT To Proceed or A A A A A ENT To Proceed Enter the password using the arrow keys...

Страница 42: ...L 1 Note If you log off the system using the logout function in the system menu you will now be required to re enter the password to gain access to Span Zero Alarm and Range functions 4 3 4 Logout Th...

Страница 43: ...Use the arrow keys to blink More then press Enter Version Self Test Cell Output A Use the arrow keys again to move the blinking to the Self Test function The screen will follow the running of the dia...

Страница 44: ...0 900 CC MIN If you are using password protection you will need to enter your password to gain access to either of these functions Follow the instructions in section 4 3 3 to enter your password Once...

Страница 45: ...s Then the instrument automatically returns to the analyze mode 4 4 1 2 ManualModeSpanning Press Span to start the Span function The screen that appears allows you to select whether the span calibrati...

Страница 46: ...cluded at the back of this manual for relay terminal connections The system failure alarm has a fixed configuration described in chapter 3Installation The concentration alarms can be configured from t...

Страница 47: ...efeat alarm mode is incorporated into the alarm circuit so that maintenance can be performed under conditions which would normally activate the alarms The defeat function can also be used to reset a l...

Страница 48: ...h the DC analog outputs If no custom ranges are defined by the user the instrument defaults to Low 0 1 00 Med 0 5 00 High 0 10 00 The Model 3000MB is set at the factory to default to autoranging In th...

Страница 49: ...or use the arrow buttons to change back to Auto When operating in autoranging if the oxygen concentration in your sample goes ABOVE your HIGHEST range setting the analyzer will go into the special 25...

Страница 50: ...that particular range the output saturates at 1 V dc However the digital readout and the RS 232 output continue to read the true value of the oxy gen concentration regardless of the analog output ran...

Страница 51: ...nalog output signal has a voltage which depends on the oxygen concentration AND the currently activated analysis range To relate the signal output to the actual concentration it is necessary to know w...

Страница 52: ...4 Operation Model 3000MB 4 18 Teledyne Analytical Instruments...

Страница 53: ...s routine maintenance is limited to replacing filter elements and fuses andrecalibration WARNING SEE WARNINGS ON THE TITLE PAGE OF THIS MANUAL 5 1 Replacing the Fuse Remove Power to Unit before replac...

Страница 54: ...le 5 2 Self Test Failure Codes Power 0 OK 1 5V Failure 2 15V Failure 3 Both Failed Analog 0 OK 1 DAC A 0 1V Concentration 2 DAC B 0 1V Range ID 3 Both Failed Preamp 0 OK 1 Zero too High 2 Amplifier do...

Страница 55: ...inner or benzene For mounted instruments clean the front panel as described in the above paragraph DO NOT wipe front panel while the instrumentiscontrollingyourprocess 5 5 Troubleshooting Problem Erra...

Страница 56: ...accurate zero operation i e the user has zeroed the analyzer accidentally on gas much higher than one would normally use for zero gas Solution Turn the analyzer off then back on again Press the system...

Страница 57: ...One system failure alarm contact to detect powerfailure Twoadjustableconcentrationthresholdalarms withfullyprogrammablesetpoints Displays 2 line by 20 character alphanumeric VFD screen One 5 digit LE...

Страница 58: ...rcentPreamplifierBoard 1 C62365 C MainComputerBoard std 1 C62365 A MainComputerBoard 4 20 mA 3 F10 Fuse 2 A 250 V 3 AG Slow Blow 2 F73 Ferrule1 4 SS 2 F74 Ferrule 1 4 SS 2 N73 Nut 1 4 SS 1 A68729 Rest...

Страница 59: ...A 3 Percent Oxygen Analyzer Appendix Teledyne Analytical Instruments A 3 Drawing List D 73375 Outline Drawing D 73374 InterconnectionDiagram...

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