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Series 4060

Operation

Teledyne

Analytical

Instruments

63

<

UP/DOWN

>From the MAIN MENU, scroll to the STANDBY

function using the UP/DOWN keys.

<

Enter

>

Pressing <Enter> places the instrument in STANDBY.

To exit STANDBY, scroll again to the STANDBY
function and press <Enter> again.

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Содержание 4060 Series

Страница 1: ...ment may be required when servicing this instrument Hazardous voltages exist on certain components internally which may persist for a time even after the power is turned off and disconnected Only authorized personnel should conduct maintenance and or servicing Before conducting any maintenance or servicing consult with authorized supervisor manager P N M76417 DATE 06 29 10 ...

Страница 2: ...hape or weight of any parts in so far as such alterations do not adversely affect our warranty Important Notice This instrument provides measurement readings to its user and serves as a tool by which valuable data can be gathered The information provided by the instrument may assist the user in eliminating potential hazards caused by his process however it is essential that all personnel involved ...

Страница 3: ...ly Injury and or damage the instrument CAUTION HOT SURFACE WARNING This warning is specific to heated components within the instrument Failure to heed the warning could result in serious burns to skin and underlying tissue WARNING ELECTRICAL SHOCK HAZARD Dangerous voltages appear within this instrument This warning is specific to an electrical hazard existing at or nearby the component or procedur...

Страница 4: ...r new analyzer Please read this manual and keep it available Occasionally some instruments are customized for a particular application or features and or options added per customer requests Please check the front of this manual for any additional information in the form of an Addendum which discusses specific information procedures cautions and warnings that may be specific to your instrument Manu...

Страница 5: ...components or unauthorized substitution of any component may adversely affect the safety of this instrument Since the use of this instrument is beyond the control of Teledyne no responsibility by Teledyne its affiliates and agents for damage or injury from misuse or neglect of this equipment is implied or assumed WARNING HYDROGEN GAS IS USED IN THIS INSTRUMENT AS A FUEL HYDROGEN IS EXTREMELY FLAMM...

Страница 6: ...AUTHORIZED AND SUITABLY TRAINED PERSONNEL SHOULD PERFORM WORK INSIDE OF THE INSTRUMENT COMPONENTS WITHIN THE COVER ON THE INSIDE OF THE DOOR INSIDE THE ISOTHERMAL CHAMBER SAMPLE SYSTEM AND ON THE ELECTROMETER AMPLIFIER PC BOARD CONTAIN DANGEROUSLY HIGH VOLTAGE SUFFICIENT TO CAUSE SERIOUS INJURY OR DEATH There are the following three types of inaccessible shock hazards within the Analyzer 1 Line vo...

Страница 7: ...ge the anode supply voltage a Connect one end of an insulated to 1000 VDC or more clip lead to Analyzer chassis ground the standoff for the upper right corner of the mother PCB b Put one end of a 500V rated 1000 ohm resistor in the other end of the clip lead c Check the voltage between chassis ground the standoff for the upper right corner of the mother PCB and the top side of R2 at PCB number B74...

Страница 8: ...PMENT ARE UNDERSTOOD BY THE USER SINCE THE USE OF THIS INSTRUMENT IS BEYOND THE CONTROL OF TELEDYNE NO RESPONSIBILITY BY TELEDYNE ITS AFFILIATES AND AGENTS FOR DAMAGE OR INJURY RESULTING FROM MISUSE OR NEGLECT OF THIS INSTRUMENT IS IMPLIED OR ASSUMED MISUSE OF THIS PRODUCT IN ANY MANNER TAMPERING WITH ITS COMPONENTS OR UNAUTHORIZED SUBSTITUTION OF ANY COMPONENT MAY ADVERSELY AFFECT THE SAFETY OF T...

Страница 9: ... 1 4 Applications 18 Operational Theory 19 2 1 Introduction 19 2 2 Modes of Operation 19 2 3 Analyzer Subsystems 20 2 3 1 Sample System 20 2 3 2 Gas Flow Control System 21 2 3 3 Fuel and Blanket Air Systems 22 2 3 4 Flame Ionization Detection Cell 22 2 4 Detection Cell 24 2 4 1 Electrometer Amplifier 25 2 4 2 Anode Power Supply 26 2 4 3 Flame Guard Circuit 26 2 4 4 Flame Ignition Circuit 26 Instal...

Страница 10: ... 3 3 2 8 Network I O 35 3 3 2 9 Pin Out Table 35 3 3 2 10 RS 232 Port 36 3 3 3 Gas Connections 37 3 3 3 1 Effluent 40 3 3 3 2 Sample Bypass Vent 40 3 3 3 3 Fuel and Air Connections 40 3 3 3 4 Sample and Span Gas Connections 40 3 4 Placing the System in Operation 40 Operation 41 4 1 Equipment 41 4 2 Preliminary Power Off Check List 42 4 3 Activating the Support Gases 42 4 3 1 Air 43 4 3 2 Carrier G...

Страница 11: ...6 7 The Model Screen 51 4 6 8 System Self Diagnostic Test 51 4 6 9 The Alarms Function 52 4 6 10 The Range Function 55 4 6 11 Analog Output Adjustment 55 4 6 12 Linearization 56 4 6 13 Changing Stream 56 4 6 14 Setting up an AUTO CAL 56 4 6 15 Timing 58 4 6 16 Group Setup 58 4 6 17 Password Protection 58 4 6 18 Logging Out 61 4 6 19 Standby 62 Maintenance Troubleshooting 65 5 1 Measuring Circuit E...

Страница 12: ...ks 69 5 4 Sampling System 70 5 5 Printed Circuit Board Descriptions 71 5 5 1 Flame Guard and Anode Power Supply PCB 71 5 5 2 Proportional Temperature Controller PCB 72 5 5 3 Electrometer Amplifier PCB 73 Appendix 75 A 1 Specifications and Initial Settings 75 A 2 Recommended Spare Parts List 76 A 3 Drawing List 77 Appendix B 79 B1 Addendum and Testing Results 79 ...

Страница 13: ... Front Panel Interface 17 Figure 1 2 Model 4060 Rear Panel 17 Figure 2 1 Internal Temperature Controllers 21 Figure 2 2 Typical Piping Diagram for the Model 4060 23 Figure 3 1 Model 4060 Rear Panel with Optional Gas Manifold 29 Figure 3 2 Equipment Interface Connector Pin Arrangement 30 ...

Страница 14: ...Concentration Output Example 31 Table 3 3 Analog Range ID Output Example 32 Table 3 4 Alarm Relay Contact Pins 33 Table 3 5 Remote Calibration Connections 34 Table 3 6 Range ID Relay Connections 35 Table 3 7 Pin out of 50 pin D Sub Connector 36 Table 3 8 Commands via RS 232 Input 37 Table 3 9 Required RS 232 Options 37 ...

Страница 15: ...ions of Series 4060 allowing for dual measurements are also available Contact the factory for further detail 1 1 Main Features of the Analyzer The Analyzer is sophisticated yet simple to use A dual display on the front panel prompts and informs the operator during all phases of operation The main features of the analyzer include Easy to use front panel interface that includes a red 5 digit LED dis...

Страница 16: ...er the ranges of interest 1 3 Analyzer Description The standard analyzer is a rack mountable instrument designed to fit into a standard 19 instrument rack The front interface panel is mounted on a door which when opened allows convenient access to the Analyzer electronics The entire front panel can slide out of the chassis to provide greater access to the electronics and to the sample system Gas p...

Страница 17: ...Series 4060 Introduction Teledyne Analytical Instruments 17 Figure 1 1 Model 4060 Front Panel Interface Figure 1 2 Model 4060 Rear Panel ...

Страница 18: ... Monitoring the benzene concentration of carbon dioxide gas for use in the beverage industry Monitoring aromatic contamination in air liquefaction and other gas production processes Gas purity certification Detecting trace benzene in ambient air Detecting atmospheric pollutants ...

Страница 19: ... 4020 The FID has proven itself to be a rugged stable long life sensor giving years of trouble free operation in various applications Also considering the fact that the required sensitivity of 100 ppb full scale was achieved FID was considered a better choice over the limited life and less reliable Photo Ionization Detector A stainless steel packed column containing Chromosorb Diatomite was used a...

Страница 20: ...nfigured to do so the analyzer may read the detector for a programmed 5 second period at some point within this mode cycle to obtain a baseline reading for further calculation This mode is usually programmed to continue until the compound of interest is fully eluted from the column It is possible to set it up to 25 minutes During the Analysis Mode a Peak Detect period is programmed at which time t...

Страница 21: ...al Temperature Controllers The sample chamber contains the 10 port GC switching valve and 2 sample loops The FID chamber contains the flame pressure regulators pressure gauges and flow restrictors used by the FID detector The COLUMN is housed in a separate COLUMN enclosure and maintained at a temperature of 70 C by its PID temperature controller The actual temperature setpoint for your instrument ...

Страница 22: ... of sample or span gas to the detector Calibration can be performed automatically on a programmed schedule or manually using the front panel interface 2 3 3 Fuel and Blanket Air Systems Stable flow is achieved by maintaining a constant pressure across restrictors upstream from the cell Each system incorporates an adjustable pressure regulator pressure gauge and restrictor A flame out light is incl...

Страница 23: ...Series 4060 Operational Theory Teledyne Analytical Instruments 23 Figure 2 2 Typical Piping Diagram for the Model 4060 ...

Страница 24: ...ting element that glows red hot and ignites the hydrogen fuel When relay K2 at B74671 is de energized the coil is connected to the 260 volt DC terminal of the anode flame guard power supply PC board In this configuration the necessary potential difference is established between the coil anode and collector to promote ionization of the burned hydrocarbons The coil functions as the high voltage anod...

Страница 25: ...sists of an electrometer amplifier and an operational amplifier This circuit is a very high gain current to voltage converter circuit having an input impedance measuring in the billions of ohms It is static sensitive and highly susceptible to contamination Special care must be taken in handling this PC board Refer to Section 5 5 3 Electrometer Amplifier PC Board for more information concerning the...

Страница 26: ...it A thermistor controlled transistorized switching circuit is employed to operate a relay in the event of a flame out condition A panel indicator light and fuel shut off solenoid valve are operated by the relay to alarm personnel that a flame out condition has occurred The fuel shut off solenoid valve stops the hydrogen flow 2 4 4 Flame Ignition Circuit The flame ignition circuit includes the ano...

Страница 27: ...he ambient temperature is not permitted to drop below 32ºF nor rise above 100ºF In areas outside these temperatures auxiliary heating cooling must be supplied The 4060 enclosure is oil and dust resistant and although it is designed to resist moisture it should NOT be considered completely watertight Mounting to walls or racks must be made securely Avoid locations that are subject to extreme vibrat...

Страница 28: ...ay be present in your system Refer to any Addenda for additional information that may apply to your instrument 3 3 1 Electrical Power Connections The standard analyzer requires a supply of 100 125VAC single phase power Power connections are made at the rear panel of the unit Refer to the input output diagram for more information The electrical power service must include a high quality ground wire ...

Страница 29: ...NED TO THE ANALYZER WITH ITS FASTENING SCREWS ULTIMATELY IT IS THE INSTALLER WHO ENSURES THAT THE CONNECTIONS PROVIDE ADEQUATE EMI RFI SIELDING Figure 3 1 Model 4060 Rear Panel with Optional Gas Manifold 3 3 2 1 PRIMARY INPUT POWER The power cord receptacle and fuse block are located in the same assembly Insert the power cord into the power cord receptacle CAUTION POWER IS APPLIED TO THE INSTRUMEN...

Страница 30: ... are given where each function is described in the paragraphs below Figure 3 2 Equipment Interface Connector Pin Arrangement 3 3 2 4 ANALOG OUTPUT There are four DC output signal pins two pins per output For polarity see Table 3 1 The outputs are 0 1 VDC of Range Voltage rises linearly with increasing concentration from 0 V at 0 concentration to 1 V at full scale Full scale 100 of programmable ran...

Страница 31: ...to know what range the instrument is currently on especially when the analyzer is in the auto ranging mode The signal output for concentration is linear over the currently selected analysis range For example if the analyzer is set on a range that was defined as 0 100 ppb benzene then the output would be as shown in Table 3 2 To provide an indication of the range the Range ID analog outputs are use...

Страница 32: ...it connector pins connect to the internal alarm relay contacts Each set of three pins provides one set of Form C relay contacts Each relay has both normally open and normally closed contact connections The contact connections are shown in Table 3 4 They are capable of switching up to 3 amperes at 250 VAC into a resistive load The connectors are Threshold Alarm 1 Can be configured as high actuates ...

Страница 33: ...red as failsafe and latching Cannot be defeated Note Reset by pressing the STANDBY button to remove power Then press STANDBY again and any other button except SYSTEM to resume Further detail can be found in Chapter 4 Section 4 6 19 Table 3 4 Alarm Relay Contact Pins Pin Contact 45 Threshold Alarm 1 normally closed contact 28 Threshold Alarm 1 moving contact 46 Threshold Alarm 1 normally open conta...

Страница 34: ...ow Table 3 5 Remote Calibration Connections Pin Function 10 Remote Span 12 Remote Span 40 Cal Contact 41 Cal Contact Remote Calibration Protocol To properly time the Digital Remote Cal Inputs to the Model 4060 Analyzer the customer s controller must monitor the Cal Relay Contact When the contact is OPEN the analyzer is analyzing the Remote Cal Inputs are being polled and a span command can be sent...

Страница 35: ...n connections Contacts are normally open and they close when 4060 switches to that particular range Table 3 6 Range ID Relay Connections Pin Function 21 Range 1 ID Contact 38 Range 1 ID Contact 22 Range 2 ID Contact 39 Range 2 ID Contact 19 Range 3 ID Contact 18 Range 3 ID Contact 34 Not Used 35 Not Used 3 3 2 8 NETWORK I O A serial digital input output for local network protocol At this printing ...

Страница 36: ...9 Range 2 Contact 15 40 Calibration Contact 16 Span Solenoid Return 41 Calibration Contact 17 Span Solenoid Hot 42 Alarm 2 NC Contact 18 Range 3 Contact 43 Alarm 2 NO Contact 19 Range 3 Contact 44 Alarm 2 C Contact 20 Alarm 3 C Contact 45 Alarm 1 NC Contact 21 Range 1 Contact 46 Alarm 1 NO Contact 22 Range 2 Contact 47 23 Output 0 1 v Channel 2 48 Exhaust Solenoid Return 24 Output 0 1 v Channel 1 ...

Страница 37: ...AUTO Implementation The RS 232 protocol allows some flexibility in its implementation Table 3 9 lists certain RS 232 values that are required by the Model 4060 implementation Table 3 9 Required RS 232 Options Parameter Setting Baud 2400 Byte 8 bits Parity none Stop Bits 1 Message Interval Sent at the end of each cycle 3 3 3 Gas Connections The analyzer gas connection diagram identifies the various...

Страница 38: ...ed to the system it must be decontaminated to eliminate any hydrocarbon deposits Using a small torch heat each length of tubing while passing nitrogen through it until it glows red Begin at the nitrogen source end and proceed down the length of the tube chasing the red glow and hydrocarbon deposits down to the open end of the tube Cap the tubing while not in use with suitable non contaminating cap...

Страница 39: ...ases should be supplied from cylinders that are equipped with the type of regulator specified in the aforementioned sections CAUTION UNDER NO CIRCUMSTANCES SHOULD YOU EMPLOY A REGULATOR THAT IS NOT EQUIPPED WITH A METALLIC DIAPHRAGM ANYWHERE IN THE SYSTEM The regulators should be inspected prior to installation to be sure that they are oil free Failure to comply with these directives will result i...

Страница 40: ...NECTIONS The fuel used to provide combustion should be hydrogen gas zero quality with certified THC of less than 0 5 ppm and supplied at a pressure of 40 psig The compressed air ultra zero gas quality with THC less than 0 1 ppm should be used and supplied at a pressure of 40 psig Connect the fuel and air sources to the instrument according to the gas connection diagram included at the back of this...

Страница 41: ...nd hardware will be required to operate the standard analyzer 1 Fuel A cylinder containing a hydrogen gas zero gas quality composition will be required to supply the fuel for the flame ionization burner The cylinder is to be equipped with an oil free metallic diaphragm regulator dual stage 2 Blanket Air A cylinder of compressed air zero gas quality will be required to maintain the proper atmospher...

Страница 42: ...tart up procedure 1 Check to see that the sample and supporting gas installation is in accordance with the specifications called for in the installation and application sections of the manual Chapter 3 Be sure that the supporting gases are of the proper composition and are connected to the correct fittings at the rear of the analyzer 2 Check to see that the electrical installation conforms to the ...

Страница 43: ...al valves if the option is added which can also be manually activated as described in Section 4 6 5 2 Observe that the analyzer sample flow meter reads from 0 3 to 1 0 SCFH 4 3 4 Fuel 1 Open the main valve on the fuel source and set the fuel pressure regulator to 40 psig 2 Adjust the fuel regulator until its pressure gauge reads the recommended pressure of 4 0 psig Note Adjust fuel settings only w...

Страница 44: ...ll automatically try to re ignite After 5 attempts it will display flame failure check air fuel and the flame failure LED will be on 3 Open the cylinder supply valve and re ignite the flame by pushing the up and down buttons simultaneously 4 4 2 Ignition and or Flame Guard Circuit Failure If the flame ignition or guard circuits do not operate as described in the above two sections set the instrume...

Страница 45: ...and operation It is not required however to follow this sequential path The user could for instance go directly to set an analysis range and then program an offset to the current output for matching a range on the user s recording device The only exception to this is when the instrument is powered up It will go through a warm up period followed by a diagnostic self test routine Caution ALARM SUPPR...

Страница 46: ...ings Refer to the Addendum and Testing Results section of Appendix B for any specific changes or recommendations that apply to your application Range Application Refer to the Addendum and Testing Results section of Appendix B Range Manual Alarms Defeated 20ppb 50ppb HI NON FAILSAFE NON LATCHING Auto Span Timing Defeated every 7 days at 12 hours Span 80 ppb Password TAI 4 6 2 Style Conventions The ...

Страница 47: ... the ENTER key and the ESCAPE key It is important to read and understand the MENU STRUCTURE section to fully understand navigation and data entry 4 6 3 1 ARROW KEYS Pressing the ARROW KEYS select menus and modifies values 1 In the ANALYSIS SCREEN the ARROW KEYS cause entry into the MAIN MENU 2 When the selected option is a function on the MAIN MENU or any SUB MENU screen the ARROW KEYS move to the...

Страница 48: ...larm will re occur when re detected Also pressing the ESCAPE key clears the messages generated by incorrect gain settings i e bad span gain too high 2 When the selected option is a function on the MAIN MENU or any SUB MENU screen the menu name appears with a flashing arrow next to it the ESCAPE key is used to return to the parent menu finally returning to the ANALYSIS SCREEN the function 3 If the ...

Страница 49: ...rforms a self diagnostic routine to check the integrity of the power supply output boards cell and amplifiers ALARMS Used to set the alarm setpoints and determine whether each alarm will be active or defeated HI or LO acting and failsafe or not RANGE Used to set up three analysis ranges that can be switched manually ANALOG OUT ADJUST Adjust the analog output with offset and scaling LINEARIZATION L...

Страница 50: ...sword restrictions have been assigned Password assignment is explained in Section 4 6 17 4 6 5 Span The SPAN function is used to calibrate the analyzer Span can be performed either manually or automatically with the autocal function if equipped The analyzer is calibrated using span gas as described in Section 4 1 This section assumes that this gas has been properly connected and the line checked f...

Страница 51: ...n gas another compound existing in the span gas can be used for the alternate calibration 4 6 7 The Model Screen The MODEL screen displays the model and software version information It is accessed via the MAIN MENU by scrolling UP DOWN to MODEL and pressing Enter 4 6 8 System Self Diagnostic Test The Model 4060 has a built in self diagnostic testing routine Preprogramming signals are sent through ...

Страница 52: ...n this case please contact TAI Customer Service for an explanation of the problem To return the analyzer to the MAIN MENU press Enter after the results screen If you pressed Escape you will be returned to the Analyze Mode 4 6 9 The Alarms Function The Model 4060 is equipped with two alarms and a system failure alarm relay Each alarm relay has a set of form C contacts rated for 3 amperes resistive ...

Страница 53: ...vel then the alarm condition is occurring DEFEATED If an alarm is defeated its relay is de energized regardless of failsafe condition A defeated alarm does not react to a transition over its trip point in either direction HIGH If an alarm is set as HIGH it will not create a new alarm condition see latching if the analysis concentration is below the trip point if the analysis concentration is above...

Страница 54: ...the instruction ENT ACK Pressing ENTER will release a latched alarm That is if there will not be an alarm condition until the analysis concentration is again violating the trip point Furthermore the alarms will be suppressed until the analysis value is updated so even though the screen may be reporting a value that should cause an alarm until the analyzer again enters SAMPLE MODE no alarm conditio...

Страница 55: ...ted on the second line Man Rng is maintained as the current range of operation In Auto Range select the software determines the smallest range whose limit is larger than the analysis concentration Automatic Range selection in Auto Range is governed by hysteresis such that the concentration must fall below 90 of the limit of the next smaller range before the current range will be set to the lower r...

Страница 56: ...m can be switched here You can flow span sample or zero gas without entering the calibration mode in order to check instrument response During a span calibration the span stream is activated After a span calibration the sample stream is activated regardless of what was set before the span 4 6 14 Setting up an AUTO CAL The Series 4060 Analyzer can be fitted with an external auto calibration module ...

Страница 57: ...ours From the Analysis Screen press the UP or DOWN key to enter the Setup Mode The VFD will display the first 2 lines of functions available ______________________________________________ AUTOCAL PASSWORD ______________________________________________ UP DOWN If the arrow is not adjacent to the AUTOCAL menu item use the UP DOWN keys to move the arrow to the proper position Enter Press Enter to act...

Страница 58: ...iming controls the parameters of the valve and data acquisition It is specific to the setup of the instrument and must be determined at the factory or TAI trained personnel Refer to the Addendum and Testing Results section of Appendix B for the specific timing settings used for your system and application Do not change these values unless directed by Customer Service at TAI For further information...

Страница 59: ... correct operation so they must be re entered ENTERING A PASSWORD To install a new password or change a previously installed password you must key in and ENTER the old password first If the default password is in effect it will be displayed as the default gausses for each letter pressing Enter for each letter of the password will enter the default password for you To enter a password any key From ...

Страница 60: ...on the first letter returns to the MAIN MENU If the correct password has been entered the 4060 now allows access to all the SUBMENU items The 4060 next presents the CHANGE PASSWORD screen CHANGE PASSWORD SCREEN ________________________________________________ Change Password ________________________________________________ Escape Press Escape to return to the MAIN MENU you are now logged in and ha...

Страница 61: ...This is to ensure that the wrong password is not mistakenly entered UP DOWN Use the UP DOWN keys to reenter the letters of the new password Enter Press Enter to advance to the next letter Enter If the repeated password matches the previously entered new password the new password is set the 4060 resumes the ANALYSIS SCREEN after displaying a brief message Password Changed Escape Steps back to the p...

Страница 62: ...______________________________________ Pressing Enter will logout the current user and protect the system from unauthorized changes to parameters If user has LOGGED OUT then only the following SUB MENU procedures may be executed 1 PASSWORD 2 LOGOUT which only repeats the logout 3 MODEL Note however that the instrument can still be used for analysis without entering the password To defeat security ...

Страница 63: ...nalytical Instruments 63 UP DOWN From the MAIN MENU scroll to the STANDBY function using the UP DOWN keys Enter Pressing Enter places the instrument in STANDBY To exit STANDBY scroll again to the STANDBY function and press Enter again ...

Страница 64: ...Operation Series 4060 64 Teledyne Analytical Instruments ...

Страница 65: ... SPECIFIC ATTENTION TO THE PROCEDURES FOR REMOVAL OF INTERNAL INACCESSIBLE SHOCK HAZARDS IF THE INSTRUMENT MUST BE TURNED ON DURING ANY OF THESE MAINTENANCE AND TROUBLESHOOTING PROCEDURES BE CAREFUL AND WORK WITH THE ONE HAND RULE Work with one hand only Keep the other hand free without contacting any other object This reduces the possibility of a ground path through the body in case of accidental...

Страница 66: ...To isolate the electronics employ the following procedure Open the door to the analyzer remove and disconnect the collector cable from the sensor leaving it attached to the electrometer board Consult schematic and assembly drawings for circuitry and location With this cable disconnected the electronic circuitry is completely isolated from the gas control system and cell 5 1 1 Anode Voltage Check I...

Страница 67: ...isappear or be greatly diminished when condensation inside the sensor has occurred shorting the igniter to the sensor body across the wet insulator This usually occurs when the flame is turned on if the sensor has not been preheated for at least 1 hour 5 1 2 Electronic Stability If the checks outlined above indicate that conditions are normal allow the analyzer to run electronically with the colle...

Страница 68: ...rcuit might go unnoticed after the initial failure If the environment follows day and night temperature changes the analyzer will show a diurnal bi directional drift when operated on zero gas The magnitude of the drift will be a function of the temperature differential experienced by the analyzer To check the circuit employ the following procedure Consult the 4060 schematic and assembly drawings a...

Страница 69: ...r wires and a possible connector between the heater and temperature control board If no problems are found and the heater circuit is open then replace the heater element Note If any of the components located inside the isothermal chamber has failed the instrument must be removed for service If no problems are found with either the thermistor or the heater circuits then replace the temperature cont...

Страница 70: ... transient suppression diode by measuring pins 13 and 14 of the relay socket The ohmmeter should indicate a short circuit resistance in one direction and some resistance value when the leads are reversed If the indication is a short circuit then the diode must be replaced Note If after replacing a defective diode the circuit still does not work properly the flame guard circuit components have been...

Страница 71: ...d to operate relays in the event of a flame out condition A panel indicator light is turned on by the relay to alarm personnel that a flame out condition has occurred The controlling thermistor is located within the upper section of the cell assembly The electronic circuit components and relays are mounted on the same printed circuit board as the anode power supply the indicator light on the contr...

Страница 72: ...istor R3 when their resistance is equal or when the resistance of R3 is less than that of the thermistor the heating circuit is activated When a temperature deficiency is sensed by the thermistor integrated circuit A1 acting as a zero crossing switch applies a pulsed signal to triac Q1 which in turn applies full wave power to the heating element IC A1 employs a diode limiter a zero crossing thresh...

Страница 73: ... of on state current di dt in the thyristor 5 5 3 Electrometer Amplifier PCB Schematic No B79159 Assembly Dwg No B79153A The ions formed in the process of burning hydrogen in the presence of hydrocarbon components of the sample gas cause an electrical conduction between two electrodes in the combustion chamber or detector cell that is amplified by a high sensitivity and high input impedance electr...

Страница 74: ...rubbed finger stroked along one of the glass resistors would deposit enough skin oil to completely upset the range division of the attenuator circuit Resistor R3 is a 1000 MΩ resistor used in the feedback circuit of the amplifier R2 has a resistance of 10 000 MΩ and is used in series with the zero potentiometer slider This circuit is used to nullify any offset signal introduced by the signal elect...

Страница 75: ... Channel 1 0 1 VDC and isolated 4 20 mADC Channel 2 0 1 VDC and isolated 4 20 mADC User configurable as Benzene other aromatics Total HC and Peak traces Alarms Two Concentration Alarm C Type relay contacts User configurable One System Alarm for AC power failure and flame out fail safe C type relay contacts Calibration Contact Calibration Contact A Type Relay contact for span mode indication RS 232...

Страница 76: ...LED red 1 A33748 Thermistor assembly 1 V825 10 Port Switching Valve with Actuator Electronic Control and Power Supply 1 CP2408 PID temperature controller 1 G481 Pressure Gauge 0 15psig A minimum charge of US 20 00 is applicable to spare parts orders IMPORTANT Orders for replacement parts should include the part number and the model and serial number of the system for which the parts are intended S...

Страница 77: ...line Diagram D77488 Wiring Diagram C76068 Piping Diagram B79159 Schematic Electrometer PCB B74672 Schematic Flame Guard Anode Power Supply PCB D 65506 Schematic Back Panel Power Supply PCB B79154 FID Electrode Sub Assy D79158 FID Sensor Assembly PC Board Assemblies B74671 PCB Assy Anode Power Supply Flame Guard B79153A PCB Assy Electrometer C 75825 PCB Microprocessor C 65507 PCB Power Supply ...

Страница 78: ...Appendix Series 4060 78 Teledyne Analytical Instruments ...

Страница 79: ...Series 4060 Appendix Teledyne Analytical Instruments 79 Appendix B B1 Addendum and Testing Results ...

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