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Revision 5

August 2021

3.2.5 Aspirator Drive Air Flow Adjust Valve

The

Aspirator Drive Air Flow Adjust Valve

indirectly controls the rate of process sample

gas extraction from the tail gas duct. The aspirator drive air is plumbed to a venturi-type

eductor integral to the measurement cell

block, as shown in the exploded view of the

measurement cell in Figure 17.

Figure 17: Measurement Cell Block (Exploded View)

The aspirator has a narrow nozzle, and when flowing aspirator drive air passes out of this

nozzle, it expands, causing the pressure on the aspirator suction port to drop. This aspirator

suction port is connected to the outlet of the measurement cell. The design of the analyzer

sample system is such that process sample gas is extracted from near the centre of the

process duct and vented at the wall of the process duct through the same access port.

Ideally, enough aspirator drive air is provided to present a measurement cell outlet pressure

of 2-3" H2O (0.5 to 0.75 kPa) below the process duct pressure. This pressure differential

across the measurement cell draws sample up the

sample probe

, and after the sample is

drawn through the measurement cell it mixes with the aspirator drive air at the aspirator

suction port and is expelled back down the sample probe nozzle and into the process pipe.

In practice, the aspirator drive air flow is adjusted such that the response time from a zero

signal to stable process measurement is less than 30 seconds, though the actual response

time is highly dependent on the sample probe length – the longer the probe, the longer the

response time will be. The adjustment of the aspirator drive air flow is made by monitoring

the amount of time it takes for the displayed concentration values on the analyzer display to

reach stable values after the analyzer has been switched from purge mode to sampling

mode.

An additional consideration that must be made when adjusting the aspirator drive air flow

rate is that if the aspirator drive air flow is set too high, the aspirator air flow will draw a

significant amount of heat out of the measurement cell block, and cause the displayed

cell

temperature

to drop, potentially to below the low cell alarm setpoint. Thus, care must be

taken when adjusting the aspirator drive air flow rate to obtain a balance between stable

temperature control and rapid response time from zero to sample. Typically the aspirator

drive air flow adjust valve is set to two turns from fully closed, but the optimal balance

between temperature control and response time will depend on specific conditions of the

Содержание 943-TGXeNA

Страница 1: ...alysis OPERATION MANUAL Revision 5 August 2021 Galvanic Applied Sciences Inc 7000 Fisher Road S E Calgary Alberta T2H 0W3 Canada Toll Free North America 1 800 458 4544wrong number International 1 978 848 2701 wrong number E mail support galvanic com www galvanic com ...

Страница 2: ...this manual is subject to change without notice and does not represent a commitment on the part of Galvanic Applied Sciences Inc No part of this manual may be reproduced or transmitted in any form or by any means without the written permission of Galvanic Applied Sciences Inc Note Changes or modifications not expressly approved by Galvanic Applied Sciences Inc could void the user s authority to op...

Страница 3: ...r System 22 2 4 2 Mating of the Process and Analyzer System Flanges 23 2 4 3 Installation of the Sample Probe 24 2 4 3 Connection of the AC Power Service 27 2 4 4 Connection of the Analog Signal Cables 27 2 4 5 Connection of the Digital Signal Cables 28 2 4 6 Connection of the Instrument Air 29 2 4 7 Connections of Steam 31 2 4 8 Connection of the Loss of Purge Signal 31 SECTION 3 OPERATION 32 3 1...

Страница 4: ...Conditions 53 4 6 SPECTRUM PANEL 54 4 6 1 Factory Reference 56 4 7 ABSORBANCE PANEL 57 4 8 CONFIG PANEL 59 4 8 1 Outputs 59 4 8 2 Calculation Sub Panel 61 4 8 2 1 Calculation Parameters 61 4 8 2 2 Cell Length 62 4 8 2 3 Fixed Temperature and Pressure 63 4 8 2 4 Sample and Zero Sample Rate 63 4 8 3 Display 63 4 8 3 1 Analysis 1 and 2 Trend Graph Ranges 63 4 8 3 2 Backlight Adjustment 64 4 8 4 Timer...

Страница 5: ...SOLUTION 100 6 4 OPTIMIZING THE SPECTROMETER SIGNAL 102 6 4 1 Automated Optimization 103 6 4 2 Manual Optimization 103 SECTION 7 SERVICEWHAT IS GOING ON HERE 105 7 1 OVERVIEW 105 7 2 INDICATORS PANEL TROUBLESHOOTING 105 7 3 TESTING AND REPLACEMENT OF THE OPTICAL FIBRES 107 7 4 TROUBLESHOOTING THE UV SOURCE LAMP 110 7 5 MEASUREMENT CELL BLOCK REMOVAL 115 7 6 CELL WINDOWS CLEANING REPLACEMENT 117 7 ...

Страница 6: ...YSTEM FLOW DIAGRAM 33 FIGURE 15 LOCATION OF VORTEX COOLER 34 FIGURE 16 SAMPLE PROBE 35 FIGURE 17 MEASUREMENT CELL BLOCK EXPLODED VIEW 37 FIGURE 18 LOCAL DISPLAY USER INTERFACE 43 FIGURE 19 HANDHELD KEYPAD 44 FIGURE 20 ONLINE OFFLINE MODE TOGGLE 45 FIGURE 21 ANALYSIS 1 CONCENTRATION FIELDS 46 FIGURE 22 AIR DEMAND VALUE AND TREND 46 FIGURE 23 RELAY INDICATORS 47 FIGURE 24 MANUAL ZERO CONTROL 47 FIGU...

Страница 7: ...IGURE 65 MODICON 32 FORMAT 91 FIGURE 66 FACTORY PARAMETERS PAGE 91 FIGURE 67 CHANGE PASSWORD DIALOG BOX 94 FIGURE 68 PASSWORD ENTRY ERROR MESSAGES 94 FIGURE 69 REVISION HISTORY 95 FIGURE 70 REPLACING THE ANTI SOLARANT SOLUTION 101 FIGURE 71 INDICATORS PANEL 105 FIGURE 72 LOCATION OF CELL HEATER FUSE ON ACTS 108 FIGURE 73 UV LAMP ENCLOSURE 112 FIGURE 74 UV LAMP ENCLOSURE INTERNAL LAYOUT 113 FIGURE ...

Страница 8: ...TERS 72 TABLE 18 STATUS AND CONTROL 73 TABLE 19 RELAY INDICATORS 74 TABLE 20 ANALYZER FAULTS 77 TABLE 21 ANALYZER WARNINGS 78 TABLE 22 SPECTRUM PARAMETERS 79 TABLE 23 PARAMETERS PAGE COLOUR CODE 83 TABLE 24 CONFIGURATION PARAMETERS 84 TABLE 25 MODBUS COMMUNICATION PARAMETERS 87 TABLE 26 AVAILABLE MODBUS POINTS 88 TABLE 27 MODBUS LIST COLUMNS 89 TABLE 28 FACTORY PARAMETERS COLOUR CODE 92 TABLE 29 F...

Страница 9: ...ry The Warning symbol indicates a hazardous situation that if not avoided could result in death or serious injury The Caution symbol with the safety alert symbol indicates a hazardous situation that if not avoided could result in minor or moderate injury The Notice symbol is used to highlight information that will optimize the use and reliability of the system ...

Страница 10: ...alvanic Applied Sciences Inc bears no responsibility and assumes no liability for the use and or implementation of these suggested procedures This system when operating in its normal mode and or when it is being serviced maintained installed and commissioned contains items which may be hazardous to humans if handled or operated incorrectly or negligently These items include but are not limited to ...

Страница 11: ...of sulfur Maintenance performed before the cooling of the oven and hardware should be done while wearing suitable protective clothing eye wear and gloves to prevent burns to the hands and arms The system includes an Ultraviolet spectrometer which employs a source that generates intense UV radiation that is transmitted to the measurement cell and spectrometer through fibre optic cables This radiati...

Страница 12: ...ility transportation charges prepaid or accept the return of the defective Product and refund the purchase price paid by Buyer for that Product If requested by Buyer Seller will use its best efforts to perform warranty services at Buyer s facility as soon as reasonably practicable after notification by the Buyer of a possible defect provided that Buyer agrees to pay for travel time mileage from th...

Страница 13: ...the processor or software or firmware will be uninterrupted or error free The warranty herein applies only to Products within the agreed country of original end destination Products transferred outside the country of original end destination either by the Seller at the direction of the Buyer or by Buyer s actions subsequent to delivery may be subject to additional charges prior to warranty repair ...

Страница 14: ... When the plant factor F is established for a particular process the units of Air Demand become percent change required in process air i e a computed Air Demand of 1 5 means that the process is 1 5 excess in air To achieve optimum performance of the Claus Sulfur Recovery Plant the Air Demand should be kept near zero The sample gas obtained from the sulfur plant waste or tail gas stream may also co...

Страница 15: ... proof and or intrinsically safe wiring methods 2 A control cabinet which contains the electrical hardware necessary for the operation of the analyzer Under normal operating circumstances the interior of the control cabinet maintains a general purpose area classification using a Type Z positive pressure purge system Both visual and electrical contact closure indications are provided for monitoring...

Страница 16: ...ism for reducing the dew point of sulfur vapour in the sampled gas stream Instrument air can be introduced to provide an exposed cool surface to the incoming sample gas Excess condensed sulfur is hydrostatically returned to the process duct The sulfur vapour concentration is measured and displayed on the analyzer display The sulfur vapour concentration is useful for system troubleshooting Incoming...

Страница 17: ...stem includes an onboard computer system which provides a graphic display of key system control parameters and their status a digital display of the instantaneous value of the Air Demand H2S SO2 and COS and historical graphic displays of the Air Demand H2S and SO2 The entire control computer system consisting of a Control Board and a Display Board is mounted on the door of the control cabinet Cont...

Страница 18: ...ng the web based graphical user interface Section 6 Maintenance describes the various regular maintenance procedures that should be followed to keep the analyzer functioning normally Section 7 Service gives some important service procedures that may be necessary to keep the analyzer in operational condition Section 8 Product Quality Assurance includes various documentation of the Quality Assurance...

Страница 19: ... name plate 2 2 2 Temperature The ambient temperature range the analyzer can operate in is shown in Table 1 Table 1 Ambient Temperature Range by Model Model Ambient Temperature Range 943 TGXeNA 20 to 50 C 4 to 122 F Galvanic offers complete analyzer shelters from sunshades to complete buildings please contact Galvanic Applied Sciences Inc or your local representative for additional information 2 2...

Страница 20: ...285 F 160 C 320 F 2 2 6 Area Classification The hazardous area classification and ingress protection for the Model 943 TGXeNA is shown below 2 3 Unpacking The 943 TGXeNA analyzer system is packed for shipment in a wooden crate Galvanic Applied Sciences Inc advises unpacking the system according to the following procedure 1 Remove the lid by undoing the marked lag bolts 2 Once the lid is off remove...

Страница 21: ...ces Inc immediately and do not proceed with the system installation Do not attempt to facilitate repairs yourself as this will negate and or invalidate any possible insurance claim or equipment warranty 10 If no damage is apparent the analyzer system is ready for transport to the installation sample point site The analyzer system framework has two 2 lifting rings located at the top Installation of...

Страница 22: ...cess sample access point are correctly aligned The plant support structure should be suitable for mounting the analyzer frame as shown in the Mounting Dimensions drawing given in Figure 2 Figure 2 Mounting Dimensions The steam jacketed ball valve must be installed on the process sample point before mounting the analyzer system The Steam jacketed ball valve must remain closed until the sample probe...

Страница 23: ...and a safety person s should be observing Do not take unnecessary risks even if you believe the tailgas line to be at negative pressure Before mounting the analyzer at the process sample connection check to ensure that the following conditions have been met 1 The bolt holes in the steam jacketed nozzle flange are large enough to accommodate the four 4 bolts on the analyzer system flange 2 The two ...

Страница 24: ...to the process sample point flange make sure that the analyzer framework is secured to the support structure This is to ensure that the framework and support structure not the flange connection are bearing the weight of the analyzer system 2 4 3 Installation of the Sample Probe Once the analyzer system is securely installed on the process pipe the sample probe can be installed by following the pro...

Страница 25: ...g gland at the bottom of the oven indicated in Figure 6 until it reaches the steam jacketed ball valve Figure 6 Inserting the Sample Probe 4 Open the steam jacketed ball valve and continue inserting the probe until the probe flange contacts the packing gland Tubing removed Packing gland Sample probe ...

Страница 26: ...e at negative pressure 5 Tighten the packing gland and connect the tubing to the probe as shown in Figure 7 Make sure the three valves on the left of the oven enclosure V1 V3 V5 are in the open position as shown in Figure 7 Close the two block valves indicated on the right side of Figure 7 V2 V4 Install the probe RTD in the location indicated Figure 7 Oven Enclosure Tubing Reinstalled If the conne...

Страница 27: ... Control Cabinet Installation of the conduit wiring and disconnect deices must comply with all applicable national local and company electrical codes All connections must be sealed DO NOT energize the AC power supply to the analyzer at this time The analyzer system will be powered up at the time of commissioning by Galvanic Applied Sciences Inc personnel 2 4 4 Connection of the Analog Signal Cable...

Страница 28: ... signals connections on the IO board refer to the DC Signals and Wiring DIagram drawing Figure 86 in Section 9 of this manual Installation of the conduit wiring and disconnect devices must comply with all applicable national local and company electrical codes All connections must be sealed 2 4 5 Connection of the Digital Signal Cables The conduit connector for the Digital Signals with the label Di...

Страница 29: ...nnection of the Instrument Air The installation of the analyzer system requires the connection of instrument air to the air filter The instrument air must be at a pressure of 80 100 psig 5 5 6 9 barg and must be clean dry and oil free as per ANSI ISA Standard 57 3 1975 R 1981 The instrument air supplied to the analyzer must be capable of a sustained flow rate of 22 SCFM 37m3 hour at 80 to 100 psig...

Страница 30: ...abinet to minimize the exposure of electrical equipment to the corrosive atmosphere commonly found in sulfur recovery units The cabinet purge should be initiated as soon as practical after the analyzer system is installed until the analyzer is commissioned The control cabinet purge flow control valve is located inside the purge control box mounted on top of the analyzer shown in Figure 12 Figure 1...

Страница 31: ...hould be connected into the plant condensate collection system All steam lines the steam jacketed sample probe nozzle the steam jacketed ball valve and the flange between the nozzle and the analyzer system should all be well insulated to prevent heat loss and improve temperature control 2 4 8 Connection of the Loss of Purge Signal The control cabinet purge control box shown in Figure 12 has an int...

Страница 32: ...es including sample flow initiation analysis back purge and zero calibration range sensitivity selection fault detection temperature zone control and fail safe back purge in the event of an analyzer fault Operators are alerted to an abnormal state or fault occurrence through indicators on the local display located on the control cabinet door as well as fault and warning relay contact closures The ...

Страница 33: ...maintenance procedure given in Section 6 2 3 2 1 Cabinet Purge Air Flow Adjust Valve The Cabinet Purge Air Flow Adjust Valve controls the rate of purge air entering the control cabinet The Cabinet Purge Air Flow Adjust Valve is located inside the purge control box mounted on top of the analyzer shown in Figure 12 This control box can only be opened with the key that is supplied along with the anal...

Страница 34: ... flag cannot be achieved this indicates that there is a leak somewhere in the control cabinet that is preventing the necessary positive pressure from being established inside the control cabinet Check the retaining nuts on the cabinet door latches and tighten if necessary Also check the rubber sealing strip around the door opening for damage 3 2 2 Cabinet Cooler Air Valve A vortex cooler is mounte...

Страница 35: ...sample handling system as possible This is accomplished using a cold finger sample probe condenser at the probe tip that condenses sulfur vapour inside the process pipe as shown in Figure 16 Figure 16 Sample Probe Sulfur condensing on the probe s cold finger is hydrostatically returned to the process stream and does not enter the sample probe Air flow to the probe condenser is controlled via a sol...

Страница 36: ...on operations The zero calibration is performed when the analyzer is in back purge condition and the probe and sample handling system including the measurement cell are full of zero gas Under normal operating circumstances the valve is adjusted so that the response time from sample conditions to a stable zero reading is between 2 and 5 seconds although depending on the sample probe length this tim...

Страница 37: ...or drive air at the aspirator suction port and is expelled back down the sample probe nozzle and into the process pipe In practice the aspirator drive air flow is adjusted such that the response time from a zero signal to stable process measurement is less than 30 seconds though the actual response time is highly dependent on the sample probe length the longer the probe the longer the response tim...

Страница 38: ... user configurable for range output parameter and output behaviour The digital output relay signals are used for outputting analyzer and purge status signals 3 3 1 Analog Outputs There are four available analog outputs available on the 943 TGXeNA The analog outputs are all loop powered 4 20 mA outputs which are fully user configurable for output parameter output range and update behaviour when the...

Страница 39: ...er control cabinet The function of each relay is described in the following sections 3 3 2 1 Status The Status output indicates whether there are any faults present that will force the analyzer into back purge mode until the fault is cleared Table 3 describes the Status relay states Table 3 Status Relay States State Display Indicator Colour Explanation Normal Green All monitored system parameters ...

Страница 40: ...is an issue with the analyzer that if left unchecked could lead to a fault condition The warning condition will clear when the parameter that caused the warning condition returns to its normal range 3 3 2 3 Mode The Mode output indicates when a zero calibration either manually requested or automatic is in progress Table 5 describes the Mode relay states Table 5 Mode Relay States Condition Display ...

Страница 41: ...tput on the analog outputs are valid current measurements of the tail gas process steam If the Control relay is in the Manual state this indicates that the analyzer believes that the data being output may not be valid The purpose of this indicator is to signify when the analyzer outputs are suitable for use as closed loop control inputs When this indicator is in the Manual state no control action ...

Страница 42: ...x will be red and the Loss of Purge relay will be in the fault state The relay contacts of the Loss of Purge relay MUST be connected to a plant alarm system in a continuously attended location such as in the plant control room in order to maintain the hazardous location certification of the analyzer ...

Страница 43: ...is and status information as well as to make changes to some analyzer operational parameters 4 2 Using the Local Display and Handheld Keypad 4 2 1 Local Display User Interface The local display user interface consists of a series of panels which are accessed via tabs at the top of the screen The different panels of the local display user interface display a variety of different information and are...

Страница 44: ...Changes the active panel to the next panel The next panel is the tab to the right of the current displayed tab When at the right most tab pressing this key will move to the left most tab FIELD PREV On a panel with actionable controls or editable fields pressing this key will move to the previous top to bottom right to left control or field FIELD NEXT On a panel with actionable controls or editable...

Страница 45: ... to highlight it and then pressing ENTER to toggle it When this control is set to Offline mode it will become red At the same time the Control relay state will change from the Auto state to the Manual yellow state indicating that the analyzer believes the output data to be invalid Once maintenance is complete this toggle should be set back to the Online state by again highlighting it using the FIE...

Страница 46: ...and The Air Demand field and Air Demand trend graph shown in Figure 22 show the current calculated Air Demand Excess Air and the recent trend in the Air Demand data The Air Demand field is read only and cannot be edited Figure 22 Air Demand Value and Trend The air demand reading is an indicator of the current process status relative to the optimal ratio typically a 2 1 ratio H2S SO2 If the air dem...

Страница 47: ...that maintenance will be required soon Refer to the Indicators panel to diagnose which fault s and or warning s are active See Section 4 5 for more details about specific faults and warnings If Mode and Control are both yellow this indicates the analyzer is carrying out a zero calibration For more information on the relay outputs refer to section 3 3 2 4 3 4 Manual Zero The Manual Zero control is ...

Страница 48: ...e This purge continues for the duration specified by the Zero Purge Interval parameter refer to Section 4 8 4 Once the zero purge time has elapsed the computer collects 10 spectrometer scans on zero gas and averages them together to calculate a new zero baseline 5 The Zero Sample solenoid switches on allowing sample gas to be drawn back up the probe and into the analyzer sample handling system and...

Страница 49: ... to the currently inactive mode i e pressing purge while the analyzer is sampling will cause it to switch to back purge mode and vice versa Prior to performing any maintenance particularly if any sample system tubing is to be disconnected the analyzer should be placed into back purge mode and purged for at least 5 minutes This will prevent any toxic gases from remaining in the sample system if tub...

Страница 50: ...oes show all other concentration values including CS2 if the analyzer is configured for this measurement On the Analysis 2 panel the largest data fields are for the percentage concentrations of H2S and SO2 with the COS CS2 if present and Air Demand fields being smaller in size The trend graph shown below the H2S and SO2 indicators indicates the recent trend in concentration for all measured parame...

Страница 51: ...ion of a probe plugging problem Refer to section 7 9 for details Cell Temperature 140 160 C Indicates the measured temperature of the measurement cell block If temperature goes outside user configurable range analyzer will go into fault mode Probe Temperature 110 120 C Measures the temperature of the gas coming out of the sample probe If temperature falls outside user configurable range analyzer w...

Страница 52: ...oloured squares at the right is a column of indicators that indicates current status If all these squares are green there are no active faults or warnings and the analyzer is operating normally If at least one of the fault indicators is red the analyzer will be in fault condition and cannot analyze sample this fault condition cannot clear until ALL of the fault indicators change to green The analy...

Страница 53: ...lve Refer to Section 7 2 for more detail on how to troubleshoot active faults 4 5 2 Warning Conditions Table 10 describes each of the warnings listed in the warning table on the Indicators panel Table 10 Analyzer Warnings Warning Explanation Cabinet Temperature Control cabinet internal temperature is either below low cabinet temperature setpoint or above high cabinet temperature setpoint High Abso...

Страница 54: ...els The x axis of the spectrum is unlabelled but it shows the wavelength range with the shortest wavelengths at the left and the longest wavelengths on the right Only a range of 530 of these pixels is actually used for calculating the concentration values The higher the A D counts are for a given wavelength the greater the intensity of the light transmitted through the measurement cell to the dete...

Страница 55: ...ion time is a compromise to optimize the resolution while minimizing noise in the spectrum A short integration time will optimize the resolution and show fine detail in the spectrum but the noise level may be relatively high Contrarily a long integration time will reduce noise but fine detail in the spectrum may be lost The integration time has a maximum value of 1000 milliseconds The optimal inte...

Страница 56: ...ts The integration period should be reduced until the indicated peak height drops below 32000 If the indicated peak height is less than 24000 the integration period should be increased If the integration time is already at 1000 ms this indicates a problem with the analyzer s optical system Refer to Section 7 2 for more details on troubleshooting analyzer problems 4 6 1 Factory Reference The Factor...

Страница 57: ...ssue with plugging in the sample probe Refer to Section 7 9 for details on how to clear a plugged probe The New Reference button is used to make the analyzer use the currently displayed transmission spectrum to calculate a new zero baseline without carrying out a full zero calibration cycle Highlight the New Reference button by using the FIELD NEXT FIELD PREV keys then pressing ENTER Pressing New ...

Страница 58: ...that the absorbance spectrum does become a horizontal line at 0 AU The shape of the absorbance spectrum when sampling depends primarily on the concentrations of H2S and SO2 in the sample Other components are generally not present in high enough concentrations to be visibly recognizable on the absorbance spectrum Figures 36 and 37 show the typical appearance of absorbance spectra for H2S only and S...

Страница 59: ...eypad Note that pressing PANEL NEXT from the right most sub panel Network will return to the Analysis 1 tab and pressing PANEL PREV from the left most sub panel Outputs will go back to the Absorbance panel Unauthorized modification of the values of many of the parameters available in the Config panel could result in the analyzer becoming unable to function correctly The parameters on this panel sh...

Страница 60: ...cale should be chosen accordingly Scale ranges from 0 4 mA to Full Scale 20 mA The full scale value for the analog output can be entered into the Full Scale field by highlighting it using the FIELD NEXT FIELD PREV keys then pressing ENTER to enter data entry mode Enter in the desired full scale value then press ENTER again to save Press EXIT to discard any changes Above the Full Scale field are tw...

Страница 61: ...he Okay button and press ENTER again Once all desired edits have been completed select the Save button at the bottom right of the screen and press ENTER to save changes permanently Alternatively selecting Revert and pressing ENTER will return all edited values to their previously saved values Unauthorized modification of the values of ANY of the calculation parameters listed in on this sub panel c...

Страница 62: ... use different ratios H2S SO2 Span 1 Span factor applied to the calculated concentration of H2S SO2 prior to being displayed on analyzer screen and output on analyzer outputs Can be used to make fine adjustments to analyzer calibration COS SVAP CS2 Span 1 if used 0 if not used Span factor applied to the calculated concentration of COS sulfur vapour CS2 prior to being displayed on analyzer screen a...

Страница 63: ... in sampling mode Sample Rate and in back purge mode Zero Sample rate The time values entered in these two fields are in units of milliseconds The default value for each sampling rate is 500 ms 4 8 3 Display The Display sub panel shown in Figure 40 allows the user to configure certain parameters that affect how data is displayed on the analyzer s local display screen Figure 40 Display Sub Panel 4 ...

Страница 64: ...ined 4 8 3 2 Backlight Adjustment The intensity of the analyzer display s backlight can be adjusted on this sub panel Simply use the FIELD NEXT FIELD PREV keys to highlight either the More brighter or Less dimmer buttons then press the ENTER Key continually until the display brightness is adjusted the desired level When the slider is at the left most position the display backlight is completely of...

Страница 65: ...o Purge Interval 15 sec The time period that elapses after the analyzer is placed into back purge mode for a zero calibration cycle either manual or automatic prior to the initiation of the zero calibration cycle This value should be at least 10 seconds longer than the minimum amount of time required to completely purge the measurement cell of all sample gas and fill it completely with zero gas Th...

Страница 66: ...rature setpoint the temperature must drop before switching off the cabinet cooler cooling air flow A larger number will reduce the number of actuation cycles for the cabinet cooler solenoid potentially extending its useful life Probe Setpoint 110 C Temperature control setpoint for the sample gas exiting the probe If the temperature of the gas exiting the probe into the analyzer sample system excee...

Страница 67: ... activated causing the Status relay to switch to Fault state and the Control relay to switch to Manual state There is a 3 C deadband on this setpoint If the probe temperature rises to more than 3 C above this setpoint and no other fault conditions exist the analyzer will then perform a zero calibration cycle and then return to normal operation NOTE This alarm is only active the Control with RTD fu...

Страница 68: ...tion bar of a web browser running on the local PC and is used to access the analyzer s web based graphical user interface GUI Refer to Section 5 for more details The Netmask and MAC Address fields show other network related parameters The Status field shows the current status of the network connection If there is no computer connected to the analyzer it will read Inactive If there is a computer co...

Страница 69: ...d Name Servers to the analyzer when it is connected to the LAN the type of network chosen should be DHCP Use the FIELD NEXT FIELD PREV keys to highlight DHCP then press ENTER to place an X in the checkbox The analyzer will then automatically be assigned the relevant network parameters and the fields will then populate If the plant s LAN cannot automatically assign the necessary network parameters ...

Страница 70: ...active connection into the navigation bar of a web browser running on the connected computer While other browsers may also be able to succesfully access the web GUI for best results Galvanic Applied Sciences recommends the use of Mozilla Firefox Any changes that are made to the analyzer configuration via the web GUI and saved to the analyzer will be displayed on the analyzer s local display After ...

Страница 71: ...the Navigation menu will collapse any previously expanded sections After clicking on a specific information page to access it a list of tips associated with the displayed information page will be displayed on the left side of the window below the navigation window These tips will provide information on how to interpret interact with and or modify the data displayed in the information window 5 2 An...

Страница 72: ...H2S in percent SO2 Present calculated concentration of SO2 in percent COS Present calculated concentration of COS in percent CS2 Present calculated concentration of CS2 in percent NOTE CS2 is an optional measurement Only analyzers configured with this option will be capable of measuring CS2 Sulfur Vapour Present calculated concentration of sulfur vapour in percent Cell Pressure Present measured pr...

Страница 73: ...urrent sampling status of the analyzer Solid Green Sample Analyzer is in sampling mode analyzing process sample gas Flashing Red Back purge Analyzer sample system is being purged with zero gas as during zero calibration cycle manual back purge or fault state back purge Sample Pressing this button will place the analyzer in sampling mode if currently in back purge mode NOTE Analyzer can only be pla...

Страница 74: ...reen analyzer is currently monitoring process sample Flashing Red Calibrate Analyzer is currently carrying out a zero calibration cycle either automatically initiated by timed schedule or manually initiated from keypad or web GUI Control Shows the current state of the Control relay Solid Green Auto Analyzer is currently in automatic control which means that analyzer output signals can be considere...

Страница 75: ...trend graphs does NOT change the scale on the analog outputs for these parameters These scales are for display purposes ONLY and have no effect on any other aspect of the analyzer operation 5 2 2 Calibration Matrix Page The Model 943 TGXeNA uses a spectrometer that connects to the control computer via a USB connection for the collection of the spectrum data needed for the calculation of concentrat...

Страница 76: ...ix page allows the user to determine whether the installed calibration matrix is correct for the installed spectrometer by comparing the displayed calibration matrix with the calibration matrix file that is associated with the spectrometer s unique serial number The serial number of each spectrometer is found on the body of the spectrometer as visible in Figure 48 As the calibration matrix is uniq...

Страница 77: ...re Measurement cell temperature is below low cell temperature fault setpoint High Cell Temperature Measurement cell temperature is above high cell temperature fault setpoint Low Probe Temperature Temperature of gas exiting the probe is below the low probe temperature setpoint High Probe Temperature Temperature of gas exiting the probe is above the high probe temperature setpoint IO Board Control c...

Страница 78: ...oncentration warning setpoint Some of these warnings may clear by themselves but others will not be able to be cleared without performing maintenance on the analyzer Refer to section 7 2 for more detail on how to troubleshoot active warnings 5 2 4 Spectrum Page The Spectrum page shown in Figure 51 shows identical information to the Spectrum panel on the analyzer s local display Figure 51 Spectrum ...

Страница 79: ...ak Displays the peak height of the spectrum in A D counts Should be approximately 28000 29000 when analyzer is in back purge mode First Vector Pixel Level Displays the intensity of light being received at the first vector pixel in A D counts The first vector pixel is the first pixel that is used for calculating concentration values Dark Level Displays the intensity of light being received when the...

Страница 80: ...splay Factory Reference checkbox is checked by clicking on it the factory reference spectrum is shown superimposed on the same axes as the currently displayed spectrum Take note of the following rules of thumb when comparing the pink trace of the factory reference with the red trace of the current transmission spectrum The factory reference should be largely similar to the current transmission spe...

Страница 81: ...kbox into the Stop Polling checkbox Once changed to a static spectrum a specific section of the X axis can be zoomed into by left clicking and holding on the desired starting pixel then dragging the green highlight that appears to the desired end pixel After releasing the left mouse button the selected pixel range will expand to fill the whole graph field The zoomed in section will also be shown i...

Страница 82: ...zable on the absorbance spectrum Figures 56 and 57 show the typical appearance of absorbance spectra for H2S only and SO2 only Figure 56 Absorbance Spectrum for H2S Figure 57 Absorbance Spectrum for SO2 In most typical operating conditions the tail gas stream will not contain only H2S or only SO2 so typically the displayed absorbance spectrum will appear as a combination of the H2S spectrum and th...

Страница 83: ...tional parameters that can be viewed or edited Figure 58 Configuration Parameters Page The parameters given on this page are grouped together by colours which indicate the type of parameter they are The colour grouping for the various parameters is given in Table 23 Table 23 Parameters Page Colour Code Background Colour Type of Parameter Pink Temperature related parameters including both control a...

Страница 84: ...ture fault will be triggered High Probe Temperature Alarm Y Config Timers Alarms Probe gas temperature above which high probe temperature fault will be triggered Cabinet Temperature Set Point Y Config Timers Alarms Control cabinet temperature above which the cabinet cooler will be turned on Cabinet Temperature Dead Band Y Config Timers Alarms Number of degrees below cabinet temperature setpoint th...

Страница 85: ...panel of the local display Analog Input 3 is Hydrogen N N A Enable the measurement of Hydrogen via a sensor connected to Analog Input 3 on the IO board If this option and the previous option are enabled this measurement will be displayed on the Analysis 2 panel of the local display Sample Rate Y Config Calculation Rate at which the displays and output data are updated when the analyzer is in sampl...

Страница 86: ...32 Figure 60 Modbus Page As there are many possible configurations for Modbus communication this manual will only cover the basics If the user requires assistance in configuring the Modbus for their specific application the Service Department of Galvanic Applied Sciences Inc will be able to assist Contact the Service Department at support galvanic com for more information The bottom two lines of t...

Страница 87: ...s transmitted first whereas in Little Endian the least significant bit is transmitted first Note Only used if Modicon 32 format is chosen Baud Rate Selects the Baud Rate to be used for communication between the analyzer and the DCS Usually 9600 but may differ depending on the DCS being used Note Only used if RS485 serial communication is used for Modbus Data Bits Number of data bits transmitted at...

Страница 88: ...and XE Available Points Control Command Allows for remote control of the analyzer via Modbus If a 1 is placed into the register for any of these points that will force that command to be performed Available remote commands are Go Online Go Offline Force Zero forces analyzer into back purge mode Manual Zero performs a Zero Calibration Cycle and Sample Mode switches analyzer into Sampling mode if cu...

Страница 89: ...to which the point is to be added is highlighted in blue release the left mouse button The point will then be added to the list in that note When additional data points are added to a node they are added at the bottom of the list Once data points have been added to a Modbus list the Modbus list can then be further edited by right clicking on a specific data point A menu like the one shown in Figur...

Страница 90: ... 2 Modicon 16 Format If Modicon 16 is chosen as the Modbus format the Modbus list will contain 4 nodes as shown in Figure 64 Figure 64 Modicon 16 Format The Modicon 16 Modbus format contains 4 nodes on the Modbus tree Output Coils Status Input Status Input Register and Output Holding Register The Input Status and Output Coils Status nodes contain Boolean data points Data points in the Input Status...

Страница 91: ...lding Register node and are Register Short Register Long and Register Float Thus the input and output registers can output data in 16 bit short 32 bit long or 32 bit with floating point float in the Modicon with Floating Point Modbus list Long and Short registers can contain whole number integer data while Floating Point registers can contain integer data with decimal points The Output Coil Status...

Страница 92: ...t Air Demand and this parameter was used to set the range of the air demand output In current software version all AOs can be configured individually so this parameter has no real use Dark Start Pixel N N A Pixel number out of 2048 where the spectrometer starts looking at the dark level The displayed dark level is an average of the dark level on all pixels between this pixel and the first vector p...

Страница 93: ...nfigures the parameter output on each of the analyzer s four analog outputs Available output parameters for each output as per Table 12 Section 4 8 1 Analog Output 1 2 3 4 Full scale Y Config Outputs Concentration value corresponding to an output of 20mA for each output NOTE For all parameters but air demand 4 mA corresponds to a concentration of 0 For Air Demand 4 mA corresponds to negative full ...

Страница 94: ...checked 2 Enter in the current password in the Enter Old Password 3 Enter the desired new password twice in the Enter New Password twice fields 4 Click on OK 5 If the current password is entered correctly and the new password entered twice matches the dialog box will disappear and the new password is now valid If the current password is entered incorrectly or the new passwords entered twice don t ...

Страница 95: ...nloaded from the analyzer and displayed 5 5 3 Revision History Page When the Revision History page is opened the revision number of the web GUI software installed on the analyzer is displayed as shown in Figure 69 Please refer to this revision number when making inquiries about the analyzer software Figure 69 Revision History ...

Страница 96: ...uing to operate in an optimal manner and all operating parameters are within a normal range It consists of Visual Inspection of the Key Operating Parameters displayed on analyzer s local display Section 6 2 1 Verification of analyzer s response time both sample to zero and zero to sample Section 6 2 2 Weekly completion of the Maintenance Check out Procedure Section 6 2 2 The operator should comple...

Страница 97: ... 5 to 5 change in air demand should be gradual and not sudden H2S and SO2 Analysis 2 Depends on process should not be off scale ratio should be reasonably close to 2 1 H2S to SO2 any indicated changes on trend lines should be gradual and not sudden Absorbance Absorbance Peak absorbance given on absorbance graph should not exceed 2 AU 6 2 2 Maintenance Check Out Procedure It is recommended that thi...

Страница 98: ...than 16 000 the signal peak height should be optimized using the Optimize Integ Time button Refer to Section 4 6 6 Return to the Analysis 1 panel Ensure that the Status indicator is green Normal and the Service indicator is also green Normal Check the displayed concentration values If they are not very close to zero 0 02 for all indicated values a Manual Zero should be performed Refer to Section 4...

Страница 99: ...e Integration Period Air Demand H2S SO2 Forced Zero On Time to Stabilize Air Demand H2S SO2 Spectrum Spectrum Peak Height Standard Spectrum Shape Yes No Optimize Integration Time Yes No New Integration Time Configuration Configuration Changed Yes No New Configuration Saved Yes No Forced Zero Off Time to Stabilize As Left Fault Condition Cell Temperature Cabinet Temperature Cell Pressure Integratio...

Страница 100: ...0 ms When the analyzer is exhibiting a loss of spectrometer signal level a high integration period 500ms required to reach 28 000 A D counts and all other potential causes of loss of spectrometer signal have been ruled out dirty cell windows lamp near the end of its lifespan damaged optical fibres the cause of the low response is likely expired anti solarant solution Under these circumstances the ...

Страница 101: ... path to protect it from unfiltered exposure to the UV Source Lamp 2 Loosen the light shield retaining screw on the bottom right side of the fluid holder and remove the light shield 4 in Figure 70 3 Loosen the fluid holder locking screw s on the left side of the fluid holder using a 7 64 ball driver 2 in Figure 70 4 Lift the fluid holder from the base by grasping the fluid holder filler plug 3 in ...

Страница 102: ...ighten the light shield retaining screws on the bottom right side of the fluid holder 4 in Figure 70 13 Remove the protective plastic cap from the disconnected source fibre and reconnect it to the fluid holder bracket 1 in Figure 70 Hand tight is sufficient for this connection 14 Reoptimize the spectrometer energy level as described in Section 6 4 6 4 Optimizing the Spectrometer Signal Optimizatio...

Страница 103: ...yzer back into ONLINE mode by toggling the button on the Analysis 2 panel 6 4 2 Manual Optimization 1 Place the analyzer in back purge mode This can be done by selecting the Back Purge field on the Analysis 1 panel and pressing the ENTER key to place an X in the box OR by pressing the PURGE key on the keypad 2 Access the Spectrum panel 3 If the peak level is between 25 000 and 28 000 then no adjus...

Страница 104: ...mpleted place the analyzer back in Sampling mode by selecting the Sample field and then pressing ENTER to put an x in the box OR pressing PURGE on the analyzer keypad 10 Place the analyzer back into ONLINE mode by toggling the button on the Analysis 2 panel ...

Страница 105: ...all out basis and or factory assistance on the 943 TGXeNA analyzer For Service and or Assistance Contact Galvanic Applied Sciences Inc 7000 Fisher Road SE Calgary Alberta T2H 0W3 Canada Tel 403 252 8470 TOLL FREE CANADA US 1 800 458 4544 INTERNATIONAL 1 978 848 2708 Fax 403 255 6287 Email support galvanic com 7 2 Indicators Panel Troubleshooting The Indicators panel shown in Figure 71 shows a hist...

Страница 106: ...ndows are dirty Optical Fibres have become damaged Dark Range Spectrometer problem consult factory I O Board The I O board is not communicating with the controller board The spectrometer is not communicating with the controller board Check ArcNet wiring Check USB connection at spectrometer and at top of controller board Cabinet Temperature Cabinet cooler air solenoid not functioning Air supply to ...

Страница 107: ... holder and check if the High Integration Period warning is still present when operating without anti solarant solution BEFORE proceeding with the fibre test procedure If the High Integration Period warning clears when the anti solarant fluid holder is removed this indicates that the anti solarant solution has degraded to a non usable level and needs to be replaced as per the procedure described i...

Страница 108: ...sing the PANEL NEXT PANEL PREV keys on the keypad navigate to the Spectrum panel 9 Use the FIELD NEXT FIELD PREV keys to select Optimize Integ Time and press ENTER to optimize the integration period It may be necessary to press ENTER more than once to get a peak height 28000 A D counts 10 Use the FIELD NEXT FIELD PREV keys to select Show Factory Reference and press ENTER to display the factory ref...

Страница 109: ...6 If both fibre optic cables are found to be good and the UV lamp was last replaced 6 months ago the High Integration Period warning is likely due to dirty measurement cell windows Refer to Section 7 5 for cleaning replacement procedure If at least one cable is found to require replacement obtain the necessary replacement s and then continue with this procedure 17 Slide the short source fibre opti...

Страница 110: ...ing to the set point temperature 27 Close and latch the oven cover 28 Close and latch the control cabinet and oven cabinet doors 29 Confirm that the High Integration Period warning has not returned 30 Once the measurement cell temperature rises to 140 C and the Cell Temperature fault has cleared use the PANEL NEXT PANEL PREV keys to navigate to the Analysis 1 panel Perform a manual zero calibratio...

Страница 111: ...8 months ago standard lifespan lamp or 16 months ago long lifespan lamp it is advisable to investigate the other potential causes listed in Table 33 prior to replacing the lamp The lamp life is inversely proportional to the number of restarts on a particular lamp The lamp should ONLY be turned off when absolutely necessary to preserve lamp lifespan An iris is installed on the lamp holder between t...

Страница 112: ... lamp power switch is indicated in Figure 73 Figure 73 UV Lamp Enclosure 5 Remove the UV Lamp Enclosure lid by removing the four 4 socket head cap screws and pulling the cabinet lid outwards The lamp enclosure lid has a safety cutoff switch underneath it that will automatically cut off power to the lamp supply enclosure when the lid is removed However for safety reasons the power supply should ALW...

Страница 113: ...d in Figure 74 by the red circle 1 7 Disconnect the three 3 lamp connection wires from the terminal strip circled in yellow in Figure 74 2 8 Remove the two lamp retaining screws 5 40 x 3 8 from the lamp retaining ring using a 3 32 ball driver passed through the removed hole plugs The location of the front retraining screw is marked by the blue circle 3 in Figure 74 9 Remove the lamp 10 Place the n...

Страница 114: ...rminal If the lamp has two black wires instead of a blue and a black connect one of the black wires to the blue terminal and the other to the black terminal 14 Reinstall the UV lamp enclosure cover Tighten the cover cap screws 15 Reconnect the AC terminal block fuse terminal on terminal block ACTS 28 by pressing down and snapping it into place Place the UV Lamp power switch to the ON position 16 C...

Страница 115: ...onnel only Follow the procedure to remove the measurement cell block from the analyzer 1 Place the analyzer in Offline mode by toggling the Online Offline control toggle Section 4 3 1 on the Analysis 2 panel to Offline red 2 Place the analyzer in back purge mode by pressing the PURGE key on the keypad OR by placing the X in the Back Purge check box on the Analysis 1 panel 3 Access the purged contr...

Страница 116: ...otective caps 9 Loosen one of the cell tubing fittings to vent positive pressure zero gas that may be trapped in the sample system 10 To remove the measurement cell block tubing connected to the measurement cell block assembly must first be removed Disconnect the fittings circled in Figure 76 Figure 76 Oven Enclosure 11 Using a 7 64 ball driver remove the 6 32 x 3 8 screw securing the cell RTD to ...

Страница 117: ... windows to become sufficiently dirty to reduce their transparency to ultraviolet radiation which can lead to a High Integration Period warning Cleaning or changing the cell windows is most easily accomplished by removing the entire measurement cell assembly from the oven enclosure as described in Section 7 6 It is recommended that the measurement cell assembly is opened in a clean environment suc...

Страница 118: ...ked discoloured etc discard and replace them with new ones If the windows are not damaged they should be cleaned with isopropyl alcohol using a non abrasive lint free tissue such as KimWipes or a cotton swab Thoroughly rinse the cleaned surface with pharmaceutical grade distilled water They should be wiped dry using a soft lint free cloth or tissue Commercially available lens or window cleaning so...

Страница 119: ...at this point A small screwdriver or awl may be used to align the tapped holes in the bracket with the screw holes in the measurement cell 3 Install the remaining screws Once all four screws have been partly screwed in they can all be tightened 4 Install any remaining removed tubing that has yet to be re installed 5 Tighten all the Swagelok fitting connections that were opened during the measureme...

Страница 120: ...ghting the Sample checkbox using the FIELD NEXT FIELD PREV keys then press ENTER Alternatively press the PURGE key 19 Once normal operation has been confirmed return the Online Offline control toggle on the Analysis 2 panel back to Online green The oven can take up to two hours to reach operating temperature While the cell temperature is below the Low Cell Temperature fault set point the system wi...

Страница 121: ...lysis 1 panel 3 Open the oven cabinet door and remove the black lid on the oven enclosure The control cabinet door may NOT be opened while the analyzer is energized UNLESS the area is known to be non hazardous Observe all the warning labels on the analyzer enclosures The oven enclosure and all of its components are HOT 150ºC 300ºF Wear appropriate personal protective equipment gloves eye wear clot...

Страница 122: ...ure fault has cleared use the PANEL NEXT PANEL PREV keys to navigate to the Analysis 1 panel Perform a manual zero calibration cycle by using the FIELD NEXT FIELD PREV keys to highlight Manual Zero then press ENTER 21 Once the manual zero calibration cycle is complete place the analyzer into sampling mode by highlighting the Sample checkbox using the FIELD NEXT FIELD PREV keys then press ENTER Alt...

Страница 123: ...ted fibres connected to the UV lamp or place them in contact with skin The intense UV radiation transmitted through these fibres can cause eye and skin damage Fibres should be capped immediately after disconnection to prevent acidental exposure to UV radiation 4 Disconnect the USB cable from the front of the spectrometer 1 5 Disconnect the air trickle purge line connected to the bottom left corner...

Страница 124: ...the procedure below to update the spectrometer calibration matrix file 1 Connect a laptop computer to the local Ethernet port Ensure that the local Ethernet connection displayed in the Config panel Network sub panel displays as Active 2 In a web browser program on the connected PC enter in the IP address of the analyzer followed by Utility html for the local Ethernet port this would be http 192 9 ...

Страница 125: ... must be rebooted before it will start to use the new calibration matrix file 5 Once the analyzer has rebooted navigate to the Calibration Matrix page in the web GUI refer to Section 5 2 2 and confirm that the first several rows of the displayed calibration matrix match the first several rows of the calibration matrix printed in the PDF file supplied with the spectrometer 6 Navigate to the Factory...

Страница 126: ...Revision 5 126 August 2021 the PDF file Once both parameters have been edited click on Save to save the changes to the analyzer ...

Страница 127: ...specifications and is built to meet the customer s specific requirements This chapter consists of a number of forms which provide the overall QA procedure and should be retained 8 2 Overall System Identification Proposal Purchase Order Number Sales Order Reference Serial Number Customer Name Facility Address Primary Contact Name Primary Contact Telephone Number Primary Contact e mail Inspection So...

Страница 128: ... Purge System Checked Aspirator Performance Tested Gas Runs Complete Calibration Data Sheet Temperature Sensor Inputs Checked and Calibrated Analog Output Calibration Checked Digital Output Checked System 24VDC Supply Checked Span Factor Set Condenser Solenoid Function Checked Zero Solenoid Function Checked Control Cabinet Air Solenoid Function Checked Operation of Cell Heaters Checked Burn Oven f...

Страница 129: ...ngs and schematics are provided in this section These drawings are also available in PDF format via the Help section Drawing page in the web GUI For serial number specific drawings refer to the USB key that is shipped with the analyzer Figure 81 Mounting and Service Connections ...

Страница 130: ...Revision 5 130 August 2021 Figure 82 Oven Cabinet Door Removed ...

Страница 131: ...Revision 5 131 August 2021 Figure 83 Control Cabinet Door Removed ...

Страница 132: ...Revision 5 132 August 2021 Figure 84 Power Steam Air Signals Connection Details ...

Страница 133: ...Revision 5 133 August 2021 Figure 85 AC Wiring Schematic ...

Страница 134: ...Revision 5 134 August 2021 Figure 86 DC Signals and Wiring Diagram ...

Страница 135: ...Revision 5 135 August 2021 Figure 87 Flow Diagram ...

Страница 136: ...ds depends on probe length Physical Specifications Size Outside Dimensions including Mounting Frame 57 W x 41 25 H x16 D 145 cm x 105 cm x 41 cm Analyzer cabinets Two cabinets each 24 W x 30 H x 12 D 61 cm x 76 2 cm x 30 cm Weight Total System on Frame Approximately 275 lbs 125 kg varies with options Services Required Electrical 100 240 Vac 1 phase 50 60 Hz 800 W Instrument Air 17 SCFM at 80 psi m...

Страница 137: ...tor list found at the following website https www galvanic com service support representatives Table 35 Recommended Spare Parts 1 Year Kit Item Description Part Number Quantity Unit of Measurement Cell Window BA7118 2 each O Rings for Cell Windows CO7134 20 each UV Source Lamp BA7195 standard lifespan OR BA7532 long lifespan 1 each Anti Solarant Solution CO7312 1 Bottle Fuse 1 5 Amp PC7090 1 Pkg o...

Страница 138: ...control cabinet door may NOT be opened while the analyzer is energized UNLESS the area is known to be non hazardous Observe all the warning labels on the analyzer enclosures Enter the IP address of the analyzer followed by io html i e for a locally connected computer the address would be http 192 9 200 16 io html into the address bar of a web browser running on the connected computer and press Ent...

Страница 139: ...status of the inputs and outputs that are under the supervision and control of the IO board The information on this page is read only and cannot be edited by the user Figure 89 Status Page At the top of the page is an Online indicator which indicates whether the board is under the control of the analyzer s control computer In normal operation this will always be green The indicator will be red Dir...

Страница 140: ...s of the IO board s four solenoid control relays A grey indicator indicates the solenoid is deenergized while a red indicator indicates the solenoid is energized P6 Connector indicates that the solenoid connections are made to the P6 terminal block on the IO board Solenoid 1 cabinet cooler solenoid Solenoid 2 Sampling Backpurge solenoid energized sample deenergized backpurge Solenoid 3 probe coole...

Страница 141: ...ffline state prior to performing any operations under Direct Board Control When work is complete on this page the Direct Board Control Enable checkbox must be unchecked manually to return the IO board to automatic control otherwise the analyzer will be unable to function normally 12 3 1 Analog Output Calibration and Testing Each Analog Output box allows the user to configure calibrate and test an ...

Страница 142: ...he Zero heading and press the Auto Cal button This will adjust the Zero output to exactly 4 mA If the meter reading is still not exactly 4 mA repeat the process 6 Press the Output Span button The output current from the analog output will change to approximately 20 mA 7 Enter the reading from the meter in the Meter Reading field under the Span heading and press the Auto Cal button This will adjust...

Страница 143: ...ard for each analog output is directly proportional to the magnitude of the output current That is to say the LED will be brighter when outputting 20 mA than when outputting 4 mA 12 3 2 Testing the Digital Input The IO board has a single digital input at terminal block P5 that is used for remote initiation of a zero calibration cycle This digital input can be tested using the procedure below 1 Ens...

Страница 144: ...le will be red and the checkbox will have a checkmark in it To energize a deenergized relay simply place a checkmark in the checkbox by clicking on it To deenergize an energized relay remove the checkmark in the checkbox by clicking on it Confirm with the control room that the signals are being received correctly If the install location is not too loud it should also be possible to hear an audible...

Страница 145: ...o Cal Interval 65 84 Available Points 87 Fault Status 88 Relay Status 88 B Back Purge 17 36 48 73 Baud Rate 87 Beer Lambert Law 62 Big Endian 87 C Cabinet Cooler Air Valve 34 Cabinet Deadband 66 Cabinet Purge Air Flow Adjust Valve 33 Cabinet Setpoint 66 Cabinet Temperature 34 51 Cabinet Temperature Dead Band 84 Cabinet Temperature Set Point 84 Calibration Matrix 15 75 82 Calibration Matrix Page We...

Страница 146: ...h S8 Warn Setpoint 67 High SVAP Alarm 84 High SVAP Warning 84 I Indicators Page Web Based GUI 76 Indicators Panel 51 Ingress Protection IP Rating 20 Installation Procedure 21 Instrument Air Clearing Sample Handling System Probe Blockages 36 Flow Control Settings 33 Pressure and Flow Requirements 20 Pressure Regulator 38 Pressure Regulator 29 Supply Connection 29 Integration Period 55 85 Automatic ...

Страница 147: ...Oven Cabinet 15 Oven Enclosure 17 Oven Heaters Powering Off 107 P Parameters Page Web Based GUI 83 Parity 87 Password Web Based GUI 85 88 Changing the Passwords 94 Factory Password 92 Peak Height 55 56 Plant Factor 14 62 93 Probe Control 93 Probe Deadband 66 Probe Setpoint 66 Probe Temperature 51 Probe Temperature Dead Band 84 Probe Temperature Set Point 84 Product Quality Assurance Program 126 Pu...

Страница 148: ...ubleshooting Potential Solutions 106 U Update Mode 94 Update Mode Web Based GUI 85 88 92 User Manual Page Web Based GUI 95 UV Source Lamp 14 100 Enclosure Layout 112 Lifespan 111 Mounting Orientation 113 Power Off Switch 112 Replacement Procedure 111 Troubleshooting 110 V Vortex Cooler 34 W Warning Condition 40 52 Description of Each Type 53 77 Web Based GUI Analysis Section See Analysis Section C...

Страница 149: ...021 Reason for Revision The changes incorporated in Revision 4 of the Operation Manual are in the addition of the level of detail for clarity only and do not affect product processes or methods of protection used for approval ...

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