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Revision 4

April 2020

Section 6

Maintenance

6.1

Overview

The Model 943-TGX-CE is designed for automatic trouble-free operation under the continuous
supervision and control of the

analyzer’s control computer. However, periodic maintenance is

required to keep the analyzer performing at optimal levels. Maintenance requirements include:

•

Routine preventative maintenance (Section 6.2)

•

Periodic operations to optimize performance (Section 6.3)

In addition, a list of recommended spare parts to be kept on hand for reduced down-time is
provided in Section 11.

6.2

Routine Preventative Maintenance

Routine preventative maintenance of the 943-TGX-CE analyzer is used to ensure that the
analyzer is continuing 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 complete the

Maintenance Record Sheet

included in

this section and

maintain a file of record sheets to provide a time-based record of system operation.

6.2.1 Visual Inspection of Key Operating Parameters

Table 30 shows the normal conditions of a variety of analyzer operational parameters and
indicators. If the conditions and indicators

displayed on the analyzer’s local display are

indicating as shown in the table, the system is operating normally, and no further
maintenance is required at this time.

Содержание 943-TGX-CE

Страница 1: ...Tail Gas Analysis OPERATION MANUAL P N Revision 5 April 2020 Galvanic Applied Sciences Inc 7000 Fisher Road S E Calgary Alberta T2H 0W3 Canada Toll Free North America 1 800 458 4544 International 1 978 848 2701 E mail support galvanic com www galvanic com ...

Страница 2: ...n 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 ...

Страница 3: ...ating 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 28 2 4 5 Connection of the Digital Signal Cables 29 2 4 6 Connection of the Instrument Air 29 2 4 7 Connection of Steam 31 SECTION 3 OPERATION 32 3 1 OVERVIEW 32 3 2 POWER UP PROCEDURE 33 3 3 EPCU BYPASS 34 3 3 1 Enab...

Страница 4: ...EL 53 4 5 1 Fault Conditions 55 4 5 2 Warning Conditions 55 4 6 SPECTRUM PANEL 56 4 6 1 Factory Reference 58 4 7 ABSORBANCE PANEL 59 4 8 CONFIGURATION CONFIG PANEL 61 4 8 1 Outputs 61 4 8 2 Calculation Sub Panel 62 4 8 2 1 Calculation Parameters 63 4 8 2 2 Cell Length 64 4 8 2 3 Fixed Temperature and Pressure 65 4 8 2 4 Sample and Zero Sample Rate 65 4 8 3 Display 65 4 8 3 1 Analysis 1 and 2 Trend...

Страница 5: ...enance Check Out Procedure 100 6 3 CHANGING THE ANTI SOLARANT SOLUTION 103 6 4 OPTIMIZING THE SPECTROMETER SIGNAL 105 6 4 1 Automated Optimization 106 6 4 2 Manual Optimization 106 SECTION 7 SERVICE 108 7 1 OVERVIEW 108 7 2 INDICATORS PANEL TROUBLESHOOTING 108 7 3 TESTING AND REPLACEMENT OF THE OPTICAL FIBRES 110 7 4 TROUBLESHOOTING THE UV SOURCE LAMP 113 7 5 MEASUREMENT CELL BLOCK REMOVAL 118 7 6...

Страница 6: ...AGRAM 33 FIGURE 14 LOCATION OF VORTEX COOLER AND COOLER AIR VALVE 36 FIGURE 15 SAMPLE PROBE 37 FIGURE 16 MEASUREMENT CELL BLOCK EXPLODED VIEW 39 FIGURE 17 LOCAL DISPLAY USER INTERFACE 44 FIGURE 18 HANDHELD KEYPAD 45 FIGURE 19 ONLINE OFFLINE MODE TOGGLE 46 FIGURE 20 ANALYSIS 1 CONCENTRATION FIELDS 47 FIGURE 21 AIR DEMAND VALUE AND TREND 48 FIGURE 22 RELAY INDICATORS 49 FIGURE 23 MANUAL ZERO CONTROL...

Страница 7: ... 16 FORMAT 93 FIGURE 64 MODICON 32 FORMAT 94 FIGURE 65 FACTORY PARAMETERS PAGE 94 FIGURE 66 CHANGE PASSWORD DIALOG BOX 97 FIGURE 67 PASSWORD ENTRY ERROR MESSAGES 97 FIGURE 68 REVISION HISTORY 98 FIGURE 69 REPLACING THE ANTI SOLARANT SOLUTION 104 FIGURE 70 INDICATORS PANEL 108 FIGURE 71 LOCATION OF CELL HEATER FUSE ON ACTS 111 FIGURE 72 UV LAMP ENCLOSURE 115 FIGURE 73 UV LAMP ENCLOSURE INTERNAL LAY...

Страница 8: ...5 TABLE 18 STATUS AND CONTROL 76 TABLE 19 RELAY INDICATORS 77 TABLE 20 ANALYZER FAULTS 80 TABLE 21 ANALYZER WARNINGS 81 TABLE 22 SPECTRUM PARAMETERS 82 TABLE 23 PARAMETERS PAGE COLOUR CODE 86 TABLE 24 CONFIGURATION PARAMETERS 87 TABLE 25 MODBUS COMMUNICATION PARAMETERS 90 TABLE 26 AVAILABLE MODBUS POINTS 91 TABLE 27 MODBUS LIST COLUMNS 92 TABLE 28 FACTORY PARAMETERS COLOUR CODE 95 TABLE 29 FACTORY...

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: ...vanic 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 Hi...

Страница 11: ...dware 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 radiation is extremely harmful to the naked eye and skin even in short durati...

Страница 12: ...lity 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 the...

Страница 13: ...he 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 o...

Страница 14: ...lar 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 contain other sulfur species such as COS CS2 and sulfur...

Страница 15: ...ch 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 through the use of a positive pressure Type X purge system If positive purge pressure is lost the purge system will automatically cut power to the analyzer control cabinet and the analyzer will shut ...

Страница 16: ...ct The sample probe incorporates a mechanism 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 u...

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: ...ration using 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...

Страница 19: ...l number name plate 2 2 2 Temperature The ambient temperature range the analyzer can operate in is given in Table 1 Table 1 Ambient Temperature Range Model Ambient Temperature Range 943 TGX CE 20 to 60 C 4 to 140 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: ...ample Probe Nozzle 2 8 barg 40 psig 5 5 barg 80 psig 140 C 285 F 160 C 320 F 2 2 6 Area Classification The hazardous area classification and ingress protection for the Model 943 TGX CE are shown below 2 3 Unpacking The 943 TGX CE 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 ...

Страница 21: ...oving the cabinet packing material so that no hardware or wiring is damaged 9 Inspect the internal equipment to ensure that no damage has occurred and that no components have become loose during transport If any damage is visible contact Galvanic Applied Sciences Inc immediately and do not proceed with the system installation Do not attempt to facilitate repairs yourself as this will negate and or...

Страница 22: ...positioned so that when the analyzer framework is bolted in place the flange of the analyzer cabinet and the process 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 p...

Страница 23: ... 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 2 flanges are correct...

Страница 24: ...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 procedure below 1 Remove ...

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: ...gative 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 8 V2 V4 Install the probe RTD in the location indicated in Figure 7 Figure 7 Oven Enclosure Tubing Reinstalled If the ...

Страница 27: ...ntry size into the purge controller box is M20 x 1 5 The end user is responsible for supplying a cable and a certified Ex d cable entry device suitable for use in a Zone 1 IIC explosive gas atmosphere The overall length from the sealant grommet or sealing compound of the cable entry device to the entrance enclosure wall of the internal flame proof enclosure inside the purge controller box shall be...

Страница 28: ... 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 Cables Analog signal cables are connected to the output signal disconnect junction box located below the control cabinet as shown in Figure 9 Figure 9 Location of Signal Disconnect Junction Bo...

Страница 29: ...irements For a generic drawing showing the digital signals connections to the signal disconnect junction box refer to the DC Signals and Wiring Diagram drawing Figure 85 in Section 9 of this manual For the most accurate connection details refer to the AS BUILT drawings included on the USB thumb drive included with the analyzer when it was shipped Installation of the conduit wiring and disconnect d...

Страница 30: ... purged for two reasons for hazardous area classification and to maintain a positive pressure inside the control cabinet 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 and...

Страница 31: ... for the sample probe steam jacketed sample probe nozzle should be at the top of the nozzle and the outlet should be at the bottom The outlet of the nozzle should be connected to the inlet of the steam jacketed ball valve and the outlet of the steam jacketed ball valve should be connected into the plant condensate collection system All steam lines the steam jacketed sample probe nozzle the steam j...

Страница 32: ...ding sample flow initiation sampling and 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...

Страница 33: ...The EPCU operates in Fully Automatic Mode Once the purge sequence is successfully completed power will be applied to the analyzer To power up the analyzer follow the procedure below 1 Ensure that the control cabinet door is closed and latched fully Both latches must be turned to the locked position 2 Switch on the AC power supply connected to the EPCU 3 When safe pressure is detected by the EPCU t...

Страница 34: ...ed 3 3 EPCU Bypass In normal operation the EPCU will cause the analyzer system to automatically shut down when the control cabinet door is open However for certain maintenance procedures it is necessary to have the control cabinet door open with the analyzer powered on In these situations it will be necessary to bypass the automatic shut down through the EPCU user interface EPCU bypass can ONLY be...

Страница 35: ...y bypassed The control cabinet door can now be opened without causing an automatic shut down When the cabinet door is opened the ALARM FAULT indicator will flash red and the SAFE PRESSURE indicator will turn off The ENCLOSURE POWER indicator will remain illuminated in green 3 3 2 Disable System Bypass Area Safe Non Explosive Once maintenance work is complete and the installation environment remain...

Страница 36: ... 4 Press the Esc key twice to return to the EPCU s default display Disabling the System Bypass in this fashion will cause an automatic shut down as safe pressure will not be present in the control cabinet when the System Bypass is disabled 3 4 Flow Control Settings The flow control settings govern system operation Once the system has been commissioned and the flow rates have been set only occasion...

Страница 37: ...de the analyzer sample probe and sample handling system is detrimental for two reasons Firstly sulfur vapour can interfere with the measurement of both hydrogen sulfide and sulfur dioxide Secondly if sulfur vapour inside the sample probe or sample handling system were to condense it could lead to flow blockages inside the probe or sample handling system For this reason the sample probe is designed...

Страница 38: ...ooling air flow adjust valve is typically opened two turns from fully closed The optimal situtation is that the indicated concentration of sulfur vapour in the process sample gas exiting in the measurement cell is lower with the probe cooling air on than with the probe cooling air off without causing plugging of the sample probe 3 4 3 Zero Air Flow Adjust Valve The Zero Air Flow Adjust Valve is us...

Страница 39: ... 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 ...

Страница 40: ...ired the system regulator may be adjusted to its maximum output of 50 psig without harming the analyzer As the cabinet cooler draws significant flow of instrument air it is advisable to do all adjustments of the zero and aspirator drive air with the cabinet cooler switched on In this fashion deficiencies with the pressure and or flow rate of the instrument air supply can be immediately detected 3 ...

Страница 41: ...are four digital outputs on the analyzer which are used for outputting analyzer status and other operational condition data These digital outputs are all zero potential form C relay contacts each isolated to 250 Vrms The four status and operational relays are Status Service Mode and Control Each of these relays has an associated status indicator on the analyzer display for visual confirmation of t...

Страница 42: ...ulfur vapour concentration exceeds specified warning set point Spectrometer peak height at last zero calibration is too low An analyzer with any active warnings will continue in sampling mode and provide valid analysis results although warnings indicate that there is an issue with the analyzer that if left unchecked could lead to a fault condition The warning condition will clear when the paramete...

Страница 43: ...no fault conditions present Mode indicator is in Run state i e analyzer is not performing a zero calibration Online Offline switch is in the Online position i e analyzer is not under maintenance Analyzer power is on Manual Yellow At least one of the conditions for the relay to be in the Auto state is NOT true When the relay is in the Auto state the analyzer is indicating that it believes that the ...

Страница 44: ...of analysis 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 informatio...

Страница 45: ... until the active fault s have cleared 4 2 2 The Handheld Keypad The handheld keypad is used to navigate between the various panels of the local display user interface perform a variety of control operations and enter numerical data in user editable fields It is shown in Figure 18 Figure 18 Handheld Keypad The keypad must ONLY be connected to or disconnected from the analyzer when the analyzer s i...

Страница 46: ...er in sampling mode This key is functional on any panel of the local display user interface NOTE F6 is obtained by pressing the Shift key at the same time as F1 Deletes the last numerical value Only functional when editing a numerical data entry field Esc Leaves a data entry field when editing without saving the current value Only functional when editing a numerical data entry field ENTER After hi...

Страница 47: ...valid When the control is toggled from Offline to Online the Control relay will change state from Manual to Auto ONLY if the conditions listed as prerequisite for the Auto state in Table 6 have been met 4 3 2 Concentration Fields The concentration fields shown in Figure 20 are non editable fields that show the current value of the concentrations for all analyzed components Figure 20 Analysis 1 Con...

Страница 48: ...ro this indicates that the H2S to SO2 ratio is at the optimal value and the air does not need to be adjusted The graphical trend displayed below the Air Demand field shows the trend in the air demand data over a recent period of time with the current value at the right side of the graph The x axis time and y axis concentration ranges of this graph can be adjusted on the Configuration Panel Display...

Страница 49: ...rder to check and adjust the analyzer s zero baseline It is ONLY performed when the analyzer is in back purge and the measurement cell is filled with a gas that doesn t absorb UV radiation in the wavelength range of interest i e instrument air or nitrogen The zero calibration sets the absorbance baseline to 0 AU across the entire measurement wavelength range during this process To initiate a Manua...

Страница 50: ...last value output prior to the initiation of the calibration cycle The analyzer waits for the number of seconds specified by the Zero Hold Interval parameter of the configuration data Section 4 8 4 to allow the calculated concentration values to stabilize at on line values before updating the analog outputs 7 If no pre existing fault conditions are present the Mode relay output changes to Run gree...

Страница 51: ...his will prevent any toxic gases from remaining in the sample system if tubing is to be disconnected If Sample is selected but the back purge indicator remains red this indicates that a fault condition likely exists Once the fault condition s are cleared the analyzer will automatically return to sampling mode after first performing a zero calibration cycle If the analyzer is set to back purge mode...

Страница 52: ... 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 parameters displayed on this panel The colour of each component s trend line matches the colour of that component s data field on this pan...

Страница 53: ... 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 will go into fault mode Cabinet Temperature 5 45 C Indicates the tempe...

Страница 54: ...umn of coloured squares at the right is a column of indicators that indicates current status If all these squares are green there are no active fault or warning conditions 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 t...

Страница 55: ...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 56: ...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 57: ...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 integration t...

Страница 58: ...ection 7 2 for more details on troubleshooting analyzer problems 4 6 1 Factory Reference The Factory Reference is a zero gas transmission spectrum that was saved at the factory at the time of analyzer factory calibration When the Show Factory Reference checkbox is checked by using the F4 F3 keys to highlight and then pressing to check the box the factory reference spectrum is shown superimposed on...

Страница 59: ...orbance Panel The Absorbance panel shown in Figure 34 shows the currently calculated absorbance spectrum as well as the current concentration of all of the analyzed components in the tail gas stream Figure 34 Absorbance Panel The absorbance spectrum is calculated by subtracting the current transmission spectrum from the transmission spectrum that was obtained the last time the analyzer carried out...

Страница 60: ...rating 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 the SO2 spectrum as shown in the spectrum in Figure 34 The exact magnitude of the absorbance for a given species will depend on the concentration of that species as well as the measurement cell length For a given analyzer ho...

Страница 61: ...lable in the Config panel could result in the analyzer becoming unable to function correctly The parameters on this panel should ONLY be changed by factory trained personnel or under the direction of Galvanic Applied Sciences Inc 4 8 1 Outputs The Outputs sub panel shown in Figure 37 is used to configure the four analyzer analog outputs Figure 37 Outputs Sub Panel There is a total of four analog o...

Страница 62: ...sing the F4 F3 keys then pressing to enter data entry mode Enter in the desired full scale value then press again to save Press Esc to discard any changes Above the Full Scale field are two check boxes marked Track and Hold When Track is selected the analog output value will track with the displayed concentration value even when the analyzer is in back purge mode hence when Track is selected durin...

Страница 63: ...he bottom right of the screen and press to save changes permanently Alternatively selecting Revert and pressing 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 could negatively affect the validity of data output by the analyzer Calculation related parameters should ONLY be change...

Страница 64: ...fferent 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 and outp...

Страница 65: ... air demand when the analyzer is 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 39 allows the user to configure certain parameters that affect how data is displayed on the analyzer s local display scree...

Страница 66: ...ously pressed until the desired value is obtained 4 8 3 2 Backlight Adjustment The intensity of the analyzer display s backlight can be adjusted on this sub panel Simply use the F4 F3 keys to highlight either the More brighter or Less dimmer buttons then press the Key continually until the display brightness is adjusted the desired level When the slider is at the left most position the display bac...

Страница 67: ...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 The final 10 seconds of this i...

Страница 68: ...re 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 exceeds this temperature the probe...

Страница 69: ...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 High S8 Warn 0 5 Sulfur vapour concentration warning setpoint If the sulfur vapour rises above this con...

Страница 70: ...ither of the Ethernet port on the analyzer s control board mounted on the inside of the control cabinet door behind the analyzer display when connected directly to a local PC via an Ethernet cable The location of the Ethernet ports on the control board is shown in Figure 42 Figure 42 Control Board Showing Location of Ethernet Ports ...

Страница 71: ...e network parameters for the analyzer when it is not directly connected to a local PC but rather connected to a remote PC via the plant s local area network LAN The Ethernet port used for LAN connections either via the web GUI Section 5 or Modbus TCP IP is in the same location as shown in Figure 42 The Ethernet cable connecting from the analyzer to the plant s LAN can be connected to either of the...

Страница 72: ... use the F4 F3 keys to highlight the Apply button then press to save changes Once the analyzer has a correct IP address and other parameters assigned it will be possible to connect to the analyzer from anywhere within the plant s LAN by using the IP address ...

Страница 73: ...tive 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 en...

Страница 74: ...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 75: ...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 76: ...rrent 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 plac...

Страница 77: ...een 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 considered...

Страница 78: ... 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 TGX 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 concentratio...

Страница 79: ...x 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 47 As the calibration matrix is uniqu...

Страница 80: ...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 81: ...ncentration 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 50 shows identical information to the Spectrum panel on the analyzer s local display Figure 50 Spectrum P...

Страница 82: ...k 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 83: ...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 84: ...ge to a static spectrum simply place a checkbox 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...

Страница 85: ...enough concentrations to be visibly recognizable on the absorbance spectrum Figures 55 and 56 show the typical appearance of absorbance spectra for H2S only and SO2 only Figure 55 Absorbance Spectrum for H2S Figure 56 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 ...

Страница 86: ...tional parameters that can be viewed or edited Figure 57 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 87: ...ure 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 the...

Страница 88: ...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 89: ...2 Figure 59 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 th...

Страница 90: ... 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 91: ...nd 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 cur...

Страница 92: ...o 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 Figure...

Страница 93: ...2 Modicon 16 Format If Modicon 16 is chosen as the Modbus format the Modbus list will contain 4 nodes as shown in Figure 63 Figure 63 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 94: ...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 95: ... 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 pi...

Страница 96: ...n correctly Analog Output 1 2 3 4 Setup Y Config Outputs Configures 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 concentra...

Страница 97: ...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 98: ...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 68 Please refer to this revision number when making inquiries about the analyzer software Figure 68 Revision History ...

Страница 99: ...ing 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 complet...

Страница 100: ...nge 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 this maintenan...

Страница 101: ...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 102: ...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 103: ...iences Inc recommends that the Anti Solarant solution be changed on a monthly basis When the analyzer is exhibiting a loss of spectrometer signal level a high integration period 500ms required to reach 28 000 A D counts the most probable cause is degraded Anti Solarant Solution Wear protective UV eye glasses at all times if the optical fibres are removed while the UV Source Lamp is powered up The ...

Страница 104: ...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 69 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 69 4 Lift the fluid holder from the base by grasping the fluid holder filler plug 3 in F...

Страница 105: ...ighten the light shield retaining screws on the bottom right side of the fluid holder 4 in Figure 69 13 Remove the protective plastic cap from the disconnected source fibre and reconnect it to the fluid holder bracket 1 in Figure 69 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 106: ... 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 key to place an X in the box OR by pressing the F6 key on the keypad 2 Access the Spectrum panel 3 If the peak level is between 25 000 and 28 000 then no adjustment is requ...

Страница 107: ...is completed place the analyzer back in Sampling mode by selecting the Sample field and then pressing to put an x in the box OR pressing F6 n the analyzer keypad 10 Place the analyzer back into ONLINE mode by toggling the button on the Analysis 2 panel ...

Страница 108: ...yzer 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 Email support galvanic com 7 2 Indicators Panel Troubleshooting The Indicators panel shown in Figure 70 shows a historical record the most recent 25 fault warning events Refer to Section 4 5 for ...

Страница 109: ...ter 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 Vortec cooler is turned off Analyzer is installed in direct sunshine an...

Страница 110: ...rtighten the connectors as this may damage the cable If the anti solarant solution has not been changed within the last 30 days as per the procedure in Section 6 3 proceed with that procedure first and confirm that the High Integration Period warning is still present after completion BEFORE proceeding with the fibre test procedure To test the optical fibres and replace if necessary follow the proc...

Страница 111: ... in contact with one another 8 Using the F2 F1 keys on the keypad navigate to the Spectrum panel 9 Use the F4 F3 keys to select Optimize Integ Time and press to optimize the integration period It may be necessary to press more than once to get a peak height 28000 A D counts 10 Use the F4 F3 keys to select Show Factory Reference and press to display the factory reference spectrum 11 Observe the ind...

Страница 112: ... 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 optic...

Страница 113: ...will begin heating 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 F2 F1 keys to navigate to the Analysis 1 panel Perform a manual zero calibration...

Страница 114: ...es 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 the lamp and the fluid holder The iris is preset at the factory with clean optics and a new lamp to obtain 28 000 counts at a 10...

Страница 115: ... lamp power switch is indicated in Figure 72 Figure 72 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 116: ...d in Figure 75 by the red circle 1 7 Disconnect the three 3 lamp connection wires from the terminal strip circled in yellow in Figure 75 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 75 9 Remove the lamp 10 Place the n...

Страница 117: ...to the red terminal and the black wire to the black terminal 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 ...

Страница 118: ...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 F6 key on the keypad OR by placing the X in the Back Purge check box on the Analysis 1 panel 3 Access the purged control cabinet following proper user company and or regulatory ag...

Страница 119: ...tective 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 75 Figure 75 Oven Enclosure 11 Using a 7 64 ball driver remove the 6 32 x 3 8 screw securing the cell RTD to t...

Страница 120: ...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 such...

Страница 121: ...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 122: ...tighten 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 m...

Страница 123: ...ce the analyzer into sampling mode by highlighting the Sample checkbox using the F4 F3 keys then press Alternatively press the F6 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 ...

Страница 124: ...essing the F6 key on the keypad OR by placing the X in the Back Purge check box on the Analysis 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 To open the control cabinet door while the...

Страница 125: ...e back purge to continue for five to ten minutes 20 Once the measurement cell temperature rises to 140 C and the Cell Temperature fault has cleared use the F2 F1 keys to navigate to the Analysis 1 panel Perform a manual zero calibration cycle by using the F4 F3 keys to highlight Manual Zero then press 21 Once the manual zero calibration cycle is complete place the analyzer into sampling mode by hi...

Страница 126: ...passed Refer to Section 3 3 DO NOT look at the end of disconnected 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...

Страница 127: ...llow 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 1...

Страница 128: ...ew 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 Parameters section in the web GUI refer to section...

Страница 129: ...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 130: ...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 fo...

Страница 131: ...gs 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 80 Mounting and Service Connections ...

Страница 132: ...Revision 4 132 April 2020 Figure 81 Oven Cabinet Door Removed ...

Страница 133: ...Revision 4 133 April 2020 Figure 82 Control Cabinet Door Removed ...

Страница 134: ...Revision 4 134 April 2020 Figure 83 Power Steam Air Signals Connection Details ...

Страница 135: ...Revision 4 135 April 2020 Figure 84 AC Wiring Schematic ...

Страница 136: ...Revision 4 136 April 2020 Figure 85 DC Signals and Wiring Diagram ...

Страница 137: ...Revision 4 137 April 2020 Figure 86 Flow Diagram ...

Страница 138: ...unting 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 maximum case with Vortec Cooler Steam Nozzle 50 psi Area Classification All specificatio...

Страница 139: ...ed for spare parts assistance Refer to the distributor 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 BA1795 1 each Anti Solarant Solution CO7312 1 Bottle Fuse 1 5 Amp PC709...

Страница 140: ...ized UNLESS the area is known to be non hazardous Observe all the warning labels on the analyzer enclosures To open the control cabinet door while the analyzer is energized the purge control box must first be bypassed Refer to Section 3 3 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...

Страница 141: ...tatus 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 88 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 Dire...

Страница 142: ...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 143: ...fline 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 a...

Страница 144: ...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 145: ...rd 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 Ensu...

Страница 146: ...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 147: ...ive Air Flow Adjust Valve 39 Auto Cal Interval 67 87 Available Points 90 Fault Status 91 Relay Status 91 B Back Purge 17 38 50 76 Backlight 66 Baud Rate 90 Beer Lambert Law 64 Big Endian 90 C Cabinet Cooler Air Valve 36 Cabinet Deadband 68 Cabinet Setpoint 68 Cabinet Temperature 37 53 Cabinet Temperature Dead Band 87 Cabinet Temperature Set Point 87 Calibration Matrix 15 78 85 Calibration Matrix P...

Страница 148: ...ction 97 High Cabinet Temperature Alarm 87 High Cell Temperature Alarm 87 High Probe Temperature Alarm 87 High S8 Fault Setpoint 69 High S8 Warn Setpoint 69 High SVAP Alarm 87 High SVAP Warning 87 I Indicators Page Web Based GUI 79 Indicators Panel 53 Ingress Protection IP Rating 20 Installation Procedure 21 Instrument Air 20 Clearing Sample Handling System Probe Blockages 39 Flow Control Settings...

Страница 149: ...line Mode 47 76 Online Offline Mode Toggle 43 46 51 Effect on Control Relay 43 Online Mode 46 76 Operating Ratio 14 48 64 96 Operating Voltage 19 Oven Cabinet 15 Oven Enclosure 17 Oven Heaters Powering Off 110 P Parameters Page Web Based GUI 86 Parity 90 Password Web Based GUI 88 91 Changing the Passwords 97 Factory Password 95 Peak Height 57 58 Plant Factor 14 64 96 Power Up Procedure 33 Probe Co...

Страница 150: ... Point 87 System Operating Control 17 T Transmission Spectrum See Spectrum Troubleshooting Potential Solutions 108 U Update Mode 97 Update Mode Web Based GUI 88 91 95 User Manual Page Web Based GUI 98 UV Source Lamp 14 103 Enclosure Layout 116 Lifespan 114 Mounting Orientation 116 Power Off Switch 115 Replacement Procedure 114 Troubleshooting 113 V Vortex Cooler 36 W Warning Condition 42 54 Descri...

Страница 151: ...20 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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