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Table 10: Analysis Parameters

Parameter

Explanation

Unit

Changes the measurement unit displayed for the concentration in the web GUI

and on the analyzer display. NOTICE: Display only. No unit conversion is done.

Default is ppm.

Purge Time

Changes the amount of time, in seconds, that the analyzer will purge the sample

cell after a stream switch before starting a new analysis. Default is 70s.

Sample Interval

Changes the amount of time, in seconds, the concentration measurement is

averaged over before updating the analyzer display and outputs. Default is 20s.

Contract Start Hour

Allows the user to choose what time, from 0 (midnight) to 23 (11pm), analyses

scheduled to be run daily will be carried out.

4.4.4.4 Bypass

The Bypass section contains parameters that govern the behaviour of the AccuLase-GPA™ while

in bypass mode. In bypass mode, hardware outputs associated with alarm conditions are disabled,

and the analog output(s) is/are set to output the fail-safe value (3mA). If the Timeout Enable

checkbox is selected, the analyzer will automatically exit bypass mode after a specified period of

time with no inputs being made to the analyzer either from the keypad or from the web GUI. The

bypass timeout length, in seconds, is user configurable in the Timeout (seconds) field. The default

value for this timeout is 240 seconds (4 minutes).

4.4.4.5 Laser

The Laser section contains several laser-related parameters. These parameters are read-only and

are primarily used for troubleshooting purposes. The parameters displayed in the Laser section

are the same as those displayed on the Laser panel of the AccuLase-GPA™ local display. Refer to

section 3.9 for more information.

4.4.5 Calibration Page

The Calibration page shows the AccuLase-GPA™ calibration parameters. See Figure 37.

Figure 29: Calibration Page

The parameters displayed on the Calibration page are identical to those displayed on the

Calibration panel of the analyzer’s local display UI. Refer to section 3.8 for more information on

these parameters. Unlike the local display Calibration panel, the calibration parameters displayed

Содержание AccuLase-GPA D1

Страница 1: ...Analyzer Operation Maintenance Manual Revision 2 January 20 2020 Galvanic Applied Sciences Inc 7000 Fisher Road SE Calgary Alberta T2H 0W3 Canada Phone 403 252 8470 Toll Free 1 866 252 8470 service g...

Страница 2: ...bject to change without notice The Manufacturer reserves the right to change hardware and software design at any time which may subsequently affect the contents of this manual The Manufacturer assumes...

Страница 3: ...Barrier D1 Model Only 15 2 2 6 D2 Layout 16 2 3 1 TDLAS Control Module and Laser Source 17 2 3 4 Cell Heater 17 2 3 5 Vacuum Pump 17 2 4 Sample Conditioning System 17 Section 3 AccuLase GPA Local Dis...

Страница 4: ...4 4 3 2 Analog Outputs 38 4 4 3 3 Digital Inputs 38 4 4 3 4 Solenoids 38 4 4 3 5 Relays 39 4 4 3 6 Communication Indicators 39 4 4 4 Global Page 39 4 4 4 1 Site Identification 39 4 4 4 2 IO Board 39...

Страница 5: ...Section 5 AccuLase GPA Maintenance and Repair 59 5 1 Overview 59 5 2 Extracting the Component Rail from the AccuLase GPA D1 Enclosure 59 5 2 1 List of Materials Required 59 5 2 2 Preparatory Steps 59...

Страница 6: ...aintenance 73 5 6 Replacing the Membrane and O ring within the Liquid Membrane Separator 78 5 6 1 List of Materials Required 78 5 6 2 Preparatory Steps 78 5 6 3 Liquid Membrane Separator Disassembly a...

Страница 7: ...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 m...

Страница 8: ...ource separate from the one s used to power the analyzer system Disconnecting the main power source may not remove power from the analog output signals Any safety recommendations or comments contained...

Страница 9: ...ct at Seller s production facility 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 Selle...

Страница 10: ...not warrant the operation of 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 destinatio...

Страница 11: ...ion of the target gas l optical path length The specific wavelength at which the absorbance is measured is chosen to reduce interference from other gaseous species in the gas mixture being analyzed to...

Страница 12: ...and held keypad is provided for user interface with the control system and can be used to view and edit the analyzer configuration as well as navigate through the variety of display screens included i...

Страница 13: ...2 4 2 2 Control Enclosure The control enclosure is located on the top of the AccuLase GPA It houses all of the analyzer electronics including the analyzer s local display controller mother board inpu...

Страница 14: ...manual Above the display are three status LEDs which are used to indicate various aspects of the analyzer status The function of these LEDs is described in Section 3 2 2 2 3 Input Output Board The In...

Страница 15: ...PA D1 control enclosure The intrinsically safe barrier connections are shown in Figure 5 Figure 3 Intrinsically Safe IS Barrier The wiring connections for the analyzer s hand held keypad pass through...

Страница 16: ...Enclosure Layout D2 The main components found in the optics sample cell enclosure include the laser launcher and detector 1 the Herriott sample cell 2 the TDLAS control module and laser source 3 the...

Страница 17: ...signals back to the IO board and this 2 3 5 Vacuum Pump To improve the separation between the chosen absorbance wavelength for the target gas and absorbance wavelengths of other interfering species th...

Страница 18: ...remotely via the plant local area network in order to access the analyzer s web based graphical user interface The Web GUI is described in detail in Section 4 The field on the right displays the curre...

Страница 19: ...s any time a key on the keypad is pressed It remains illuminated until the input from the keypad has been processed by the analyzer electronics While this LED is illuminated no further input from the...

Страница 20: ...ELD PREV Used to navigate to the previous data entry field manipulatable control on a given display panel up FIELD NEXT Used to navigate to the next data entry field manipulatable control on a given d...

Страница 21: ...the current pressure inside the sample cell as measured in torr 760 torr 1 atm 101 325kPa PID RTD Indicates the current temperature inside the sample cell as measured by the cell RTD Current Run Indic...

Страница 22: ...ure 17 If a thumb drive is connected navigating to this function with the FIELD NEXT or FIELD PREV buttons and pressing ENTER when the function is highlighted will cause the analyzer s archive log dat...

Страница 23: ...cer and is calibrated in units of torr The typical pressure indicated here should be approximately 250 torr Analog input 5 is used for the sample cell temperature RTD input and is calibrated in units...

Страница 24: ...e AccuLase GPA IO board s analog outputs up to 4 one per configured stream solenoid outputs 8 and solid state relays 4 It is shown in Figure 20 Figure 12 Outputs Panel For each analog output the curre...

Страница 25: ...lfide analysis the span calibration gas should be hydrogen sulfide of a concentration 50 100 of the analyzer s full scale concentration in a balance of methane Response Factor Offset The y intercept o...

Страница 26: ...eypad to select the Edit button on the Calibration panel then press Enter Using the numerical keys enter in the certificate value from the span calibration gas being used then press ENTER to save to t...

Страница 27: ...d Received Laser Power values are low even with zero gas in the cell this could be indicative of a problem in the optics sample cell enclosure Refer to Section 7 for more details on troubleshooting pr...

Страница 28: ...set point the High High Alarm will be triggered along with any associated hardware outputs configured in the AccuLase GPA web GUI In addition when the concentration of the stream exceeds the High High...

Страница 29: ...ress ENTER to switch to that tab Each port can be configured to obtain an IP address either automatically from the network via DHCP or via manual entry of the IP settings Automatic DHCP is the default...

Страница 30: ...en Press ENTER to save the Static IP address configuration to the analyzer Alternatively if the user wishes to discard all changes selecting the Reload button and pressing ENTER will cause the screen...

Страница 31: ...The AccuLase GPA can be connected to either a local computer directly using an Ethernet cable or to a remote computer elsewhere in the plant if the analyzer is linked into the plant s local area netw...

Страница 32: ...he Ethernet ports on the controller board is indicated in Figure 28 Note that Ethernet Port 3 is dedicated for a local PC connection only Do not connect this port to a LAN Figure 20 Ethernet Ports on...

Страница 33: ...Indicators Indicator Explanation System Alarm Indicates the overall alarm status of the system If the bell icon to the right of the text is green this indicates there are no active alarms and the sys...

Страница 34: ...guration to the analyzer s flash memory Changes written permanently will persist through an analyzer restart This button is greyed out in Read Only mode Synchronize Time Pressing this button will set...

Страница 35: ...list of pages that can be accessed in that access level Each page is used to either view analyzer analysis or status information or view or edit a certain aspect of the analyzer s configuration The N...

Страница 36: ...Explanation Analyzer Time Indicates the current analyzer time date This is parameter is used to provide timestamps for all stored data and event logs so it should be set correctly If it is not correc...

Страница 37: ...he Home page the home page is used for observation of the analyzer s current situation only 4 4 2 Alarms Page The Alarms page displays all currently active analyzer alarms It is shown in Figure 34 Fig...

Страница 38: ...default with only one analog output per stream so if the analyzer is configured to only analyze a single sample stream it will only have one analog output 4 4 3 3 Digital Inputs The Digital Inputs sec...

Страница 39: ...l not be able to function normally 4 4 4 Global Page The Global page allows the user to view and edit a variety of parameters that impact the overall configuration and operation of the analyzer The Gl...

Страница 40: ...put the fail safe value 3mA If the Timeout Enable checkbox is selected the analyzer will automatically exit bypass mode after a specified period of time with no inputs being made to the analyzer eithe...

Страница 41: ...fields that are used to define the parameters of the run The Run Name is used to refer to the run everywhere throughout the AccuLase GPA local display UI and in the web based GUI By default Stream 1...

Страница 42: ...ured concentration of the target gas in the sample stream being analyzed over the entire sample interval exceeds the alarm set point the High Alarm will be triggered at the end of the Sample Interval...

Страница 43: ...ently in progress sequence is complete Further once any run triggered by schedule remotely or manually is completed the analyzer will automatically return to the automatic sequence Figure 31 Sequencer...

Страница 44: ...quency is set to 0 hours and 0 minutes the scheduled analysis will not run as per the schedule A frequency MUST be set in order for the scheduled run to run as desired The run that is to be triggered...

Страница 45: ...Relay Actions and Solenoid Actions can be associated with each alarm by placing checkmarks in the checkboxes associated with the desired hardware actions for each alarm The alarms can also be set to...

Страница 46: ...a checkmark in the Latch checkbox for each alarm 4 4 10 Modbus Page The Modbus page is used to configure the AccuLase GPA data output via Modbus It is shown in Figure 42 Figure 34 Modbus Page The out...

Страница 47: ...irst page pressing the button will go to the previous page pressing the button will go to the next page and pressing the button will go to the last page To export the data simply right click on the di...

Страница 48: ...hange in the analyzer configuration either from keypad or from the web GUI or an event triggered remotely via a digital input Every event record in the event log has a sequence ID a Timestamp set acco...

Страница 49: ...d enabled when the remote input is set to off 4 4 13 2 Trigger Run The Trigger Run box is used to select the analysis run that will be triggered when a signal is received on the discrete input Only on...

Страница 50: ...ption of the relay s function e g Normal Fault The description can be edited by left clicking on the description typing in the new description and pressing Enter Reverse Logic If this option is chosen...

Страница 51: ...on can be edited by left clicking on the description typing in the new description and pressing Enter Low Limit The value entered into this field will be the value for the chosen output parameter that...

Страница 52: ...ltage will depend on the type of device connected check with the device manufacturer for more information 4 4 15 2 Calibration The Calibration section consists of a variety of parameters that must be...

Страница 53: ...value will update the span Raw Value Hex Input Zero Pressing this button when the value being input into the analog input is the zero calibration value will update the zero Raw Value Hex Capture Pres...

Страница 54: ...anuals included on the USB stick that is included with every analyzer 4 4 18 About Page This page presents information about the hardware and firmware of the AccuLase GPA including version numbers Thi...

Страница 55: ...when the IO board is in Direct Board Control mode 4 5 1 1 Analog Output Calibration and Testing The Analog Output section of the Output Test page is used to calibrate and test the analog output s on t...

Страница 56: ...pproximately 4mA 3 Enter the exact reading on the multimeter into the Meter Reading field for Zero Press Enter The number displayed in the Raw Value field for zero should change and the current readin...

Страница 57: ...lenoids 4 6 Factory Menu The Factory menu is used to set a variety of factory related parameters It consists of only page the Factory Setup page which is shown in Figure 51 Figure 43 Factory Setup The...

Страница 58: ...ed to upgrade the firmware of the analyzer s IO board In addition to these buttons there is also a field marked PWM of Full Scale which is used to set heater PID parameters The chosen percentage shoul...

Страница 59: ...nts Figure 44 Cutaway Showing Components Contained within AccuLase GPA D1 Enclosure 5 2 1 List of Materials Required The following list of materials is required to complete the extraction process Set...

Страница 60: ...from in order to prevent any issues during reassembly later 4 With the end caps removed locate the screws holding the component rail in place See Figure 54 Figure 46 Location of Screws Holding Compone...

Страница 61: ...losure towards the side with the vacuum pump see Figure 56 The component rail will only slide as much as the attached tubing and fittings will allow approximately 6 8 inches Figure 48 Initial Sliding...

Страница 62: ...extracted component rail on a clean workbench and proceed with any further maintenance procedures 14 To reassemble the enclosure simply perform these steps in the reverse order 5 3 Removing the Herri...

Страница 63: ...described in section 5 2 of this manual to extract the component rail from the AccuLase GPA D1 enclosure 2 Once extraction is complete locate the fitting connecting the Herriott cell to the vacuum pum...

Страница 64: ...r to the detector from the main laser board 9 Locate the fibre optic connector shown in Figure 63 Figure 55 Location of the Fibre Optic Connector 10 Disconnect the fibre optic connector by gently unsc...

Страница 65: ...te any further maintenance 15 To reattach the Herriott cell once maintenance is complete simply perform all the steps in this section in the reverse order 5 3 4 Removing the Herriott Cell from the Acc...

Страница 66: ...crews holding the main laser board cover plate in place See Figure 67 Figure 59 Location of Screws for the Main Board Cover Plate 5 Support the cover plate in order to prevent it from falling out 6 Re...

Страница 67: ...re optic connector shown in Figure 69 Figure 61 Location of the Fibre Optic Connector 12 Disconnect the fibre optic connector by gently unscrewing it counter clockwise 13 If the fibre optic cable is w...

Страница 68: ...The following list of materials is required to complete the Herriott cell mirror maintenance Set of SAE hex keys Set of SAE wrenches L bracket mount optional but recommended Methanol small amount Lint...

Страница 69: ...screws or bolts See Figure 72 Figure 64 L bracket Mount Free of Obstruction 3 With the Herriott cell oriented vertically line up the holes on the Herriott cell bracket with the mounting holes on the L...

Страница 70: ...intenance is complete 6 Remove all eight screws holding the Herriott cell cover in place Figure 74 shows one of the eight screws which has been partially removed Figure 66 Screws Holding Herriott Cell...

Страница 71: ...surface of the mirrors 10 Apply a small amount of methanol to a lint free non scratch wipe and gently wipe the mirrors Repeat this step as much as necessary in order to remove any dirt smudges or clou...

Страница 72: ...list of materials is required to complete the pump maintenance Replacement diaphragm plates and seals set Phillips No 1 screwdriver Phillips No 2 screwdriver Clean dry cloth Compressed air if availab...

Страница 73: ...after maintenance is complete 2 Remove the four corner screws holding the side cover plate in place and pull the side cover plate off This will expose the side compartment containing the counter weig...

Страница 74: ...oint you may be able to see if the existing diaphragm is worn or damaged See Figure 80 Figure 72 Damaged Diaphragm in Highest Position 5 Lift and grip the edges on opposite sides of the diaphragm with...

Страница 75: ...m the existing diaphragm and spacers using a clean dry cloth and compressed air if available Do not use solvents for cleaning as they may cause damage to some parts Figure 74 Torn Diaphragm and Diaphr...

Страница 76: ...ure 75 Pump Housing with Mild Amount of Dirt 8 Remove the centre screw from the pump head unit See Figure 84 Figure 76 Pump Head Unit 9 Separate the two plates which make up the pump head unit See Fig...

Страница 77: ...Seals Removed 11 Inspect the pump head plates and seals to assess the amount of wear and determine whether replacement is required If a replacement is not required clean any dirt or debris from the e...

Страница 78: ...e the actions necessary to successfully replace the membrane and O ring located within the internal structure of the Genie Model 123 liquid membrane separator used in conjunction with the AccuLase GPA...

Страница 79: ...crewing Liquid Membrane Separator Cover Figure 80 Unscrewing Liquid Membrane Separator Cover with Assistance 2 Once removed place the cover with the membrane side up on the surface of a clean workspac...

Страница 80: ...flathead screwdriver to assist if necessary but be extra cautious to avoid scratching or scoring any of the metal surfaces See Figure 90 Figure 82 Liquid Membrane Separator Cover with O ring Removed...

Страница 81: ...e membrane support 6 Place the new O ring over the new membrane and centre it with the groove See Figure 92 Figure 84 Liquid Membrane Separator Cover with Centred Membrane and O ring 7 Gently press th...

Страница 82: ...sure the O ring is seated properly in the groove 10 Screw the cover back into the body of the separator until it reaches a mechanical stop Do not use a wrench or any other tool at this point as this m...

Страница 83: ...roubleshooting Alarms Alarm Name Cause Resolution IO Board Communication The IO Board is not communicating with the Controller Check the USB cable connection between the controller board and the IO bo...

Страница 84: ...cell pressure is too high The pump has failed There is too much backpressure at the analyzer vent line AI5 Low Limit Alarm The cell temperature is too low The cell heater has failed The heater fuse h...

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