Summary of Contents for Galvanic Applied Sciences 962-AGX
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962-AGX Automatic Process UV Spectrophotometer for Acid Gas Analysis OPERATION MANUAL P/N: MA7429 Revision 2 April 30, 2012 Galvanic Applied Sciences, Inc. 7000 Fisher Road S.E. Calgary, Alberta, T2H 0W3 Canada Phone: (403) 252-8470 Fax: (403) 255-6287 E-mail: info@galvanic.com World Wide Web: http://www.galvanic.com...
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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 operate the equipment.
........................70 ECTION ERVICE ........................... 70 VERVIEW ...................... 70 NALYZER AULT ABLE UV S ..................73 HANGING THE OURCE ) ................76 HANGING THE IBRE PTIC ABLE .................... 78 EASUREMENT EMOVAL .................... 80 INDOWS EPLACEMENT ..................81 EASUREMENT NSTALLATION ................... 82 PECTROMETER EPLACEMENT .............
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Tables 6-1: N ............63 ABLE ORMAL ALUES OF PERATING ARAMETERS 6-2: M ..................65 ABLE AINTENANCE ECORD HEET 7-1: A ....................72 ABLE NALYZER AULT ABLE 7-2: A ..............73 ABLE DDITIONAL ERVICE ELATED BSERVATIONS 8-1: D ................... 84 ABLE OCUMENT ACKAGE...
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Safety Symbols used in Manual The Danger symbol indicates a hazardous situation that, if not avoided will result in death or serious injury. 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.
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Important Safety Guidelines for the 962-AGX Acid Gas Analyzer System Please read the following warnings and cautions carefully before using the 962-AGX Acid Gas Analyzer System This equipment must be used as specified by the manufacturer or overall safety will be impaired.
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The 962-AGX analyzer is designed to be safely operated in a Class I, Division 2, Groups C & D, T3 (NEC and CEC) area by means of a Type Z purge system installed on the analyzer control cabinet.
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Manufacturer’s Warranty Statement Galvanic Applied Sciences Inc. (“Seller”) warrants that its products will be free from defects in materials and workmanship under normal use and service in general process conditions for 12 months from the date of Product start-up or 18 months from the date of shipping from Seller’s production facility, whichever comes first (the “Warranty Period”).
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outside the environmental specifications for the instrument, use by unauthorized or untrained personnel or improper site maintenance or preparation. • Products that have been altered or repaired by individuals other than Seller personnel or its duly authorized representatives, unless the alteration or repair has been performed by an authorized factory trained service technician in accordance with written procedures supplied by Seller.
Analyzer Design The 962-AGX analyzer system consists of a sample handling panel and a control cabinet mounted to a supporting framework. The oven cabinet, pressure transmitter and all the necessary plumbing, fittings and valving associated with transporting the sample and calibration (zeroing) of the analyzer are mounted to the sample handling panel.
Sample System The 962-AGX analyzer system utilizes a straight-through flow pattern from the ‘sample in’ to the ‘sample out’ port. A pressure differential is required between the sample probe location and the sample return point. The analyzer plumbing incorporates an adjustable metering valve to control the sample flow rate.
Contents of this Manual This manual contains the following information: • Section 1: Model 962-AGX Tail Gas Analyzer Spectrophotometer Overview presents introductory information about spectrophotometry and the system. • Section 2: Installation describes unpacking the system, installing it in the facility and interfacing with other devices.
Section 2 Installation Receiving the System When the system arrives, inspect the packaging for external signs of damage. If there is any obvious physical damage, immediately contact the shipping agent and Galvanic Applied Sciences to report the damage and request that the carrier's agent be present when the unit is unpacked.
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 invalidate any possible insurance claim or equipment warranty.
Installation Steps Installation of the 962-AGX analyzer system consists of the following steps • • Mounting of the Analyzer System (Section 2.4.1) • • Sample Line and Sample Return Line Connections (Section 2.4.2) • • Connection of the AC Power Service (Section 2.4.3) •...
Once both the sample and vent lines are installed, leave the block valves at both ends of each line closed (Off). Pressure checking for leaks will be done at the time of analyzer commissioning by Galvanic Applied Sciences, Inc. personnel.
2.4.6 Connection of Instrument Air Services The installation of the 962-AGX analyzer system requires the connection of instrument air service to the control cabinet air purge/cooler valve. Instrument air service should be 80 to 100 psig of clean, dry instrument air (ANSI/ISA Standard 57.3-1975 R (1981)). Service to the analyzer must be capable of a sustained flow of 900 SCFH at 80 to 100 psig.
) in tank, complete with a two stage regulator and shut-off valve is required. The 962-AGX analyzer system is analyzing a stream containing a high H concentration. Oxygen (O ) can NOT be used as a zero gas and Nitrogen ) should be used.
Operation Overview The 962-AGX analyzer system is designed to operate automatically with a minimum need for human intervention. Once installed, commissioned and the initial start-up procedures have been completed, the only human intervention required is when the system indicates a problem or when routine preventative maintenance is scheduled.
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. (The access key is required to open the purge control box.) As a minimum, this valve is adjusted (with the control cabinet closed) until the control cabinet purge pressure indicator goes from Red to Green plus ½...
Analyzer Outputs The 962-AGX analyzer generates both analog and digital output signals for connection to the users’ plant control system. The analog signals include the measured concentrations of H The provided digital signals (relay contacts) represent indications of the current analyzer and enclosure purge state.
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It is insignificant to an operator what the actual cause of invalid data is, but it is important that the data be known to be invalid. It is desirable to enunciate the state change of this indicator from Auto to Manual. Although the 962-AGX software Revision 1...
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automatically holds the last valid H S concentration signal analog output going to the control room, operations personnel benefit from the knowledge of when a change in status occurs. The Control Cabinet Safe Purge Indication employs a contact switch indicating the status of the control cabinet purge.
Section 4 System Control - Hand Held Keypad The User Interaction Program – Overview The system includes an onboard computer, display panel and a hand held keypad that is local to the analyzer. As an alternative, a web based graphical user interface (GUI) can be used to view and enter information on a remote basis.
The dot in the upper right corner indicates that the system is monitoring a sample. If the system is monitoring samples it will be green. If the Back Purge function is selected (see Section 4.3.5), the system is performing a Manual Zero operation (Section 4.3.4) or if the system is offline, the dot will be red.
The Analysis 1 Tab The Analysis 1 tab (Figure 4-1) presents a summary of the present status of the system 4.3.1 Online/Offline Button Clicking the Online / Off Line button changes the status from On Line (green) to Off Line (red) and vice-versa.
4.3.3 Relay Indicator Fields The relay indicators show the state of the analyzer outputs: a) Status Normal (Green) status indicates that the system is working properly Fault (Red) status indicates that the computer has detected an error in one of the critical analyzer functions.
4.3.4 Manual Zero The Manual Zero button starts the zero calibration sequence of the analyzer which incorporates the checking and adjusting of the instrument zero (baseline). No span correction is required under normal circumstances on an installed analyzer. The calibration sequence is identical whether trigger manually or automatically.
Analysis 2 Panel The Analysis 2 panel (Figure 4-3) presents the present and historical H S concentration in a single graphic window. The Cell Pressure and Temperatures fields indicate the instantaneous readings for these parameters, updated every second. Figure 4-3: Analysis 2 Panel The default full scale values and the time scale can be set on the Config panel (Section 4.8).
Indicators Panel The Indicators panel (Figure 4-4) is used to present details of the last 25 fault and warning events. The current status of each of the items is indicated on the right side and the last 25 events are indicated on the grid. A discussion of the causes and remedies for the faults is presented in Section 8.
Spectrum Panel The Spectrum Panel (Figure 4-5) displays the present spectrum and allows the operator to change the integration time. The Peak Height, First Vector Pixel and Dark Level refer to the instantaneous readings for those parameters. Figure 4-5: Spectrum Tab The Integration time refers to the period of time for which the data is collected to provide a data point and is a compromise to optimize the resolution while minimizing the noise in the spectrum.
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Figure 4-6: Integration Period Dialog Box The Factory Reference spectrum refers to a spectrum of zero gas this was saved at the time of analyzer calibration at the factory. If the Show Factory Reference check box is selected, the spectrum will be superimposed on the same set of axes as the active spectrum (Figure 4-7).
New Reference- saves the scan to be used as a reference for calculation without turning solenoids and related activities, like the ZERO button would do (this button is used predominantly for troubleshooting purposes) Peak Height - Height of the highest point in the spectrum First Vector Pixel - The instantaneous reading at the pixel corresponding to the starting wavelength.
Config Panel The Config panel is used to set a broad range of operating parameters and includes 8 sub- panels. The Configuration Panel should be accessed only by qualified personnel. 4.8.1 Config Outputs Sub-Panel The Outputs sub-panel (Figure 4-9) is used to define the H S analog output.
4.8.2 Calculation Sub-Panel The Calculation sub-panel (Figure 4-10) is used to set several calibration parameters. Figure 4-10: Calculation Sub-Panel To edit a parameter, use the Field Prev or Field Next button to access the field and press Enter. A dialog box similar to Figure 4-6 will be presented. Enter the desired value, select the Okay button and press Enter.
When all desired changes have been made, select Save. Selecting Revert will keep the parameter values that were used before the start of the editing process. a) H2S Span - This parameter specifies the span factor utilized for the H S concentration display and output.
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Figure 4-11: Display Sub-Panel To edit a parameter, use the Field Prev or Field Next button to access the field, enter the desired value for the parameter via the keypad and press Enter. The X range is from 1-15 min and the Y range is from 0.1 to 1000. When all desired changes have been made, select Save.
4.8.4 Timers/Alarms The Timers/Alarm panel is presented in Figure 4-12. Figure 4-12: Timers/Alarms Sub-panel To edit a parameter, use the Field Prev or Field Next button to access the field. A dialog box similar to Figure 4-6 will be presented. Enter the desired value for the parameter via the keypad and press Enter.
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C (ºC). This parameter is typically set to 5 or more to reduce the number of solenoid cycles. Aux Set Point (ºC) - The 962-AGX is equipped with a spare on/off temperature control output. This parameter specifies the set point temperature, in degrees C (ºC) at which the auxiliary temperature control device is turned on.
c) Alarms Low Cell (ºC) - This parameter specifies the set point temperature, in degrees C (ºC), which will cause a Low Cell Temperature fault. When the measured cell temperature falls below this value, the analyzer is placed in a Fault condition. The relay outputs and Status indicator are forced to ‘Fault’, and the Control indicator is forced to ‘Manual’.
Section 5 Web Based Operation Overview The Acid Gas Analyzer can be monitored, configured and controlled by use of a Web GUI on a personal computer. The Web GUI can be used to interface to the analyzer in two ways: through a local area network or by direct connection.
The web based program is divided into four major sections, each of which has one or more pages. The major sections are listed on the left side of the window and the pages in a given section can be accessed by expanding the list with the + sign and clicking on the desired page.
5.2.1.2 Status and Control • Online Status - A green indicator and the word Online is presented if the instrument is online. A flashing red indicator and the word Offline is presented if the unit is offline. The state of the Online/Offline button does not affect the operation of the analyzer. The ability to remotely signal plant operations using the relay output of the Control indicator (in conjunction with the Online/Offline button) has been incorporated as a convenience to the user.
• Back Purge - The Back Purge button is used to indicate that zero gas (purge gas) should be allowed to flow through the system. The Sample/Purge indicator will be flashing red and the words Back Purge Sample will be indicated when zero gas is flowing through the system.
5.2.1.4 Graphic Display The graphic display of the H S Trend is updated once per second (Figure 5-3). The latest reading is at the extreme right of the plot. Figure 5-3: H S Trend Plot If desired, the Y axis scaling can be changed. Right click on the plot to present a dialog box (Figure 5-4) in which the desired Ymin and Ymax can be entered.
The calibration matrix is a 9 x 530 element array used in conjunction with the computed absorbance vector to determine the concentration of the H2S present in the measurement cell. Galvanic Applied Sciences, Inc. determines the calibration matrix by incorporating H2S molar absorptivity data with the specific spectral resolution and sensitivity characteristics of a particular spectrometer.
5.2.3 Indicators Page The Indicators page (Figure 5-6) is used to present details of the last 25 fault and warning events. The last 25 events are indicated on the grid and the most recent report is on the right side. A discussion of the causes and remedies for the faults is presented in Section 7.2. Figure 5-6: Indicators Page The colours used on the Indicator page are: •...
5.2.4 Spectrum Curve Page The Spectrum Curve page (Figure 5-7) displays the present spectrum and lets the operator change the integration time. The spectrum data is updated every second. Figure 5-7: Spectrum Curve Revision 1 9/10/2019...
The X and Y coordinates of a data point on the curve can be determined by moving the mouse over the desired point on the spectrum. The Display Factory Reference check box is used to indicate that the factory reference spectrum should be superimposed on the collected spectrum.
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Figure 5-8: Absorbance Curve The Panorama field can be used to select a section of the spectrum for viewing. Use the mouse to define the region of the spectrum that is to be viewed. If desired, the operator can edit the Y by selecting the Change Absorbance Curve Display Y Axis button.
Parameters Section 5.3.1 Parameters The Parameters page (Figure 5-9) lists a number of system parameters which can be viewed or edited. Figure 5-9: Parameters Page When the page is opened, the Read Only mode is active. • The pink background color groups all temperature related parameters. •...
Modbus configuration. If the user requires assistance in setting up a Modbus configuration, the Service Department at Galvanic Applied Sciences Inc. will be pleased to assist in configuring the unit as desired.
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Figure 5-10: MODCON - MODCON32 Format To set up a new Modbus list, press Change to Update Mode to present a dialog box for the password. After the password is entered, the New Load and Save buttons will be activated. To select a different Modbus type, press New to present the Modbus Type dialog box (Figure 5-11).
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Select the desired Modbus type and press OK. As an example, if the ENRON selection is made, the presentation appears as shown in Figure 5-12, Figure 5-12: MODBUS-ENRON Format The bottom two lines of the page include a number of items that relate to communications parameters.
5.3.2.2 The Enron Modbus Protocol An Enron Modbus list contains 4 nodes on the Modbus tree, Coils, Short Integers, Long Integers, and Floating Point (Figure 5-11). Coils are Boolean data points which have a value of either 0 or 1. To that end, data points entered into the Coils node would usually be data points that are simple status indicators, indicating the status of a given alarm, input, or output.
Factory Section The Factory Parameters page (Figure 5-13) presents a number of factory set parameters. Figure 5-13: Factory Parameters Page When the page is opened, the Read Only mode is active. To change a parameter: a) Click on the Change to Update Mode field. A prompt for the password entry will appear. The default password is 9713.
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Figure 5-14: Change Password Dialog Box To change the operator password: a) Click on the Change to Update Mode field and enter the factory password. The default factory password is 9713. b) Click on the Change Password button. The Change Password dialog box will be presented as shown in Figure 5-12.
Help Section 5.5.1 Drawings A number of assembly drawings are included in the application program. These are reproduced as Chapter 9 of this manual. 5.5.2 User Manual This manual can be accessed via the User Manual page 5.5.3 Revision History The Revision History page (Figure 5-15) presents the release ID number of the software.
Section 6 Maintenance Overview The system is designed for automatic trouble-free operation under the continuous supervision of the internal computer. Maintenance requirements include: • Routine preventative maintenance (Section 6.2) • Periodic operations to optimize performance (Section 6.3) A list of recommended spare parts is provided in Section 11. Routine Preventative Maintenance Routine Preventative Maintenance of the 962-AGXHy analyzer consists of: •...
Table 6-1: Normal Values of Key Operating Parameters Inspection Description Should be: On/Off Line Indicator (Analysis On Line (green) • 1 Panel) Relay Indicators (Analysis 1 • Status “Normal” (green) Panel) Service “Normal” (green) • • Mode “Run” (green) Control “Auto” (green) •...
6.2.2 Maintenance Check Out Procedure It is recommended that this maintenance check be performed once per week and the Maintenance Record Sheet be completed. The record sheet can be copied and it is recommended that the completed record sheets are saved in a secure location.
Table 6-2: Maintenance Record Sheet Operator Name Date Response Unit No. Time Test # Description Item to Check Observed Response Initial Status Fault Condition Cell Temp Cabinet Temp Integration Period Forced Zero Time to stabilize S Reading Initial Raw Signal Peak Height Standard Shape Yes/No...
Changing the Anti-Solarant Solution Radiation generated by the analyzer’s broadband UV Source Lamp in the deep UV region (less than 200 nm) is capable of degrading the optical fibres. An optical fibre directly exposed to the broadband source will develop an absorption band that reduces fibre transmittance at wavelengths below 250 nm.
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c) Loosen the fluid holder locking screw (s) on the left-side of the fluid holder using a 7/64" ball driver. d) Lift the fluid holder from the base by grasping the fluid holder filler plug. Note the approximate level of Anti-Solarant Solution remaining in the chamber (it should be about 75%).
Optimizing the Spectrometer Energy Level Optimization of the Spectrometer Energy Level is periodically required to maintain a sufficient signal to noise ratio on the spectrometer output signal as the spectral output signal from the spectrometer will deteriorate over time. The normal causes of this deterioration are: •...
6.4.2 Manual Optimization a) Place the analyzer in Zero mode by accessing the Analysis 1 panel, place an X in the Back Purge field and pressing Enter. b) Access the Spectrum panel. c) If the peak level is between 25,000 and 32,000 then no adjustment is required at this time.
A major component failure should be handled by contacting Galvanic Applied Sciences, Inc. Galvanic Applied Sciences, Inc. offers service on a call-out basis and/or factory assistance on the 962-AGX analyzer. For Service and/or Assistance Contact: Galvanic Applied Sciences Inc.
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Figure 7-1: Indicators Panel The Analyzer Fault table is presented in Table 7-1 and a listing of some other issues that may be observed is presented in Table 7-2. Revision 1 9/10/2019...
Table 7-1: Analyzer Fault Table Cell Temperature Oven heater fuse is blown (ACTS:25) • Cell assembly is not securely clamped to the heaters • Oven heater(s) is inoperative • Set-point for low temperature alarm is incorrect • Auxiliary • The auxiliary heater fuse is blown (ACTS:26) The auxiliary heater is inoperative.
Table 7-2: Additional Service Related Observations S noise level is increasing Spectrometer energy level needs • optimization Slow or no response on return to sample • Sample system plugging has occurred mode from Zero sample solenoid is inoperable • • zero solenoid is not getting power Changing the UV Source Lamp The UV Source Lamp requires replacement when either the lamp will not start, or when the...
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Socket Head Cap Screw Figure 7-2: Location of On/Off Switch c) Access the purged control cabinet following proper company and/or regulatory agency procedures. d) Lift the fuse terminal tab opening the terminal block and disconnect the UV Lamp Power Supply fuse. (ACTS:28) or place the UV Lamp power switch to the Off position (see Figure 7-2 for the location of the switch).
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h) Remove the two (2) lamp retaining screws (5-40 x 3/8") from the lamp retaining ring using a 3/32" ball driver. Remove the lamp. Place the new lamp in the lamp retainer on the lamp mount assembly. Ensure the lamp is facing the correct direction.
Changing the Fibre Optic Cable (s) The Fibre Optic Cables will generally only require change-out if they suffer from mechanical damage or if they have been exposed directly (in the absence of Anti-Solarant Solution) to the UV Source radiation for definite time periods. The Fibre Optic Cable ends terminate into SMA type connectors and are intended to be installed with the Seal body at the control cabinet.
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g) Disconnect the Fibre Optic Cable to be replaced from either the UV Lamp Power Supply cabinet or the Spectrometer by unscrewing the nut and pulling the Fibre Optic Cable out. The fibre can then be pulled out through the cabinet seal fitting. h) Open the oven cabinet door.
w) Remove the backpurge by selecting the Sample check box. x) Click the On Line / Off Line switch to indicate that the system is On Line. The system will automatically restart. The analyzer may show a fault and be in Manual (back purge) mode when put On Line, due to low cell temperature.
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h) Once the oven’s components have cooled enough to handle, with the zero gas still flowing, switch the Sample Isolation Block valve (V1) and the Vent Isolation Block valve (V2) to the Off position, thus preventing toxic sample gas from reentering the system once the zero gas is turned off.
Cell Windows Replacement Under normal operating conditions, cell window replacement is necessary only when the particular window becomes cracked, chipped, etched or stained to a non-cleanable degree. Changing the cell windows is most easily accomplished by removing the entire measurement cell assembly from the oven compartment.
g) Inspect the measurement cell body. Clean with isopropyl alcohol, using a nonabrasive lint free tissue such as KimWipes® or a cotton swab. Thoroughly rinse the cleaned surface with pharmaceutical grade distilled water and dry completely before reassembly. h) Hold the measurement cell vertically and install the new bottom O-Ring in the top window recess, ensuring that it is centered and sitting in the O-Ring seat.
Cell Low Temperature Set-point plus a 3-degree hysteresis constant. The analyzer can be left unattended at this point and will return to normal operation on its own. Spectrometer Replacement Consult Galvanic Applied Sciences for spectrometer replacement Revision 1 9/10/2019...
The Product Quality Assurance Program Overview The Galvanic Applied Sciences product quality assurance program is designed to ensure that the system meets all manufacturing 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.
QA Document Package Check List and Requirements Table 8-1 is completed during the manufacturing process and QA inspection to ensure that the all relevant operations are performed. Table 8-1: Document Package Check List Serial Number: _______________ Description Initial Date Sample System Pressure Checked Control Cabinet Type Z Purge System Checked Gas Runs Complete (Calibration Data Sheet) Temperature Sensor Inputs Checked and Calibrated...
Section 9 Drawings Five assembly drawings are provided in this section. These drawings can also be viewed on the Drawing page of the Help section of the remote software Figure 9-1: Customer Connections Figure 9-2: Analyzer Components Figure 9-3: Inputs and Outputs Figure 9-4: AC Wiring Overview Figure 9-5: DC Wiring Overview Revision 1...
Section 10 Specifications Performance Specifications Auto Calibration User Selectable Frequency Zero Drift < 0.25% of full scale per day (based on autozero frequency of once/hour Sensitivity +/- 2.0 % of Full Scale Repeatability +/- 2 % of Full Scale Response Time Analyzer –...
It is recommended that the purchaser have the spare parts indicated below at the plant site to expedite maintenance and service procedures. Spare Parts can be obtained from: Galvanic Applied Sciences 7000 Fisher Road S.E. Calgary, AB, Canada, T2H 0W3...
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Table 11-1: One Year Kit -120 V Analyzer Item Description Part Number Quantity Unit of Measurement Cell Window BA7118 each O Rings for Cell Windows CO7134 each UV Source Lamp BA1795 each Anti-Solarant Solution CO7312 Bottle Fuse, 2 Amp PC7089 Pkg of 5 Fuse, 1.5 Amp PC7090...
Section 12 The Peripheral Board 12.1 Accessing the Board To obtain access to the peripheral board set up menus, enter the IP address and port number of the analyzer followed by “userio.html” into your web browser’s address line as shown below.
12.2 The Status Tab 12.2.1 Information on the Status Tab The Status tab (Figure 12-1) presents information about the analog and digital inputs and outputs of the analyzer. These parameters are provided for reference and cannot be edited on this tab. Analog Outputs, Relay and Solenoid status can be edited and on the Manual Override tab (Section 12.3).
12.3 Manual Override Tab The Manual Override tab (Figure 12-2) allows the user to view and manually control the outputs of the analyzer. To take manual control of the outputs, place a checkmark in the Direct Peripheral Board Control check box. This tab allows the operator to make changes to the peripheral board of the instrument.
12.3.1 Analog Output Fields Each Analog Output box allows the user to configure, calibrate and test an analog output. 12.3.1.1 Calibrating and Testing the Analog Outputs To test or calibrate any I/O point, first click on the Direct Peripheral Board Control checkbox.
The Description field for the analog output is provided to enter the name of the parameter being monitored analog output connector. The Unit field for the analog output is provided to enter the parameter units for the measured parameter. The Calculated Value field shows the present value of the output in the calibrated units. 12.3.2 Testing the Digital Inputs To test a digital Input:...
Index Absorbance, 55 Dark Level, 38 Absorbance Panel, 38 Digital Inputs AC Connection, 20 Testing, 102 Analog Output Fields, 101 Digital Outputs, 25 Analog Output Full Scale, 39 Testing, 102 Analog Outputs, 25 Digital Signal Cables Analog Signal Cables Connecting, 21 Connecting, 21 Display, 28, 41 Analysis 1 Tab, 31...
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Loss of Purge Signal Safety Guidelines, 8 Connecting, 22 Safety Symbols, 7 Sample, 49 Sample Line Connections, 20 Maintenance, 65 Sample Return Line Connections, 20 Maintenance Record Sheet, 68 Sample System, 13 Manual Override Tab, 100 Sample/Backpurge, 49 Manual Zero, 33, 49, 50 Service, 73 Measurement Cell Service Indicator, 25...
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