Ecotech Serinus 57 User Manual
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Ecotech Serinus 57 User Manual

Total reduced sulfur analyser
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Serinus 57
Total Reduced
Sulfur Analyser
User Manual
Version: 1.0
www.ecotech.com

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  • Page 1 Serinus 57 Total Reduced Sulfur Analyser User Manual Version: 1.0 www.ecotech.com...
  • Page 3 If, after reading this manual you have any questions or you are still unsure or unclear on any part of the Serinus 57 then please do not hesitate to contact Ecotech or your local Ecotech distributor.
  • Page 4  To reduce the risk of personal injury caused by electrical shock, follow all safety notices and warnings in this documentation.  If the equipment is used for purposes not specified by Ecotech, the protection provided by this equipment may be impaired.
  • Page 5 To ensure that we process your factory repairs and returned goods efficiently and expeditiously, we need your help. Before you ship any equipment to our factory, please call your local Ecotech service response centre (or distributor) to obtain a return authorisation number.
  • Page 6 Check all containers against the packing list immediately on receipt. If a shortage or other discrepancy is found, notify the carrier and Ecotech immediately. We will not be responsible for shortages against the packing list unless they are reported promptly...
  • Page 7 Serinus 57 User manual 1.0 Front Matter Internationally recognised symbols used on Ecotech Equipment Electrical fuse IEC 60417, No. 5016 Earth (ground) terminal IEC 417, No. 5017 Equipotentiality IEC 417, No. 5021 Alternating current IEC 417, No. 5032 Caution, hot surface IEC 417, No.
  • Page 8 User Manual for the Serinus 57 Total Reduced Sulfur analyzer This manual is the full user manual for the Serinus 57 Total Reduced Sulfur analyzer. This manual contains all relevant information on theory, specifications, installation, operation, maintenance, calibration, communication and troubleshooting. Any...

  • Page 9: Table Of Contents

    Serinus 57 User manual 1.0 Front Matter Table of Contents ..................1 OTAL EDUCED ULFUR NALYZER INTRODUCTION ......................1 1.1 D ........................1 ESCRIPTION 1.2 S ......................1 PECIFICATIONS 1.2.1 M ......................1 EASUREMENT 1.2.2 P ....................1 RECISION CCURACY 1.2.3 C...
  • Page 10 Front Matter Serinus 57 User manual 1.0 3.5.2 A ......................19 NALYZER TATE 3.5.3 G ..................... 21 ENERAL ETTINGS 3.5.4 M ................... 22 EASUREMENT SETTINGS 3.5.5 C ....................23 ALIBRATION MENU 3.5.6 S ........................25 ERVICE 3.5.7 C ...................... 29 OMMUNICATIONS CALIBRATION ......................
  • Page 11 Serinus 57 User manual 1.0 Front Matter OPTIONAL EXTRAS ....................65 8.1 D ....................65 UAL SAMPLE FILTER 8.2 R ......................65 ACK MOUNT KIT 8.3 I ......................67 NTERNAL PUMP 8.3.1 P ) ..............67 NEUMATIC DIAGRAM INTERNAL PUMP 8.3.2 A...
  • Page 12 Front Matter Serinus 57 User manual 1.0 List of Figures Figure 1 Simple pneumatic diagram ..................4 Figure 2 Optical measurement theory ..................5 Figure 3 Major Components of analyzer ................... 6 Figure 4 Opening the lid ......................10 Figure 5 Instrument Back panel ....................11 Figure 6.

  • Page 13: Total Reduced Sulfur Analyzer

    The Serinus 57 Total Reduced Sulfur analyzer uses UV fluorescent radiation technology combined with an external thermal converter to detect Total Reduced Sulfur to a sensitivity of < 0.5 ppb in the range of 0-2 ppm. The Serinus 57 measures TRS with the following instruments/techniques: ...

  • Page 14: Power

    Introduction Serinus 57 User manual 1.0 1.2.4 Power Operating voltage:  99 to 132 VAC, 198 to 264 VAC, 47 to 63 Hz 1.2.5 Operating conditions Ambient Temperature Range:  5ºC to 40 ºC (41 ºF to 104 ºF) Sample pressure dependance: ...

  • Page 15: Nomenclature

    Serinus 57 User manual 1.0 Introduction 1.3 Nomenclature Span: A gas sample of known composition and concentration used to calibrate/check the upper range of the instrument (Hydrogen sulfide or Sulfur Dioxide). Zero: Zero calibration uses zero air (TRS and SO scrubbed ambient air) to calibrate/check the lower range of the instrument.

  • Page 16: Background/ Theory

    UV from this, emission of photons occurs (300- 400nm). The amount of fluorescence emitted is directly proportional to the SO concentration. The Serinus 57 follows these principles and measurement techniques:  Sample air is passed through a hydrocarbon kicker which removes...

  • Page 17: Kalman Filter Theory

    Serinus 57 User manual 1.0 Introduction  Wavelengths at 310-350nm pass through the filter where they reach the photomultiplier and record a signal.  A reference detector monitors the emission from the zinc lamp and is used to correct for fluctuations in lamp intensity.

  • Page 18: Particulate Filter

    Introduction Serinus 57 User manual 1.0  The power supply which supplies power for all the instrument processors  The Communication module to access data Figure 3 Major Components of analyzer 1.5.1 Particulate filter The Particulate filter is a Teflon 5 micron (µm) filter with a diameter of 47mm.

  • Page 19: Reaction Cell

    Serinus 57 User manual 1.0 Introduction Reaction Cell 1.5.4 UV lamp The UV lamp is a discharge zinc UV lamp which emits UV radiation over a broad range UV Bandpass Filter The bandpass filter only allows UV at 214nm through into the cell.

  • Page 20: Lamp Driver Pcb

    Introduction Serinus 57 User manual 1.0 1.5.8 Lamp Driver PCB This driver uses a high voltage and high frequency switching supply to start and maintain the UV lamp at a constant intensity. The lamp current is set by the microprocessor and is maintained at 27 1.5.9...

  • Page 21: Hto 1000 External Thermal Converter (Optional)

    TRS to SO . Converter efficiency is better than 96% at a temperature range of 800°C ± 100°C. The HTO 1000 is connected to the Serinus 57 analyzer through the rear ports. See section 8.4 for more details...

  • Page 22: Installation

    2.1 Initial check Packaging The packaging which the Serinus 57 is transported in is specifically designed to minimise the effects of shock and vibration during transportation. Ecotech recommends that the packaging be kept if there is a likelihood that the instrument is going to be relocated.

  • Page 23: Mounting/Siting

    Figure 5 Instrument Back panel 2.3.1 Pneumatic connections The Serinus 57 contains 6 pneumatic ports on the back panel of the analyzer; the sample port, calibration port, exhaust port background air port, Auxiliary In port and Auxiliary Out port. All tubing and fittings used should follow the instructions below: ...

  • Page 24: Power Connections

    Installation Serinus 57 User manual 1.0  Tubing must be cut squarely and any burrs removed  Remove nut, insert tubing through back of nut with tube extending 1 inch through front  Place tubing into port until it hits the tube stop inside fitting ...

  • Page 25: Communications Connections

     This port is also designed to be used with a Termination Panel allowing the Serinus instrument to work as a datalogger. This function is an optional extra and should be purchased from Ecotech. RS232 #2  Connect RS232 cable from instrument to computer, datalogger or in a daisy chain formation.

  • Page 26: Transporting/Storage

    Installation Serinus 57 User manual 1.0 2.4 Transporting/Storage Transporting the Serinus should be done with great care. It is recommended that the packaging the Serinus was delivered in should be used for any transport as it ensures minimal damage to the instrument. When transporting or storing the instrument the following points should be followed: ...

  • Page 27: Operation

    Serinus 57 User manual 1.0 Operation 3.1 Warmup As the instrument is turned on it will adjust and calibrate itself ready for monitoring. No measurements are taken during the warm-up. When the main screen appears, the instrument will display the following actions being...

  • Page 28: Main Screen

    Operation Serinus 57 User manual 1.0 (2) Scrolling buttons The scrolling buttons allow users to scroll up and down through menus. The scrolling buttons are also used to scroll side to side through editable fields (Date, time, concentration etc). On the main screen these buttons are used for adjusting contrast.

  • Page 29: Sampling

    Serinus 57 User manual 1.0 Operation Status/Error line (2) The Status/Error line provides users with information on any problems the instrument may have. It includes all the status/errors contained in the Status Menu section 3.5.2.1. Instrument Activity (3) The Instrument activity line shows what function the instrument is currently performing.

  • Page 30: Menus And Screens

    Operation Serinus 57 User manual 1.0 3.5 Menus and screens The Menu system is divided into 2 sections, the Quick Menu and the Main Menu. The quick menu contains all information and operations necessary during scheduled maintenance visits. The main menu contains all fields that are accessible to users; they provide information on component failures, measurement parameters as well as editable fields and test procedures.

  • Page 31: Analyzer State

    Serinus 57 User manual 1.0 Operation Service due A non-editable field that notifies the user when the next instrument service is due. This value is editable in the “Next service due” field of the Service menu (section 3.5.6). This field is only displayed in the 2 weeks prior to the date displayed in this field, or after the date has occurred.
  • Page 32 Operation Serinus 57 User manual 1.0 Lamp/Source Checks if the Lamp current is between 20-50 mA. Pass if within these limits, Fail if outside. USB Key Detects whether a USB key is plugged into the USB port and instrument is logging Flow Block Temp (Optional internal pump only).

  • Page 33: General Settings

    Serinus 57 User manual 1.0 Operation Sample Flow Indicates the gas flow through the sample port of the instrument, should be around 0.70 Note: Will indicate 0.00 if the flow transducer senses flow has gone to zero. 3.5.2.4 Voltages Conc Voltage...

  • Page 34: Measurement Settings

    Operation Serinus 57 User manual 1.0 System Time The time can be entered in this screen by selecting “change” and using the keypad and scroll buttons to change time (24 hour clock). Backlight Select how long (minutes) the instrument backlight will stay on for...

  • Page 35: Calibration Menu

    Serinus 57 User manual 1.0 Operation 3.5.5 Calibration menu Span Calibrate This field is used to correct the span calibration setting. This option should be used only when a known concentration of span gas is running through the measurement cell. When this is happening activate the span...
  • Page 36 Operation Serinus 57 User manual 1.0 Cal Temperature Temperature at which the instrument performed its last span calibration ============================================== MANUAL MODE ============================================== Cal. mode When in Manual mode the instruments operational mode can be chosen from the following:  Measure: is the normal measurement through the sample port ...

  • Page 37: Service

    Serinus 57 User manual 1.0 Operation 3.5.6 Service The Service Menu is information used to diagnose problems or suspected problems. The settings return to the previously set conditions when the operator leaves this menu. Diagnostics See section 3.5.6.1 Calculation factors See section 3.5.6.2...
  • Page 38 Operation Serinus 57 User manual 1.0 above. This value is also displayed as a non editable field in the quick menu section 3.5.1. Rebuild event Log Index This feature will rebuild the logs on the USB key. This is necessary when any changes to the files or folders on the USB key have been made (including within a file).
  • Page 39 Serinus 57 User manual 1.0 Operation  Selecting Disabled will pause the instruments control over certain processes and parameters (digital pots, internal pump etc). The user can now manually alter and adjust digital pots.  When instrument is put back in “Enabled” mode or taken back to main screen the new pots will be set and instrument will resume control over pots.
  • Page 40 Operation Serinus 57 User manual 1.0 Span/Zero select Shows the action of the valve that determines whether Sample gas or Calibration gas/internal zero air is being sampled (Open = Span/Zero, Closed = Sample gas). Cal Port Select Shows the action of the valve that determines whether the instrument...

  • Page 41: Communications

    Serinus 57 User manual 1.0 Operation Instrument gain A multiplication factor used to adjust the concentration measurement to the appropriate level (set at calibration) Zero Offset This field displays the offset created from a zero calibration, this is the concentration measured from zero air and is subtracted from all readings.
  • Page 42 Operation Serinus 57 User manual 1.0 3.5.7.2 Data Logging Menu Data Log Setup –Quick Allows up to 15 parameters to be logged. After each parameter (labelled “Logging Param. 1” – “Logging Param. 15”) place the number of the parameter that is to be logged found in: ...
  • Page 43 Serinus 57 User manual 1.0 Operation 3.5.7.4 Digital Inputs Menu Assign the digital input 0-7 with one of the following commands. When a signal is sent over the specified input the following action will be taken Disabled No action taken...

  • Page 45: Calibration

    Serinus 57 User manual 1.0 Calibration Calibrations with the Serinus 57 TRS analyzer incorporates the TRS converter and should be performed as outlined below with no changes to the analyzer-converter configuration. Span gas used throughout all procedures is H S gas.

  • Page 46: Multipoint Calibration

    1. Ensure a suitable span source is connected to instrument from a gas calibrator (Ecotech recommends the GasCal-1100) through the sample port 2. Record analyzer instrument gains before performing calibration (section 3.5.1) 3. Perform a zero calibration as described in section 4.1 4.

  • Page 47: Figure 8 Excel Graph Of Multipoint Calibration

    Serinus 57 User manual 1.0 Calibration Record the concentration measurement at each point and determine the percent difference between instrument response and the supplied concentration using the following equation Instrument Response Supplied Concentrat   Percent Difference Supplied Concentrat Equation 1 Instrument accuracy 8.

  • Page 48: Pressure Calibration

    Calibration Serinus 57 User manual 1.0 4.4 Pressure calibration The pressure calibration involves a two point calibration, one point under vacuum and another point at ambient pressure. This procedure is necessary when all settings have been wiped, when pressure readings are faulty or for diagnostic purposes. To perform...

  • Page 49: Precision Check

    Serinus 57 User manual 1.0 Calibration Figure 10 Pressure menu 9. Select the set option (activate buttons) the Current Pressure window will open 10. Using the keypad, input the current pressure reading on the meter. 11. Press the “Accept” button to calibrate pressure sensors Ambient 1.

  • Page 50: Communications

    Service Serinus 57 User manual 1.0 The Serinus analyzer has four methods of communication. Each communication method is used in specific situations for data download, instrument control or both. The Serinus can perform communication through 4 different paths (RS232, USB, 25 pin Digital/Analog input/output or TCP/IP network (optional).

  • Page 51: Figure 12 Device Installer Pop Up Window

    Serinus 57 User manual 1.0 Service 2. The Serinus analyzer must be configured to allow network use, this is done through directly connecting it with a PC. Using a crossover Ethernet cable, connect the cable from the Ethernet port on the Serinus to a free Ethernet port on the PC.

  • Page 52: Digital/Analog Communication

    Service Serinus 57 User manual 1.0 Change Setup: 0 Server 1 Channel 1 3 E-mail 5 Expert 6 Security 7 Defaults 8 Exit without save 9 Save and exit Your choice ? 1 8. Change the settings to match those in brackets below as they appear. The value in brackets indicates its current configuration.

  • Page 53: Figure 15 Serinus 25 Pin Microprocessor Board (With Default Jumpers Highlighted)

    Serinus 57 User manual 1.0 Service Analog Inputs The Analyzer is also equipped with three analog inputs with resolution of 15 bits plus polarity. Input voltage 0-5 V Digital Status Inputs The analyzer is equipped with 8 logic level inputs for the external control of the Analyzer such as Zero/Span sequences.

  • Page 54: Figure 16 External 25Pin I/O Individual Pin Descriptions

    Service Serinus 57 User manual 1.0 Figure 16 External 25pin I/O individual pin descriptions Warning: The Analog and Digital Inputs and Outputs are rated to CAT I, meaning that they should be less than 12VDC. Exceeding these voltages permanently damage the instruments and void warranty...

  • Page 55: Serinus Downloader Program

    Serinus 57 User manual 1.0 Service 5.5 Serinus downloader program The Serinus Downloader program is designed to allow the user to acquire data directly from the analyzer and control it remotely. The Serinus downloader program has four main windows; “Settings” where configurations are made to communicate with the analyzer, “Data”...
  • Page 56 Service Serinus 57 User manual 1.0 Connection The user must select the type of connection that the computer is connect to the analyzer with. This is chosen in the “Connection Type” field and consists of: Direct Serial connection: Used when the analyzer is connected directly to PC via serial port Port ...

  • Page 57: Figure 17 Serinus Downloader - Settings Tab

    Serinus 57 User manual 1.0 Service Figure 17 Serinus downloader - settings tab...

  • Page 58: Data

    Service Serinus 57 User manual 1.0 5.5.2 Data The Data window consists mainly of a spreadsheet with rows (numeric) and columns (labeled as per parameter). The amount of data to be uploaded into the spreadsheet is determined by the start and end date range on the left side of the main menu bar.

  • Page 59: Remote Screen

    Serinus 57 User manual 1.0 Service 5.5.3 Remote screen The remote screen tab allows the user to connect to the Serinus instrument and control it remotely. The screen has all the same buttons as the Serinus gas analyzer and is used as virtual interface with the instrument. The screen is a screenshot and not an automatically updated feed;...

  • Page 60: Remote Terminal

    Service Serinus 57 User manual 1.0 5.5.4 Remote terminal The remote terminal tab is a diagnostic tool used to check instrument operation and parameters. The remote terminal is used in a similar way to “ping” a computer; it is used to ensure communications are working properly.

  • Page 61: Service

    6.1 Pneumatic diagram See section 8.3.1 for pneumatic diagram with internal pump Figure 21 Pneumatic diagram 6.2 Maintenance tools To perform general maintenance on the Serinus 57 the user will be require the following equipment:  Toolbox  Digital multimeter (DMM) ...

  • Page 62: Maintenance Schedule

    Service Serinus 57 User manual 1.0 6.3 Maintenance schedule Table 1 Maintenance Schedule Interval * Task performed Page Weekly Check inlet particulate filter, replace if full/dirty Check sample inlet system for moisture or foreign materials. Clean if necessary Perform precision check...

  • Page 63: Maintenance Procedures

    Serinus 57 User manual 1.0 Service 6.4 Maintenance procedures 6.4.1 Particulate filter replacement Disconnect the external pump Slide open (Figure 22) to access the particulate filter (located in front right hand corner Unscrew the filter cap (bright blue) by turning it counterclockwise...

  • Page 64: Dfu Replacement

    Service Serinus 57 User manual 1.0 6.4.3 DFU Replacement Turn off analyzer and remove power Remove Kynar nut from the end of the DFU by turning anti-clockwise (looking from DFU side) Replace DFU and ensure that the flow is in the correct direction (arrows...

  • Page 65: Advanced Leak Check

    Serinus 57 User manual 1.0 Service 6.4.5 Advanced leak check If a leak is suspected a more intensive leak check can be performed. Continue from the setup in the quick leak check. Connect a pump to the exhaust port with a shut off valve (pump side)

  • Page 66: Replace Pmt Desiccant Pack

    Service Serinus 57 User manual 1.0 6.4.7 Replace PMT desiccant pack The PMT housing contains two desiccant packs to prevent condensation on the cooled PMT housing. If the desiccant expires it will result in corrosion of the PMT housing and premature cooler failure. It is recommended that the desiccant bags be changed at least annually.

  • Page 67: Replace Dfu Filter

    Required equipment: Oscilloscope Proper operation of the UV lamp is essential to the Serinus 57. The UV lamp should be checked yearly to ensure it is operating within acceptable parameters and may require realignment to maintain sufficient UV light for analyzer operation. The UV lamp will need to be adjusted only when the “Reference gain pot”...

  • Page 68: Pressure Sensor Check

    Service Serinus 57 User manual 1.0 Figure 27 Collets of the UV lamp Physically adjust the UV lamp (rotate and move left and right) until the maximum peak voltage on the oscilloscope is obtained, not to exceed 2 volts peak. The minimum usable output from the lamp is approximately 0.25 volts amplitude (peak to peak).
  • Page 69 Serinus 57 User manual 1.0 Service 3. Using a small flat screwdriver, lift the metallic clip holding the battery whilst sliding the old battery out. 4. Now place the new battery in with the positive (+) side facing up. 5. Close the main PCB and return the screws. Close the cover again.

  • Page 70: Parts List

    Service Serinus 57 User manual 1.0 6.5 Parts list Below is a list of the replaceable parts of the Serinus 57. Some of these parts will not need replacing and other consumables will need constant replacing. Table 2 Parts List...

  • Page 71: Updating Firmware

    Serinus 57 User manual 1.0 Service Dessicant, 5 gram pack (2 required) C050014 O-ring, Test Plug, Test lamp O010021 Fitting kynar male branch tee F030033-01 Washer neo, .174x .38x.016 F050041 O-ring BS115, viton O010004 O-ring BS015, viton (3 required) O010023...

  • Page 73: Troubleshooting

    Serinnus-50 User manual 1.0 Troubleshooting Table 3 Troubleshoot list Error Message/ Cause Solution Problem A/D conversion Temp/press error Replace main PCB error Input pot limited to Damaged Lamp Check that lamp current is 35mA. If not 0 or 255 35mA replace Lamp driver board. If pot still 255, replace UV lamp Zero Flow Multiple...

  • Page 74: Zero Flow

    Troubleshooting Serinnus-50 User manual 1.0 temperature. Verify that the cell temperature is 50 3 C and that the TE cooler is 10 2 C. Low span Leaks A leak dilutes the sample stream and causes low span readings and noise. Span calibration out Adjust the span using the calibration procedure Faulty lamp...

  • Page 75: Electronic Zero Adjust

    Serinnus-50 User manual 1.0 Troubleshooting 7.2 Electronic Zero adjust 7.3 TRS reaction cell temperature failure...

  • Page 77: Optional Extras

    Figure 28 Dual filter option installed 8.2 Rack mount kit The rack mount kit is necessary for installing the Serinus 57 into a 19” rack. The Serinus 57 is 4RU in height to install in the rack follow these steps.

  • Page 78: Figure 30 Installation Of Lid To Rack Mount Brackets

    Optional Extras Serinus 57 User manual 1.0 3. Insert the instrument lid (without the instrument) into the rack and attach to the already installed instrument brackets with M6 bolts, shown circled in Figure 30. Figure 30 Installation of lid to rack mount brackets 4.

  • Page 79: Internal Pump

    H010038 8.3.3 Removed components The Serinus 57 has a number of components missing from the standard analyzer due to the presence of the internal pump and flow block controlling flow within the instrument. The parts that have been removed when internal pump is included are:...

  • Page 80: Menus

    25000447-007 Barb adaptor (X 2) H010007 8.3.4 Menus When the internal pump is installed in the Serinus 57 the following menus are added, unique only to instruments with an internal pump. Pressure & Flow menu Flow SetPoint The flow that the internal pump is set to pull...

  • Page 81: Flow Calibration

    Serinus 57 User manual 1.0 Optional Extras Note: Coarse and Fine are not selectable when the Flow control is enabled Valves Menu: Opens valve menu where individual valves can be open and shut (see section 3.5.6.1.5 for valves menu) 8.3.5 Flow Calibration The following procedure must be performed after any exchanges/changes to fittings or filters.

  • Page 82: Pressure Calibration

    Optional Extras Serinus 57 User manual 1.0 8.3.6 Pressure Calibration The internal pump requires a separate flow calibration procedure that replaces the one used in section 4.4 1. Go to Main menu  Calibration  Flow calibration 2. Go to the “Valve menu” and set “Valve sequencing” to OFF 3.

  • Page 83: Hto 1000 Converter

     Sample gas containing TRS then goes through the converter that converts TRS to SO this gas is then analyzed by the Serinus 57 analyzer. Conversion of TRS to SO has a 1:1 relationship therefore the measured concentration of SO is directly proportional to the TRS concentration.

  • Page 84: Maintenance

    1. First zero the analyzer with a reliable zero air supply. 2. Bypass the HTO 1000 temporarily with teflon tubing and appropriate ¼” fittings. Calibrate the Serinus 57 using a diluted SO NATA accredited calibration gas (typically at 200ppb concentration).
  • Page 85 Serinus 57 User manual 1.0 Optional Extras appropriate ¼” fittings. Check the analyzer calibration using the same concentration of SO as in step 1. Check that the analyzer reads close to the expected value (190-200ppb). Adjust the calibration of the SO analyzer again to read 200ppb.

  • Page 87: Appendix A Advanced Protocol Parameter List

    Serinus 57 User manual 1.0 Appendix Note: Parameters are for all Serinus analyzers and may not be applicable to an individual analyzer. Table 7 Advanced Protocol Parameter list Description Notes Sample / Cal Valve 0=Sample, 1=Cal/Zero Cal / Zero Valve...
  • Page 88 Appendix Serinus 57 User manual 1.0 Analogue input 13 EXTERNAL ANALOG INPUT 1 Analogue input 14 EXTERNAL ANALOG INPUT 1 Analogue input 15 MFC0 NOT USED CO Measure Pot : Coarse S30 Measure ZERO Coarse adjustment Pot CO Measure Pot: Fine...
  • Page 89 Serinus 57 User manual 1.0 Appendix O3 Lamp Temperature Instrument Status Reference Voltage Calibration State 0 = MEASURE 1 = CYCLE 2 = ZERO 3 = SPAN Primary Raw Concentration (before NOx background and gain) Secondary Raw Concentration (before NOx background and gain)
  • Page 90 Appendix Serinus 57 User manual 1.0 3=mG/M³ 4=µG/M³ 5=nG/M³ Background Measure Time In seconds Sample Fill Time In seconds Sample Measure Time In seconds Aux Measure Time In seconds Aux Sample Fill Time In seconds Background Fill Time In seconds...
  • Page 91 Serinus 57 User manual 1.0 Appendix Reserved Temperature Units 0 = "ºC", 1 = "ºF", 2 = "ºK", Pressure Units 0 = "torr", 1 = "psi", 2 = "mbar", 3 = "atm", 4 = "kPa" Averaging Period 0 = " 1 Min", 1 = "...
  • Page 92 Appendix Serinus 57 User manual 1.0 Service Port (COM 1) Protocol 0 = " EC9800", 1 = "Bavarian", 2 = "Advanced" Multidrop Port (COM 2) Protocol 0 = " EC9800", 1 = "Bavarian", 2 = "Advanced" Gas1 Over Range The Upper Concentration Range when Over-...

  • Page 93: Appendix B - Ec9800 Protocol

    Serinus 57 User manual 1.0 Appendix – – E B – DCONC Function Sends the current instantaneous concentration data to the serial port. Format DCONC,{<DEVICE I.D.>}{TERMINATOR} Device response {GAS}<SPACE>{STATUS WORD}<CR><LF> All numbers are in floating point format. The STATUS WORD indicates the...
  • Page 94 Appendix Serinus 57 User manual 1.0 Device response <ACK> if the unit under test is able to perform the command, <NAK> if not. RESET Function Reboots the instrument (software reset). Format RESET, {<DEVICE I.D.>}{TERMINATOR} Device response <ACK>...

  • Page 95: Appendix C - Bavarian Protocol

    Serinus 57 User manual 1.0 Appendix – – B C – Bavarian Network Command Set Format All Bavarian Network commands follow the command format as specified in this section. The specific Bavarian commands and their function are described in section Bavarian Network Command Format: <STX><TEXT><ETX><BCC1><BCC2>...

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