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Bruker IFS 125M User Manual

Bruker IFS 125M User Manual

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IFS 125M
User Manual
1015996

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  • Page 1 IFS 125M User Manual 1015996...
  • Page 2 Brand names, registered trademarks etc. used in this manual, even if not explicitly marked as such, are not to be considered unprotected by trademarks law. They are the property of their respective owner. This manual is the original documentation for the IFS 125M spectrometer.

  • Page 3: Table Of Contents

    Connecting spectrometer to purge gas supply line ..........26 Inserting beamsplitter ..................... 27 3.8.1 Handling instructions ....................27 3.8.2 Inserting procedure ....................28 Description ....................31 Spectrometer front side ..................31 Spectrometer rear side................... 32 Bruker Optik GmbH IFS 125M User Manual...
  • Page 4 Changing procedure ....................58 5.11 Purging the spectrometer ..................65 Maintenance....................67 General maintenance considerations ..............67 6.1.1 Electrostatic discharge ................... 68 Checking laser signal ..................... 68 6.2.1 Amplitude........................ 68 6.2.2 Quick check in OPUS ..................... 69 IFS 125M User Manual Bruker Optik GmbH...
  • Page 5 Checking optical alignment .................. 115 6.8.8 Remounting covers ....................118 Re-adjusting fiber-coupling head................120 6.10 Cleaning housing....................122 Troubleshooting ..................123 General information on fault diagnostics .............. 123 7.1.1 Remote fault diagnostics via full report ..............124 Bruker Optik GmbH IFS 125M User Manual...
  • Page 6 Optional configuration: spectrometer and PC connected to a network ....176 9.2.3 Optional configuration: spectrometer connected to network PC ......177 Assigning network addresses................178 Communication between spectrometer and PC ........... 180 Connection Ports..................181 10.1 Flange panel......................182 IFS 125M User Manual Bruker Optik GmbH...
  • Page 7 Firmware update on CD ..................209 Firmware update via E-mail.................. 209 Performing firmware update ................. 210 Restoring a previous firmware version ..............212 Backing up the current firmware version .............. 213 Glossary .....................215 Addresses ....................221 Index ......................223 Bruker Optik GmbH IFS 125M User Manual...
  • Page 8 Table of Contents IFS 125M User Manual Bruker Optik GmbH...

  • Page 9: Introduction

    Introduction About this manual This manual is a complete documentation about the IFS 125M FT-IR spectrometer. Depending on the degree of hazard important safety information and safety instructions are classified as follows: DANGER ➣ Indicates a hazardous situation which, if not avoided, will result in death or serious (possibly irreversible) injury.

  • Page 10: Terms

    Introduction 1 Terms This manual uses both the term spectrometer or IFS 125M when the spectrometer is described. Safety Always observe the instructions described in this manual to ensure user safety and to avoid property damage. Keep this manual for further reference available at any time.
  • Page 11 For information on how to use, dilute and efficiently apply disinfectants, refer to the Laboratory Biosafety Manual: 1984 by WHO - World Health Organization. Table 1.2: Warning labels in case of hazardous sample material Bruker Optik GmbH IFS 125M User Manual...

  • Page 12: Waste Disposal

    Initial installation and all maintenance and repair work not described in this manual should only be performed by Bruker service personnel. Make sure that the spectrometer is only operated and maintained (i.e. only maintenance work that is described in this manual) by authorized operating personnel trained in the spectrometer operation and all relevant safety aspects.

  • Page 13: Intended Use

    Bruker engineer. In case of accessories or components made by other manufacturers and used in con- nection with the spectrometer, Bruker Optik GmbH does not assume any liability for safe operation and proper functioning.
  • Page 14 Introduction 1 IFS 125M User Manual Bruker Optik GmbH...

  • Page 15: General

    General The IFS 125M spectrometer is a mobile high resolution FT-IR spectrometer and has been designed to perform field operation and precise stratospheric analysis, generate atmospheric emission studies, and remotely monitor atmospheric pollutants. Atmospheric pollution can be measured in transmittance, using the sun as active IR radiation source.

  • Page 16: Data Acquisition

    Therefore, the dual channel data acquisition technique in connection with a dichroic beamsplitter allows par- allel data acquisition with two dedicated and optimized detectors in one or two different spectral ranges. IFS 125M User Manual Bruker Optik GmbH...

  • Page 17: Installation

    Installation Unpacking and initial installation of the spectrometer is done by Bruker service engi- neers. The operating company has to provide an installation site that meets the site requirements described in this chapter. Delivery contents The IFS 125M spectrometer allows upgrading with additional components and/or acces- sories.

  • Page 18: Packaging

    • Use lines which are separated from those which are connected to machines (e.g. elevators, large electric motors, etc.) with large electrical surges or bursts. Table 3.2: Site requirements IFS 125M User Manual Bruker Optik GmbH...
  • Page 19 LPT1 (parallel), these accessories must comply with the requirements outlined in EN 61010 or EN 60950. This means that you always have to connect a SELV circuit (Safety Extra Low Voltage Circuit) to a corresponding SELV circuit and not to any other circuit type. Bruker Optik GmbH IFS 125M User Manual...

  • Page 20: Connection Ports

    Figure 3.1: Connection ports on electronics unit Definition CAN bus connector Main power switch Low-voltage sockets (both ports are con- nected via a y-cable) Ethernet port Table 3.3: Connection port definition on electronics unit IFS 125M User Manual Bruker Optik GmbH...
  • Page 21 Definition Light switch board port (LSB) Solar tracker port (not used) CAN bus connector (all equivalent) Outer motor port (OMOT) Digital detector connection port (DDC) Table 3.4: Connection port definition of electronics boxes Bruker Optik GmbH IFS 125M User Manual...

  • Page 22: Connecting Procedures

    Table 3.5: Connecting cables to the mobile electronics unit a. All DDC receptacles are equivalent, no specific order has to be observed. b. All CAN receptacles are equivalent, no specific order has to be observed. IFS 125M User Manual Bruker Optik GmbH...

  • Page 23: Overview On Cables Connected

    Installation 3 3.6.2 Overview on cables connected Figure 3.3: Overview on cables connected Bruker Optik GmbH IFS 125M User Manual...

  • Page 24: Connecting Spectrometer To Power Supply

    Operate the external power supply unit only in a dry environment. • Make sure that the external power supply unit is not exposed to direct sunlight. Avoid temperatures above +50°C. Ensure that there is sufficient air circulation. IFS 125M User Manual Bruker Optik GmbH...

  • Page 25: Connecting Spectrometer To A Pc

    3.7.1.1 IP address The spectrometer IP address has been set to 10.10.0.1 by Bruker. If the delivery content of your spectrometer configuration does not include a Bruker PC, you have to assign an appropriate IP address to the type of PC to be used. For detailed information on how to assign an IP address refer to chapter 9.3.

  • Page 26: Connecting Accessories Via Can Bus

    The supplied gas must be dry and oil-free (see chapter 5.11 for details). • Control the purge gas flow by the purge gas controller (B). Table 3.8: Connecting spectrometer to purge gas supply line IFS 125M User Manual Bruker Optik GmbH...

  • Page 27: Inserting Beamsplitter

    Do not expose the beamsplitter (especially beamsplitters made of KBr) to large temperature changes. In particular, a cold KBr beamsplitter must not be exposed to a warmer ambience, as this will lead to condensation of humidity. Bruker Optik GmbH IFS 125M User Manual...

  • Page 28: Inserting Procedure

    Carefully lift off the lid. CAUTION Open lid: Risk of exposure to laser light, which can cause permanent eye damage. ➣ Do not stare into the laser beam. Table 3.9: Inserting beamsplitter IFS 125M User Manual Bruker Optik GmbH...
  • Page 29 5.6. • If you use VIS and UV beamsplitters, the interferometer has to be realigned by the OPUS Auto Align function (see chapter 5.8.2). Table 3.9: Inserting beamsplitter Bruker Optik GmbH IFS 125M User Manual...
  • Page 30 Installation 3 IFS 125M User Manual Bruker Optik GmbH...

  • Page 31: Description

    Left electronics box Beamsplitter lid Detector hoods Right electronics box Scanner compartment Table 4.1: Spectrometer front side a. Can be used to observe the image of the external source, e.g. the sun, on the aperture. Bruker Optik GmbH IFS 125M User Manual...

  • Page 32: Spectrometer Rear Side

    Source (for calibration purpose) Standard input port for collimated beam Table 4.2: Spectrometer rear side a. Can be used to observe the image of the external source, e.g. the sun, on the aperture. IFS 125M User Manual Bruker Optik GmbH...

  • Page 33: Sample Compartment

    The interferometer has a 30° angle of incidence. This narrow angle of incidence makes more effective use of the beamsplitter and reduces polarization effects. How to change the beamsplitter is described in chapter 5.8. Bruker Optik GmbH IFS 125M User Manual...

  • Page 34: Beamsplitter Types

    VIS + UV, 45,000 - 20,000 T601/2 ings Table 4.3: Beamsplitter types a. The combination of light source, beamsplitter and detector defines the measurement range. It is lim- ited by the component with the most narrow range. IFS 125M User Manual Bruker Optik GmbH...

  • Page 35: Detector Hoods

    All detectors are mounted on dovetail slides which allow an easy interchange. 4.5.1 Detector types The following table contains the most important types of detectors to be used with the spectrometer. For further detector options contact Bruker. Description Part number Spectral region...
  • Page 36 30,000 - 9,000 D510/2 Table 4.4: Detector types a. The combination of light source, beamsplitter and detector defines the measurement range. It is lim- ited by the component with the most narrow range. IFS 125M User Manual Bruker Optik GmbH...

  • Page 37: Scanner Compartment

    The scanner movement is controlled by the HeNe laser signal. To avoid any malfunc- tions with regard to mechanical scanner movements make sure that the bearings are always free of any visible deposits. Bruker Optik GmbH IFS 125M User Manual...

  • Page 38: Input Ports

    NOTE Clear port aperture of port opening >4 cm: No shield safety according to EMC requirements. ➣ Accessory connected must ensure complete EMC shielding. a. EMC: Electromagnetic Compatibility IFS 125M User Manual Bruker Optik GmbH...

  • Page 39: Output Port

    Description 4 Output port Figure 4.8: Output port The output port is located on the right side of the spectrometer. Bruker Optik GmbH IFS 125M User Manual...

  • Page 40: Mobile Electronics Unit

    The following table contains the different types of panels. A detailed description of the single panels is given in chapter 10. Panel type Location on front side of the electronics unit Flange panel Table 4.5: Panel types IFS 125M User Manual Bruker Optik GmbH...
  • Page 41 Description 4 Panel type Location on front side of the electronics unit Electronics panel Power supply panel Laser panel Table 4.5: Panel types Bruker Optik GmbH IFS 125M User Manual...

  • Page 42: Optical Path

    Description 4 4.10 Optical path Figure 4.10: IFS 125M - Optical path In standard operation, the parallel input beam is focused by an off-axis-paraboloidal (OAP) mirror onto computer-controlled filter and aperture wheels. After passing the field stop, the input beam is re-collimated onto the beamsplitter.

  • Page 43: Operation

    Operation If the IFS 125M spectrometer has been configured and connected to the PC, you can start acquiring data. The spectrometer is completely software controlled , i.e. the optical components (e.g. detector) are selected and controlled by using the OPUS software. For details about the software and how to perform a data acquisition refer to the OPUS Ref- erence Manual.

  • Page 44: Switching Spectrometer On And Off

    Turn the main power switch in the OFF position. Table 5.1: Operating status After powering up the spectrometer, wait at least 30 minutes before running any measurements. This allows the electronics and the laser to stabilize. IFS 125M User Manual Bruker Optik GmbH...

  • Page 45: Spectrometer Operating Phase

    For information on how to install the computer and how to set up signal and power cable connections for the computer, monitor etc. refer to the computer manual. Table 5.2: Spectrometer operating phase Bruker Optik GmbH IFS 125M User Manual...

  • Page 46: Starting Spectroscopy Software

    If the status light remains gray, see chapter 7.7. The settings saved remain, unless the IP address of the optics has been changed, or a different spectrometer type is to be accessed. IFS 125M User Manual Bruker Optik GmbH...

  • Page 47: Inserting Accessory Into Sample Compartment

    • Turn the 2 retaining clips by 90° to fix the cell. • Put on the sample compartment lid again. • Use the cross-head screwdriver. Push the screws downwards and rotate them clock- wise. Table 5.3: Inserting accessory into the sample compartment Bruker Optik GmbH IFS 125M User Manual...

  • Page 48: Checking The Signal

    On the OPUS Measure menu, select the Advance Measurement command. Select appropriate measurement parameters. Click the Check Signal tab. Activate the Interferogram option button. Figure 5.1: OPUS - Check Signal tab IFS 125M User Manual Bruker Optik GmbH...
  • Page 49 1. The supplied test protocol documents the result of a factory-performed test. The test has been performed with the spectrometer being optimally adjusted. You will find the test protocol in the blue folder supplied with the spectrometer. Bruker Optik GmbH IFS 125M User Manual...

  • Page 50: Performing Measurement

    2. RSC: Reference Single Channel, name of the data block added to the OPUS spectrum file 3. Due to the nature of FT spectroscopy, absorbance values >=2 are unreliable and should not be included in any analysis. IFS 125M User Manual Bruker Optik GmbH...

  • Page 51: Measuring Procedure

    Position the sample (if applicable). Start sample measurement. ☞ On the Basic tab, click the Sample Single Channel button. Detailed information on data acquisition and evaluation are described in the OPUS Ref- erence Manual. Bruker Optik GmbH IFS 125M User Manual...

  • Page 52: Changing Beamsplitter

    Do not expose the beamsplitter (especially beamsplitters made of KBr) to large temperature changes. In particular, a cold KBr beamsplitter must not be exposed to a warmer ambience, as this will lead to condensation of humidity. IFS 125M User Manual Bruker Optik GmbH...

  • Page 53: Changing Procedure

    Carefully lift off the lid. CAUTION Open lid: Risk of exposure to laser light, which can cause permanent eye damage. ➣ Do not stare into the laser beam. Table 5.5: Changing beamsplitter Bruker Optik GmbH IFS 125M User Manual...
  • Page 54 1.85 mm. Make sure that the detector is not overloaded. ➣ Never use the Auto Align function when no (or only a very small) interferogram is displayed or when working at low wavenumbers. This may lead to severe mis- alignment. IFS 125M User Manual Bruker Optik GmbH...

  • Page 55: Cooling Detector

    Can cause frostbites, damage to eye tissue, and asphyxiation. ➣ Avoid any skin contact. ➣ Always wear face shields or safety goggles. ➣ Use liquid nitrogen only in well-ventilated rooms. ➣ Observe the safety instructions described in chapter 5.9.1. Bruker Optik GmbH IFS 125M User Manual...

  • Page 56: Safety Instructions When Working With Liquid Nitrogen

    • Use only safety goggles with side shields. Table 5.7: Safety instructions on liquid nitrogen IFS 125M User Manual Bruker Optik GmbH...

  • Page 57: Cooling Procedure

    • Wait about 15 minutes before starting the measurement to allow the detec- tor to stabilize. • Check whether a signal is detected and the optics works properly. More details are described in chapter 5.6. Table 5.8: Cooling detector Bruker Optik GmbH IFS 125M User Manual...

  • Page 58: Changing Detector

    • Carefully lift off the cover from the scanning arm. NOTE Cover not lift off properly. Risk of scanner damage. ➣ Lift off the cover straight and far upwards. Table 5.9: Changing detector - Removing covers IFS 125M User Manual Bruker Optik GmbH...
  • Page 59 Completely remove the trough out of the sam- ple compartment. Repeat step 1 to remove the cover of the detector and interferometer block. Table 5.9: Changing detector - Removing covers Bruker Optik GmbH IFS 125M User Manual...
  • Page 60 • Carefully lift off the cover from the detector and interferometer block. NOTE Cover not lift off properly. Risk of detector, scanner or mirror damage. ➣ Lift off the cover straight and far upwards. Table 5.9: Changing detector - Removing covers IFS 125M User Manual Bruker Optik GmbH...
  • Page 61 • Push the detector downwards until it locks into place. The electrical connections are established automatically if the detector has been completely pressed down. Table 5.10: Changing detector - Removing detector and inserting new one Bruker Optik GmbH IFS 125M User Manual...
  • Page 62 The detector signal may be optimized by slightly adjusting the last parabolic mirror in front of the detector. Table 5.10: Changing detector - Removing detector and inserting new one 1. If applicable, the detector has to be cooled first. IFS 125M User Manual Bruker Optik GmbH...
  • Page 63 • Put your hands below the hangers. NOTE Cover not put down properly. Risk of scanner damage. ➣ Put down the cover straight and far downwards. Table 5.11: Changing detector - Remounting covers Bruker Optik GmbH IFS 125M User Manual...
  • Page 64 Operation 5 Close the clips on each side. Table 5.11: Changing detector - Remounting covers IFS 125M User Manual Bruker Optik GmbH...

  • Page 65: Purging The Spectrometer

    Table 5.12: Purging features WARNING Not using adequate gases for purging: Some spectrometer components become hot during operation. Risk of fire and/or explosion. ➣ Never use flammable gases for purging. Bruker Optik GmbH IFS 125M User Manual...
  • Page 66 Operation 5 IFS 125M User Manual Bruker Optik GmbH...

  • Page 67: Maintenance

    Maintenance The IFS 125M spectrometer is a low-maintenance instrument, i.e. the operator can replace components with a limited service life without requiring the assistance of the Bruker service personnel. The following maintenance procedures are described in this chapter: • Checking laser signal •...

  • Page 68: Electrostatic Discharge

    Any signal above or below will be distorted or clipped, leading to wrong detection of the laser zero crossings. When severely clipped, two or more zero crossings may be detected and scanning becomes impossible. IFS 125M User Manual Bruker Optik GmbH...

  • Page 69: Quick Check In Opus

    If the signal amplitude is too small and the low gain is in effect (amplifier off), write the high gain setting permanently into the beamsplitter (and vice versa). Table 6.1: Quick check in OPUS Bruker Optik GmbH IFS 125M User Manual...
  • Page 70 The fiber patch cable could be broken or misaligned. Contact Bruker service. Table 6.1: Quick check in OPUS...

  • Page 71: Signal Decrease Over Optical Path

    Connect the other end of the laser signal test cable to the oscillograph. • On the OPUS Measure menu, select the Optic Setup and Service com- mand. • Click the Control Panel tab Table 6.2: Signal decrease over optical path Bruker Optik GmbH IFS 125M User Manual...
  • Page 72 Firmware version June 2012 or later display the laser signal amplitudes (see chapter 6.2.2, step 1) in all adjust modes, too. Therefore, connecting an oscillograph is not mandatory. b. Alternatively, you can access the spectrometer by the WEB interface. Details are described in chapter 8.3.5. IFS 125M User Manual Bruker Optik GmbH...

  • Page 73: Readjusting Laser

    Unscrew the Teflon-made counter nuts from the 2 detector hoods. The Teflon-made counter nuts are only available if you use a liquid nitrogen- cooled detector. Table 6.3: Readjusting laser - Removing covers Bruker Optik GmbH IFS 125M User Manual...
  • Page 74 ➣ Lift off the cover straight and far upwards. CAUTION Open lid: Risk of exposure to laser light, which can cause permanent eye damage. ➣ Do not stare into the laser beam. Table 6.3: Readjusting laser - Removing covers IFS 125M User Manual Bruker Optik GmbH...
  • Page 75 • Adjust in the way that both laser signals are at a maximum. • Fix the central locking screw just finger tight. Make sure that both laser signals remain at their maximum. Table 6.4: Readjusting laser - Connecting oscillograph to spectrometer Bruker Optik GmbH IFS 125M User Manual...

  • Page 76: Phase

    Figure 6.2a: Adjustment screws of the laser deflection unit There is no way to adjust the phase, i.e. if the phase is out of specification, the particular beamsplitter has to be replaced (chapter 5.8). IFS 125M User Manual Bruker Optik GmbH...

  • Page 77: Remounting Covers

    • Insert the Teflon-made counter nuts (A). The Teflon-made counter nuts are only available if you use a liquid nitrogen- cooled detector. • Put on the protective caps (B). Table 6.5: Adjusting laser - Remounting covers Bruker Optik GmbH IFS 125M User Manual...
  • Page 78 Table 6.5: Adjusting laser - Remounting covers a. If the pretension of any clip is too high or too low, it can be adjusted by turning the metallic screw nut with a pipe wrench in the appropriate direction. IFS 125M User Manual Bruker Optik GmbH...

  • Page 79: Replacing Source

    The spectrometer can be equipped with the following source types: Source type Estimated lifetime Part number (hours) MIR source, globar, 12V 9000 Q328/7 NIR/VIS source, tungsten, 12V 9000 Q428/7 Blackbody source, emitting area: S310 100mm x 100mm Table 6.7: Source types Bruker Optik GmbH IFS 125M User Manual...

  • Page 80: Handling Instructions For Tungsten Source

    NIR/VIS source operated out of the spectrometer: Risk of UV radiation. ➣ Do not operate the NIR/VIS source out of the spectrometer. ➣ Operate according to the safety instructions to avoid risk of UV radiation. IFS 125M User Manual Bruker Optik GmbH...

  • Page 81: Replacing Procedure

    • While pressing the source downwards, rotate the clamping bar over the source. • Tighten the knurled thumb screw of the clamping bar (about one turn). • Mount the source housing. • Fasten the knob clockwise. Table 6.8: Replacing source Bruker Optik GmbH IFS 125M User Manual...

  • Page 82: Replacing Window

    Serious health problems or even death. ➣ Never clean the windows. ➣ Observe the safety instructions. Window material used: • MIR: KBr • NIR/VIS/UV: Quartz or CaF Table 6.9: Window features IFS 125M User Manual Bruker Optik GmbH...

  • Page 83: Window Material

    Maintenance 6 6.4.1 Window material The following table contains the most important window material which can be used in connection with the spectrometer. For further possible window material, contact Bruker service. Window material Properties Part number Barium fluoride (BaF 49.5 mm diameter...
  • Page 84 45 x 3 mm, wedge 6 mrad F162-11 CAUTION Toxic ➣ Observe safety data sheet. Zinc selenide (ZnSe) 49.5 mm diameter F131-11 CAUTION Toxic ➣ Observe safety data sheet. Table 6.10: Window material IFS 125M User Manual Bruker Optik GmbH...

  • Page 85: Replacing Procedure

    Figure 6.3 exemplifies the assembly of a quartz window which consists of the following components: Figure 6.3: Window assembly Definition Window flange O-ring for the window flange (A) Table 6.12: Parts of window assembly Bruker Optik GmbH IFS 125M User Manual...
  • Page 86 Use a hexagon socket setscrew (2 mm) to gradually tighten the screws one after the other. CAUTION Damaged window: Risk of breaking. ➣ Never insert a window which shows signs of damage. ➣ Never insert a window thinner than specified. IFS 125M User Manual Bruker Optik GmbH...

  • Page 87: Evacuating Detector

    • Turbo molecular pump/oil-free high-vac- uum pump • Vacuum adapter More details are described in chapter 6.5.1. Table 6.13: Detector features a. The hold time indicates how long the cooling effect of the liquid nitrogen lasts. Bruker Optik GmbH IFS 125M User Manual...

  • Page 88: Evacuating Tools Required

    Table 6.14: Evacuation tools The evacuating equipment is not included in the delivery scope of the MCT detector. Bruker offers evacuation equipment, and the service of evacuating (Part No: SD128). In the latter you have to send the MCT detector to Bruker.

  • Page 89: Evacuating Procedure

    (maximum 60°C). Evacuating the dewar takes several hours. Therefore, it is recommended to evacuate the dewar over night. The final pressure in the dewar has to be less than 10 hPa. Bruker Optik GmbH IFS 125M User Manual...
  • Page 90 3 rotations are sufficient. Do not tighten the union nut completely as this would prevent it from being unscrewed later. • Evacuate the vacuum adapter by using the vacuum pump. Table 6.16: Evacuating detector IFS 125M User Manual Bruker Optik GmbH...
  • Page 91 • Reinstall the MCT detector into the spec- trometer (chapter 5.10) Check whether a signal is detected and the optics works properly. More details are described in chapter 5.6. Table 6.16: Evacuating detector Bruker Optik GmbH IFS 125M User Manual...

  • Page 92: Checking Drive Cable

    Especially, when installing a new cable it is recommended to check the cable ten- sion periodically to avoid slipping. Figure 6.5: Scanner drive cable unit Definition Capstan Counter screw Thumb screw Table 6.17: Parts of scanner drive cable unit IFS 125M User Manual Bruker Optik GmbH...

  • Page 93: Checking Procedure

    ➣ Lift off the cover straight and far upwards. There must be no signs of cable slipping at the capstan when the scanner turns at high velocity in long scan mode. Table 6.18: Checking drive cable Bruker Optik GmbH IFS 125M User Manual...

  • Page 94: Adjusting Procedure

    • Fix the tension by the counter nut. • You may hold the screw in place by a sec- ond tool. second tool Remount the cover onto the scanning arm. Table 6.19: Adjusting drive cable IFS 125M User Manual Bruker Optik GmbH...

  • Page 95: Transporting Spectrometer

    • Carefully lift off the cover from the scanning arm. NOTE Cover not lift off properly. Risk of scanner damage. ➣ Lift off the cover straight and far upwards. Table 6.20: Transporting spectrometer - Removing cover from scanning arm Bruker Optik GmbH IFS 125M User Manual...
  • Page 96 Completely remove the trough out of the sam- ple compartment. Repeat step 1 to remove the cover of the detector and interferometer block. Table 6.20: Transporting spectrometer - Removing cover from scanning arm IFS 125M User Manual Bruker Optik GmbH...

  • Page 97: Moving And Fixing Scanner

    • Do not touch the scanner on the red-colored surfaces (top side or spring leaves). • Hold the scanner either at the side edges (see arrow), or at the back. Table 6.21: Transporting spectrometer - Moving and fixing scanner Bruker Optik GmbH IFS 125M User Manual...
  • Page 98 Pay attention, as the clamp touches the top side of the movable structure, but does not press it down! This avoids defor- mation of the spring leaves. Table 6.21: Transporting spectrometer - Moving and fixing scanner IFS 125M User Manual Bruker Optik GmbH...

  • Page 99: Removing Beamsplitter

    • Hold the beamsplitter - with two hands - on the knobs. • Carefully remove the beamsplitter straight upwards without catching an edge. Table 6.22: Transporting spectrometer - Removing beamsplitter The handling instructions are described in chapter 5.8.1. Bruker Optik GmbH IFS 125M User Manual...

  • Page 100: Removing Optical Fiber Cable

    ➣ Avoid any kind of force. Loosen the lock nut of the fiber cable fixture, located on laser panel of the mobile electron- ics unit. Table 6.23: Transporting spectrometer - Removing optical fiber cable IFS 125M User Manual Bruker Optik GmbH...
  • Page 101 ➣ Never pull the fiber cable as the fiber core may break easily. Put a protective cover over the ferrule at both fiber ends, and over the laser port. Table 6.23: Transporting spectrometer - Removing optical fiber cable Bruker Optik GmbH IFS 125M User Manual...
  • Page 102 • Completely pull out the fiber cable from the protective tube. Mind that the plug at the second end does not catch an edge. Avoid any kind of force. Table 6.23: Transporting spectrometer - Removing optical fiber cable IFS 125M User Manual Bruker Optik GmbH...

  • Page 103: Demounting Complete Scanning Arm

    To further support the scanning arm it is advis- able to push a piece of wood beneath the scanning arm, close to the detector and inter- ferometer block. Table 6.24: Transporting spectrometer - Demounting complete scanning arm Bruker Optik GmbH IFS 125M User Manual...
  • Page 104 Carefully pull out the scanner from the detec- tor and interferometer block. Use the large handles at the side of the scanning arm to apply an appropriate force. Table 6.24: Transporting spectrometer - Demounting complete scanning arm IFS 125M User Manual Bruker Optik GmbH...

  • Page 105: Fastening All Transport Locking Screws

    On each fixture unit, the transport locking screw is located within the area of the three adjusting screws. Figure 6.6 shows two examples of such transport locking screws. Figure 6.6: Hexagon transport locking screws Bruker Optik GmbH IFS 125M User Manual...

  • Page 106: Remounting Covers

    • Insert the Teflon-made counter nuts (A). The Teflon-made counter nuts are only available if you use a liquid nitrogen- cooled detector. • Put on the protective caps (B). Table 6.25: Transporting spectrometer - Remounting covers IFS 125M User Manual Bruker Optik GmbH...
  • Page 107 Table 6.25: Transporting spectrometer - Remounting covers a. If the pretension of any clip is too high or too low, it can be adjusted by turning the metallic screw nut with a pipe wrench in the appropriate direction. Bruker Optik GmbH IFS 125M User Manual...

  • Page 108: Detaching All Cables

    Maintenance 6 6.7.8 Detaching all cables From mobile electronics unit Figure 6.7: Mobile electronics unit From left and right electronics box Figure 6.8: Left and right electronics box IFS 125M User Manual Bruker Optik GmbH...

  • Page 109: Re-Installation After Transport Of Spectrometer

    Unscrew the Teflon-made counter nuts from the 2 detector hoods. The Teflon-made counter nuts are only available if you use a liquid nitrogen- cooled detector. Table 6.26: Re-installation after transport of spectrometer - Removing covers Bruker Optik GmbH IFS 125M User Manual...
  • Page 110 • Carefully lift off the cover from the detector and interferometer block. NOTE Cover not lift off properly. Risk of detector damage. ➣ Lift off the cover straight and far upwards. Table 6.26: Re-installation after transport of spectrometer - Removing covers IFS 125M User Manual Bruker Optik GmbH...

  • Page 111: Remounting Complete Scanning Arm

    ➣ Always grease the fixing screws when remounted again. • Detach the clamp (chapter 6.7.2) from the scanner. • Loosen the fixing screw of the scanner. Table 6.27: Transporting spectrometer - Remounting complete scanning arm Bruker Optik GmbH IFS 125M User Manual...

  • Page 112: Re-Inserting Optical Fiber Cable

    • Put the fiber cable into the laser fixture. Insert the other end of the optical fiber cable into an appropriate groove on the optics con- sole. Fasten the lock nut. Table 6.28: Transporting spectrometer - Re-inserting optical fiber cable IFS 125M User Manual Bruker Optik GmbH...
  • Page 113 ➣ Avoid any kind of force. ➣ Never pull the fiber cable as the fiber core may break easily. Carefully move the cover towards the laser panel. Table 6.28: Transporting spectrometer - Re-inserting optical fiber cable Bruker Optik GmbH IFS 125M User Manual...

  • Page 114: Connecting Cables

    Switch on the main power supply. Then, proceed as described in chapter 6.2. If the two laser signal amplitudes are significantly lower than before, the fiber-coupling head should be re-adjusted (see chapter 6.9). IFS 125M User Manual Bruker Optik GmbH...

  • Page 115: Checking Optical Alignment

    The aim of the alignment is to have the back-reflected laser spot passing through the center of the smallest aperture. This ensures that the aper- ture is exactly on the optical axis of the interferometer. Table 6.29: Transporting spectrometer - Checking optical alignment Bruker Optik GmbH IFS 125M User Manual...
  • Page 116 Leave the screw in the middle of these two angular positions. ➣ Proceed with the second screw. Table 6.29: Transporting spectrometer - Checking optical alignment IFS 125M User Manual Bruker Optik GmbH...
  • Page 117 Difference: the direct input port is still open. • Cover the open port by a paper or any other material. • Perform a measurement (chapter 5.7) with a reference gas cell. Table 6.29: Transporting spectrometer - Checking optical alignment Bruker Optik GmbH IFS 125M User Manual...

  • Page 118: Remounting Covers

    • Insert the trough into of the sample compart- ment. • Use a flat-tip screwdriver to fasten the two knurled thumb screws, located on the bot- tom of the trough. Table 6.30: Transporting spectrometer - Remounting covers IFS 125M User Manual Bruker Optik GmbH...
  • Page 119 Table 6.30: Transporting spectrometer - Remounting covers a. If the pretension of any clip is too high or too low, it can be adjusted by turning the metallic screw nut with a pipe wrench in the appropriate direction. Bruker Optik GmbH IFS 125M User Manual...

  • Page 120: Re-Adjusting Fiber-Coupling Head

    Si-diode, which is placed directly in front of the receptacle. Mount the fiber alignment tool, and observe the diffraction pattern on a paper screen posi- tioned in a distance of 30 cm. Table 6.31: Readjusting fiber-coupling head IFS 125M User Manual Bruker Optik GmbH...
  • Page 121 If required, re-adjust the pre-load by the screw (2) located diagonally opposite. • Repeat the x-y and tilt adjustments successively until you achieve a power , which is at least 65% of P Table 6.31: Readjusting fiber-coupling head Bruker Optik GmbH IFS 125M User Manual...

  • Page 122: Cleaning Housing

    6.10 Cleaning housing The outer spectrometer surface can be cleaned only by using a dry or damp cloth. Do not use detergents with organic solvents, acid or base! IFS 125M User Manual Bruker Optik GmbH...

  • Page 123: Troubleshooting

    Spectrometer problems indicated by file parameters in OPUS • Spectrometer problems indicated by diagnostics LEDs If the solutions listed below do not solve the problem, contact Bruker service (chapter 1.5). General information on fault diagnostics A problem caused by a spectrometer component, that is either defective or not properly installed or not in operating condition, becomes apparent in several different ways.

  • Page 124: Remote Fault Diagnostics Via Full Report

    Sending full report if your spectrometer is connected to a network/network computer With OPUS version 6 or higher, it is possible to send the full report to Bruker via e-mail. Proceed as follows: Click the OPUS status light (chapter 7.2). The Instrument Status dialog opens.

  • Page 125: Status Light In The Opus Spectroscopy Software

    Measuring is still possible. Red: error (e.g. detector not cooled, spectrometer malfunction, defective spectrometer component, instrument test failed etc.) Measuring is not possible. Table 7.1: OPUS status light Bruker Optik GmbH IFS 125M User Manual...

  • Page 126: Instrument Status Dialog In Opus

    • source lifetime nearly reached (measuring is still possible) • source warms up (measuring not possible) Error (red): Component is defective (measuring not possi- ble) Table 7.2: Hardware status B) Option to send the instrument status report to Bruker. IFS 125M User Manual Bruker Optik GmbH...

  • Page 127: Spectrometer Problems Indicated By Diagnostics Pages Of Hardware Components

    You can send the diagnostics pages of all hardware spectrometer components as full report to Bruker service for remote fault diagnostics. Use the following e-mail address: info@brukeroptics.com For more details on the diagnostics pages refer to chapter 8.3.2 et seq.

  • Page 128: Spectrometer Problems Indicated By An Error Message In Opus

    Further messages may be displayed. As they do not represent a spectrometer problem you can ignore them. If an error message ...contact Bruker service. appears which is not listed above,..Table 7.3: Error messages in OPUS IFS 125M User Manual Bruker Optik GmbH...

  • Page 129: Spectrometer Problems Indicated By File Parameters In Opus

    OPUS. Data has been lost and the resulting file is corrupt. This can be either due to an unreliable network connection, or to a too high a data rate. In the latter case, the scanner velocity should be reduced. Bruker Optik GmbH IFS 125M User Manual...

  • Page 130: No Interferogram Observable In Check Signal Mode

    ☞ If the true peak position is too far away from the saved peak position, determine the true position from a Sample Single Channel mea- surement as explained in chapter 8.3.3, Spe- cial commands A and B. Table 7.4: No interferogram observable IFS 125M User Manual Bruker Optik GmbH...
  • Page 131 Bruker service. there is a spectrometer error, • In case of a defective laser, a warning pops up in e.g. strong mechanical OPUS. Replace the laser unit. Contact Bruker shocks have caused a tempo- service. rary or permanent optics mis- •...
  • Page 132 Data acquisition can be tested independent of any detector signal by sending the direct command: TRW=1. In that case a triangular wave signal is recorded instead of the digi- tized detector signal. To return to normal operation, send the direct command: TRW=0. IFS 125M User Manual Bruker Optik GmbH...

  • Page 133: Spectrometer Problems Indicated By Diagnostics Leds

    Voltage not available Carefully check whether the proper voltage is sup- plied at the outlet which the spectrometer is con- nected to. Table 7.6: All voltage status LEDs off Bruker Optik GmbH IFS 125M User Manual...
  • Page 134 Contact Bruker service. Defective power supply The power supply unit has to be replaced. If the LEDs are off, contact Bruker service (chapter 1.5). Table 7.6: All voltage status LEDs off 7.6.1.2 One voltage status LED off The green LEDs (chapter 4.9.1) controlling power supply are located on the mobile elec-...

  • Page 135: Err And Sr Leds

    Contact Bruker service. blocked, the laser unit may not be installed correctly or the laser may be defective. Strong mechanical shocks Contact Bruker service. have caused a permanent optics misalignment. Table 7.9: Red ERR LED Bruker Optik GmbH IFS 125M User Manual...
  • Page 136 • Check the spectrometer log buffer for possible causes (chapter 8.3.3). • In rare cases it may be required to switch off the spectrometer. Wait 30 seconds before switching it on again. Table 7.10: SR LED permanently on IFS 125M User Manual Bruker Optik GmbH...

  • Page 137: No Data Transfer Between Spectrometer And Pc

    Check main power supply. The voltage status LEDs +5V, +12V and -12V, which are located on the mobile electronic unit, must be green when the spectrometer is switched on. Table 7.11: RX LED permanently off Bruker Optik GmbH IFS 125M User Manual...

  • Page 138: Green Rx Led On While Trying To Establish A Connection, But The Yellow Tx Led Off

    Enter cmd and click OK. Enter route print and press the ENTER key. Enter ipconfig/all and press the ENTER key again. Take a screenshot of the dialog and submit it to your network administrator. IFS 125M User Manual Bruker Optik GmbH...

  • Page 139: Web Interface

    OPUS by a single click on a button (e.g. Reset instrument). To ensure network reliability use the stand-alone configuration (see chapter 9.2) or con- tact your network administrator to restrict the access rights within the network. Bruker Optik GmbH IFS 125M User Manual...

  • Page 140: User Authentication

    • Open Web browser. • Enter spectrometer IP address into the address entry field. • On configuration page, click Authenti- cation. • Enter user name and password. • Confirm password. Table 8.1: Activating user authentication IFS 125M User Manual Bruker Optik GmbH...
  • Page 141 • Click OK to confirm. The status line now reads: user "xxx" logged on. To have the user authentication become effective you have to log off. Click the Log off button. Table 8.1: Activating user authentication Bruker Optik GmbH IFS 125M User Manual...

  • Page 142: Deactivating User Authentication

    • On configuration page, click Authenti- cation. Click the Disable button. The status line now reads: User authentication disabled. Click the Back button to return to the configuration page again. Table 8.2: Deactivating user authentication IFS 125M User Manual Bruker Optik GmbH...

  • Page 143: Spectrometer Diagnostics

    Figure 8.2: IFS 125M spectrometer home page The spectrometer diagnostics pages are a useful and powerful fault diagnostics tool, especially the Direct Command Entry, Diagnostics and Service pages. Some of these pages (and their sub-pages, if available) are described in the following chapters.
  • Page 144 Measurement Status and Direct Command Entry pages. Clicking the Auto-Reload button automatically updates the page every second. Thus, you can follow the mes- sages almost in real time, without repeatedly clicking the Reload button of the web browser. IFS 125M User Manual Bruker Optik GmbH...

  • Page 145: Direct Command Entry

    If a command is to be executed immediately, add the &_SP=0 character string to the command (e.g. VEL=5000&_SP=0). Moreover, several commands can be grouped by linking them with the & character (e.g. VEL=5000&NSS=32&APT=4&_SP=0). Bruker Optik GmbH IFS 125M User Manual...
  • Page 146 As a result, the Values for... drop-down list including all possible values is displayed. Moreover, the error message Value not in device table will be displayed, which you can ignore. IFS 125M User Manual Bruker Optik GmbH...
  • Page 147 (e.g. instead of a detector which is not cooled down to oper- ating temperature, another detector has been selected). Table 8.5: Static error/warning messages Bruker Optik GmbH IFS 125M User Manual...
  • Page 148 To remove the message shown in figure 8.6, either send a direct command to bring the motorized unit in its default position or connect the respective motor first and then send the direct command CHN=1 once again. IFS 125M User Manual Bruker Optik GmbH...
  • Page 149 Messages page of the spectrometer home page (figure 8.2). Whereas, if the importance level is indicated by a lower case letter, this means that the message is displayed also in OPUS. Bruker Optik GmbH IFS 125M User Manual...

  • Page 150: Diagnostics

    More precisely, it indicates the functional state of the following components: • scanner • detector • HeNe laser • IR source • automation units • electronics 1. The Scanner and Interferometer terms are used synonymously. IFS 125M User Manual Bruker Optik GmbH...
  • Page 151 Current reading of the laser operating hour meter (only valid if the laser is supplied by the mobile electronics unit) Date when the laser was first put into operation Table 8.7: Components of laser diagnostics page Bruker Optik GmbH IFS 125M User Manual...
  • Page 152 Compare the total run time displayed with the spec- ified average service lifetime of the IR source. Date when the source was first put into operation Table 8.8: Components of source diagnostics page IFS 125M User Manual Bruker Optik GmbH...
  • Page 153 18°C and 35°C. Consequently, a scanner block temperature above 40°C indicates that the spectrometer is not operated within the specified temperature range. There is no humidity sensor inside the spectrom- eter. Bruker Optik GmbH IFS 125M User Manual...
  • Page 154 Figure 8.11: Electronics diagnostics page Definition Status message Parameters that define the readiness of the spectrome- ter for measurement Current state of readiness of the specific parameter Table 8.10: Components of electronics diagnostics page IFS 125M User Manual Bruker Optik GmbH...
  • Page 155 Ready: indicates that the respective component is in operating condition If a unit or a command has not been used since the last power up, the Ready field may be empty. • Error: indicates an error status of the component in question. Bruker Optik GmbH IFS 125M User Manual...
  • Page 156 All available detectors are listed in the full report. For each detector, fault-diagnostics relevant information is provided, e.g.: • Which detector is currently selected? • Is the detector cooled down to operating temperature? An operable detector is indicated by a READY preamp board status. IFS 125M User Manual Bruker Optik GmbH...
  • Page 157 For example, the CHN (= Measurement Channel) line displays all available options for this parameter. You will also find exactly these parameter options in the OPUS Measure- → ment dialog Measurement Channel drop-down list as OPUS reads the options avail- able from the optics. Bruker Optik GmbH IFS 125M User Manual...

  • Page 158: Service

    NOTE Unauthorized access to Service page: Wrong entries lead to spectrometer malfunction. ➣ The Service page shall be accessed by Bruker service or experienced users only. View instrument configuration The View Instrument Configuration page includes information about the embedded web server, the SCT16 board and the flange board.
  • Page 159 The file names are created automatically and each file name is unique until the number of performed measurements exceeds 100 mil- lion. In this case, the file number restarts from 0. Bruker Optik GmbH IFS 125M User Manual...
  • Page 160 LSR Laser ON/OFF: This command effects a HeNe laser switch-off and a laser error without opening the optics compartment. The corre- sponding error message is displayed in the Message group field. Table 8.13: Direct commands IFS 125M User Manual Bruker Optik GmbH...
  • Page 161 • Sending the ABP=-1 command restores the saved peak position. This command cancels the temporarily peak position that has been set by sending a negative value. For additional information see Additional information on ABP Absolute Peak Position. Table 8.13: Direct commands Bruker Optik GmbH IFS 125M User Manual...
  • Page 162 HeNe laser of 632.8 nm. The analog signal acquired by the detector is digitized using zero crossings of the HeNe signal, which ensure equidistant data points (Connes-Advantage of FT-IR spectroscopy). IFS 125M User Manual Bruker Optik GmbH...
  • Page 163 The information of the Check Detectors, Check HeNe Laser, Check Source, Check Scanner, Check Automations and Check Ready pages is identical to the information dis- played on the Diagnostics page of the spectrometer home page (figure 8.2). Bruker Optik GmbH IFS 125M User Manual...
  • Page 164 Any wrong entry leads to spectrometer malfunction! Do not change parameters, unless you are sure about the consequences! Clicking the Edit hardware configuration page opens the following page: Figure 8.16: Hardware configuration Click Edit Beamsplitter Eeprom to open the following page: IFS 125M User Manual Bruker Optik GmbH...

  • Page 165: Full Report

    This report provides all the necessary information about the instrument configuration and complete spectrometer status, and enables a Bruker service technician to perform a first remote fault diagnostics. This report also includes error messages, internal and external data transfer as well as values of all relevant parameters.
  • Page 166 • On the File menu of the Web browser click the Save as command. • Use the file extension *.htm. • Send original htm file to Bruker. Do not generate any screenshots or text files. Table 8.14: Generating full report Save the full report immediately after a problem or failure has occurred.
  • Page 167 • Additional parameters for Cmds • Auto Accessory Recognition • EWS.INI As the full report contains a lot of information, only the information relevant to fault diag- nostics are described in the following. Bruker Optik GmbH IFS 125M User Manual...
  • Page 168 Instrument Serial Number • Firmware Version Based on the instrument serial number you can request from Bruker the customer docu- ments to get the acceptance test spectra and detailed information about the specific spectrometer configuration. Comparing the spectra and/or the full report with the data of the final acceptance test may enable you to trace back the problem.

  • Page 169: Direct Control Panel

    In addition, the scanner mode can be controlled (chapter 8.3.3, ADM (Adjust Mode):). This page is mainly used for maintenance or troubleshooting, and updates itself in regu- lar intervals. Do not change the scanner mode during any measurement. Bruker Optik GmbH IFS 125M User Manual...
  • Page 170 Web Interface 8 IFS 125M User Manual Bruker Optik GmbH...

  • Page 171: Data Communication

    A straight-through data cable, category 5, with RJ45 plugs for the Ethernet standard 10/100Base-T is re- quired. The data cable length should not exceed 100m (without repeater). The figure below illustrates the RJ-45 Ethernet cable wiring for a straight-through and cross-over cable. Bruker Optik GmbH IFS 125M User Manual...

  • Page 172: Configuration Types

    9.1.2 Connecting spectrometer to a stand-alone PC (standard) Figure 9.2: Connecting spectrometer to stand-alone PC Connect one end of the supplied cross-over data cable to the ETH port on the spectrometer rear side. IFS 125M User Manual Bruker Optik GmbH...

  • Page 173: Connecting Spectrometer And Pc To A Network

    Connect the other end of the supplied cross-over data cable to the OPTIC CON- NECTOR on the rear PC side. If you have NOT purchased the computer with Bruker, you have to assign the IP address 10.10.0.2 to the computer to which you want to connect the spectrometer.
  • Page 174 If the average transfer rate is less than the required transfer rate, the buf- fer in the optics controller eventually overflows and the measurement is unus- able. • Possible access problems caused by other PCs which also try to access the spectrometer. IFS 125M User Manual Bruker Optik GmbH...

  • Page 175: Connecting Spectrometer To Network Pc

    Assign IP address to the PC (LAN network interface card). This IP address needs to be defined by the network administrator. If you have NOT purchased the PC with Bruker, you have to assign the IP address 10.10.0.2 to the network interface card of the PC to which you want to connect the spec- trometer.

  • Page 176: Network Addresses

    The spectrometer and the PC delivered by Bruker are configured for the stand-alone operation, i.e. the correct network addresses have already been assinged to the spec- trometer and PC. If you have not purchased the PC with Bruker, you have to assign the following network addresses to the PC. Spectrometer...

  • Page 177: Optional Configuration: Spectrometer Connected To Network Pc

    Gateway 0.0.0.0 0.0.0.0 assigned by network do not define when do not define when administrator using Windows XP using Windows XP Table 9.3: Network addresses when connecting spectrometer to network PC Bruker Optik GmbH IFS 125M User Manual...

  • Page 178: Assigning Network Addresses

    Start FCONF program. ☞ Double click the fconf.exe file in the OPUS base path. • Activate the Assign a new address to the spectrometer button. • Click the Next button. Table 9.4: Assigning network address IFS 125M User Manual Bruker Optik GmbH...
  • Page 179 PC. • Click the Next button. You are prompted by the program to set the spectrometer into BootP-mode. ☞ Follow the on-screen instructions. • Click the Next button. Table 9.4: Assigning network address Bruker Optik GmbH IFS 125M User Manual...

  • Page 180: Communication Between Spectrometer And Pc

    8.3.2). If the Internet Explorer shows a blank page and is not able to access the spectrometer spectrometer diagnostics page, check the IP address you have just assigned for correct spelling. If the problem still persists, refer to chapter 7 for troubleshooting. Close the internet explorer. IFS 125M User Manual Bruker Optik GmbH...

  • Page 181: 10 Connection Ports

    10 Connection Ports All connection ports are located on the mobile electronics unit. Figure 10.1: Mobile electronics unit Definition Flange panel Electronics panel Power supply panel Table 10.1: Components of mobile electronics unit Bruker Optik GmbH IFS 125M User Manual...

  • Page 182: Flange Panel

    There is no specific order to be observed when using the CAN bus connectors, i.e. they can always be inter- changed. PIPS port The PIPS port is not used with IFS 125M. Table 10.2: Ports on flange panel IFS 125M User Manual Bruker Optik GmbH...
  • Page 183 10 SCM- (Scanner Voice Coil) 11 DCANA 12 - 16 Spare Do not short-circuit any pins! RS232 port The R232 port is a spare serial interface port for future use. Table 10.2: Ports on flange panel Bruker Optik GmbH IFS 125M User Manual...
  • Page 184 ICON port The ICON port controls the source. FLAPS port The FLAPS port is not used with IFS 125M. DDC port 0/1/2/ The ports DDC 0 to 3 are versatile ports to connect exter- nal optical modules and detectors. These ports include a...

  • Page 185: Electronics Connections And Leds

    The electronics cable connections (e.g. Ethernet connection) and LEDs serve for the instrument diagnostics. Each LED indicates a specific operating status, e.g. interferome- ter mirror movement, data transfer etc. Figure 10.3: Ports on electronics panel Bruker Optik GmbH IFS 125M User Manual...
  • Page 186 HeNe laser, which is located on the laser panel. UIO port The user I/O port provides several timing-related TTL sig- nals (chapter 10.3). The UIO abbreviation means User Input/Output. Table 10.3: LEDs and cable connectors on electronics panel IFS 125M User Manual Bruker Optik GmbH...
  • Page 187 FWD LED. When data acquisition actually takes place the light intensity changes to bright green. The TKD abbreviation means Take Data. Table 10.3: LEDs and cable connectors on electronics panel Bruker Optik GmbH IFS 125M User Manual...
  • Page 188 It includes a complete CAN-Bus, transmits all required remote trigger signals and estab- lishes a complete connection to DDC (Digital Detector Connection) compatible detectors. Table 10.3: LEDs and cable connectors on electronics panel IFS 125M User Manual Bruker Optik GmbH...
  • Page 189 Ethernet connection. IP address This label shows the IP address of the spectrometer. Keep it always up to date, especially when changing the IP address. Table 10.3: LEDs and cable connectors on electronics panel Bruker Optik GmbH IFS 125M User Manual...
  • Page 190 IP address. For details on how to assign IP addresses, refer to chapter 9.3. Table 10.3: LEDs and cable connectors on electronics panel a. Do not use for IFS 125M. IFS 125M User Manual Bruker Optik GmbH...

  • Page 191: User Input/Output Signals (Uio Signals)

    XAOUT pulses are used for data acquisition. TKDAM is also active if no data are acquired, it just marks the scanner to be in the proper position. Bruker Optik GmbH IFS 125M User Manual...

  • Page 192: Timing

    • Magenta: TKDAM (Take data) • Green: XAOUT (Sampling points) • Blue: UDQENA (Data acquisition enable) • Olive: FWD (Forward) Timing detail of data acquisition in forward mode, when TKDAM becomes active Table 10.5: UIO signals IFS 125M User Manual Bruker Optik GmbH...
  • Page 193 • Blue: UDQENA (Data acquisition enable) • Olive: FWD (Forward) The UDQENA signal is high (inactive) all the time. Idle mode (scanner is moving, but no data acqui- sition takes place) Table 10.5: UIO signals Bruker Optik GmbH IFS 125M User Manual...

  • Page 194: Power Supply Panel

    These LEDs indicate the status of the secondary voltages +5V, +12V, - of the power supply unit. Any dark voltage LED indicates a major problem with the spectrometer electronics. Table 10.6: Ports and LEDs of power supply panel IFS 125M User Manual Bruker Optik GmbH...
  • Page 195 Primary power The low-voltage socket is used to connect the low-voltage receptacle cable of the power supply unit to the mobile electronics unit. Table 10.6: Ports and LEDs of power supply panel Bruker Optik GmbH IFS 125M User Manual...
  • Page 196 Connection Ports 10 IFS 125M User Manual Bruker Optik GmbH...

  • Page 197: A Specifications

    • Complies with EN 60825-1/10.2003 (Safety requirements for laser equipment) EMI regulations met Complies with EN/IEC 61326/05.2004 (Electrical equipment for measurement, control and labora- tory use - EMC requirements) Table A.1: IFS 125M specifications Bruker Optik GmbH IFS 125M User Manual...
  • Page 198 Field stop Jacquinot stop with 10 positions ranging from 0.3 to 3.5 mm Aperture ratio f/3.5 Sample compartment For calibration purposes: a 10 cm gas cell can be mounted Table A.1: IFS 125M specifications IFS 125M User Manual Bruker Optik GmbH...
  • Page 199 5 gain levels A/D converter 24 bit Delta-Sigma ADC Interface to host computer Ethernet connection 100Base-T with TCP/IP Laser IFS 125M is a CLASS 2 LASER PRODUCT Options Dual-channel acquisition Simultaneous data acquisition from 2 detectors or from a 2-color detector Accessory...

  • Page 200: Additional Information To The Resolution Specifications

    The specifications as defined in the acceptance test form will be verified in connection with the indicated measurement parameters and components. These components (like gas cells and optical filters) are not part of the instrument and can be rented during the installation or ordered separately. IFS 125M User Manual Bruker Optik GmbH...

  • Page 201: Spare Parts

    MIR source, globar, 12 V Q428/7 NIR/VIS source, tungsten, 12 V 1004170 Drive cable, scanner 0.0035 cm 1004172 Drive cable, scanner 0.008 cm 1015940 Fiber, PM single mode, 3 m length Table B.1: Spare parts Bruker Optik GmbH IFS 125M User Manual...
  • Page 202 Spare Parts B IFS 125M User Manual Bruker Optik GmbH...

  • Page 203: C Default Parameter Settings

    Aperture Setting 1.1 mm Detector Setting LN-MCT [Internal Pos. 1] Scanner Velocity 40 kHz Sample/Background Signal Gain Delay after Device Change 0 sec Delay before Measurement 0 sec Table C.1: Default parameter settings Bruker Optik GmbH IFS 125M User Manual...
  • Page 204 Open Low Pass Filter 40 kHz Acquisition Mode Single Sided, Forward/Backward Correlation Mode FT parameters Settings Phase Resolution Phase Correction Mode Mertz Apodization Function Blackman-Harris 3-Term Zerofilling Factor Table C.1: Default parameter settings IFS 125M User Manual Bruker Optik GmbH...

  • Page 205: D Dimensional Drawings

    Dimensional Drawings Figure D.1: IFS 125M - Isometric view, short version Figure D.2: IFS 125M - Isometric view, long version Bruker Optik GmbH IFS 125M User Manual...
  • Page 206 Dimensional Drawings D Figure D.3: IFS 125M - Front view Figure D.4: IFS 125M - Left side view, short version Figure D.5: IFS 125M - Left side view, long version IFS 125M User Manual Bruker Optik GmbH...
  • Page 207 Dimensional Drawings D 1368 1435 Figure D.6: IFS 125M - Top view, short version 2088 2155 Figure D.7: IFS 125M - Top view, long version Bruker Optik GmbH IFS 125M User Manual...
  • Page 208 Dimensional Drawings D IFS 125M User Manual Bruker Optik GmbH...

  • Page 209: Firmware Update

    Proceed as described below. Firmware update via E-mail Store the delivered files into a temporary directory. Start the FCONF program by double-clicking the fconf.exe file Proceed as described below. The following dialog opens: Bruker Optik GmbH IFS 125M User Manual...

  • Page 210: Performing Firmware Update

    ☞ Click the Beep button. If the spectrometer beeps three times in rapid suc- cession (once in case of ALPHA), it has been recognized by the firmware. • Click the Next button. Table B.1: Updating firmware IFS 125M User Manual Bruker Optik GmbH...
  • Page 211 If the firmware update has finished, the FCONF program resets the spectrome- ter. The log window reads: Resetting the spectrometer... done. • After a successful spectrometer initialization, the firmware version is displayed in the log window. Bruker Optik GmbH IFS 125M User Manual...

  • Page 212: Restoring A Previous Firmware Version

    FCONF pro- gram. • Click the Next button. In the next dialog, click the Finish button. ➣ The previous firmware version is going to be restored. Table B.2: Restoring previous firmware version IFS 125M User Manual Bruker Optik GmbH...

  • Page 213: Backing Up The Current Firmware Version

    It is recommended to accept the directory set by the FCONF pro- gram. • Click the Next button. In the next dialog, click the Finish button. ➣ The backup starts. Table B.3: Backup current firmware version Bruker Optik GmbH IFS 125M User Manual...
  • Page 214 Firmware Update E IFS 125M User Manual Bruker Optik GmbH...

  • Page 215: F Glossary

    Cable made of strands of thin fibers (glass or plastic wire) that transmits (pulses of) light. Optical fiber carries much more information than conventional copper wire and is in general not subject to electromagnetic interference. Bruker Optik GmbH IFS 125M User Manual...
  • Page 216 Globar An infrared source which consists of a bar made of silicon car- bide (SIC). This bar is electrically heated and emits infrared light. IFS 125M User Manual Bruker Optik GmbH...
  • Page 217 Mathematically expressed by A = abc, where A represents absorbance, a, b, and c are absorptivity or extinc- tion coefficient, path length and concentration. Bruker Optik GmbH IFS 125M User Manual...
  • Page 218 The higher the spectral resolution (smaller val- ues), the higher the noise in the spectrum. Sample A sample is a special kind of substance which is put into the spectrometer sample position and measured. IFS 125M User Manual Bruker Optik GmbH...
  • Page 219 Transmittance Transmittance is the ratio between the beam energy transmit- ted through a sample and the beam energy incident on the sur- face of the sample. Bruker Optik GmbH IFS 125M User Manual...
  • Page 220 Note that the alignment of the reference laser, the size of the field stop (aperture), the pressure of the ambient air and other factors influence the wavenumber calibration. IFS 125M User Manual Bruker Optik GmbH...

  • Page 221: G Addresses

    Bruker has an international network of branch offices and representations to ensure a customer service throughout the world. The following list includes the addresses of Bruker headquarters. For a complete list with the addresses and telephone numbers of the Bruker branch offices and representations worldwide, refer to the internet: http://www.brukeroptics.com/offices.html Asia Bruker Hong Kong Ltd.
  • Page 222 Addresses G IFS 125M User Manual Bruker Optik GmbH...

  • Page 223: Index

    Frequency ..........216 ..........17 Standard FT-IR spectroscopy ........ 216 Connection ports ........181 Full report ..........167 Covers ........... 166 ..........77 Generating Remounting ..........168 Log buffer ..........73 Removing FWD LED ..........187 Cross-over cable ........215 Bruker Optik GmbH IFS 125M User Manual...
  • Page 224 Reflection ..........218 Relative humidity ........218 Remote fault diagnostics ......124 Network address ........176 RES button ..........189 ..........178 Assigning Resolution ........198 ......176 Standard configuration ........200 Specifications NIR ............218 Resolving power ........198 IFS 125M User Manual Bruker Optik GmbH...
  • Page 225 ..........152 Source Spectrometer home page .......143 Spectroscopy software ...........46 Starting Spectrum ..........219 SR/SG LED ..........189 Subnet mask ...........219 SY LED ...........186 Temperature ...........197 ........128 Troubleshooting Temperature range ........18 Temperature variations ......19 TEST adapter Bruker Optik GmbH IFS 125M User Manual...
  • Page 226 Index IFS 125M User Manual Bruker Optik GmbH...
  • Page 227 Bruker Optik GmbH IFS 125M User Manual...
  • Page 228 IFS 125M User Manual Bruker Optik GmbH...

Table of Contents