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LDS 6 
Operating Instructions, 01/2009, A5E00295894-05 

83

 

Technical Data 

8

8.1

 

Central Unit 

All critical components are housed in the central unit which can be placed several hundred 

meters away from the measurement point.    

Table 8- 1 

Analytical performance  

(The exact performance can be obtained from the individual analyzer data sheet) 

Analytical performance 

 

Measuring ranges 

Internally adjustable 

Detection limit 

 

 

 

 

  

 HF 

 HCl 

 NH

3

 

 H

2

O (top measuring range) 

 O

2

  

 CO (one component) 

 CO

2

 (one component) 

 CO/CO

2

 

at 25 °C, 1000 hPa, 1 m path length and ambient 

air. 

Calculation based on VDI 2449 with 

measurement on each supplied analysis device 

during temperature test (b5 ... +45 °C) 

according to VDI 4203 

0.1 ppm 

0.6 ppm (0.2 ppm for TÜV/MCerts analyzers) 

1 000 ppm 

1 000 ppm 

1 000 ppm 

300 ppm 

300 ppm 

600 ppm/1.500 ppm 

Smallest recommended measuring range 

 HF 

 HCl 

 NH

3

 

 H

2

O (top measuring range) 

 O

2

  

 CO (one component) 

 CO

2

 (one component) 

 CO/CO

2

 

 

0 ... 5 ppm 

0 ... 10 ppm 

0 ... 10 ppm 

0 ... 5 vol % 

0 ... 5 vol. % 

0 ... 1.5 vol. % 

0 ... 1.5 vol. % 

0 ... 3 vol. % / 0 ... 7.5 vol. % 

The maximum applicable measuring ranges can be found in the table of standard combinations. 

These can only be applied if the individual process conditions allow. We recom mend to contact 

our Technical Support for checking the applicability. 

 

Содержание LDS 6

Страница 1: ...LDS 6 In situ Laser Gas Analyzer Operating Instructions 01 2009 LDS 6 In situ Laser Gas Analyzer Operating Instructions 01 2009 Continuous Gas Analysis ...

Страница 2: ......

Страница 3: ...uidelines 3 Operation 4 Alarms 5 Maintenance and Service 6 Spare Parts List 7 Technical Data 8 Dimensional Drawings 9 ESD guidelines A List of Abbreviations B Continuous Gas Analysis In Situ Laser Gas Analyzers LDS 6 Operating Instructions 01 2009 A5E00295894 05 ...

Страница 4: ... qualified personnel Within the context of the safety notes in this documentation qualified persons are defined as persons who are authorized to commission ground and label devices systems and circuits in accordance with established safety practices and standards Proper use of Siemens products Note the following WARNING Siemens products may only be used for the applications described in the catalo...

Страница 5: ...s 25 3 1 Safety Information 25 3 2 General Installation Information 28 3 3 Electrical Connections 29 3 3 1 Power Supply Connections 29 3 3 2 Hybrid Cable Connection 31 3 3 3 Signal Cable Connection 32 3 3 4 Pin Assignment of LDS 6 34 3 4 Three Channel System 35 3 4 1 External Power Supply 35 3 4 2 Three Channel Hybrid Cable Connection 36 3 5 Flange Installation Requirements 37 3 6 Installation of ...

Страница 6: ...ibration Verification 72 6 5 Reconfiguration of Temperature Compensation 73 6 6 Reconfiguration of Pressure Compensation 74 6 7 Reconfiguration of the Path Length 75 7 Spare Parts List 77 7 1 Compatibility of detectors with central units 77 7 1 1 Detector Labels 77 7 1 2 Central Unit Labels 78 7 2 Spare Parts Lists 79 7 3 Ordering Instructions 81 7 4 Repair Upgrade 81 8 Technical Data 83 8 1 Centr...

Страница 7: ...technology measuring and control systems Knowledge and technically correct implementation of the safety notes and warnings contained in this manual are required for safe installation and commissioning as well as for safety during the operation and maintenance of the described product Only qualified personnel have the required professional knowledge for correctly interpreting the generally valid sa...

Страница 8: ...icable liability provisions The provisions defined in the sales contract for the responsibility for defects are neither extended nor limited by the remarks in this document 1 5 Delivery Information The respective scope of delivery is listed on the shipping documents enclosed with the delivery in accordance with the valid sales contract When opening the packaging please observe the corresponding in...

Страница 9: ...f gas concentrations or temperatures in process or flue gases One or two signals from up to three measuring points are processed simultaneously by one central analyzer unit The in situ cross duct sensors at each measuring point can be separated up to 700 m from the central unit by using fiber optic cables The sensors are designed for operation under harsh environmental conditions and contain a min...

Страница 10: ...ications showing strong varying gas compositions Under harsh environmental conditions at the measuring point Highly selective i e mostly without cross sensitivities LDS 6 properties Little installation effort Minimum maintenance requirements Extremely rugged design High long term stability through built in maintenance free reference gas cell field calibration is unnecessary Real time measurements ...

Страница 11: ... others Process measurements in power utilities and any kind of incinerator Process control Explosion protection Measurements in corrosive and toxic gases Quality control Environmental protection Plant and operator safety Sectors Power plants Steel works Cement industry Chemical and petrochemical plants Automotive industry Waste incinerators Glass and ceramics production Research and development S...

Страница 12: ...servicing via Ethernet modem Straightforward replacement of the central unit since connections can easily be removed Sensor and central unit housing free of wear and corrosion Easy operation with a numerical keypad and menu prompting Certified versions for emission monitoring The LDS 6 is available as certified instrument for emission monitoring of NH3 NH3 H2O H2O HCl HCl H2O The certificates are ...

Страница 13: ...sors is established by a so called hybrid cable which contains optical fibers and copper wires An additional cable connects the transmitter and receiver parts of the cross duct sensor Central unit The central unit is housed in a 19 rack with 4 holders for mounting in a hinged frame in racks with or without telescopic rails The LDS 6 operates as an independent unit powered by a 100 240 V AC main po...

Страница 14: ...enu driven operation for parameterization and diagnostics Operation support in plain text 6WDWXV OLQH WR LQGLFDWH WKH GHYLFH VWDWXV EDFNOLW JUDSKLF GLVSOD DQG PHPEUDQH WDFWLOH WRXFK NH ERDUG 7ZR FRGH OHYHOV DFFRUGLQJ WR 1 085 0 6 NH WR UHWXUQ GLUHFW WR PHDVXUHPHQW PRGH 0HQX GULYHQ RSHUDWRU FRQWURO ZLWK ILYH VRIWNH V 6 NH WR FDQFHO HQWULHV 1 2 NH IRU KHOS LQ SODLQ WH W 5 NH WR GHOHWH WKH GLJLWV HQW...

Страница 15: ...ntenance requirements function control transmission limit alarms concentration limit alarms store analog output Communication Network connection Ethernet 10Base T for remote diagnostics and maintenance The LDS 6 can be operated remotely via the Ethernet port with a PC running Windows 95 98 ME or Windows NT 2000 XP It is also possible to connect the LDS 6 via modem to the public telephone net In th...

Страница 16: ...ustable flanges with flange connection DN 65 PN 6 ANSI 4 150 lbs Optional flameproof window flanges with dimensions DN 65 PN 6 DN 80 PN 16 ANSI 4 150 lbs other process interfaces available on request Purging facilities on the process and the sensor sides configurable application with purging gas connections for Instrument air Purging air blower Steam Nitrogen Process gases to which the pressure eq...

Страница 17: ...ee also separate user manual These have very low power electronics and are intrinsically safe For use in areas with potentially explosive atmosphere a barrier box must be installed additionally For further information regarding the ATEX option please refer to the separate ATEX manual for LDS 6 Parts in contact with the process gases The sensors normally do not come into contact with the process ga...

Страница 18: ...ed environments the legislative regulations have to be complied with such as the spatial separation of intrinsically safe from non intrinsically safe cables Max 700 m between central unit and measuring point Hybrid and sensor cables Multimode fiber optic cable provided with SMA connections for transmission of the measured signal Two wire copper cable in twisted pair version for 24 V supply of the ...

Страница 19: ...ne with a very high spectral resolution The result is a fully resolved single molecular line which is analyzed in terms of absorption strength and line shape The influence of cross sensitivities on the measurement is negligible since the quasi monochromatic laser light is absorbed very selectively by only one specific molecular line in the scanned spectral range 37 37 37 37 37 0HDVXUHG YROXPH 2 KD...

Страница 20: ...ed and that the guaranteed measuring properties can be proven by reference installations If you cannot find your application among the standard applications please contact Siemens We will be pleased to check your possible individual application of the LDS 6 You can find an application questionnaire on the LDS product sites on the Internet To avoid contamination of sensor openings on the process si...

Страница 21: ...tion of contribution from spectrally broad absorption originating from dust smoke etc LDS 6 is connected to the measuring points by fiber optics The laser light is guided by a single mode fiber from the central unit to the transmitter unit of the in situ sensor The sensor consists of a transmitter and a receiver the distance between them defines the measurement path In the receiver box the light i...

Страница 22: ...of the same molecule measured at the same time in the same volume gives the actual temperature in the process gas Typical measurable gases for LDS 6 are Oxygen O2 for low and high pressure Oxygen temperature Hydrogen fluoride HF water Hydrogen chloride HCl water Ammonia NH3 water Water vapor H2O Carbon monoxide CO Carbon dioxide CO2 CO CO2 By using an internal reference cell normally filled with t...

Страница 23: ...ion is always compared with the baseline After signal processing phase sensitive application delivers a signal only from the molecular line free of background The influence of a high dust load is complex and depends on the path length and particle size The optical damping increases at longer path lengths Smaller particles also have a large influence on the optical damping With a combination of hig...

Страница 24: ...f Beer Lambert s law the absorption of laser light depends on the optical path length within the gas Therefore the precision in determining the effective optical path length in the process might limit the overall precision of the measurement As the sensor openings toward the process normally need to be purged to keep them clean over a long period of time the thickness of the mixing zone between th...

Страница 25: ...ations LVD regulation 2006 95 EC and EMC regulation 2004 108 EC The device can be used in an industrial environment Laser Safety All lasers used by LDS 6 are of class 1 The emitted laser light is in most cases invisible near infrared and the intensity is low enough so that the unprotected eye is not damaged under normal circumstances LDS 6 has warning labels at appropriate positions according to D...

Страница 26: ...essures higher than 600 kPa occur in the process this can lead to destruction of the sensors and their environment In worst case process media may break free and pollute the environment Avoid under any circumstances process pressures higher than 600 kPa If this rule is not followed death injuries and or damage to property and environment can occur Explosion Protection II 1GD T135 C EEx ia IIC T4 I...

Страница 27: ... Ex ia IIC T4 II 1D IP65 T135 C Central Barrier Unit II 1 G Ex ia IIC II 1 D Ex iaD Equipment Group Group II Surface Equipment Category Category 1G D Zone 0 Flammable material can be present continuously frequently or for long periods in gas and dust Type of protection EEx ia The equipment present in the hazardous area is intrinsically safe Explosion group IIC This corresponds to a gas group conta...

Страница 28: ...entral unit Also ensure that the unit is not exposed to direct solar radiation If these conditions can t be fulfilled the LDS 6 must be installed in a cabinet with controlled environment Note As condensing is normally a problem when moving the device from outside to inside a building it is recommended that the device should be adapted to room climate for a couple of hours before starting it The ba...

Страница 29: ... three kinds of cables used for the LDS 6 depending on the application Hybrid cables for all types of systems except oxygen These are installed between the LDS 6 and the transmitter sensor Hybrid cables for oxygen systems only also installed between the LDS 6 and the transmitter sensor Loop cables same for all systems are installed between the transmitter sensor and the receiver sensor 3 3 Electri...

Страница 30: ...cord must be suitable for the rated current and limited in length This flexible cord must also be suitable for an ambient temperature of 70 C 158 F and is not allowed to be mounted in building installations As the kind of appliance inlet is only suitable for 70 C 158 F ambient temperature the power cord must be kept away with suitable means from surfaces of more than 70 C 158 F at max rated operat...

Страница 31: ... connections here only channel 3 is connected WARNING Keep the fiber end protected by the protective tube until it is time for connection Only authorized personnel are entitled to remove the protective tube and proceed with the connecting operation 1 Hybrid cable holder 2 E2000 Single Mode fiber connector angle polished 3 SMA Multi Mode fiber connector 4 Sensor voltage supply connection 24 V 60 mA...

Страница 32: ...isible on the housing The signal cables in the rack mount analyzer are connected to the DSUB plugs at the rear RC elements must be connected according to the figure Spark suppression below as a measure to suppress the generation of sparks across the relay contacts i e limit relays Note that the RC element results in a drop out delay for an inductive component i e solenoid valve The RC element shou...

Страница 33: ...ted according to EN61010 1 Table 13 or 14 when an over current protective device is used The reference ground of the analog inputs is the housing potential The analog outputs are floating also with respect to one another The interface cable must be screened and connected to housing potential The cable screen must be connected with a large area contact to the screen of the DSUB plug The conductor c...

Страница 34: ...uts 1 to 4 N Binary input 1 P Binary input 2 P Binary input 3 P Binary input 4 P GND GND Relay 1 Relay 2 Relay 3 Relay 4 Relay 5 Relay 6 GND Connector SUB D 25F Temperature correction Temperature correction Pressure correction Pressure correction Analog outputs floating also to one another RL 750 Ω Non floating analog inputs GND Analog output 2 P GND NC GND Analog output 1 N Analog output 1 P Anal...

Страница 35: ...he ATEX version of the three channel LDS 6 is using an external power supply leaving the sensors unaffected when a third channel is added The external power supply is connected by adding the pins into two corresponding screws of the 6 pole socket at the back of the central unit as seen in the following figure Fuse CH 3 CH 2 CH 1 100 240 V AC 24 V DC 24 V DC 24 V DC 24 V DC ದ ದ ದ V V L N Figure 3 4...

Страница 36: ...ectrical wires in the hybrid cables are connected according to the following figure 6 pole screw socket for 24 V external power supply 2 poles per sensor Note that the polarity is not important for non ATEX use whereas it is for ATEX Figure 3 5 Connection of electrical cables for a 3 channel unit CAUTION The instrument is not designed to feed 3 sensors using the internal power supply ...

Страница 37: ...ement interrupted To overcome this the sensor can be fixed to a girder or other structure that is not influenced by the temperature and the flexible metal tube is fitted between the process flange and the sensor flange Remember that the flanges fitted for the sensors must not deviate more than 2 Note It is very important that the flanges are mounted so that they are aligned Otherwise the measureme...

Страница 38: ...just the focus on the aiming tool until the light spot from the light source is sharp 5 Adjust the angle of the process flange tube using for instance a rubber hammer until the light spot is centered on the cross hair on the aiming tool 6 Weld the aligned flange tube permanently into this position 7 Shift light source and aiming tool and repeat the procedure above for the opposite flange until the...

Страница 39: ...aim should always be to achieve the best possible alignment of the flanges i e to get the center of the dot as close as possible to the center of the crosshair on the alignment tool This will allow for small changes for example caused by thermal movement later on For a normal installation using standard 400 mm purging tubes the alignment is usually good enough if the center of the dot is within 3 ...

Страница 40: ......

Страница 41: ...d to present the measurement values as well as the instrument s interface the MMI Note In the following screen examples the application illustrated is mainly for the gas NH3 ammonia However they are valid for all applications and gases 7 8 1 2 3 4 5 6 9 0 CLEAR ENTER ESC INFO MEAS LIM STO CTRL TR CODE LIM STO CTRL TR CODE NH3 X NH3 X mg Nm3 mg Nm3 H2O X H2O X Ch1 Ch1 Ch2 Ch2 1 2 3 4 5 6 Figure 4 1...

Страница 42: ...alf of the display for a two channel analyzer as shown Table 4 1 Table Op 1 Switches Keys Meaning CLEAR Deletes a commenced number input ENTER Every digit input except fast selection of a function must be confirmed by using this key ESC Return by one step in the input structure Modifications are imported INFO Help information MEAS Return from any position in the input structure to service mode pos...

Страница 43: ...alue is stored If several input fields are present in a menu the cursor is automatically positioned to the next input field Note Each input value must be confirmed with ENTER before you leave the menu The CLEAR key can be used to delete an input The cursor then returns to the first position of the input field Graphic Styling Elements Switching function ON status Switching function OFF status also ...

Страница 44: ... H 2 O o LIM o STO o CTRL o TR o CODE o LIM o STO o CTRL o TR o CODE To Meas Screen Save curren t modifi c a tions No Yes If NO changes will be used in curren t session until restart or rese t Analyzer Status Measuring Range Parameters Configuration Calibration Analyzer Status Measuring Range Parameters Configuration Calibration 5 4 7 2 9 8 6 3 1 Code Start from measuring mode Input of password Co...

Страница 45: ...en are assigned to channels instead of measured components If the channel has two components it is necessary to pass a second channel specific measuring screen before entering the component specific main menu vol H2O NH3 mg Nm3 11 28 11 13 Channel 1 LIM STO CTRL TR CODE Each channel can be operated independently Main Menu Configuration Parameters Measuring Range Calibration Analyzer Status Main Me...

Страница 46: ...e The analyzer can be coded again CODE by pressing the MEAS key once more thus entering Measuring Mode Simultaneously with the symbol CODE the symbol CTRL Function control appears in the status line showing that the analyzer is not in measuring mode External signaling via a relay contact is then possible if a corresponding relay has been configured with CTRL under function 71 Fast Selection of Fun...

Страница 47: ...egories Analyzer specific functions act on all channels and components of the analyzer independently from the analyzer component through which the function was called Channel specific functions act on all components of the corresponding channel independently from the analyzer component through which the function was called Component specific functions act on a single component and can only be call...

Страница 48: ...onse Time Limits Transmission Status Messages Select Display Digits LCD Contrast Date Time Setup Logbook x x x x x x x x 5 2 5 Configuration code 2 70 71 72 73 74 75 77 79 81 80 82 83 84 85 86 87 88 89 Analog Output Relay Outputs Binary Inputs Communication Reset Save Load Data Store Analog Output Codes Input Levels Select Language Analyzer Test Pressure Correction Temperature Correction Water Cor...

Страница 49: ... No Information on ordering data of analyzer Serial No Consecutive number of analyzer Software Package Version Version number of the application specific configuration software OS Version Version number of the Windows CE operative system running in the analyzer CE Software Version number of the LDS 6 specific software CE Driver Software Version number of the driver software Analyzer uC Drv Softwar...

Страница 50: ...ransmission alarms TR and function check CTRL are also recorded However these do not trigger a maintenance request or fault message The soft key can be used to acknowledge the respective fault entry The dot will then disappear A sign at the end of the entry means an activated alarm a sign an inactivated alarm The logbook contains a maximum of ten pages each of which can accommodate four messages I...

Страница 51: ...ve 20 Zero Calib Ch1 NH3 Act Val 0 12 mg Nm3 You can use this function to calibrate the zero of a measuring range When zero calibration is triggered the current measurement value is stored This value will thereafter always be subtracted from the measurement signal Only start the calibration when the measured value is stable The status of the calibration will be shown at the bottom of the screen 21...

Страница 52: ...arameters Table 4 6 Parameters Ch1 NH3 Continue 53 Status Messages 52 Transmission 51 Limits 50 Response Time This display showing the selection of the parameter functions 50 to 53 appears following the selection of the parameter functions in the main menu by pressing the fourth soft key Parameters You can branch to the parameter functions 54 to 60 by pressing the fifth soft key Continue 50 Respon...

Страница 53: ...missible range The lower alarm level of the transmission for a channel is set as a percentage of the nominal transmission value where the nominal value is registered when the fourth soft key is pressed The upper alarm level is set to a fixed value and cannot be changed by the user The transmission alarm is displayed on the status line if this has been set up by function 53 The alarm is also signal...

Страница 54: ...u can carry out an LCD test by pressing the fourth soft key Test Various test patterns are then shown in succession The test can be stopped by pressing ESC 58 Date Time New Date dd mm yy 24h day 58 Date Time Ch1 NH3 01 04 2004 14 44 Actual Date Actual Time Set Clock 14 44 New Time hh mm 24 h 01 04 04 You can use this function to set the actual date and time The analyzer has a system clock which is...

Страница 55: ...ou can use this function to switch the mode of the analog output between NAMUR and non NAMUR If the NAMUR mode is chosen in this screen the lower and upper limits of the analog outputs are 3 8 and 21 5 mA respectively according to the NAMUR standard Otherwise the limits are 2 and 21 mA For both modes function 41 is used to set the limits of the analog output range to 4 mA start of scale and 20 mA ...

Страница 56: ...Maintenance Requests specified in Operation chapter Transmission Limit Alarm TR Upward or downward violation of transmission limit see also function 52 Function Control CTRL Signaling when analyzer is in start up mode or in service mode coded Limit Alarm Primary LIM Upward or downward violation of limit for the primary gas component see also function 51 Limit Alarm Secondary LIM Upward or downward...

Страница 57: ...eral Binary input should be de energized upon fault signal from unspecified equipment External Maintenance Request Temperature Binary input should be de energized upon maintenance request signal from temperature transducer External Maintenance Request Pressure Binary input should be de energized upon maintenance request signal from pressure transducer External Maintenance Request Purging Binary in...

Страница 58: ...oad Factory Settings Load User Data Save User Data Erase EEProm Section You can use this function to save or load user specific data in the user data memory on the EEPROM Saving of data should always be carried out after a successful starting up of the system All individual settings are then saved and can be recalled if necessary load user data This is significant if repairs or maintenance are to ...

Страница 59: ...ertain alarms The response for fault S transmission alarm TR for start up function control CTRL and transmission pending can be defined independently 77 Store Fault Ch1 NH3 Analog Output To 3 1 mA You can use this function to set to one of the following modes default This value has been set in the previous screen the latest measured value before the error occured 3 1 mA 3 mA if the NAMUR mode is a...

Страница 60: ...l Pressing one of the five soft keys at the right margin will make the associated point disappear or appear When the digit keys and the sign key are pressed the corresponding digit is stored in the editing field in the bottom line of the display A message will be displayed in plain text as you press the INFO key the MEAS and ESC keys retain their return functions Relay and Binary Test Note Before ...

Страница 61: ...e selected measuring range always corresponds to the analog input signal range of 4 20 mA No other input signals can be used If the pressure sensor is configured according to the NAMUR standard the NAMUR mode should be selected for the analog input signal In that case only input signals within the range of 3 8 21 5 mA are accepted If the NAMUR mode is not selected input signals within the range of...

Страница 62: ...erf Corr Ch1 NH3 10 0 Manual Value O2 Correction Active H2O Correction Active You can use this function to activate or deactivate correction of cross interference from other gases The gases that require corrective measures depend on the application and only the appropriate ones are visible in screen 84 The function should be turned off when calibrating dry gas If the gas is not calculated by the i...

Страница 63: ...6 and applications where water vapor is set manually If this function is available in the current LDS 6 it can be activated in the adjacent display otherwise it is not possible to access function 87 88 Error On Off S4 S3 S2 S1 88 Error On Off Ch1 NH3 Continue X Compensation Temp Limit Signal Quality Fault Laser Current Fault Optomodule Fault You can use this function to individually switch off the...

Страница 64: ...hould happen and then measure normally again It is very unusual that this should happen but if it does the watchdog prevents the system from going down and stay down Measurement OK Frozen value 0 mA output Function control mode configurable 0 mA out if response is latest or if Function control is off Measurement OK Module crash From this point normal startup behaviour 0 16 s approx 1 min approx 1 ...

Страница 65: ...module Fault S1 13 11 03 16 43 At the same time that an alarm is activated marked with a sign and inactivated marked with a sign a new message will appears in the logbook function 3 The message will also show the time when it was recorded in the logbook together with a short text describing the alarm Faults are considered to be more severe than other alarms and are therefore treated somewhat diffe...

Страница 66: ...ched off using function 88 It is not recommended to use this facility during normal operation Relays If the relay outputs of the analyzer have been configured accordingly it is possible to output a signal when an alarm occurs Stored Value The analog output can be set to the last measured value or to 3 mA when an alarm occurs function 77 This response signal is only possible for Fault alarm Transmi...

Страница 67: ...witched off Set date and time W5 Ambient Analyzer Ambient temperature or pressure is beyond limits specified in technical data Make sure that the ambient temperature ranges between 5 C 45 C and the ambient pressure corresponds to a place below 2000 m above the sea level W6 Ambient Channel Ambient temperature is outside limits specified in technical data Make sure that the ambient temperature range...

Страница 68: ...vice S2 Laser Current Change of laser current due to ageing of laser Contact service S3 Signal Quality Signal amplitude too high due to high component concentration Contact service Signal amplitude too low when measuring temperature Contact service S6 External Fault External signaling Check external equipment S7 Supply Voltage Channel Internal power failure Contact service S8 Supply Voltage Analyz...

Страница 69: ...ing tubes Transmission too high Adjust the potentiometer of the detector 5 5 Limit Alarm The limit alarm LIM appears if the signal exceeds the limits set by function 51 5 6 Function control alarm The function control CTRL is activated when the analyzer performs an action during which the measurement value may be incorrect The triggering of CTRL should normally not require an action from the user T...

Страница 70: ......

Страница 71: ...ed with your system please refer to the corresponding sensor manual 6 2 Cleaning the Central Unit CAUTION Always make absolutely sure that no water gets into the unit during cleaning Failure to do so may result in a breakdown of the unit Use only a dry cloth without any cleaning agents Since the central unit contains optical surfaces great care should be taken when cleaning Only outer surfaces may...

Страница 72: ...in many cases Start at the centre and work with circular movements towards the rim 4 Remove all dust particles using pressurized air or flushing water 5 When the sensor is re installed make sure that the guide pin fits the hole on the purging flange Screw on the lock ring and tighten it gently with the tool If this operation is performed properly it will not affect the alignment of the sensor 6 4 ...

Страница 73: ... measurement screen Press MEAS again to loose privileges 6 Hardware connections Connect the 4 20 mA wires to pins 3 and 11 on the 15 pin trapezoidal plug D SUB plug at the rear The conductor cross section should be 0 5 mm2 7 The procedure has to be repeated for other channels It is not necessary to repeat it for more than one component per channel since it is a channel specific function External t...

Страница 74: ...surement screen Press MEAS again to loose privileges 6 Hardware connections Connect the 4 20 mA wires to pin 4 and 12 on the 15 pin trapezoidal plug D SUB plug at the rear The conductor cross section should be 0 5 mm2 7 The procedure has to be repeated for other channels It is not necessary to repeat it for more than one component per channel since it is a channel specific function External to Man...

Страница 75: ...rd for privilege level 2 the password is factory set to the value 222 but may have been replaced by a new one Press Continue twice and then select function 84 Path Length 2 Press first soft key to edit the path length Enter the new path length and press ENTER 3 Press MEAS to return to measurement screen Press MEAS again to loose privileges 4 The procedure has to be repeated for other channels It i...

Страница 76: ......

Страница 77: ...dification but the detector is different This spare parts list corresponds to the technical state of February 2009 7 1 1 Detector Labels The detector A5E number indicates if a sensor is to be used with a Version 2 central unit Besides the example in the following picture also A5E1033996 HCl and A5E1030124 CD 6C are used with version 2 The detector revision number e g ES01 is only important if sele...

Страница 78: ... with MLFB number 7MB6121 Made in France are labeled E02 or higher Made in France LDS 6 Central Unit 100 240 V 50 60 Hz 50 VA S N1S1000001 2P E02 1P 7MB6121 0CA10 0XX1 Z A10 B20 Almost all units with MLFB number 7MB6021 Made in Sweden were delivered as Version 1 Only a few of these have been delivered with version 2 electronics There is no label indicating this exception but it applies to the foll...

Страница 79: ...ternal power supply 100 240 V T1 25L250V A5E00854190 LDS 6 D sub 15pin with cable entry A5E00338618 LDS 6 D sub 25pin with cable entry A5E00338622 Table 7 2 Spare parts cables Product description Order no Standard hybrid cable LW 5 m A5E00818626001 Standard hybrid cable LW 10 m A5E00818626002 Standard hybrid cable LW 25 m A5E00818626003 Standard hybrid cable LW 40 m A5E00818626004 Standard hybrid ...

Страница 80: ...teel DN65 PN6 A5E00534662 CD 6 High pressure with flange 1 4404 stainless steel DN80 PN16 A5E00534663 CD 6 High pressure with flange 1 4404 stainless steel ANSI 4 A5E00534664 CD 6 Air blower 115 V A5E00829150 CD 6 Air blower 230 V A5E00829151 CD 6 Alignment kit A5E00253142 CD 6 Entry seal for sensor A5E00853911 Table 7 4 Spare parts CD 6C sensor Product description Order no CD 6C Sensor box transm...

Страница 81: ...TEX CD 3002 A5E00338594 LDS6 Entry seal for barrier box A5E00979661 See also List of Abbreviations Page 95 7 3 Ordering Instructions All orders should specify the following 1 Quantity 2 Product description 3 Order number 4 MLFB number and serial number of the instrument to which the spare part will be used 5 For sensor electronics A5E and revision numbers of the detector to be replaced 7 4 Repair ...

Страница 82: ......

Страница 83: ...h length and ambient air Calculation based on VDI 2449 with measurement on each supplied analysis device during temperature test between 5 45 C according to VDI 4203 0 1 ppm 0 6 ppm 0 2 ppm for TÜV MCerts analyzers 1 000 ppm 1 000 ppm 1 000 ppm 300 ppm 300 ppm 600 ppm 1 500 ppm Smallest recommended measuring range HF HCl NH3 H2O top measuring range O2 CO one component CO2 one component CO CO2 0 5 ...

Страница 84: ... uncertainties for HF all versions HCl all versions H2O O2 combination with temperature Linearity Better than 1 Precision 2 of the measured value or minimum detection limit whichever is largest Zero point drift Negligible Measured value drift Negligible Calibration interval No calibration required due to internal reference cell Table 8 3 General General Concentration units ppmv vol mg Nm3 EU mg Nm...

Страница 85: ...classification II Fuse specifications 100 240 V T2 5L250V Table 8 6 Dynamic response Dynamic response Warm up time at 20 C ambient air temperature Approx 15 min Response time Better than 3 sec dependent on application Integration time 1 100 sec selectable Table 8 7 Influencing variables Influencing variables Ambient temperature of measured value 0 5 10 K Atmospheric pressure Negligible Gas pressur...

Страница 86: ... Ω Analog inputs 2 per channel designed for 4 20 mA Binary outputs 6 per channel with changeover contacts configurable 24 V AC DC 1 A floating Binary inputs 6 per channel designed for 24 V floating configurable Communication interface Ethernet 10BaseT RJ 45 Table 8 9 Climatic conditions Climatic conditions Temperature range during operation during transportation and storage 5 45 C 41 113 F 40 70 C...

Страница 87: ...figured at both ends with SMA connectors Cable sheath Oil resistant polyurethane Dimensions Diameter Length 8 mm up to 1 000 m for lengths 500 m an external power supply must be additionally ordered for installations in Ex zones non intrinsically safe cables have to be spatially separated from intrinsically safe lines lengths 600 m Impact resistance 200 N cm Maximum tensile strength 500 N Minimum ...

Страница 88: ... sensor 500 hPa Quality Instrument air Nitrogen free of oil and water Purity better than 99 7 For oxygen measurements an O2 content 0 01 is recommended in the purging gas optical path length 1 m min 5 oxygen in the process gas Maximum flow rate 500 l min Dew point Benchmark 10 C condensation on the optics must be avoided Table 8 13 Blower purging Blower purging Maximum counter pressure 4 kPa Maxim...

Страница 89: ...2009 A5E00295894 05 89 Dimensional Drawings 9 Central unit The central unit will fit in a standard 19 rack The dimensions are shown below LDS 6 465 483 440 101 6 178 351 5 428 Figure 9 1 Dimensional drawings of the central unit LDS 6 ...

Страница 90: ...SO DQG IXVHV SLQ FRQQHFWRU LQDU LQSXWV DQG UHOD RXWSXWV SLQ FRQQHFWRU LQDU LQSXWV DQG DQDORJ LQSXWV RXWSXWV EULG FDEOH VXSSRUW VLQJOH PRGH RSWR FRQQHFWRU 60 PXOWLPRGH RSWR FRQQHFWRU WKHUQHW FRQYHUWHU 56 9 VHQVRU VXSSO Figure 9 2 LDS 6 three channel 19 central unit optical and electrical connections ...

Страница 91: ...GND GND Relay 1 Relay 2 Relay 3 Relay 4 Relay 5 Relay 6 GND Connector SUB D 25F Temperature correction Temperature correction Pressure correction Pressure correction Analog outputs floating also to one another RL 750 Ω Non floating analog inputs GND Analog output 2 P GND NC GND Analog output 1 N Analog output 1 P Analog output 2 N Analog input 2 P Analog input 2 N Analog input 1 P Analog input 1 N...

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Страница 93: ...vices can be destroyed by voltages well below the threshold of human perception These static voltages develop when you touch a component or electrical connection of a device without having drained the static charges present on your body The electrostatic discharge current may lead to latent failure of a module that is this damage may not be significant immediately but in operation may cause malfun...

Страница 94: ...lectrostatic sensitive devices ensure that your body the workplace and packaging are grounded This prevents electrostatic charge Avoid direct contact As a general rule only touch electrostatic sensitive devices when this is unavoidable e g during maintenance work Handle the modules without touching any chip pins or PCB traces In this way the discharged energy can not affect the sensitive devices D...

Страница 95: ...nch for Explosive atmosphères CAC Communication and Analytical Control cm Square centimeters CO2 Carbondioxide CU Central Unit of the analyzer DC Direct Current DN Diameter nominal EEPROM Electrically Erasable Programmable Read only Memory EEx European Energy Exchange e g For example EMC Electromagnetic compatibility ESD Electrostatic Discharge EU European Union Ex Energy Exchange FPGA Field progr...

Страница 96: ...lligrams per dry standard cubic meter European standard The concentration is based on the following conditions according to DIN EN 1343 0 C ambient temperature 1 013 hPa barometric pressure mg Nm3 US Milligrams per dry standard cubic meter US standard The concentration is based on the following conditions according to SATP 25 C ambient temperature 1 013 hPa barometric pressure min Minute or minimu...

Страница 97: ...n Pt Platinum PTFE Polytetrafluoroethylene plastic commercial name e g Teflon QAL Quality Assurance Level RAM Random Access Memory s Seconds SELV Safety Extra Low Voltage SMA Sub Miniature A a coaxial connector type SW Short Wave Fibre for oxygen analyzers TCP IP Transmission Control Protocol Internet Protocol a reference model for communication on the Internet uC Microcontroller V Volts Vol Volum...

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Страница 99: ...ation of side effects 61 73 Data handling 58 Device setup 20 Inputs and outputs 55 Cross duct sensor Design 16 D Dimensional drawings 89 Display and control panel Design 14 Functions 41 E Electric connections Hybrid cable 31 Power supply 29 Electrical Connecions 29 Electrical connection 3 Channel system 35 Electrical connections Connectors 90 Signal cable 32 Error messages 67 ESD guidelines 93 F F...

Страница 100: ... 05 O Operation Analyzer functions 41 Functional principle 21 Overview 9 P Parameters 52 S Safety Information Electrical safety 25 Explosion Protection 26 Heat Safety 26 Laser Safety 25 Pressure Safety 26 Service 71 Spare parts 77 T Technical specifications 83 ...

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Страница 102: ...processautomation Änderungen vorbehalten A5E00295894 05 Siemens AG 2009 Siemens AG Industry Automation IA Sensors and Communication Process Analytics 76181 KARLSRUHE DEUTSCHLAND A5E00295894 4 019169 134279 A5E00295894 ...

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