mru optrans 1600
Contents
1. eese tenente tenentes 11 342 Lamp Control ect e D ER HERR aaa aa aqui a Nu 11 3 4 3 Detector Heater l S D ana n al u SS Dia 12 3 4 4 Adjustment eee ee eh ROI as aquel 12 3 4 5 AC Distribution p c Board 12 3 5 EXTERNALS 3 5 1 Cleaning Brush 3 52 Power ere tte Re UR RE er E P c c loce ERR UE 3 5 3 Optional Communication Harness tenente tette tenente tente tenete tenente teen 12 3 5 4 Optional Glass Attenuators zer et evt te 12 4 Communication Description 13 4 1 Serial Communication 13 4 2 Communication Interface 13 5 APPENDIX A OPTRANS 1600 Data Flow Diagram 14 6 APPENDIX B Remote control and display unit 15 MRU GmbH 7 User Manual for OPTRANS 1600 3 6 1 1 tsb 17 APPENDIX C Remote control and display unit MRU GmbH User Manual for OPTRANS 1600 4 4 1 Introduction 1 1 General This manual describes the OPTRANS 1600 230 V 24 V and 12V unit The OPTRANS 1600 for 230V has an internal mains power supply The OPTRANS 1600 for 24V 12V is equipped with an internal switching power2. E Select the real time mode and observe the opacity reading The displayed readings should be approximately 0 If this result is not observed repeat the calibration step F After Calibration was performed properly connect the probe to the tailpipe Therefore the probe should be inserted approximately 30 cm into the tailpipe unless the design arrangement of the tailpipe does not allow this deep In this case introduce the probe into the tailpipe as far as possible parallel to the tailpipe wall After inserting the probe fix the position of the probe with the clamp at the wall of the tailpipe Note Take sample into probe where probe and gas stream in parallel pm Exhaust Gas Stream Tailpipe Probe Clamp NOT OK MRU GmbH User Manual for OPTRANS 1600 2 System Requirements 2 1 General Requirements e Opacity type Partial flow e Tests Free Acceleration e Reliability 20 000 hrs e Ergonomics Light Weight Small Size e Environment Garage Environment e Electrical Interface Compatible with DOT MDOT e Software Interface Mostly Compatible with DOT MDOT e Compliance ISO 11614 draft 4 10 92 IEC 801 1 2 3 4 German PTB EO 18 09 French specification NF R 10 025 UTAC Dutch specification for Smoke Meters Version 10 1 Italian specification Gazetta Uffiziale Nr 293 del 14 12 96 UK specification MOT 07 24 Smoke 208 rev Oct 95 T V Safety GS label acc to EN 61010 C
3. present Inspect the instrument for damage scratches dents etc If the instrument is found to be damaged upon receipt notify the carrier and Sensors Europe immediately Retain the shipping carton and the padding material for the carrier s inspection and for return shipment 1 5 Installation The opacity unit is shipped with the probe detached The probe is secured by a screw clamp located on the silicone rubber hose Also included is a 20 mm brush for cleaning 1 6 Storage It is strongly recommended that the OPTRANS 1600 be packed as if for re shipment Environmental condi tions during storage and re shipment should be as follows A Maximum temperature 55 C B Minimum temperature 32 C 1 7 Repackaging for Shipment If possible use the original shipping container and packing materials Otherwise A Wrap the OPTRANS 1600 in heavy paper or plastic before placing it in the shipping container B Use plenty of packing material around the instrument and protect the front panel with cardboard or plastic bubble packing Protect the instrument with two inch rubberised foam pads placed along all surfaces of the instrument or with a layer of excelsior about 150 mm thick packed firmly against all surfaces of the instrument C Use a strong well sealed shipping container D Mark the container FRAGILE DELICATE INSTRUMENT 1 7 1 Interface OPTRANS 1600 230V and 24V 12V The OPTRANS 1600 is powered by two separate connec
4. supply and provides 12V 3 A peak 5 A for external use through the communication connector All explanations are valid for the above mentioned types Therefore the product s name is just OPTRANS 1600 Specific characteristics of the different OPTRANS 1600 types are pointed out where it is necessary 1 2 Safety Instructions NOTE This apparatus has been designed and tested as a Class 1 device according to DIN 57 411 Pt 1 VDE 0411 Pt 1 Safety Requirements for Electronic Measuring Apparatus and has been supplied in a safe condi tion The present instruction manual contains information and warnings which shall be followed by the user to ensure safe operation and to retain the apparatus in safe condition WARNING Any interruption of the protective conductor inside or outside the apparatus or disconnection of the protective earth terminal is likely to make the apparatus dangerous Intentional interruption is prohibited This device must be connected to another apparatus that has an on off switch Before switching on the appa ratus make sure that it is set to the voltage of the power supply The mains plug shall only be inserted in a socket outlet provided with a protective earth contact The protec tive action shall not be negated by the use of an extension cord without protective conductor The opening of covers or removal of parts except those to which access can be gained by hand is likely to expose live parts and high temperature compo
5. E Requirements EN 50 081 1 2 EN 50 082 1 2 2 2 Specification 2 2 1 Mechanical Size height 2 23 5 cm width 38 depth 9cm Weight 45kg 2 2 2 Electrical without internal power supply and transformer OPTRANS 1600 230V INPUT 230 VAC 10 15 0 67 Amps 50 60 Hz 12 VDC 5 0 5 Amps 12 VDC 5 0 2 Amps with internal power supply included OPTRANS 1600 24 12V INPUT 230 V version 230 VAC 10 15 0 78 Amps 50 60 Hz 24 V version 24 VAC 5 8 Amps peak during warmup 50 60 Hz 12 V version 12 VAC 5 8 Amps peak during warmup MRU GmbH 2 223 Communication To remote control and display unit 2 2 4 Environmental 2 2 5 Optical 2 2 6 Pneumatic 2 2 7 Acoustic noise 2 2 8 Opacity User Manual for OPTRANS 1600 RS232 async 9600 baud no parity 1 stop bit Working environment condition Ambient temp 5 40 Humidity Ambient pollution Storage condition Storage temp Physical path length Optical path length inner of sample cell Collimation Source light Detector Response time 1 msec Stability Balanced vacuum Probes Passenger Car Probe 10 mm ID Truck Probe Tube Temperature 53 dba Accuracy Resolution 0 1 96 2 relative 0 95 2 max 32 50 C 174 mm 364 mm 20 mm 3 Green Led 560 nm Gallium Arsenide 1 0 standard diameter
6. EMISSIONS MONITORING SYSTEMS User manual OPACITY MONITOR MRU OPTRANS 1600 PRU a F TECH DOC Optrans1600 User manual Ln aI N OpTrans 1600 DOC EMISSIONSMESSTECHNIK MRU No 58375 English MRU GmbH User Manual for OPTRANS 1600 2 2 T TAIT ORD MUCHO Pre 4 11 General 4 1 2 Safety Instructions 4 1 3 General 4 14 Unpacking and Inspection 5 1 5 Installation 5 1 6 Storage 5 1 7 Repackaging for Shipment 5 1 7 1 Interface i i A ts Sh usus 5 1 8 Operation and Probe Instruction 6 2 System uU Td eC ls 7 2 1 General Requirements 2 2 Specification 2 2 T Mechanical sua Ec 7 2 2 2 Bl cttical 55er S re e D Gnade ere OR NT 7 2 2 3 Communication aree ee Sede Su u Gaede H tert e e 8 2 2 4 8 22 5 Optical ett RR RO A URDU REDE uu a isi 8 2 6 PHCUIM ALC E 8 2 2 7 A COUSO NOISE A u U a E Q 8 2 2 8 OPAC ily NN 8 J Funcional Descriptloli HERE savasedavessssssrvsanedevwus awa iee 9 3 1 Mechanical Interface 10 3 11 Ip oM 10 3 12 MArKIDg ee pe RR RR nq ERR t a RR RE PS 10 3 13 Hose Assembly etd Ie a Ete 10 3 2 Optical Bench 10 3 3 PNEUMATICS 11 3 3 1 Sample tube M 11 3 3 2 Air u a n nuan a D ERU OPERE EEEE IR a 11 3 3 3 hru E E 11 3 4 ELECTRONICS 11 3 4 1 Microcontroller PCB inside the optical housing
7. Manual for OPTRANS 1600 17 17 611 Menu 2 3 Measurement Mode change F1 START F1 Cont Measurement F2 Modus B Change F1 2 7 STOP F1 2 6 Cancel AW OK 42 5 40 8 39 296 F2 After three measurements following Message appears If you use F1 you change the mode Done Press any key to continue Calibration must be ensued in ambient air 2 8 Measurement START F1 if READY press key F2 Mainmenu Results Calibration Zeropoint Opacity 42 5 Opacity 10 005 2 10 1 Opacity 42 5 Opacity 12 404 To Stop the continues measurement you can use any key If you use the W key you switch among the three values in the display MRU GmbH Menu Data transmit Service Data transmit Chancel User Manual for OPTRANS 1600 F1 starts the transfer of the last three values to the DELTA 1600L F2 only for Service 18 18 MRU GmbH User Manual for OPTRANS 1600 19 19 7 APPENDIX C Remote control and display unit Application with display unit HFA Optrans Optrans 1600 fi F2 Handfemarzeige Remote Display Ky OpTrans Measuring instruments for flue gases and environmental protection Ltd Phone 49 71 32 9962 0 5 i Fuchshalde 8 Fax 49 71 32 9962 20 PEE 74172 Neckarsulm Obereisesheim Internet http www mru de EMISSIOM MONITORING SYSTEMS Germany E mail info mru de
8. knife also provides a thermal barrier between the sample tube 75 C and the optical housing 45 C 3 3 3 Fans The two fans generate sufficient laminar air flow to overcome the horizontal momentum of the gas particles This prevents the optical parts lens mirror from collecting dirt The air flow also stabilizes the internal case temperature and cools the optical housing 3 4 ELECTRONICS 3 4 4 Microcontroller PCB inside the optical housing The 80C198 is a 16 bit microcontroller operating at 12 MHz Internal to the controller are the following func tions 16 bit timer 10 bit A D converter Async serial port 8 I O ports Pulse width modulator output 28 interrupt sources Multiply amp divide hardware The external architecture is designed around an 8 bit data bus and a 16 bit address bus and interfaces to a 32k RAM and 32k of ROM A15 is used to decode the two memory devices 3 4 2 Lamp Control A constant current source provides 40 mA to a green LED This circuit contains an enable line that is controlled by the processor An additional control line reduces the lamp current to approximately 20 mA This function allows the OPTRANS 1600 to perform the auto attenuation feature auto 50 linearity check MRU GmbH User Manual for OPTRANS 1600 12 12 3 4 3 Detector Heater Control A linear current supply 200 mA controlled by the pulse width modulator output 3 4 4 Adjustment Located on the Microprocessor
9. nents The apparatus shall be disconnected from all voltage sources before any adjustment replacement or mainte nance and repair during which the apparatus shall be opened If afterwards any adjustment maintenance or repair of the opened apparatus under voltage is inevitable it shall be carried out only by a skilled person who is aware of the hazard involved Make sure that only fuses with the required rated current and of the specified type are used for replacement The use of mended fuses and the short circuiting of fuse holders shall be avoided Whenever it is likely that the protection has been impaired the apparatus shall be made inoperative and be secured against any unintended operation 1 3 General The Opacity Transducer OPTRANS 1600 is designed to measure the smoke emissions of diesel cars and trucks The OPTRANS 1600 uses the partial stream technique which provides for direct and continuous measurement of the smoke sample This technique measures the amount of light blocked by the sample on a scale of zero opacity to black with zero obscurity indicating no smoke in the sample cell and black indicating that the tube is completely blocked Design criteria conform to French NF R 10 025 the German PTB EO 18 09 ISO 11614 draft and ECE R24 Annex 8 9 specifications MRU GmbH User Manual for OPTRANS 1600 5 1 4 Unpacking and Inspection A shipping carton that appears damaged should be inspected and unpacked with the carrier s agent
10. ommand set defines the serial communication Baud Data Bits Stop Bits Parity 9600 8 1 none 4 2 Communication Interface The serial communication connector on the OPTRANS 1600 is an AMP CPC 14 pin device with pin assignments described below separated for each style of OPTRANS 1600 The cable shield MUST be connected to pin 14 Chassis Ground for proper operation DO NOT connect the shield to the metal connector housing alternate construction for the plastic type OPTRANS 1600 230V Pin 2 Pin 3 Pin 8 Pin 11 Pin 12 Pin 13 Pin 14 OPTRANS 1600 12V Pin 2 Pin 3 Pin 8 Pin 12 Pin 14 Rx into OPTRANS 1600 Tx from OPTRANS 1600 12 V 1 0 Amps for fans required if no internal transformer 12 V 0 2 Amps Digital Signal Ground 12 V 0 8 Amps for electronic p c Boards Chassis Ground Braided Shield Rx into OPTRANS 1600 Tx from OPTRANS 1600 12 V for external device Digital Signal Ground Chassis Ground Braided Shield MRU GmbH User Manual for OPTRANS 1600 14 14 5 APPENDIX A OPTRANS 1600 Data Flow Diagram Input Led Intensit in ADC counts Ambient temperature compensation Output Relative Intensity RI Raw Data 8B commands not corrected for ical h optical length customized filter Output Length corrected filtered N 10 Conversion opacity N to k m In 1 290 pza 100 1 k intensity In natural logarithm
11. opacity opacity 1 430 mm The readings in percent from the OPTRANS 1600 to the display are optical path length corrected to match 430 mm unless it is mentioned differently in this manual e g command Ox8b and Ox8c MRU GmbH User Manual for OPTRANS 1600 15 15 6 APPENDIX B Remote control and display unit Front view off on Arrow key Switch ON OFF rl unction key RS 232 3 n Arrow key Function key 2 Handfemonzeige mWU uum yo OpTrans MRU GmbH User Manual for OPTRANS 1600 16 16 Functions 1 Switching the remote display on following messages appears MRU OpTrans if READY press F2 key 11 Calibration must be 2 remote display 1 2 ensued in ambient 2 Ifthe remote display is switch on without connection to the OpTrans Trancduser not ready Transmission error Please wait w LCS not found w 3 If the Optrans is connected but the instrument is still in warm up mode following message appears low tube temperature WARM UP If the warm up is finish the van of the OpTrans starts Calibration must be if READY ensued in ambient air press key F2 Now the measuring mode can start with F2 Calibration Zeropoint After few seconds the instrument switches in the main menu If you use the AW keys you can change among three modes Mode change 1 Data transmit 1 2 1 Measurement Cont Measurement F2 Service F2 START F1 MRU GmbH User
12. p c Board is the detector gain potentiometer which is factory adjusted to 3 5 4 0 V The maximum tolerance range for the field is 2800 mV 4600 mV 3 4 5 AC Distribution p c Board This board contains the electrical interface between the processor and the sample tube heater for 230 VAC amp 12 VDC An optional transformer converts 230 VAC into 12 VDC to power the fans An optional AC DC converter provides the 12 VDC for the electronics and fans when in external 230 VAC only mode 3 5 EXTERNALS 3 5 1 Cleaning Brush Stainless steel twisted wire with nylon bristles Flexible enough to enter the sample tube via the air knife opening 1 5 radius bend 3 5 2 Power Cord External 230 Vac power cord with IEC320 plug and receptacle 20 feet in length 3 5 3 Optional Communication Harness The external communication harness consists of an AMP CPC 14 Pin connector male that interfaces the OP TRANS 1600 to the remote display unit The cable is shielded for suppressing high frequency emissions and braided for durability 3 5 4 Optional Glass Attenuators High precision glass attenuators fitted in a metal frame for certification purpose are available upon request For measuring attenuators special commands are to be used MRU GmbH User Manual for OPTRANS 1600 13 13 4 Communication Description 4 1 Serial Communication The serial communication is performed between the OPTRANS 1600 and a remote display unit The following c
13. s and lengths optional 75 C nominal User Manual for OPTRANS 1600 MRU GmbH 3 Functional Description jsneyxe yndsny moj jemed ejogued Jouu jeBeidsxuoqun x IS nit uniuosu 4 j moy jemed jsneyxe pesui uogeique Josues aunje eduia JosuesunjeJeduia Moy HHH usa yniuosu 4 43418934 1460 Jebugjduiequpr JepnusueJ 146i Jepuesqiuor MRU GmbH User Manual for OPTRANS 1600 10 10 3 1 Mechanical Interface 311 Design The unit is a true Smoke Bench design It consists of a metal frame carrying all electrical and mechanical com ponents The frame is designed to be incorporated into a customized housing The values are available in the handheld display 3 1 2 Markings The serial number tag and logo are located on the bottom of the connector plate The connector plate is black anodized The surrounding screws are zinc plated clear 3 1 3 Hose Assembly The car probe consists of a stainless steel probe and silicone hose material A handle and clamp assembly is attached to the probe in order to affix the probe to the tailpipe 32 Optical Bench The optics is based on a folded light path and consists of a green LED detector mirror convex lens and a beam splitter With the source positioned 90
14. to the optical axis and the beam splitter at 45 the light is reflected by the beam splitter and collimated by the plano lens It travels through the sample tube and is reflected at the mirror located on the opposite side From there it travels back through the sample cell and the lens straight to the detec tor Included in the optical housing is the detector heater that maintains the detector at 45 The sample tube is heated to 75 C to avoid condensation as well as to eliminate autozero errors caused by a change in intensity due to refraction of light at different temperatures Also this guarantees a minimum tempera ture in all location of the sample cell of gt 70 C MRU GmbH User Manual for OPTRANS 1600 11 11 3 3 PNEUMATICS 3 3 4 Sample tube The sample tube provides the means of containing the flow of gas in order to be optically measured while heat ing the sample to prevent thermal phoretic deposition The length of the tube and the diameter geometrically determines the collimation of light to be measured The tube is threaded to further reduce surface reflections 3 3 2 Air Knife System The Air Knife System physically connects the sample tube to the optical housing assembly Located inside and immediately above the sample tube outlet is a 2 54 mm diameter pin This pin causes a venturi effect creating a slight vacuum for air flow without load This process allows the sample chamber to purge prior to a calibration The air
15. tors located on each side of the unit The 230 VAC connector is an IEC 320 style that supplies power to the fans heaters and an isolation transformer The 12 VDC power is supplied on the opposite side via a AMP CPC 14 pin connector unless the unit is equipped with the optional Internal Power Supply OPTRANS 1600 The AMP CPC 14 pin connector also includes the RS232 transmit and receive line to communicate to the display OPTRANS 1600 24V 12V The OPTRANS 1600 24V 12V has in addition an internal switching power supply that provides another 12 VDC power to an external electrical device This power is connected to pin 8 of the AMP CPC connector on the backside of the unit MRU GmbH User Manual for OPTRANS 1600 6 6 1 8 Operation and Probe Instruction The OPTRANS 1600 is operated in three different modes The first two methods display the real time data on a screen in order to visually observe exhaust opacity and other internal OPTRANS 1600 measurements The third method is used for acceleration testing and records opacity for ten seconds prior to or while upload ing the data to a host computer Refer to Section 5 for software implementation of all three methods The following procedure insures that the OPTRANS 1600 is operating properly A Apply AC and DC power B Determine that both fans are operating Fans are disabled during warmup for approximately 3 8 minutes C Remove the probe from the tailpipe D Calibrate the OPTRANS 1600
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