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Summary of Contents for IMES EPM-XP
- Page 1 Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 Page 1 of 50...
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Page 2: Table Of Contents
Measurements with EPM-XP _______________________________________________ 13 Visualisation software release 1.0.5.17 ____________________________________ 14 Main tool bar buttons _____________________________________________________ 14 Load measured data from EPM-XP to PC ____________________________________ 15 Load measured data from hard disc to PC ____________________________________ 15 Monitoring of combustion data _____________________________________________ 16 6.4.1... - Page 3 Accuracy check _______________________________________________________ 41 Connection of EPM-XP to pressure calibrator _________________________________ 42 Generate pressure at pressure calibrator _____________________________________ 43 Example of displayed EPM-XP values during pressure check ____________________ 44 Disconnect EPM-XP from pressure calibrator _________________________________ 44 Cleaning ____________________________________________________________ 45 Periodically cleaning ______________________________________________________ 45...
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Page 4: Introduction
1.2 Other products from IMES IMES offers a variety of products for the application of cylinder pressure measurement: HTT Cylinder pressure sensor CPS Cylinder pressure sensor... -
Page 5: Scope Of Supply
We strongly recommend you to read the complete manual before using the equipment. If you have already experience with IMES systems you may only read the relevant chapters for the required information. It was our intention to structure this manual in a clear layout, to enable you to get easy and instant access to the information you are looking for. -
Page 6: Measure Functions
Software Release l.0.5.17 2019-01-29 Up to 160 measurement data sets can be stored in the EPM-XP. The stored data can be downloaded via USB- interface to a personal computer for evaluation. The scope of supply includes software for Windows which allows additional evaluation and visualization of the collected data. -
Page 7: Operation
After display unhand immediately the push buttons to get selected mode. If user is in 4-stroke mode the EPM-XP can be switched to automatic 2-stroke mode selection after switch „On“ the user must connect the EPM-XP via USB cable to PC. -
Page 8: Operating Functions
Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 5.2 Operating functions Function Key board Display Notes push button Switch On/Off Basic settings will be dis- played after switching on: Cyl:1 = cylinder no.1 2 stroke = 2 stroke engine 4 stroke = 4 stroke engine Pmax in bar ;... -
Page 9: Installation Of Visualisation- And Usb Driver Software
5.3 Installation of visualisation- and USB driver software The scope of supply includes the IMES visualisation software on USB stick for displaying and analysing the measured data in numeric and graphic format. Hardware and software requirements... -
Page 10: Installation Of Reference Curves For Selected Load Of Man B&W Mc-C Engines
5.1 Installation of reference curves for selected load of MAN B&W MC-C engines 5.2 Start visualisation software Fig.4: USB Dongle IW 1556 Before starting visualisation software please install EPM-XP ISL Dongle (fig.4) on USB port of PC Start visualisation software by double click on icon EPM-XP Visualisation.lnk... -
Page 11: Selection Of Com Port On Pc
Fig.5: EPM-XP connected via USB cable to PC For selection of COM Port the EPM-XP should be connected via USB cable to PC and visualisation software should started with double click on desktop icon. With mouse click on “Tools” and selection “Interface” the COM port of PC will be selected. -
Page 12: Change Battery
Note: Please only use re-chargeable battery E-block type “ANSMANN 270 mAh NiMH” For to change re-chargeable battery the battery cover on the back side of EPM-XP must be opened (fig. 10,11,12). Do not change battery during charging process while EPM-XP is connect via USB cable to PC. -
Page 13: Mounting Instructions On 2-Stroke Engines
For to change engine mode 2- or 4-stroke press “2/4” to select application on a 2- or 4 stroke engine Remark: The EPM-XP has an overheating protection of measuring cell for temperature > 300 °C Remark: The EPM-XP turns off automatically after 2 minutes without pressing any push button! -
Page 14: Visualisation Software Release 1.0.5.17
Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 Visualisation software release 1.0.5.17 6.1 Main tool bar buttons Load new measurement data from EPM-XP Open stored measurement data set Save data as ASCII file (*.csv) from all measurements Print screen page Print all sceeen pages... -
Page 15: Load Measured Data From Epm-Xp To Pc
Visualization software must be started. EPM-XP must be connected via USB cable to PC Press “New” to load measurement data from EPM-XP to PC The software opens a window to name the file for storing on PC After entering a file name and storing the data will be transmitted to PC. -
Page 16: Monitoring Of Combustion Data
Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 6.4 Monitoring of combustion data Screen page Performance 6.4.1 Screen page “Cylinder pressure curve” Not displayed Indication of selected load Screen page Screen page Screen page Screen page Pcomp Balance Screen page and max. measured cylinder... -
Page 17: Indication Of All Cylinder Pressure (All) Versus Crank Angle
Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 6.4.1.2 Indication of all cylinder pressure (all) versus crank angle 6.4.1.3 Zoom -function Zoom function on: Hold left mouse button pushed down and draw across the curve from top left down to right bottom corner. -
Page 18: Cross On Function
Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 6.4.1.4 Cross On function Indication of pressure [bar] and crank angle position [CA] Cross On: Push with mouse “Cross On” button and move mouse to the position of curve Cross Off: Push with mouse “Cross Off” button 6.4.1.5... -
Page 19: Deviations For Automatic Pcomp Calculation On Two-Stroke Engines
Deviations for automatic Pcomp calculation on two-stroke engines The IMES algorithm for automatic Pcomp position calculation on two-strokes can be influenced by some noises on the pressure signal. Please check if lowest position of derivative curve is at TDC or after TDC. If lowest position of derivative curve is before TDC then Pcomp position is not correct. - Page 20 Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 3. Shift curve into optimum pos.of Pcomp by pressing button “Optimize”. All incorrect curves are shifted automatically into optimum pos.of Pcomp. Curve shifted into optimum Pcomp position 4. All curves shifted All curves shifted into...
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Page 21: Save Shifted Curves
After transferring data to PC the operator has the opportunity to delete all measurements via visualisation software or to override existing data during next measurement on the engine. Press “Delete Measurement” to delete all measurement at EPM-XP. For to delete selected measurements at EPM-XP unit please see also chapter 5.2 ! Page 21 of 50... -
Page 22: Open *.Csv Files At Excel
Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 6.4.1.9 Open *.csv files at Excel Start Excel program and open selected *.csv file ( Microsoft Office Excel Comma Separated Values File) Mark measurement data of cylinder Select diagram type Curves can be copied to own report... -
Page 23: Screen Page "Pmax Diagram
Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 6.4.3 Screen page “Pmax diagram” Pmax mean Pcomp Remark: On 4-stroke engine application Pcomp will not displayed 6.4.4 Screen page “Pmax Balance” Page 23 of 50... -
Page 24: Screen Page "Pcomp Balance
Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 6.4.5 Screen page “Pcomp Balance” Remark: On 4-stroke engine application Pcomp balance will not displayed ! 6.4.6 Screen page “IMEP” Page 24 of 50... -
Page 25: Screen Page "Imep Balance
Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 6.4.7 Screen page “IMEP balance” 6.4.8 Screen page “Performance” Selection of RPM, Pmax, Pcomp and IMEP and Ipower In this diagram the complete average of measuring values on different loads can be displayed. -
Page 26: Screen Page "Remarks
Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 6.4.9 Screen page “Remarks” The user can write in these field important remarks and save it. Manual input of scavenge air pressure of selected load in steps from 0.1 …4 bar. Press “OK” to save manual input... -
Page 27: Calculation Of Effective Power (= Shaft Power)
Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 6.4.10.1 Calculation of effective Power (= shaft power) For calculation of effective Power please enter the following data for different load from shoptest: Page 27 of 50... -
Page 28: Indication Of Effective Power In Screen Page "Engine Report
Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 6.4.10.2 Indication of effective Power in screen page “Engine report” Indication of effective Power (shaft power) 6.4.11 Pipe oscillation filter On some engines the pressure signal at low load is superposed with pipe oscillation. Pipe oscillation disturbes the software algorithm for Pcomp detection and TDC positioning. -
Page 29: Imep- And Ipower Calculation
Load measured data from hard disc to PC At first the visualization software must be started. Press “Open” to load measurement data from EPM-XP to PC. The software opened a window for to open a stored file on PC. After this procedure the selected data file will be monitored at visualisation software... -
Page 30: Enter Scavenge Air Pressure Of Selected Load
Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 6.5.1.2 Enter scavenge air pressure of selected load Enter scavenge air pressure of selected load in steps from 0.1 …4 bar and press “OK” to store in measurement file. 6.5.1.3 Indication of IPOWER and IMEP on screen page “Cylinder”... -
Page 31: Indication Of Ipower And Imep On Screen Page "Engine Report
Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 6.5.1.4 Indication of IPOWER and IMEP on screen page “Engine report” Indication of IMEP and IPOWER Total IPOWER Engine Mean values of cylinder 6.5.1.5 “Auto shift” function The “Auto shift” function allows user to shift automatic curves into selected reference curves. -
Page 32: Save A Reference Curve
Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 6.5.1.7 Save a reference curve After selecting a cylinder as a reference curve press button “Save Ref-File”. 6.5.1.8 Open reference curve for to optimize TDC position of other cylinder 6.5.1.9 Open reference curves of selected load for MAN B&W MC-C engines Please “Open REF File”... -
Page 33: Save Shifted Curves
Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 6.5.1.11 Save shifted curves After shifting all curves into reference curve please press “Save Shift” to save shifted curves and the following window will open. Page 33 of 50... -
Page 34: Example For Optimum Tdc Position On Man B&W Mc-C Engines
Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 6.5.1.12 Example for optimum TDC position on MAN B&W MC-C engines 25 % Load Example: Ref_25_load_MAN_B&W_MC-C.EXR Zoom Page 34 of 50... - Page 35 Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 50 % load Example: Example: Ref_50_load_MAN_B&W_MC_C.EXR Zoom Page 35 of 50...
- Page 36 Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 75 % load Example: Example: Ref_75_load_MAN_B&W_MC-C.EXR Zoom Page 36 of 50...
- Page 37 Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 85 % load Example: Example: Ref_85_load_MAN_B&W_MC-C.EXR Zoom Page 37 of 50...
- Page 38 Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 90 % load Example: Example: Ref_90_load_MAN_B&W_MC-C.EXR Zoom Page 38 of 50...
- Page 39 Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 100 % load Example: Example: Ref_100_load_MAN_B&W_MC-C.EXR Zoom Page 39 of 50...
- Page 40 Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 110 % load Example: Example: Ref_110_load_MAN_B&W_MC-C.EXR Zoom Page 40 of 50...
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Page 41: Free Internet Software Download
(50°C- 200°C). The values are described at calibration certificate (see fig.18). A calibration certificate is in the scope of supply with each EPM-XP unit. The EPM-XP has a very stable and long life cylinder pressure sensor type HTT. We emphasize to check calibration values of EPM-XP at pressure calibrator by hydraulic oil once a year. -
Page 42: Connection Of Epm-Xp To Pressure Calibrator
Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 8.1 Connection of EPM-XP to pressure calibrator Adjusted pressure at Connect EPM-XP unit with thompson adaptor to pressure calibrator (fig.18). calibrator Please check possible leakage at adaptor by generating pressure. Indication of pressure on EPM-XP Fig.18: Connection of EPM-XP to pressure calibrator... -
Page 43: Generate Pressure At Pressure Calibrator
Press 3 x operating key “2/4“ at EM-XP. The static pressure value will be displayed (fig.19) d) Generate pressure for example between 100- and 200 bar at pressure calibrator (fig.20) f) Check displayed pressure (fig.20) g) Compare generated pressure at pressure calibrator and displayed pressure value at EPM-XP. Page 43 of 50... -
Page 44: Example Of Displayed Epm-Xp Values During Pressure Check
EPM-XP is +/- 2.5 bar. By increasing pressure difference we emphasize to send EPM-XP unit to IMES workshop for new adjustment and calibration. The accuracy of the EPM-XP unit acc. technical data is +/- 0.5% full scale (0…300 bar) between adjusted temperature range of 50°C- 200 °C. -
Page 45: Cleaning
Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 Cleaning 9.1 Periodically cleaning Clean gas channel of thompson adaptor by compressed air periodically (see fig. 22) Fig. 22: Periodically cleaning of gas channel 9.2 Cleaning in case of hard deposit For elimination hard deposit please disconnect sensor from adaptor by using tools with wrench size 19mm and 22 mm (fig.23). -
Page 46: Cleaning Procedure Of Adaptor
Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 9.3 Cleaning procedure of adaptor Please use a drill with 2.5 mm diameter for to clean gas channel of adaptor (fig. 25 and fig. 26) Fig. 25: Drill 2,5 mm Fig. 26: Drill in case channel for cleaning Clean gas channel of adaptor with a drill 2.5 mm and clean gas channel of cylinder pressure sensor with special... -
Page 47: Check Tightening Of Sensor On Adaptor
Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 Check tightening of sensor on adaptor It must be tighten the sensor and adapter connection part firmly before measuring operation for safety of worker. Please check regularly tightening of sensor on adaptor. Use tools with wrench size 19mm and 22 mm (fig.29and fig. -
Page 48: Basic Check For Fault Finding
* If battery of standard NiMh 250 mAh type Ansmann can not be charged or available than operator can use for measurements Alkaline battery 9V for a short time. Please disconnect EPM-XP unit after transferring data to PC! Note: It is not recommended to use the Forced Charging Mode when the battery charge condition is more than 40%, due to the risk of overcharging. -
Page 49: Nomenclature
Indicated Mean Effective Pressure [bar] IPOWER Indicated Power [kW] Technical data Measuring range 0…300 bar Accuracy (EPM-XP incl HTT cylinder pressure sensor) < 0,5 % full scale Max. temperature at measuring cell 300 °C Storing capacity 160 measurements / engine Interface... -
Page 50: Declaration Of Conformity
Operation manual EPM-XP Software Release l.0.5.17 2019-01-29 Declaration of conformity Manufacturer: IMES GmbH Dr.-Herbert-Kittel-Str.2 D- 87600 Kaufbeuern Name: Electronic Indicator Type: EPM-XP Approved according to the following standards: DIN EN 61326, including DIN EN 6100-4-2 DIN EN 6100-4-3 DIN EN 6100-4-4...
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