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motcom® BeCOMS® | BCom

User Manual

Release 

130301 (revision 190211)

Page 1.5

•    One set of mechanical mounting/join adapters which includes shaft adapter 

and cover, adapter housing with bearing, interface housing and cover.

•    This manual; optionally, a backup CD with commissioning data.

•    Optional PC with BCom Data_Logger software; a CD with Logger installation 

and a soft copy of this manual.

i

BeCom Evaluator

optional PC with Logger software / printer

Mechanical adapter specific to the engine

cable set

SRE Slip Ring Encoder

BCom installation and commissioning are performed by motcom GmbH personnel 

or by its authorized partners. Installation procedure includes training for technical 

staff  at the engine site.

Fig. 1.6. Scope of delivery for BCom Professional system

Fig. 1.7. Cut out model of a sample installation

Содержание BeCOMS BCom

Страница 1: ...BeCOMS BCom Bearing Condition Monitoring UserManual Part No 1 900 00 00000 Release 130301 revision 190211...

Страница 2: ......

Страница 3: ...compliance with following norms EN 55011 2018 05 CISPR 11 2015 mod A1 2017 EN 55032 CISPR 22 EN 61000 4 2 EN 61000 4 3 EN 61000 4 4 EN 61000 4 5 EN 61000 4 6 EN 61000 4 8 66130 Saarbr cken Germany 20...

Страница 4: ...nual we offen named figures and pictures with BCom but always follow the instruction and information for BeCOMS too It is recommended to read this manual before commencing the repair assembly or commi...

Страница 5: ...Manual Release 130301 revision 190211 Page v Contents 1 System Description 1 1 2 Installation 2 1 3 Commissioning 3 1 4 Performance Maintenance Tests 4 1 5 Troubleshooting 5 1 6 Repair 6 1 7 Spare Par...

Страница 6: ...motcom BeCOMS BCom User Manual Release 130301 revision 190211 Page vi...

Страница 7: ...g Software opt 1 14 2 Installation 2 1 2 1 General 2 1 2 2 Installation Position 2 2 2 3 SRE Mechanical Adjustments 2 3 2 4 Wiring Diagram 2 4 2 5 Software Installation optional 2 5 2 6 PC Requirement...

Страница 8: ...Function Test 4 1 5 Troubleshooting 5 1 5 1 During Software Installation 5 1 5 2 During Software Use 5 2 5 3 Missing Control Signal 5 3 5 4 Very low strong signal on polar diagram 5 4 5 5 Error code...

Страница 9: ...s On diesel engines the BCom system measures and evaluates thermal voltage between the crankshaft and bearing shells signalling changes that can be interpreted as dangerous Dry friction R V Fig 1 1 Me...

Страница 10: ...r efforts and costs are minimised while early detected problems can be in most cases eliminated together with common maintenance works Thermovoltage peaks can be observed every time the engine starts...

Страница 11: ...time The BCom Evaluator monitors all changes that occur during the engine operation and triggers an alarm should these changes indicate danger Fig 1 4 High thermovoltage signal at engine start up The...

Страница 12: ...cally at tached to the free end of the crankshaft usually with a vibration damper One BCom Evaluator as the Local Control Panel where the measured values are displayed and the signal evaluation is per...

Страница 13: ..._Logger software a CD with Logger installation and a soft copy of this manual i BeCom Evaluator optional PC with Logger software printer Mechanical adapter specific to the engine cable set SRE Slip Ri...

Страница 14: ...in the engine control room The Evaluator operates reliably at temperatures between 0 C to 70 C and at relative humidity up to 80 The installation of the Evaluator is performed via 2 assembly rigs If...

Страница 15: ...keypad can be wiped with a mild cleaning agent Please never use a solvent After successful installation and testing by service technicians approved by motcom GmbH the settings of the Evaluator should...

Страница 16: ...motcom BeCOMS BCom User Manual Release 130301 revision 190211 Page 1 8 Fig 1 9 Evaluator dimensions For the exact dimensions please see under 8 3 Drawings...

Страница 17: ...4 2nd Alarm Relay NO CAN L SRE 4 5 2nd Alarm Relay COM RS485 SRE 5 6 2nd Alarm Relay NC RS485 SRE 6 7 Ready Relay NO RxD RS485 SRE 7 8 Ready Relay COM RxD RS485 SRE 8 9 Pre Alarm Relay COM GND SRE 9 1...

Страница 18: ...e engine are adapted individually for each engine type If necessary SRE can be dismounted for maintenance Info The shaft and the mounting flange are determined designed and manufactured by motcom GmbH...

Страница 19: ...witch over contact usually configured as pre alarm Ready 1 relay with 1 ground free switch over contact energized if system is fault free Interface Serial Interface RS485 for standardized industrial b...

Страница 20: ...or or via RS485 text based setup using a terminal program x x x Displays Thermosignal in alarm level x x x Displays Thermosignal AC effective in alarm level x x x Displays Thermosignal DC effective in...

Страница 21: ...lays thermosignal and mV thermosignal effective and engine speed in one y t graph x x Minimized polar diagram in the main window x Enlarged polar diagram in an own window incl integrated engine geomet...

Страница 22: ...d be shown to the operator how to make the best use of the software and to alert of safety issues that may arise The purpose of this manual is to instruct the operator how to make the best use of the...

Страница 23: ...y personnel from motcom GmbH or its authorized representatives The installation procedure includes training for the site operation personnel The commissioning data will be stored on the backup CD for...

Страница 24: ...Page 2 2 The BCom Slip Ring Encoder is installed at the end of the crankshaft of the combustion engine The evaluator can be installed in the engine room near the engine or alternatively in the engine...

Страница 25: ...d without re centering During the BCom installation the SRE has to be synchronized with the engine s crankshaft This has to be done only once This involves positioning the engine at the firing TDC see...

Страница 26: ...5 Z Daten dev_motcom eagle block wiring bcom wiring03 sch Sheet 2 6 Fig 2 2 Principle connection The cable types for power supply relay output data link and connection of the SRE sensor are shown in F...

Страница 27: ...he system specific configuration on site after BCom commissioning Please refer to BCom Data_Logger and Data_Indicator manual for information Upon request a backup CD with 1 a softcopy of this manual 2...

Страница 28: ...approx 100MB per day per BCom set supports Windows 7 8 1 and 10 mouse keyboard at least 3 PCI slots Display resolution 1280 x 1024 or higher depending on how many BCom applications running parallel o...

Страница 29: ...2 4 2 correct power supply on BCom Evaluator 3 BCom Evaluator display is on 4a correct power supply on RS 485 converter 5a green power light on 6a the RS 485 converter rate setting is correct 4b PCI c...

Страница 30: ...sonnel Turn engine to firing TDC of first cylinder number 1 at inline engine A1 at v type engine all valves must be closed Go to chapter 3 6 5 1 10 IS Impuls Offset page 3 12 at the Evaluator menu Sta...

Страница 31: ...nverts them into digital signals analyzes evaluates and displays them on its LCD display These data including detected events are continuously made available through the RS485 interface to the install...

Страница 32: ...ber is the less sensitive is the system Over speed alarm level is given in RPM Alarm sensitivity levels must be set at the BCom Evaluator If alarm conditions are fulfilled the firmware of the BCom Eva...

Страница 33: ...ed by friction With this information of fault on early stage the operator is aware of the progressing problem and has enough time for making decisions on engine maintenance and repair In case of an al...

Страница 34: ...if Over speed Alarm triggered Over speed Alarm is not being reset automatically by the system either It must be reset by pressing the RESET button at the Evaluator for 3 seconds Attention Main Alarm c...

Страница 35: ...information and settings are organised in a tree like menu The user can view the menu elements on the LC display move between them and change some system settings using Evaluator buttons Evaluator bu...

Страница 36: ...eff DCA effective value of thermovoltage in percents of DC alarm level Teff ACA effective value of thermovoltage in percents of AC alarm level Fig 3 3 BCom system measured values default screen 3 6 2...

Страница 37: ...d bars are RPM engine rotation speed in RPM Teff ACA effective value of thermovoltage in percents of AC alarm level Teff DCA effective value of thermovoltage in percents of DC alarm level Tsig DCA the...

Страница 38: ...DC the value is 1 otherwise 0 3 6 4 2 SRE advanced infos 2 ISa the current value at the A channel of incremental encoder can be 1 or 0 ISb the current value at the B channel of incremental encoder can...

Страница 39: ...press Enter the value field becomes highlighted Use and buttons to increase or decrease the number in the field or to select one of provided text values When the desired value appears in the field pr...

Страница 40: ...for Level2 Engine rotation speed in RPM which defines the boundary between RPM zone 1 and RPM zone 2 3 6 5 1 7 Start Alminhibit Time interval in seconds immediately after engine start during which th...

Страница 41: ...80 to 199 3 6 5 1 15 AC Alarm percent Scale factor for AC alarm level possible values 80 to 199 3 6 5 2 Setup CPU View and change Evaluator settings If the sublevel was entered pressing Esc restarts t...

Страница 42: ...n The screen at fig 3 9 page 3 11 appears then and the system parameters can be changed now If wrong PIN was entered text in the PIN field will be changed to P 3 6 5 2 6 Software Info Firmware version...

Страница 43: ...and OFF At the same time the values TS1 and TS2 are displayed signals from the first and the second thermovoltage measurement channels 3 6 5 3 5 Testsignal B Switch the test signal on channel B ON an...

Страница 44: ...Com Data_Indicator software is used for reading and analysing the BCom data files For further information please refer to BCom Data_Indicator user manual The daily data files created by BCom Logger ha...

Страница 45: ...ht button of the mouse A menu should pop up refer to Fig 3 11 2 Click on the option Add to Archive from the option list 3 Click OK refer to Fig 3 12 and the data file log will be automatically compres...

Страница 46: ...format RAR 2 Update mode Add and update files 3 Archiving option no tag selected 4 Compression method best 5 Volume size not limited 6 The original of the data files which have been compressed will no...

Страница 47: ...minimize all other software applications except BCom monitoring application so that you can get a clear screen without unnecessary windows at the back ground of BCom monitoring application C Select t...

Страница 48: ...t button of the keyboard hold it and move the mouse pointer to the last data files rar to be moved and c press the left button of the mouse once again and release the Shift button All the selected dat...

Страница 49: ...perience with this cetain engine type the operator can identify the exact parts that cause the high thermosignal To get reliable failure localization results a continuous time interval should be analy...

Страница 50: ...motcom BeCOMS BCom User Manual Release 130301 revision 190211 Page 3 22...

Страница 51: ...lly isolated from bearings with the lubrication oil film Test signals are visible among measurement data 2 on the stopped engine the crankshaft makes electrical contact with the bearing Test signals a...

Страница 52: ...motcom BeCOMS BCom User Manual Release 130301 revision 190211 Page 4 2...

Страница 53: ...mputer needed for the software If a Not connected message appears in the event window after you have started BCom Data_Logger the following steps may fix the problem in case the RS 485 converter is us...

Страница 54: ...a communication problem with the BCom Evaluator is depicted in Fig 5 2 below The operators should use the technical acceptable standards to trace the cause of the errors reported and skillfully fix th...

Страница 55: ...display of the Evaluator and in BCom Data_Logger at a running engine then please conduct the following steps 1 Remove the interface housing cover 2 Check whether the metal coupling inside is turning w...

Страница 56: ...g and interpretation of the signals over a longer period is important Changes of the signal could be evaluated based on the previous recorded data Based on these results suitable measures for engine o...

Страница 57: ...ion signal of the incremental encoder not connected BCom Error 32 BCom test signal dead check all connections The error codes may be summed up For example error code 20 means that the error codes 04 a...

Страница 58: ...BCom User Manual Release 130301 revision 190211 Page 5 6 Single codes 32 16 8 4 Summed up codes 12 x x 20 x x 24 x x 28 x x x 36 x x 40 x x 44 x x x 48 x x 52 x x x 56 x x x 60 x x x x Table 5 1 Code...

Страница 59: ...experience many failures can be cleared easily by fault diagnostics on site In most cases a repair is not necessary Dismounting may only be performed on demand by motcom GmbH or its authorized service...

Страница 60: ...motcom BeCOMS BCom User Manual Release 130301 revision 190211 Page 6 2...

Страница 61: ...Only the original parts supplied and approved by motcom GmbH should be used otherwise a proper working system could not be assured Part No 1 010 00 20000 Fig 7 1 Slip Ring Encoder SRE Part No 1 020 0...

Страница 62: ...Manual Release 130301 revision 190211 Page 7 2 7 2 Accessories Part No 9 100 20 00000 Part No 9 200 04 22000 Fig 7 4 RS 232 Connection cable for PC to external RS 485 converter Fig 7 5 2 x 2 twisted p...

Страница 63: ...BCom User Manual Release 130301 revision 190211 Page 7 3 Fig 7 6 2 core power cable Part No 9 200 02 00000 Fig 7 7 12 core communication cable Fig 7 8 Sub D9 connector Part No 9 301 09 10000 Part No 9...

Страница 64: ...m User Manual Release 130301 revision 190211 Page 7 4 Part No 9 300 06 10000 Part No 9 300 12 20000 Part No 9 300 12 10000 Fig 7 9 6 pol female connector Fig 7 10 12 pol female connector Fig 7 11 12 p...

Страница 65: ...ision 190211 Page 7 5 Fig 7 12 RS 485 converter Fig 7 13 Power supply unit 24V 24W Part No 9 110 40 00000 Part No 9 100 30 00000 i Mounting position for Part No 9 100 30 00000 Part No 9 110 40 00000 o...

Страница 66: ...RS 485 converter Advantec PCI Card 1602B for mounting inside PC Fig 7 15 RS 485 converter PCI Card EX42062IS for mounting inside PC Fig 7 16 RS 485 converter PCIe Card Version EX45062IS for mounting...

Страница 67: ...motcom BeCOMS BCom User Manual Release 130301 revision 190211 Page 7 7 Part No 1 700 10 01000 Fig 7 17 motcom Loganalyser Software...

Страница 68: ...motcom BeCOMS BCom User Manual Release 130301 revision 190211 Page 7 8...

Страница 69: ...WG 22 motcom GmbH Part No 92000422000 this is used as an example to show how the connection is made This cable has 2 twisted pairs of black brown and black red Cut away the outer insulation approx 25m...

Страница 70: ...x 40mm from the end of the cable and pull back the braided shield as shown in Fig 8 1 Cut the braided shield 10mm from the end see Fig 8 1 Cut away the insulation approx 5mm from the end of these 3 wi...

Страница 71: ...f wires approx 3 5mm from the end and twist them Solder brown wire of brown black pair into pin No 2 on plug Solder red wire of red black pair into pin No 3 on plug Solder black wire of brown black pa...

Страница 72: ...le Push back the braided shield Push the sealings over the wires Fig 8 4 Step 1 Sealing and strain relief Coupling nut Connector housing Fig 8 5 Step 2a Fig 8 6 Step 2b Shielding disc Shielding Solder...

Страница 73: ...using by using the installation wrench and a flat wrench No 22 Assemble the Sub D9 connector on the other side of the cable Fig 8 7 Below you ve got two pictures of the connector before and after asse...

Страница 74: ...motcom BeCOMS BCom User Manual Release 130301 revision 190211 Page 8 6 8 2 Wiring Diagrams 9 9 2015 5 46 41 PM f 0 65 Z Daten dev_motcom eagle block wiring bcom wiring03 sch Sheet 2 6...

Страница 75: ...motcom BeCOMS BCom User Manual Release 130301 revision 190211 Page 8 7 9 9 2015 5 47 12 PM f 0 65 Z Daten dev_motcom eagle block wiring bcom wiring03 sch Sheet 3 6...

Страница 76: ...motcom BeCOMS BCom User Manual Release 130301 revision 190211 Page 8 8 9 9 2015 5 47 40 PM f 0 65 Z Daten dev_motcom eagle block wiring bcom wiring03 sch Sheet 4 6...

Страница 77: ...motcom BeCOMS BCom User Manual Release 130301 revision 190211 Page 8 9 9 9 2015 5 48 02 PM f 0 65 Z Daten dev_motcom eagle block wiring bcom wiring03 sch Sheet 5 6...

Страница 78: ...motcom BeCOMS BCom User Manual Release 130301 revision 190211 Page 8 10 9 9 2015 5 48 32 PM f 0 65 Z Daten dev_motcom eagle block wiring bcom wiring03 sch Sheet 6 6...

Страница 79: ...motcom BeCOMS BCom User Manual Release 130301 revision 190211 Page 8 11 8 3 Drawings Fig 8 12 Slip Ring Encoder SRE...

Страница 80: ...motcom BeCOMS BCom User Manual Release 130301 revision 190211 Page 8 12 Fig 8 13 Slip Ring Encoder SRE with throughout shaft...

Страница 81: ...motcom BeCOMS BCom User Manual Release 130301 revision 190211 Page 8 13 Fig 8 14 BCom Evaluator...

Страница 82: ...rbr cken Phone 49 0 681 8837904 0 Fax 49 0 681 8837904 19 eMail info motcomgmbh com Internet www motcomgmbh com motcom BeCOMS BCom User Manual motcom BeCOMS User Manual en BeCOMS is a registered Trade...

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