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User Manual - ProvibTech

1. E 14 ETT 15 VICIT 2 IR EE D E TO SE 22 SYSE EE 25 Modity Bir irs BEY SNR 26 Patr EE Eege 27 C K a a 28 Upload P12 060 Information sssini r r UAE EEE EETA DREE Eei 31 Modify Ke e E 33 PG die CSS EISE ISI NN TIT 34 e N NMMTMHHM 35 Pe PIT EUM E 41 SIC CAE P 43 E E T 44 le M 44 PCM370ForP 120600 EE 45 PPC OTL Eege 45 eet ee EE 45 No PT2060 Racks ate found mE kn nE 45 Communication S 46 Communication Fallet E 46 ne e 48 ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 1 PCM370ForPT2060 Plant Condition Management System PCM370ForPT2060 Introduction Introduction PCM370ForPT2000 is a type of plant condition monitoring system that is specially designed for PT2060 Rack PT2060 Rack can be automatically integrated into the PCM370ForPT2060 system Similarity with other plant condition monitoring systems from ProvibTech PCM370ForPT2000 can collect store analyze the data from PT2060 Rack and also it is capable of transmitting the machine status informat
2. Relative Transducer A proximity probe observing shaft motion relative to the probe mounting usually the bearing or bearing housing ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 60 PCM370ForPT2060 Plant Condition Management System Repeatability The ability of a transducer or readout instrument to repeat measurements under the same conditions within narrow limits Precision is the measure of repeatability Resolution The smallest change in applied stimulus that will produce a detectable change in the instrument output Resonance The condition in which a forcing frequency coincides with a natural frequency of the system A resonance typically is identified by an amplitude peak accompanied by a maximum rate of change of phase lag angle See Balance Resonance Speed Rod Drop On a reciprocating compressor the measurement of the position change of the piston rod relative to a fixed reference point as the piston drops in the cylinder due to piston rider ring deterioration The position measurement can indicate either the average position of the rod over the full stroke or the instantaneous position of the rod at a specific point in the stroke Rod Drop Average Position On a reciprocating machine the measurement of the average position change of a piston rod over the full stroke of the piston relative to a fixed reference on the cylinder This measurement is usually ac
3. Mechanical Equipment Standards for Refinery Service American Petroleum Institute Washington D C ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 67
4. 192 168 1 1017 192 168 1 102 192 168 1 103 and 192 168 1 104 So you should enter 192 168 1 100 in field of Starting IP v Port Default value is 502 Click OK button on Search Option window after the setting and then PCM370ForPT2060 will upload information of the PT2060 Racks ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 31 PCM370ForPT2060 Plant Condition Management System Upload PT2DBO No 3 Information B NOTES 1 When the PT2060 Racks use MODBUS RTU transmission mode and PCM370ForPT2060 can t scan any PT2060 Racks you will see following window PCM370ForPT2060 E X Mo PT2060 devices are found Please check the settings an communicatoin parameters Baudrate 19200bps parity DEN Stop bits 2 When the PT2060 Racks use MODBUS TCP transmission mode and PCM370ForPT2060 can t scan any PT2060 Racks you will see following window PCM370ForPT2060 X A Mo PTZ060 devices are Found Please check the settings op Starting IP and Port ces 3 When PCM370ForPT2060 find the PT2060 Racks by the two transmission modes and the uploading fails due to some error you will see following window PCM370ForPT2060 IB x e Communication error m 4 When the uploading succeeded you will see following window PCM370ForPT2060 Ed 1 Upload complete ces 5 Ifthe information in PT2060 Racks is changed you should re
5. 2 shows the last sample s measure value of the channels under the selected PT2060 Rack It also shows the color indication of the channels trend plot 3 3 shows the history trend plot of the channels under the selected PT2060 Rack 4 The yellow rectangle displays the measure value and collected time of the selected sample on the trend plot 4 shows time slider date picker time picker and Refresh button You can use the time slider to change the starting time range of trend plots Also you can use date picker and time picker to change the starting time of trend plot After you change the date and time you should click Refresh button to refresh the data and time on the trend plot window 6 Magnify It is used to zoom in the trend plot Click this button and drag a rectangle the plot in this rectangle will be magnified 7 Restore Click it to restore the magnified plot to original size 8 Pre button and Next button A page can display maximum 16 channels history trend plot If the total channel number exceeds 16 you can use Pre button and Next button to go to other pages for additional channels trend plot 9 Print Click it to print the current trend plot window 10 Return Click it to back to the main window ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 40 PCM370ForPT2060 Plant Condition Management System wre evr Alarm List PCM370ForPT2060 softwar
6. Blade Passing Frequency A potential vibration frequency on any bladed machine turbine axial compressor fan propeller etc It equals the number of blades on a disk or stage times shaft rotative speed Bode Plot A pair of graphs in Cartesian format displaying the 1X vibration vector phase and amplitude response as a function of shaft rotative speed The Y axis of the top graph represents 1X phase lag angle while the Y axis of the bottom graph represents 1 X amplitude The common X axis represents shaft rotative speed Sometimes called an imbalance response plot Also used for 2X 3X ETC Vibration response vectors Bow A shaft condition such that the geometric shaft centerline is not straight Usually the centerline is bent in a single plane due to gravity sag thermal warpage etc however the bow may be three dimensional corkscrew Shaft bow can be detected by measuring the shaft relative displacement with a proximity probe s at rotor slow roll speed See Eccentricity Peak to Peak Calibration Weight Used in rotor balancing procedures a weight of known magnitude which is placed on the rotor at a known location under known operating conditions in order to measure the resulting change in machine 1X vibration response In effect such a procedure calibrates the rotor system a known input is applied and the resultant output is measured for its susceptibility to imbalance Sometimes called trial weight Campbell Diagr
7. TEM w mm ww o 9 4 Other Plots and Lists Display Double clicking will launch Diagram Selection window x Channel Diagram Selection Real Time Trend Plot History Trend Plot C Alarm List C Status List OK Cancel View real time trend plot of the selected channel Check Real Time Trend Plot and then click OK Following picture shows you the real time trend plot window of the selected channel ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 16 i 1 shows the title of the trend plot It is described as slotNo ChChannel No ii 2 shows the real time measure value of the selected channel It also shows the color indication of the channel s trend plot iii 3 shows the color indication for each status bit iv 4 shows the trend plot of the status bits v Redline on the upside shows danger set point yellow line shows alert set point blue line shows measure value of this channel vi Acknowledge Confirm Click it to acknowledge the alarm vii Pre Click it to view real time trend plot of the previous channel If the current channel is the first channel this button will be disabled viii Next Click it to view real time trend plot of the next channel If the current channel is the last channel this button will be disabled ix Print Click it to print the current trend plot window x
8. Typically forced vibration has the same frequency at that of the exciting force Free Vibration Vibration response of a mechanical system following an initial perturbation change of position velocity or force Depending on the kind of perturbation the mechanical system responds with free vibrations at one or more of its natural frequencies Frequency ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 54 PCM370ForPT2060 Plant Condition Management System The repetition rate of a periodic vibration per unit of time Vibration frequency is typically expressed in units of cycles per second Hertz or cycles per minute to more easily relate to shaft rotative speed frequency In fact since many common machine malfunctions produce vibration which has a fixed relationship to shaft rotative speed vibration frequency is often expressed as a function of shaft rotative speed 1X is a vibration with a frequency equal to shaft rpm 2X vibration is twice shaft rpm 0 5X is a frequency equal to one half shaft rpm etc Frequency Component The amplitude frequency and phase characteristics of a component of a dynamic signal Frequency Response The measured amplitude and phase response characteristics of a mechanical or electronic system with respect to frequency g The value of acceleration yielded by the force of earth s gravity which varies somewhat with latitude and elevation By i
9. Available Channel If you select a PT2060 Rack all channels under this rack are displayed Left shift button gt gt Right shift button Trend Plot Type Name In this field you should enter the name for the new custom trend type Maximum length of the custom trend type name is 31 characters Selected Channel This field lists the selected channels Channel Name You can change the name of the selected channel in this field by clicking the channel in Selected Channel List If you select a channel from Available Channel list and click lt lt to move it to Selected Channel the full name of the selected channel will be displayed in this field Maximum length of the channel name is 9 characters If the channel name length exceeds 9 characters PCM370ForPT2060 will automatically throw off the part that exceeds 9 characters and save the anterior 9 characters as the channel name PCM370ForPT2060 wl AN The channel name is too large Notice The length of channel name should be From 1 Fa 3 Example to add a new trend plot type Step1 Select the PT2060 Rack Step2 Select the channel in the Available Channel list and click to add this channel to Selected Channel list You can change the name in edit box of Channel Name You should control the length of the channel name in 9 characters Step3 Repeat Step and Step until you add all the channels you want Step4 Enter the name for the new custom trend plot type in edit box of
10. C PCM370ForPT2060 vibrate ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 22 PCM370ForPT2060 Plant Condition Management System Please select the backup path of the database File 3 MSN Cj MSN Gaming Zone C3 National Instruments ic NetMeeting C3 Online Services C Outlook Express E L ProvibTech LH PTZ060 CFG C3 web Publish 9 Windows Media Player C3 Windows MT Make Mew Folder j OK ia Cancel j E Restore Database button Use this command to restore the current database to a backup database Click Restore Database button and then select the path of the backup database Please select the restore path of the database File Seen E EE MSN Gaming Zone Ee National Instruments C403 NetMeeting L ic Online Services oof Outlook Express BHG ProvibTech Bp PcMaTO ERE PCM370ForPT2060 is OK j Cancel i If the database file is saved under path of C PCM370ForPT2060 you should select the path of C PCM370ForPT2060 vibrate Clear Database button Use this command to empty the current database Click Clear Database button and CAUTION window is launched ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 23 CAUTION AN Clearing database Will remove all data PCM370ForPT2060 should re upload device informatio
11. PCM370ForPT2060 Plant Condition Management System common application is casing expansion measurement where the core is attached to the casing and the transformer LVDT housing is attached to the machine foundation Also used for valve position measurements Mechanical Runout A noise component in the output signal of a proximity probe transducer system a probe gap change which does not result from either a shaft centerline position change or shaft dynamic motion Common sources include out of round shafts scratches chain mark dents rust or other conductive build up on the shaft stencil mark flat spots and engravings See Runout and Electrical Runout Micro inch A unit of length or displacement equal to 10 6 inches or 10 3 mils Micro metre A unit of length or displacement equal to 10 6 metres One micro metre equals 0 0394 mil Also called micron obsolete Micro Prox A high sensitivity ProvibTech Proximitor used to accurately and rapidly measure probe gap changes of a few micro inches Mil A unit of length or displacement equal to 0 001 inch One mil equals 25 4 micrometres Mode Shape of the Rotor The deflected shape of a rotor at a specific rotative speed caused by an applied specific forcing function such as imbalance Note this is a three dimensional presentation of rotor lateral See Lateral Vibration deflection in vibration mode along the shaft axis Modulation Amplitude AM The process whereby va
12. Trend Plot Type Step5 Click OK Modify button Select the custom trend plot type in Custom Trend Setup window and then click Modify button ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 29 PCM370ForPT2060 Plant Condition Management System Nodify Trend Plot Type i x Trend Plot Type Name Select Device PT2060 No 1 Avaliable Channel PT2060 No 1 Slot2_Ch1 PT2060 No 1 Slot2_Ch2 PT2060 No 1 Slot2_Ch3 PT2060 No 1 Slot2_Ch4 PT2060 No 1 Slot3 Chi PT20850 No 1 Slot3 Ch2 No 1 No 1 No 1 No 1 No 1 Selected Channel PT20B0 No 1 Slot3 Ch3 PT20B0 No 1 Slot3 Ch4 PT20B0 No 1 Slot4 CH PT20B0 No 1 Slot4 Ch2 PT20B0 No 1 Slot4 Ch3 PT20B0 No 1 Slot4 Ch4 n PGRI 15 CAE Li Channel Name Cancel In the window you can change the name of this custom trend plot type And you can change the name of the channels contained in the current custom trend plot type Also you can change the channel member in the custom trend plot type adding new channels or deleting some channels Delete button Select the custom trend plot type in Custom Trend Setup window and then click Delete button If you are sure to delete the selected trend plot type please click Yes on the below window PCM370ForPT2060 x 1 2 Confirm to delete this trend type ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provib
13. C3 IT JII D e 3 j U l 5 RS485 lt gt 232 d an PCM370ForPT2060 _ k CH AY 7 PT2060 RACK SONIS SOME N L PYSPISPISPEISSI SETSPI SB 8 S M le d dS le R8485 COM Port Be ATE frm ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 5 Field Wiring Diagram 3 Modbus TCP PCM370F orPT2060 PCM TOUCH RJ45 oo gt D HUB RJ45 PCM370ForPT2060 Plant Condition Management System PT2060 RACK ig d itini MEA I QOUO Jg m lra leS lea Ie IS aa L EE C E 8 c Si e Ar J M c Mw i M vi Fui Fai IR 3 3 3 fa Fai 131 M ProvibTech 6 Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com PCM370ForPT2060 Plant Condition Management System Install PCM370ForPT2060 Software Put the installation CD into CD driver supposing that the CD driver is G and then double click file of Setup exe in directory of G PCM370ForPT2060 Setup to start this installation program l Show welcome information Click Next to continue Installing FCESTOForFT2060 Plant Condition Management Sys il Welcome to the InstallShield Wizard for PCH 370ForPT 2060 The InstallShield Wizard will install PCM SYOForPT 2060 on your computer To continue click Met 2 Click Browse button to select a destination folder or use the default fol
14. Password Return NOTE PCM370ForPT2060 software stops data collection when it is in configuration state ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 21 PCM370ForPT2060 Plant Condition Management System Database Management Click Database Management button on configuration window to open DB Management window DE Banagement i X Delete Channel Data Backup Database Restore Database Clear Database Delete Channel Data button Click this button to open Delete Channel Data window In this window you can delete one or more channels data Delete Channel Data x Device Name PT2060 No 1 Channel Name L Slot1 Chi Cl zo Ch2 S ot Ch3 L1Slot1 Ch4 L 1Slot2 Chi 15 ot2 Ch2 153 ot2 Ch3 13 ot2 Ch4 13lot3 Ch1 15 ot3 Ch2 Cl OLI oil Select All Delete Data Select a PT2060 Rack from Device Name list Check the name of the channel of which data you want to delete and then click Delete Data button to delete the selected channels data If you want to delete all channels data you can directly check Select All and then click Delete Data button Backup Database button Use this command to backup the current database Click Backup Database button and then select a backup path If you select the path C PCM370ForPT2060 the database will be saved as
15. Racks that are being monitored by PCM370ForPT2060 software Each PT2060 Rack is described with status lightt tPT2060 No Rack slave address that just looks like below picture e PT2060 No 1 PT2060 No 2 Clicking a PT2060 Rack from Device Bar Bar Graph Tab will show bar graphs of channels under PT2060 10 PT2060 20 PT2060 30 and PT2060 53 modules of the selected PT2060 Rack NOTES 1 The PCM370ForPT2060 software could monitor maximum 5 PT2060 Racks at the same time And the total number of PT2060 10 PT2060 20 PT2060 30 and PT2060 53 modules in all PT2060 Racks should be less than or equal to 32 2 Light color indication v Green Normal Status v Yellow Alert Status v Bed Danger Status v Flashing Alarm happened but hasn t been acknowledged ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 14 PCM370ForPT2060 Plant Condition Management System Bar Graph Clicking a PT2060 Rack from Device Bar Bar Graph Tab will show bar graphs of channels under PT2060 10 PT2060 20 PT2060 30 and PT2060 53 modules of the selected PT2060 Rack A bar graph page can have bar graph of maximum 24 channels If the total channel number exceeds 24 you should go to other pages for additional bar graphs C Proviblech PCM370ForPT2060 Plant Condition Management System PT2060 No 3 PT2060 No 3 PTZOGO No 3 PTZOGO No 3 PT20G0 No 3 PTZOGO NO 3 PTZOGO NO 2 PT2060 No 3 PT2060 N
16. Return Click it to back to the main window View history trend plot of a custom trend plot type Directly click Trend Plot on the main window and a menu pops up The custom trend plot types that have been defined on Custom Trend Setup window are listed on the menu ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 37 For example we have defined a custom trend plot type that is named Slot5 and you should select Slot5 History from the list The real time trend plot window of the custom trend plot type Slot5 is below S i ewer 2 10 2008 1 tage E I C 74 T NOTES 1 I shows the title of the trend plot It is described as custom trend type name History 2 2 shows the last sample s measure value of the channels that are contained in the selected custom trend type It also shows the color indication of the channels trend plot 3 3 shows the history trend plot of the channels that are contained in the selected custom trend type 4 The yellow rectangle displays the measure value and collected time of the selected sample on the trend plot 4 shows time slider date picker time picker and Refresh button You can use the time slider to change the starting time range of trend plots Also you can use date picker and time picker to change the starting time of trend plot After you change the date and time you
17. at the first time PCM370ForPT2060 software will automatically collect the data You must click Acknowledge Alarm button to acknowledge the alarm event Because if you don t acknowledge the alarm when the alarm happens next time PCM370ForPT2060 software will not collect the data If the un acknowledged alarm exists the light color before the alarmed PT2060 Rack or the bar graph of the alarmed channel will keep flashing ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 34 PCM370ForPT2060 Plant Condition Management System Trend Plot PCM370ForPT2060 software displays two types of trend plots real time trend plot and history trend plot Moreover PCM370ForPT2060 software supports displaying trend plot of a single channel a custom trend plot type and all channels under a PT2060 Rack Following figure shows you the detailed classification of the trend plot Real time trend plot History trend plot Real time Real time Real time trend plot of a trend plot of a trend plot of History trend History trend plot of a plot of a History trend plot of all channel custom trend channek plot type channel custom trend all chank under a PT2060 Rack plot type under a PT2060 Rack For more details about real time trend plot and history trend plot of the single channel you could refer to chapter of Bar Graph View real time trend plot of a custom trend plot type Directly cl
18. click Reboot 5 InstallShield Wizard Complete Setup has finished installing PEM ar OF or PT 2060 on your computer Back Cancel ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 9 ave PCM370ForPT2060 Plant Condition Management System evr Uninstall PCM370ForPT2060 Software There are two methods for you to uninstall PCM370 System Method 1 Directly select All Programs PCM370ForPT2060 Uninstall Method 2 Select All Programs Control Panel Add or Remove Programs to open the Add or Remove Programs window Select PCM370ForPT2060 in Change or Remove Programs tab and click Change Remove button KE kd amp Currently installed programs T Show updates Sort by Name Change or l Remove p FTDI USB Serial Converter Drivers Programs 9 Intel R 845G Chipset Graphics Driver Software Size 2 24MB IG IVI Shared Components IM i9 Microsoft NET Framework 2 0 Size 88 36MB Programs C3 Microsoft Office Professional Edition 2003 Size 371 00MB fan Bg Microsoft SQL Server 2000 Size 118 00MB a Add Remove Microsoft Visual Studio 6 0 Enterprise Edition Size 279 00MB Windows CAS Components SR Microsoft Web Publishing Wizard 1 53 National Instruments Software Size 7 20MB s g PCM360 DAQ amp R COM Size 0 84MB Set Program eil ME PCM360 Database Manager Size 0 80MB Defaults Ka PCM360 Display Size 117 00MB 9 Pcm370 De
19. filter a vibration signal at rotative speed 1X frequency or 2X or other single frequency especially under transient rotor speed conditions Among other functions a vector filter provides the dc proportional signals shaft centerline Velocity The time rate of change of displacement Typical units for velocity are inches second or millimeters second zero to peak Velocity measurements are used to evaluate machine housing and other structural response characteristics Electronic integration of a velocity signal yields displacement Velocity Transducer An electromechanical transducer typically of inertial design used for measuring bearing housing and other structural absolute vibration Seismoprobe is a ProvibTech registered trademark for this type of velocity transducer Velomitor A piezoelectric velocity sensor with no moving parts that contains an accelerometer crystal and a built in amplifier integrator This type of seismic sensor is used for casing vibration measurements on rotating machinery equipped with rolling element bearings and frame vibration measurements on reciprocating machinery It measures absolute vibration relative to free space Also see Seismic Transducer ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 66 PCM370ForPT2060 Plant Condition Management System Vibration The oscillatory back and forth motion of a physical object Vibration For
20. may appears when PCM370ForPT2060 software works in displaying status Link Information x Communication failed Firstly you should check the connection between computer and PT2060 Rack Secondly restart the PCIMG TFarPT20BU software Cancel ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 46 PCM370ForPT2060 Plant Condition Management System Please check v The PT2060 Racks are powered v All cables are good v The parameters on PT2060 Racks match the parameters on PT2060 Racks After checked the connection between computer and PT2060 Racks please re start PCM370ForPT2060 software ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 47 PCM370ForPT2060 Plant Condition Management System Appendix Glossary This glossary is a partial list of terms and definitions used in the field of rotating machinery measurement monitoring and analysis These definitions are not universal but are expressed in the context of this specialized field In some instances ProvibTech Corporation has redefined terms from other technical fields for its own purposes Alphabetical Index Abbreviations Absolute Vibration Vibration of an object as measured relative to an inertial fixed reference frame Accelerometers and velocity transducers measure absolute vibration typically of machine housings or structures thus they are referred to as
21. seismic transducers or inertial transducers Acceleration The time rate of change of velocity For harmonic motion this is often expressed as g or a Typical units for acceleration are feet per second per second ft s2 meters per second per second m s2 or more commonly g where g acceleration of earth s gravity 386 1 in s2 32 17 ft s2 9 81 m s2 Acceleration measurements are generally made with piezoelectric accelerometers and are typically used to evaluate high frequency machine casing or bearing housing response characteristics Accelerometer An accelerometer is an inertial transducer which converts the acceleration characteristic of vibration into a proportional electric signal Acceptance Region Trend information of the 1X or 2X vibration vectors amplitude and phase lag angle presented in polar format or the shaft average centerline position in Cartesian format The user defines the normal Acceptance Region for each shaft radial vibration or position measurement on the machine based on historical data for the machine under all normal operating conditions Some systems provide hardware and or software alarm Alert and Danger set point capability Alarm set points are set independently for maximum and minimum values of both amplitude and phase Acceptance Region information is the most important indicator of a shaft crack Aero derivative Aircraft jet engines that have been adapted and modified for industrial use Al
22. should click Refresh button to refresh the data and time on the trend plot window ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 38 PCM370ForPT2060 Plant Condition Management System 6 Magnify It is used to zoom in the trend plot Click this button and drag a rectangle the plot in this rectangle will be magnified 7 Restore Click it to restore the magnified plot to original size 8 Print Click it to print the current trend plot window 9 Return Click it to back to the main window View history trend plot of all channels under a PT2060 Rack Select a PT2060 Rack for example PT2060 No 3 on the Device Bar Click Trend Plot on the main window and a menu For example you select PT2060 No 3 History from the list The history trend plot window of the selected PT2060 No 3 is below N k i s D A d x i 2 A 120 2008 15 45 07 12 10 2008 15745 fan og M es Sl LN Gestion Bibl Pred Hater NOTES 1 I shows the title of the trend plot It is described as PT2060 No rack salve address History ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 39 PCM370ForPT2060 Plant Condition Management System 2
23. to transducers the direction of output signal change positive or negative caused by motion toward or away from the transducer in its sensitive axis Convention is that motion toward the transducer will produce a positive signal change Polar Format A graphical format consisting of a center reference point surrounded by concentric circles Vector information is graphed on this format by plotting magnitude vibration amplitude as the length of a radial line and phase vibration phase lag angle as the clock position of the line Polar Plot Polar format presentation of the locus of the 1X or 2X shaft vibration vector from a single channel as a function of shaft rotative speed The Polar Plot is generated by in phase and quadrature signals usually during machine startup or coast down transient operation This plot is sometimes incorrectly called a Nyquist Plot Preload A unidirectional radial side load due to external or internal mechanisms Categorized as a soft or hard preload A soft preload may shift in direction or magnitude and can act to stabilize or destabilize the dynamic condition of the machine A hard preload is usually fixed and acts to stabilize Prime Spike In the study of rolling element bearings a frequency range which encompasses as a minimum the primary bearing fault frequencies and harmonics ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 59 P
24. um AE 12 10 15 TWD FTAEL Ma Zap Chl Aler 200 12 10 15 45 11 PTAH 3 Sloth Chi Alen EZ 18 um 25 00 um 75 00 um ZDF 2 HE 13 45 11 FTAEL MO Slots Chi blen E ve 2008 12 10 15 45 13 FT20GD Ho 3 Slat5 Chi Alen BZ 15 um 25 00 um 75 00 um ZUDI Te DO 15 45 13 PLAIN Jj Sin Ch Pieri z008 12 10 15 48 21 PTA Hi Hot Chi Alert E215 wm 2500 um 75 00 um ZO00 12 10 15 45 21 PTA Ho MSti Chi Ale ZUDE 12 10 15 46 22 FTAEL Ma Zap Chl Alert EZ 19 uri 25 LU um 25 DEI vm POE 12 10 15 45 22 PTAH 3 Sloth Chi Alen ADB I 2 1 15 45 D FTAXEL Ma Zo Chi Alert EZ 19 um 25 LU um 75 00 um POE 12 1 15 46 29 PTA Ho Ha Chi Alen ZU Ts Hr 15 45 24 FTAEL MO Jj Sin Ch Pieri BZ 19 um zh LU um Zb DEI um z008 12 10 15 45 24 PTAH Hota Chi Alger SO 12 10 15 45 25 PTA Ho MSti Chi Ale GZ 18 um 25 00 um 75 DO um AE 1 2 10 15 45 25 FTAEL Ma Zap Chl Elei 200 12 10 15 45 26 PTAH 3 Sloth Chi Alen EZ 18 um 25 00 um 75 00 um AL Di 15 45 05 FTXED Ma 3 SIath Chi Alert SOE 12 10 15 45 77 PT ZpONo 2210 Chi Alert EZ 15 um 25 00 um 75 00 um ZU 02s Hr 15 45 27 PLAIN JE Sin Ch Pieri z008 12 10 15 45 28 PTA Hi Hot Chi Alert E215 wm 25 00 um 75 00 um ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com PCM370ForPT2060 Plant Condition Management System NOTES 1 Each alarm list page can display maximum 50 alarm events If th
25. 10 15 46 47 12 30 16 45 28 12 10 16 46 48 12 10 15 46 50 12 30 15 46 60 12 10 15 46 51 12 10 15 46 51 12 30 15 46 52 12 10 15 46 52 12 30 15 46 58 12 30 15 46 655 12 10 15 46 59 12 30 15 46 65 12 10 15 47 00 PTO 3 Sigt Ch PT20GO No 3 Siet6 CH LI Bue L PEN 3Slet Cht PT2OBO No 3 Stet5 Cnt PT2OBO No 3 51et5 Chi PTOSOMo Ze PTO Die CH PT2OBD No 21 Sep Chi Ch No 3 d PT2OBD No 3 Siet5 Ch PT2OBO No 3 StetS Ch PT2OBD No 3 Siet5 Ch PT2OBO No 3 SletS Ch PT20B0 No SID Ch PT2OBD No 3 Sist5 Ch PTO Slt A HI ZE E PTs 2 2ieg CH P IAUN 3116 Cnt PT20BD No 3Slet5 Ch PT2060 No 3 Sieb C ht PT2050 No 3 Siet Ch PT2OBO No 3 Siet5 Chi PTSM 3 Sie Ch PT20B0 No 3 Siet Ch PT2O0B0 No 3Siet5 Ch PT20BO No 3 Siet5 Cht PT20G0 No 2 Siet5 Chi PT20BO No 3 Siet5 Chi EA PT2060 N PT AFO PT2050 No 3 Siet5 Ch PT2OBO No 3 Siat5 Ch PEN 3 Slet5 PT2060 No LSR CH PT2060 No 3 Alarm List 62 19 um EA 19 um amp 2 19 uem BN T um 62 19 um 62 19 um amp 2 19 um 62 19 um amp 19 um 62 19 um amp 2 19 um 52 T um EA 9 um 44 40 um 44 4 um 27 10 um 28 59 um 28 59 um 3210 um 29 38 um 29 80 um amp 2 19 um amp 2 19 um 62 19 um i Each alarm list page can display maximum 50 alarm events If the alarm events number exceeds 50 you could go to other pages for more alarm events by clicking Pre and Next button ii Print Click this button to print the current alarm l
26. 210 15 45 11 PT2060 No 3 Slot5 Chi Alor 6219 um 2500 um 75 00 um 2008 12 10 15 45 11 PTOOBD No ISt Chi Aled 2008 12 10 15 45 13 PT20S0 No 3 Slot Chi Alen 6219 um 25 00 um 75 00 um Z0DB 12 MY 15 45 13 PTXED No 3 SIot5 Chi Alert 2008 12 10 15 45 14 RI EOIN 3 Slot5 Chi Alert 62 19 um 25 00 um 75 00 um 2008 12 H0 15 45 14 FTXED No JSlot5 Ch1 Alert E 2008 12 10 15 45 15 PT2060 No 3 Slot5 Chi Alert 6213 um 2500 um 75 00 um 2008 12 HY 15 45 15 FI SEO 3Siot5 Chl Alen 2008 12 10 15 45 15 PT2060 No 3pStots_ Chi Alen B2 19 um 2500 um 75 00 um SUES LZ HT 15 45 16 PT ARAN 3 Io Chi Alen 2006 12 10 15 45 17 PT2060 No 3 SlotS Chi Alert 62 19 um 2500 um 75 00 um 2000 12 10 15 45 17 PT2060 No 3 Slot5 Chi Alert 2006 12 10 15 45 18 PT2USU No 3 Slot5 Chi Alert 6219 um 2509 um 5 00 um 2008 12 10 15 45 18 PT2060 No 3 Slot5 Chi Alen 7008 17 10 15 45 19 PT XD No 3 Slot5 Chi Alert E2 19 um 25 LU um 75 00 um 2008 12 10 15 45 19 PT2060 No 3 SiotS_ Chi Alen 2UDB 12 HT 15 46 06 PTOOSD NO 3 SiotS Ch1 Alen 627 19 um 25 D um 75 0D um 2008 12 10 15 45 07 FT20B0 No 3 Slot5 Chi Alert AEK Z DL 15 946p 18 KML EKIN Sloth Ch Alari R 19 um Z5 LU um Zb DA um 2008 12 10 15 45 08 PTA ho Ha Chi Alen ZU Te 1E a FTAEL MO Jj Sin Ch Pieri BZ 19 um zh LU um 25 DE um z008 12 10 15 48 09 PTA Hi Hot Chi Alert 2000 12 10 15 45 10 PTA Ho MSti Chi Ale EZ 18 um 25 00 um 75 DO
27. AP NOT OK Status list show measure value and status of all channels under the selected PT2060 Rack ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 43 PCM370ForPT2060 Plant Condition Management System Help Click Help on main window or press F1 on keyboard to view help file of PCM370ForPT2060 software E PCM370ForPT2060 Software Help lal x el HH c o O6 Uu o amp Hide Locate Back Forward Stop Refresh Home Print Options PCM370ForPT2060 Software Operation Contents Search Favorites CONTENTS Eun PCRS OF orPT2060 software gl Click title of PCM370ForPT2060 Plant Condition Management on main window to view About PCM370ForPT2060 Window Exit Click Exit on main window to exit from the software ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 44 PCM370ForPT2060 Plant Condition Management System PCM370ForPT2060 Maintenance Special Notes 1 Measurement units of HZ and RPM in PT2060 are replaced with EU in PCM370ForPT2060 software 2 PCM370ForPT20060 software can monitor maximum PT2060 Racks at the same time Only PT2060 10 PT2060 20 PT2060 30 and PT2060 53 modules on PT2060 Racks are monitored The total number of PT2060 10 PT2060 20 PT2060 30 and PT2060 53 modules in all PT2060 Racks should be less than or equal to 32 3 When the configuration information on P
28. CM370ForPT2060 Plant Condition Management System Probe Gap The physical distance between the face of a proximity probe tip and the observed surface The distance can be expressed in terms of displacement mils micrometres or in terms of voltage millivolts Standard polarity convention dictates that a decreasing gap results in an increasing less negative output signal Probe Specifically a proximity probe transducer although sometimes used to describe any transducer Probe Orientation The angular location of a probe with respect to a polar coordinate system when viewed from the driver end of the machine Typically zero degrees are at top dead center vertical or at the horizontal right 3 o clock position on the coordinate system Proximitor A ProvibTech signal conditioning device which sends a radio frequency signal to an eddy current proximity probe demodulates the probe output and provides output signals proportional to both the average and dynamic probe gap distances Also called an oscillator demodulator Proximitor is a ProvibTech registered trademark Proximity Probe A non contacting device which measures the displacement motion and position of an observed surface relative to the probe mounting location Typically proximity probes used for rotating machinery measurements operate on the eddy current principle and measure shaft displacement motion and position relative to the machine bearing s or housing See Rela
29. DegC 100 00 DegC 140 00 DegC PT20S0 No 3 Siot3 Ch State Normai Normal Normal Normmal Normal NormalNomal PT2060 No 3 Siot3 Cha Analeg 0 00 Deg 0 00 OegC 000 DegC 100 00 DegC 140 00 Deg PT2060 No 3 Siot3_Ch8 State Noem ab Norm ad Norm ad Norma Norma Normal Normal PT2060 No 3 StotS_Cht Analeg 62 19 um 25 00 un 75 00 um PT2060 No 3 StatS Ch1 State Naemal ALT Nemal Namhal Noam sU NomsaU Nomsal PT20B0 No TLSTR Ch2 Analog 62 24 um 125 00 um 175 00 um PT2060 No 3 out Ch2 State NoernalNeorrnal Norrnal Normal Normal Worrall Normal PT2050 No 3 Stot ChO Analog D OD um 125 D um 175 00 um PT2060 No 3 StotS_Ch3 State NOT Ok Nomal Neemal Neemal Nermal Normmal GAP NOT OK PT2060 No 3 S ot amp Ch amp Analog 0 00 um 12500 um 175 00 um PT2UBD No 3Siol5 Ch4 Stale Noer Norn al Normal Normal Normal Normal Normal PT2060 No 3 Stet amp Ch1 Anale4 0 00 EU 0 00 EU 000 EU 30 00 EU 45 00 EU PT2OBU No 3 Siat amp Ch1 Stste Noemai Neema NanmalNanmaU NomaUNomsaUNomsl PTZ2060 No 3 Siot6 Ch3 Analeg 0 00 um 125 00 um 175 00 um PTOS Mo 3 Sioth_Chd State NOT Ot Normal Normal Normal Normal Normal GAP NOT OK PT2060 No 3 Stot6_Ch4 Analeg 0 00 um 125 00 um 175 00 um PT2060 No 3 S ot amp Ch4 State NOT OK Normal Normal Normal Normmal Nomal GAP NOT OK PT ABO No 3 Stol _Ch1 Analeg D OD EU 000 EU OOD EU 30 0D EU 45 00 EU PT2060 No 3 Siat7 Ch1 State NOT OK NeemalNeemalNcemalNommalNonmaliG
30. Mrovib Tech Innovative Machine Monitoring PCM370ForPT2060 Plant Condition Management System User Manual Installation Operation Maintenance 7x Provibiech PCM370ForPT2060 Plant Condition Management System P1 ARI 1 PIA 3 PT Rp 3 Sp Oe fet CHO Set CO ZE Sen E RK 3 n A um oum i PT gerne 3 PT 3 PTO T2ORO Wo cu Ow Son os a Os er D on a L L i L Der en Z Cep LIS ue A A Presoei Prosas Gat Cp ProvibTech 11011 Brooklet Dr Ste 360 Houston TX 77099 USA Phone 1 713 830 7601 Fax 1 281 754 4972 Email sales provibtech com Web www provibtech com PCM370ForPT2060 USR B 4 Copyright 2008 by ProvibTech PCM370ForPT2060 Plant Condition Management System Table of Content ET MH A l PCMS 70ForP 12000 Tie OG eege 2 Fp ea O EE 2 EE EE 2 Runnins SEENEN 2 Quick Configuration e ENTE o o o TR 3 PCMS70PorPT2060 E E e cuui coss mb iquouF Luce FU na P tanta E aa EU PPP uU LU dpud ie o YU DX UR bd 5 Field Winns EE 5 Field Wiring Diagram 1 MODBUS RTU for Short Distance sss sss eee 5 Field Wiring Diagram 2 MODBUS RTU for Long Distance sss 5 Field W wing Diagram 2 ModbDu s TC D cessa deor oia nes reet pub io nuo iine EEE SEa 6 Install PC M37 OP OrP T 2060 SORWAE eege EE 7 Unin al EE 10 PCM JOFO EE 12 Run EE EE 12 Brie T
31. Return Click it to back to the bar graph window View history trend plot of the selected channel Check History Trend Plot and then click OK button Following picture shows you the history trend plot window of the selected channel ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 17 1210 2008 F 120 2008 15 45 07 Tas 1631303 i I shows the title of the trend plot It is described as slotNo ChChannel No i 2 shows the measure value of the last sample on the current trend plot and color indication for the channel s measure value iii 3 shows the color indication for measure value of each status bit iv 4 shows the trend plot for each status bit When the bit returns 0 the bit is in normal and when the bit returns 1 the bit 1s 1n abnormal v The yellow rectangle displays the measure value and collected time of the selected sample on the trend plot vi 5 shows the history trend plot of the selected channel vii 6 shows time slider date picker time picker and Refresh button You can use the time slider to change the starting time of trend plot Also you can use date picker and time picker to change the starting time of trend plot After you changed the date and time you should click Refresh button to refresh the data and time on the current trend plot window viii Magnify It is used to zoom in the trend plot Click this button and dra
32. Setup Click Custom Trend Setup button on configuration window to open Custom Trend Setup window Custom Trend Setup Window is used to set the custom trend plot type With this function you can view trend plots of several channels on a window This function helps you compare data from different channels Custom Trend Setup l x Trend Type Name Number of Selected Channels Delete Trend Type Name Display the name of a custom trend type Number of Selected Channels Display total number of the channels that are contained in a custom trend type Add button Click this button to add a new custom trend type NOTE Maximum 8 custom trend plot types can be added Each custom trend plot type can contain maximum 16 channels x Trend Plot Type Name select Device PT2060 No 1 Avaliable Channel PT20B0 No 1 Slot1 Ch1 PT20B0 No 1 Slot1 Ch PT20B0 No 1 Slot1 Ch3 No 1 Slot1 Ch4 PT2060 No 1 Slot2 Chi PT20B0 No 1 Slot2 Ch e Selected Channel PT2050 No 1 Slot2 Ch3 PT2060 No 1 Slot2_Ch4 PT2050 No 1 Slot3 Chi PT2050 No 1 Slot3 Ch2 PT2050 No 1 Slot3 Ch3 Channel Name PT2060 No 1 Slot3_Ch4 E M NACA ALe As Clatd L1 gt Cancel ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 28 PCM370ForPT2060 Plant Condition Management System Select Device Display the PT2060 Racks that are monitored by PCM370ForPT2060 software
33. T2060 Racks is changed you should re upload the information on PCM370ForPT2060 software Troubleshooting No PT2060 Racks are found No PT2060 Racks are found window may appear when you are uploading the PT2060 Rack s information Condition 1 When PT2060 Racks work in MODBUS RTU transmission mode If PCM370ForPT2060 software can t find any PT2060 Racks by MODBUS RTU transmission mode you will see the following window PCM370ForPT2060 X Mo PT2060 devices are Found Please check the settings on communicatoin parameters Baudrate 19200bps parity DEN Stop bits In this condition you should check the communication parameters setting on PT2060 Racks first by PT2060 CFG software v Baud Rate 19200 v Parity Bit None v Stop Bit 2 v Slave Address the value from 1 to 5 is invalid After checked the settings on racks communication parameters you can re start PCM370ForPT2060 software and then upload the PT2060 information again If the software can t find the PT2060 Racks yet please check v The PT2060 Racks are powered v The cables are good v The wiring between computer and PT2060 Racks is correct v The PT2060 91 module on PT2060 Rack works normally Condition 2 When PT2060 Racks work in MODBUS TCP transmission mode ERE UII ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 45 PCM370ForPT2060 Plant Condition Management System If PCM370ForPT2060 s
34. am A diagram used in rotating machinery design A tool for selecting and checking shaft operational rotative speeds and other possible forcing function frequencies against the spectrum of natural frequencies to avoid resonances The X axis represents the various ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 50 PCM370ForPT2060 Plant Condition Management System possible excitation frequencies i e rotative speed 1X oil whirl 40 48 X blade or vane passing frequencies gear mesh frequencies etc The Y axis represents the lateral and torsional natural frequencies The term is sometimes used incorrectly to describe the Cascade Plot and Waterfall Plot See torsional vibration Cartesian Format A rectangular graphical format consisting of a vertical Y axis and a horizontal X axis This format is used to graph the results of one variable as a function of another e g vibration amplitude versus time trend amplitude versus frequency spectrum and nX amplitude versus shaft rotative speed Bode Cascade Plot A graph in Cartesian format displaying amplitude versus frequency spectra at series shaft rotative speeds Shaft rotative speed and amplitude are usually presented on two separate vertical axes Frequency is measured on the horizontal X axis This data format is used to evaluate the change in vibration frequency characteristics during machine transient conditions See Wat
35. and frequency across ranges of all of these while measuring the motion response vectors of the rotor system at the same frequency can yield the meaningful dynamic stiffness of a rotor system This methodology can be applied for identification of nonlinear non symmetric and discontinuous systems A gong test impulse test may yield some basic simple data A unidirectional swept sine perturbation applied to the support system is an improvement over the gong test Swept sine input to the rotor by a known displacement is another improvement but the readout must be the response force vector which is very difficult to instrument accurately Phase Lag Angle The timing relationship in degrees between two vibration signals or a Keyphasor pulse and a vibration signal also the phase difference between two signals such as the input force signal and output response signal The lag corresponds to minus in mathematical formulations Piezoelectric Any material which provides a conversion between mechanical and electrical energy For a piezoelectric crystal if mechanical stresses are applied on two opposite faces electrical charges appear on another pair of faces Plant Summary Report Information available from on line computerized monitoring systems typically representing the status of all measured variables monitors alarms and trends for a user defined time period usually the previous work shift or 24 hours Polarity In relation
36. be set as v Baud Rate 19200 v Stop Bit 2 v Parity Bit None 6 Ifthe PT2060 Rack uses MODBUS TCP transmission mode you should set the valid Rack IP Address for each rack The format of IP Address is A B C D A should be from 1 to 223 and can t be 127 B should be from 0 to 255 C should be from O0 to 255 D should be from 0 to 255 PCM370ForPT2060 software scans maximum ten consecutive IP addresses that begin with the Starting IP Make sure the A B C fields of Rack IP are the same as those of the host computer IP And we recommend that the racks in the system are set with the consecutive IP Addresses For example the computer IP is 192 168 1 1 and the system contains 5 PT2060 Racks You could set the racks IP as 192 168 1 100 192 168 1 101 192 168 1 102 192 168 1 103 and 192 168 1 104 if the five IP addresses are not used yet 2 The PT2060 Racks can communicate well with your PCM370ForPT2060 software and the device wirings are correct There are two methods for you to run PCM370ForPT2060 software Method 1 Select Start All Programs PCM370ForPT2060 PCM370ForPT2060 Method 2 Directly double click shortcut icon of PCM370ForPT2060 on the desktop Condition 1 The current database didn t record information about any PT2060 Racks For example first time to start PCM370ForPT2060 software after the installation In this condition after you started PCM370ForPT2060 software you will see following window P
37. d negative extreme values of an electronic signal or dynamic motion See Amplitude Period The time required for a complete oscillation or for a single cycle of events The reciprocal of frequency Periodic Vibration Oscillatory motion whose amplitude pattern repeats in time Perturbation Application of a forcing function to a system by means of an external device in order to study the system characteristics Also called excitation Perturbation Technique ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 58 PCM370ForPT2060 Plant Condition Management System A part of modal testing A method of identifying the dynamic characteristics of a mechanical system rotors in particular by comparing a known input force to the measured response The perturbation force may be at any frequency including shaft rotative frequency as in the case of unbalance and zero frequency zero speed as in the case of a steady state load The perturbation force may be applied in one direction only unidirectional or in two directions simultaneously as in the case of a circular or elliptical force If the non synchronous perturbation force is applied to the rotating shaft in two axes simultaneously it may be forward in the direction of shaft rotation or reverse against the direction of rotation Direct perturbation of the rotating shaft by a rotating force input of known force amplitudes phase
38. der Then click Next to continue Choose Destination Location Select folder where Setup will install files Setup will install POM SOF orPT 2060 in the following folder Ta install ta this folder click Nest To install to a different folder click Browse and select another folder Destination Folder D Program FilessProvibT ech PCM 3 0ForPT 2060 Browse InstallShield 1 Cancel 3 Show current settings about copying files Click Next to continue ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 7 Start Copying Files Review settings before copying files 4 Setup Status Installs Held If you see Locked File Detected window in the process of copying files see below picture please check option of Don t display this message again Locked File Detected And then click Ignore button See below ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 8 PCM370ForPT2060 Plant Condition Management System Locked File Detected f X An option vau selected requires that files be installed to or uninstalled from your system or both A locked file D IND DW S Ssustem3zmfe42 dil was found while performing the needed file operations To leave this file as itis on your system click the lgnare button to retry the file operation click Retry or to perform the operation when your system is rebooted
39. dition where the mass centerline principal inertial axis does not coincide with the geometric centerline Also the effective mass that causes rotor vibration Valve Position A measurement of the position of the process inlet valves on a machine usually expressed as a percentage of the valve opening zero percent is fully closed 100 percent is fully open The measurement is usually made with an LVDT and is incorporated as part of a TSI system Vane Passing Frequencies A potential vibration frequency on vaned impeller compressors pumps and other machines with vaned rotating elements It is represented by the number of vanes on an impeller or stage times shaft rotative speed Vector A quantity which has both magnitude and direction For a vibration vector magnitude is expressed as amplitude displacement velocity or acceleration and direction as phase lag angle degrees For example the 1X vibration vector measured at shaft operating speed e g for balancing purposes will be described as a magnitude mils or micrometres acting in a particular direction degrees The vector data presentation which is easiest to interpret is the polar format See Acceptance Region and Polar Plot Vector Filter An electronic instrument that automatically adjusts a band pass filter center frequency to coincide with the frequency determined by an external electronic input pulse Keyphasor Typically a digital vector filter is used to automatically
40. e expressed in radians per second mostly for laboratory work 100 rpm equals approximately 10 radians per second 100 rpm 100 PI 30 radians per second Signal Attenuation A desired reduction in amplitude of a signal without changing the frequency and phase Also the decrease in amplitude and phase that results from the transmission of vibration energy from one machine part to another e g shaft to bearing housing Signal Conditioner A device placed between a signal source and a readout instrument to change the signal Examples attenuators preamplifiers signal converters for changing one electrical quantity into another such as volts to amps or analog to digital and filters Signal Gain The increase or decrease in magnitude of a signal Also the amount of voltage amplification utilized to enlarge small electronic signals up to full scale range on instruments such as FM tape recorders This nondimensional number is usually in even steps of 2 5 and 10 Signature ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 62 PCM370ForPT2060 Plant Condition Management System Term sometimes applied to a vibration frequency spectrum which is distinctive and special to a particular machine or component system or subsystem at a specific point in time under specific machine operating conditions etc Often fails to include the basic signal measurement of phase Used for historica
41. e alarm events number exceeds 50 you could go to other pages for more alarm events by clicking Pre and Next button 2 Print click this button to print the current alarm list window 3 Return click this button to back to the bar graph window ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 42 PCM370ForPT2060 Plant Condition Management System Status List PCM370ForPT2060 software display two types of status list status list of a single channel and status list of a PT2060 Rack For more details about status list of the single channel you could refer to chapter of Bar Graph View status list of a PT2060 Rack Select the PT2060 Rack from Device Bar and then click Status List button on main window Following picture shows you the status list of the selected PT2060 Rack PT2060 No 3 Status List BEER ES EC gui PT2060 No 3 Statt_Ch1 Analeg 45 00 EU NOT OK Normal Normal Normal Ncrmal Nomal GAP NOT OK PT2060 No 3 Stott_Cht State PT A080 No 3 Stott_Ch3 Analeg D OD um 125 0D um 175 00 um PT2080 No 3 Statt Ch3 State NOT Ok Normal Normali ieemalNamalNomal GAP NOT OK PT 2060 To 3 Siott_Ch Analeg 0 00 um 125 00 um 175 00 um PT2060 No 3 Statt Ch State NOT O ficemalficemal NeemalNermalNormal GAP NOT OK PTZOGO No 3 S012 Ch1 Analog 0 00 mm s 2500 mms AM 50 mmis PT2060 No 3 Soot Chl State 8 Neemav Nerma Normal Normal Normal Norma
42. e display two types of alarm list alarm list of a single channel and alarm list of a PT2060 Rack For more details about alarm list of the single channel you could refer to chapter of Bar Graph View alarm list of a PT2060 Rack Select the PT2060 Rack from Device Bar and then click Alarm List button on main window Time range window is launched In this window you can select the time range in which the selected PT2060 Rack s alarm events happened If you want to view all alarm events under the selected PT2060 Rack you should check Total alarm list and then click OK button If you want o view alarm events in certain time range you should check Partial alarm list and set the start time and ending time and finally click OK button E Partial alarm list Starting Ending 12 04 2008 12 11 2008 10 41 05 10 41 05 4 Cancel OK Following picture shows you the total alarm list of PT2060 No 3 PT2060 No 3 Alarm List 2006 12 10 15 45 07 2000 12 HI 15 45 08 PT2060 No 3 Slot5 Chi 2500 um 75 00 um FTXED No 3Slot5 Chi Alen 57 19 um 2500 um 75 00 um 2006 12 10 15 45 08 PT2060 No 3pSiot5_ Chi Alert T 2000 12 10 15 4518 FT2OED NO 3 Zion Ch1 Alen amp 19 um 25 00 um 5 00 um 2006 12 10 15 45 09 PT2060 No 3 SiotS_ Chi Alen 2000 12 10 15 45 10 PT2050 No 3 Slot5 Chi Alert 62 19 um 25 00 um 75 00 um Z0UB 12 10 15 45 10 PTOOBD No 3FSlot5 Ch1 Alert 2008 1
43. erfall Plot Casing Expansion A measurement of the axial position of the machine casing relative to a fixed reference usually the foundation The measurement is typically made with an LVDT installed on the foundation at the opposite end of the machine from the point where the casing is attached to the foundation Changes in casing axial position are the result of thermal expansion and contraction of the casing during startup and shutdown The measurement is usually incorporated as part of a TSI system Center Frequency For band pass filters the arithmetic center of a constant bandwidth filter or the geometric center midpoint on a logarithmic scale of a constant percentage filter Channel A transducer and the instrumentation hardware to display its output signal Cold Water Stands An arrangement of piping and brackets installed along a machine foundation for hot alignment measurements Proximity probes Observe exposed shaft areas or targets on the machine casing from brackets through which water circulates This provides a thermally stable reference for the alignment measurement Communications Processor An interface module used in an on line monitoring system to communicate data from the monitor rack to the computer ProvibTech Communications Processors include Dynamic Data Manager steady state static data and steady state dynamic data Transient Data Manager steady state transient static data and transient dynamic data and Proce
44. es of motion the definitions apply equally to each one Note also that according to these definitions oil whirl is stable while the rotor undergoes instability Stability of a Mechanical System Practical Definition A mechanical system is stable if any practical perturbation results in a system response with amplitudes within acceptable prescribed levels 1 Stability of a Rotating Machine A rotating machine is stable if at operating speeds the rotational motion of all rotating elements shafts disks blades etc and the steady equilibrium of non rotating parts supports bearings cases foundations etc are not accompanied by various modes of vibration with amplitudes exceeding prescribed acceptable levels This definition also applies to machine startups and coast downs when shaft rotative speed is variable Static Data Data which describes the quantitative characteristics of the measured parameter Static data can also include quantitative values describing the conditions under which the parameter was measured For predictive maintenance purposes static data is typically presented in various forms of trend plot and displays lists of current values Examples of static data include vibration amplitude phase lag angle frequency average shaft position shaft rotative speed time date monitor alarm and OK status Steady State Data Data static and or dynamic acquired from a machine at constant shaft rotative speed Stead
45. g a rectangle the plot in this rectangle will be magnified ix Restore Click it to restore the magnified plot to original size x Pre Click it to view history trend plot of the previous channel If the current channel is the first channel this button will be disabled xi Next Click it to view history trend plot of the next channel If the current channel is the last channel this button will be disabled xii Print Click it to print the current trend plot window xiii Return Click it to back to the bar graph window ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 18 PCM370ForPT2060 Plant Condition Management System View alarm list of the selected channel Check Alarm List and then click OK button Time range window is launched In this window you can select the time range in which the channel s alarm events happened If you want to view all alarm events under the selected channel you should check Total alarm list and then click OK button If you want to view alarm events in certain time range you should check Partial alarm list and set the start time and ending time and finally click OK button Partial alarm list C Total alarm list Starting 12 03 2008 16 24 03 Ending 12 10 2008 16 24 03 Cancel Following picture shows you the total alarm list of Slo Chl 12 10 15 46 amp 12 30 15 46 47 12
46. ge An amplitude detection technique used for sine wave vibration signals the half cycle average is 0 637 x zero to peak amplitude Average amplitude detection is not used by ProvibTech because machinery vibration signals are most often non sinusoidal in form and the peak to peak or peak amplitude cannot be correctly computed Average Shaft Position The static or average position of the shaft relative to a stationary component on the machine to which the probe is mounted The most common application is rotor axial thrust position relative to the thrust bearing Another important application is shaft average radial position in the bearing These measurements are made using the dc position component of the proximity probe signal Two proximity probes mounted in an XY configuration are required for the two dimensional radial position measurement Axial In the same direction as the shaft centerline Axial Position ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 49 PCM370ForPT2060 Plant Condition Management System The average position or change in position of a rotor in the axial direction with respect to some fixed reference Typically the reference is the thrust bearing support structure or other casing member to which the probe is mounted The probe may observe the thrust collar directly or some other integral axial shaft surface as long as it is within about 12 inches of the t
47. he communication parameters as below v Baud Rate 19200 v Stop Bit 2 v Parity Bit None 6 If PT2060 Rack uses MODBUS TCP transmission mode you should set the valid Rack IP Address for each rack The format of IP Address is A B C D A should be from 1 to 223 and can t be 127 B should be from 0 to 255 C should be from O0 to 255 D should be from 0 to 255 PCM370ForPT2060 software scans maximum ten consecutive IP addresses that begin with the Starting IP Make sure the A B C fields of Rack IP are the same as those of the host computer IP And we recommend that the racks in the system are set with the consecutive IP Addresses For example the computer IP is 192 168 1 1 and the system contains 5 PT2060 Racks You could set the racks IP as 192 168 1 100 192 168 1 101 192 168 1 102 192 168 1 103 and 192 168 1 104 if the five IP addresses are not used yet The system configuration process is below 1 Run PCM370ForPT2060 software 2 Set communication parameters in Search Option window A If PT2060 Rack uses MODBUS RTU transmission mode you should select MODBUS RTU and then click OK B If PT2060 Rack uses MODBUS TCP transmission mode you should select MODBUS TCP and then set the valid Port and Starting IP And then click OK The default Port is 502 Type the minimum rack IP address in field of Starting IP For example there are five PT2060 racks in the system The IP addresses of the racks are oooO Pr
48. hieved by evaluating the average dc gap voltage change of a proximity probe mounted to the fixed reference Rod Drop Instantaneous Position On a reciprocating machine the measurement of the position change of a piston rod at one specific event during the full stroke of the piston relative to a fixed reference of the cylinder This measurement is usually achieved by evaluating the instantaneous dc gap voltage change of a proximity probe mounted to the fixed reference Timing of the measurement is provided by a Keyphasor probe Rolling Element Bearing Antifriction Bearing A bearing which uses rolling elements rollers or balls to support the load of a rotating shaft and to minimize friction Rolloff The rate of attenuation of amplitude and phase with respect to frequencies above or below a certain point Thus a low pass filter is designed to provide amplitude and phase rolloff at high frequencies and a high pass filter is designed to provide rolloff at low frequencies Commonly rated in dB per octave Rolling Elements Components in a rolling element bearing generally rollers or balls which support the rotating load of a shaft ROMIS Rotating Machinery Information Systems and Services ProvibTech s ROMIS product offerings include on line and periodic monitoring systems and diagnostic instruments systems which provide information for operations personnel plant engineers and rotating machinery specialists including overall values
49. hronous ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 48 PCM370ForPT2060 Plant Condition Management System A measure of the susceptibility of a rotor system vibration response to an imbalance related exciting force when shaft rotative speed is equal to a rotor system natural frequency A calculation technique is similar to measuring the Q of a filter the center frequency divided by the bandwidth e the balance resonance speed divided by the difference between the speeds at the 3dB amplitude values Caution should be used when applying this latter method because of the potential mechanical abnormalities of machinery vibration response In general a high synchronous amplification factor indicates low system quadrature dynamic stiffness whereas a low amplification factor generally indicates high system quadrature dynamic stiffness Due to several factors amplification factor measured during machine startup is different from that measured during coast down Also called machine Q synchronous amplification factor differs from non synchronous amplification factor by an amount related to the existence of a tangential force which depends on actual shaft rotative speed See Dynamic Stiffness Quadrature Amplitude The magnitude of periodic dynamic motion vibration Amplitude is typically expressed in terms of signal level e g millivolts or milliamps or the engineering units of the measu
50. hrust bearing Also called thrust position See Differential Expansion Balance of Plant Machinery That group of rotating machinery which is not critical to any part of the overall plant process Many of these machines operate in tandem or spared installations Balance Resonance Speed A shaft rotative speed or speed region which equals a natural frequency of the rotor system When a rotor accelerates or decelerates through this speed region the observed vibration characteristics are 1 a peak in the 1X Amplitude and 2 a more rapid change in the 1X vibration phase lag angle Balancing Adjusting the radical mass distribution of a rotor so that the mass centerline principal inertia axis approaches or coincides with the rotor rotational axis This reduces the 1X lateral vibration of the rotor and the forces on the bearings due to imbalance inertia forces Band Pass Filter A filter that has a single transmission band extending from a non zero lower corner frequency to a finite upper corner frequency The corner frequencies are the frequencies on either side of the center frequency where the amplitude is attenuated by 3dB At the center frequency the signal amplitude 19 not attenuated Bandwidth The span between the corner frequencies of a band pass filter Normally expressed in terms of frequency for constant bandwidth filters and as a percent of the center frequency for constant percentage constant Q filters See Band Pass Filter
51. iasing False frequency components caused by sampling a dynamic signal at too low a sampling frequency The sampling frequency must be at least twice the highest frequency of interest or the highest frequency component in the signal This effect can be eliminated by adjusting the sampling frequency or using a low pass filter on the signal prior to sampling anti aliasing The primary disadvantage of anti aliasing as is the case with virtually any type of filtering 1s that phase and amplitude errors are incurred Alignment The positioning of machine components bearings rotors casing foundation piping etc with respect to each other for efficient transfer of power Various alignment requirements utilize different techniques of cold and hot machine measurement including optical mechanical dial indicators electronic proximity probes and laser Amplification Factor Non synchronous A measure of the susceptibility of a rotor system vibration response to a non synchronous harmonic exciting force at a rotor system natural frequency Synchronous amplification factor differs from non synchronous amplification factor due to the existence of destabilizing tangential forces which depend on shaft rotative speed At high rotative speeds these destabilizing factors cause a decrease in system quadrature dynamic stiffness and result in a non synchronous amplification factor higher than the synchronous amplification factor Amplification Factor Sync
52. ick Trend Plot on the main window and a menu pops up The custom trend plot types that have been defined on Custom Trend Setup window are listed on the menu For example we have defined a custom trend plot type that is named Slot5 and you should select Slot5 Real Time from the list The real time trend plot window of the custom trend plot type Slot5 is below ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 35 ww PCM370ForPT2060 Plant Condition Management System evr Se Laraba iya chari Frei bei p NOTES 1 I shows the title of the trend plot It is described as custom trend type name Real Time 2 2 shows the real time measure value of the channels that are contained in the selected custom trend type It also shows the color indication of the channels trend plot When a channel is in alert status the color of the measure value will display yellow when a channel is in danger status the color of the measure value will display red when there existed the un acknowledged alarm in a channel the channel s measure value will keep flashing 3 3 shows the real time trend plot of the channels that are contained in the selected custom trend type 4 Acknowledge Confirm Click it to acknowledge the alarm 5 Print Click it to print the current trend plot window 6 Return Click it to back to the main window View real time trend pl
53. ing a single transmission band extending from some finite lower corner frequency defined as the point where amplitude is attenuated by 3 dB to infinite frequency or the upper frequency response limit of the transducer or instrument High Spot The term used to describe the response of the shaft due to imbalance force It is the angular location on the shaft directly under the vibration probe when the shaft makes its closest approach to that probe Also the location on the shaft surface under a proximity probe when the 1X filtered vibration signal produced by the probe reaches its positive peak Hysteresis The difference in levels dead band between the trigger threshold and the reset designed to reduce false triggering nertially Referenced ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 55 PCM370ForPT2060 Plant Condition Management System Motion that is referenced to a mass whose inertia keeps it stationary yielding absolute motion Also describes a transducer with an internal inertial reference mass Influence Vector Used in balancing the 1 X vibration response vector due to a calibration weight divided by the calibration weight vector at a particular shaft rotative speed The measured vibration vector divided by the unbalance force vector represents the rotor s transfer function If the description of the influence vector contains the shaft rotative speed term and the
54. ion to local network or internet Features Only for PT2060 Rack Integrate process data User friendly system with touch panel ProvibTech s database Data collection with time trigger and or alarm trigger Software alarms to indication of machine status 23 4 N M Modbus data collection and storage Running Environment Minimum system requirement v Operation system Windows XP or Windows 2000 v CPU P4 800MHz v Memory 512MB v A Hard Disk 40G v Display Touch panel or VGA ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 2 PCM370ForPT2060 Plant Condition Management System Quick Configuration Guide System Wiring Connect the PT2060 Racks to the computer You can refer to Field Wiring Diagram on PCM370ForPT2060 User Manual System Installation Install PCM370ForPT2060 software on the computer System Configuration CAUTION Make sure all PT2060 Racks have been already correctly configured by PT2060 CFG software You should pay attention to the following settings on PT2060 Racks A Rack Slave Address Setting Ensure the slave addresses of racks are in range from 1 to 5 and each slave address identifies a unique PT2060 Rack You could refer to PT2060 91 SIM System Interface Module User Manual to get detailed information about Rack Slave Address Setting B Other communication parameters Setting e If PT2060 Rack uses MODBUS RTU transmission mode you should set t
55. ist window ii Return Click this button to back to the bar graph window View status list of the selected channel ProvibTech 19 Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com Naomal Wormal NormmalvormalNorm al Norma Norm af Status list show the channel s real time measure value and status ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 20 PCM370ForPT2060 Plant Condition Management System Setup Click Setup button on the main window You will be asked to enter the password Default password is password Please Input FPassrord x Password Keyboard OK Cancel MEG Keyboard button Clicking this button will open On Screen Keyboard window You are strongly recommended that do not close this window when PCM370ForPT2060 software is in configuration status 15 x File Keyboard Settings Help sch F1 r2 F3 tB rs re rz re a ra rio Cd D psc 2 brk LS TS Lal sist lal al al j b fins tal ous tb lal el se LT v lal ead ping 7 8 9 za sjlslalejeolnlilk r o EE 2 Lx ci vio nim TIR cl ot 0OL E ctl Click OK button after you entered the correct password Below is the configuration window Configuration Database Management system Setup Modify Channel Marne Data Collection Setup Custam Trend Setup Upload PT2060 Information Modify
56. ive speed RTD An acronym for Resistance Temperature Detector a sensor which measures temperature and change in temperature as a function of resistance RUB Machine malfunction consisting of contact between the rotating and stationary parts of a machine involving friction impacting and changes in system stiffness Runout Compensation Electronic correction of a transducer output signal for the error resulting from runout See Nulling Scale Factor The change in output per change in input sensitivity of a transducer Also the factor by which a signal must be increased or decreased to meet the input requirements of an instrument Seismic Transducer Any vibration transducer which measures the absolute vibration of an object Accelerometers and velocity transducers measure absolute vibration typically of machine housing or structures and thus are both referred to as seismic or inertial transducers Sensitivity The ratio of the change in the output to a change in the input A typical sensitivity for a proximity probe transducer is 200 millivolts per mil 7 84 volts per millimetre Shaft Average Centerline Plot Transient or trend plot of the shaft average radial centerline position within the bearing clearance presented in Cartesian format See Average Shaft Position Shaft Rotative Speed The frequency at which a shaft is rotating at a given moment usually expressed in units of revolutions per minute rpm may also b
57. ividing the distance between the average position of the shaft centerline and the bearing seal centerline by the radial clearance can vary between zero and one Zero represents the shaft concentric with the bearing seal and one represents the shaft in contact with the bearing seal A trend of decreasing eccentricity ratio can indicate a potential stability problem See Rotor Position Angle and Attitude Angle Eccentricity Ratio Dynamic A dimensionless quantity representing the instantaneous position of the shaft within the bearing or seal The dynamic eccentricity ratio obtained by dividing the distance between shaft and bearing seal centerlines by the radial clearance can vary between zero and one Zero represents the shaft concentric with the bearing seal and one represents the shaft in contact with the bearing seal See Eccentricity Ratio Average Eddy Current ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 53 PCM370ForPT2060 Plant Condition Management System Electrical current which is generated in a conductive material when such material intercepts the electromagnetic field of a proximity probe Electrical Runout A noise component in the output signal of a proximity probe transducer system resulting from non uniform electrical conductivity and magnetic permeability properties of the observed material Also caused by local spot magnetic fields on the circumfe
58. l Normal PT2060 No 3 Sict2_Ch2 Anakeg 000 mms 25 00 mm s 37 50 mmis PTSD Mo 3 Sisl2 Ch2 Stale Noemi Noemi Norm ab Neral Norra Normal Normal PT2060 No 3 Set Ch3 Analeg 000 mme 25 0D mm s 37 50 mmis PTOS Mo 3 Siot2 Ch State Noem a NormmalNonm atNomnab NormaU Nomab No mal PTZ060 No 3 59002 Ch Analog 000 mms 25 00 mm s 37 50 mm s PTABO No out Ch amp State NoemalNormaliNormatMNormalWormal Normal Normal PT2060 No 3 gt Siat3_Ch1 Analeg 0 00 Deg 0 00 Dege 0 00 Deg 100 00 DegC 140 00 Deg PT2060 No TSD Ch State c L T H Normal T Normal Nornaal PT20GU No 712 Ch2 Analeg 0 00 Deg D 0D Degt 000 Degt 100 00 Degt 340 00 Degt HI pen 3 Siot3_Ch2 State Normal NeormalMormall Nora Normal Normal Normal PT2050 No 3 Stot3_Ch3 Analeg Dm Dege 0 00 agt 0 00 Deg 100 00 DegC 140 00 DegC e PT2060 No 3 S ot3 Ch3 State Nirma Normal Norrnal Normal Moral Normal Normal P T2060 No 3 Stot3_Ch4 Analog 0 00 Deg 0 00 Deg 0 00 DegC 100 00 Deg 140 00 Deg PT2060 No 3 Siat3_Ch4 State NormalNernal Normal Normal Warns Normal Normal PT2060 No ISAI Ch5 Analeg 000 Deg 0 00 Orge 000 Dog 100 00 DegC 140 00 Beat PT2OBU No 3 Siol3 Ch5 Stale NoemaVNorn ai Norm wi Norm al Normal No mal Normal PT2060 No 3 Sie Che Anales 0 00 Des 0 00 Degt 0 00 DegC 100 00 Degt 140 00 Dear LARA Mo I_C State EI Norma Norm Str STEE STOT Ate Atom Al PT2060 No 3 Stot3_Ch7 Analeg 0 00 DegC 0 00 DegC 0 00
59. l comparison of mechanical condition over the operating life of the machine Slow Roll Speed Low rotative speed at which dynamic motion effects from such forces as imbalance are negligible The speed at which shaft bow and runout can be measured Spall In rolling element bearings a flake or chip of metal removed from one of the bearing races or from a rolling element Spalling is evidence of serious bearing degradation and may be detected during normal bearing operation by observing increases in the signal amplitude of the high frequency or Prime Spike region vibration signals Spectrum Commonly a presentation of the amplitudes of a signal s components as a function of its frequency Spectrum Plot An XY plot in which the X axis represents vibration frequency and the Y axis represents vibration amplitude Stability of a Mechanical System Liapunoff Definition Stability In The Small A mechanical system is stable if external small perturbation of its regime will create a resultant small change of the previous steady state regime The perturbation can be introduced by applying an impulse force or changing the initial conditions of displacement and or velocity A system is asymptotically stable if small perturbation causes a decaying transient response leading to the previous steady state regime Note that these definitions refer to some quantitatively undefined small actions If a mechanical system exhibits several steady state regim
60. m The characteristics of vibration signals which may be observed on an oscilloscope Typical displays are timebase waveform and shaft Orbit See Orbit and Waveform Waterfall Plot similar to Cascade plot except that one vertical axis 1s usually time instead of shaft rotative speed rpm See Cascade Plot Waveform A presentation or display of the instantaneous amplitude of a signal as a function of time A vibration waveform can be observed on an oscilloscope in the timebase mode Wobulator A mechanical device which generates dynamic motion of an observed surface at a known amplitude and frequency The surface is Observed by a proximity probe for the purpose of calibration of a vibration monitor ProvibTech s TK3 2 incorporates a wobulator XY Orthogonal perpendicular axes in a Cartesian coordinate system Usually used as a reference for orthogonal mutually perpendicular radial vibration transducers Y represents the vertical axis and X represents the horizontal axis Zero to Peak Value One half of the peak to peak value See Amplitude REFERENCES Dictionary of Instrumentation Technology Machine Design Penton IPC Inc Cleveland Ohio Electrical Transducer Nomenclature and Terminology Instrument Society of America Philadelphia Pennsylvania Electronic Engineer s Handbook McGraw Hill Book Company New York New York Mark s Mechanical Engineering Handbook McGraw Hill Book Company New York New York v d e dw pm
61. ments are provided by this transducer system The proximity probe measures 1 shaft relative radial position within the bearing clearance and 2 shaft dynamic motion relative to the bearing The ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 52 PCM370ForPT2060 Plant Condition Management System velocity transducer measures 3 machine casing absolute vibration When the velocity signal is integrated to displacement and added to the shaft relative signal the summation represents 4 shaft absolute motion Dual Voting A logical AND relationship between two independent monitor inputs they must agree before any action is taken For example two transducer input signals must both exceed an amplitude set point usually the Danger set point only before an actual alarm condition is indicated by the monitor If only one transducer input exceeds the set point then no alarm is initiated in the monitor Dynamic Data Data steady state and or transient which contain that part of the transducer signal representing the dynamic e g vibration characteristics of the measured variable Typical dynamic data presentations include Orbit Timebase spectrum Polar Bode Cascade and Waterfall From this data it is possible to derive static data such as amplitude frequency filtered amplitude and phase lag angle from the signal See Steady State Dynamic Data and Transient Dynamic Data Dynamic S
62. mo Size 1 30MB PCM370ForPT2060 Size 0 79MB Used Last Used On 12 8 2008 To change this program or remove it From your computer click Change Remove Change Remove p PL 2303 USB to Serial Size 1 04MB m Click OK button in following picture Confirm File Deletion l X Do you want to completely remove the selected application and all of its components Show uninstalling status window Uninstalling PCESTOForPT2060 Plant Condition Management Syste 7 Setup Status PCM3 0ForPT 2060 Setup is performing the requested operations Uninstalling 45 Installs held ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 10 PCM370ForPT2060 Plant Condition Management System If you see Locked File Detected window in the process of copying files see below picture please check option of Don t display this message again Locked File Detected X An option you selected requires that files be installed to or uninstalled fram your system or bath A lacked file D Sw ND OWS Ssystemade ms vert dll was found while performing the needed file operations To leave this file as it is on your system click the Ignore button to retry the file operation click Retry or to perform the operation when your system iz rebooted click Reboot And then click Ignore button See below Locked File Detected B X An option you selected requires that files be installed to or
63. n Confirm to clear the database All data even the rack information will be removed after the operation If you are sure to clear database you should click Yes button ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 24 e PCM370ForPT2060 Plant Condition Management System evr System Setup Click System Setup button on configuration window to open System Setup window In System Setup Window you can set unit and trend depth System Setup i X C English Metric Plot Parameter Trend Depth 100 Trend depth is the maximum number of the points to generate a trend plot The maximum value is 2000 ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 25 PCM370ForPT2060 Plant Condition Management System Modify Channel Name Click Modify Channel Name button on configuration window to open Modify Channel Name window In Modify Channel Name Window you can change the channel s name xi Device Name PT2060 No0 1 Channel Name Slot1 Ch1 Slot Ch2 Glo Ch3 Glo Ch4 Slot2 Ch1 Slot2 Ch2 Slot2 Ch3 Slot2 Ch4 Slot3 Ch1 Slot3 Ch2 CLA OLI Pin b Modify Name Select a PT2060 Rack from Device Name list and select a channel under this PT2060 Rack and then click Modify Name button Old Mame ie Chi Mew Mame 1 10 characters JK Cancel E
64. namic The instantaneous amplitude of the time varying component of the moment applied to a rotor typically resulting from a variation in driving load or torque ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 64 PCM370ForPT2060 Plant Condition Management System Torque Static The force times the perpendicular distance between the force s line of action and the center of rotation moment as applied to a structure non rotating Torsional Vibration Time variation of the angle of twist typically measured in tenths of degrees pp TorXimitorTM A ProvibTech non contacting signal conditioning device which senses strain and outputs a signal proportional to torque TorXimitorTM continuously measures dynamic as well as static torque TorXimitorTM is a trademark of ProvibTech Corporation Transducer A device for translating the magnitude of one quantity into another quantity The second quantity often has units of measure different from the first and serves as the source of a useful signal Vibration transducers convert mechanical motion into a proportional electronic signal typically a voltage proportional signal Transient Data Data static and or dynamic acquired under transient machine conditions startup and coast down Transient Dynamic Data Dynamic data acquired under transient machine conditions Typical transient dynamic data presentations include Polar Bode a
65. nce This is often a location of minimum shaft absolute displacement Vibration immediately on each side of the node is 180 degrees out of phase See Pivotal Conical Diagram under Mode Shape Noise Any component of a transducer signal which does not represent the variable intended to be measured Non symmetric Anisotropic Rotor ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 57 PCM370ForPT2060 Plant Condition Management System A rotor whose cross section has two different geometric moments of inertia for example an elliptical cross section and or the supports have different stiffness characteristics in the horizontal and vertical directions See Symmetric Rotor Notch Filter A filter which has a single rejection band extending from a finite lower cutoff frequency greater than zero to a finite upper cutoff frequency Frequencies within the rejection band are eliminated or attenuated while frequencies outside the rejection band are retained The opposite of a band pass filter Nulling Subtraction of the shaft slow roll speed value for 1X electrical runout or mechanical runout vector component from the corresponding transducer signal nX vector component Nyquist Plot A type of graphical presentation in polar format used to evaluate the stability of an automatic control system This term should not be used to describe a similar polar presentation of machine vibration vect
66. nd Cascade See Dynamic Data and Transient Data Transient Static Data Static data acquired under transient machine conditions See Static Data and Transient Data Transient Vibration The temporarily sustained vibration of a mechanical system It may consist of forced or free vibration or both Usually transient vibration is associated with instantaneous changes in machine condition such as speed load etc Trend Data The periodic recording storage of static and or dynamic data for the purpose of observing changes as a function of time Trend data is the most fundamental level of information in any predictive maintenance program Trend Interval The time period between consecutive data points on a Trend Plot Trend Period The complete time frame beginning to end of data of a Trend Plot Trend Plot A presentation in Cartesian format or polar format of a plot with the measured variable versus time Trigger Any event which can be used as a timing reference A trigger for an oscilloscope will initiate the sweep of the beam across the face of the CRT A trigger signal for a digital vector filter is a Keyphasor pulse which serves to align the center frequency of the band pass filter to shaft rotative speed It provides a reference from which to measure shaft rotative speed 1X amplitude and phase lag angle Trip Multiplier That function provided in a monitor system to temporarily increase the alarm Alert and Danger setpoint val
67. nter the new name in the edit box and click OK button The maximum length of the channel number is 10 characters ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 26 PCM370ForPT2060 Plant Condition Management System Data Collection Setup Click Data Collection Setup button on configuration window to open Data Collection Setup window Data Collection Setup x Device Name SEL ZU Trigger Mode Time Trigger Start Time 2007 7 13 Time Interval second s Alarm Trigger OK j Cancel j In this window you can set data collection condition for each PT2060 Rack Time Trigger Check it to set time trigger condition Please select start time and enter the time interval Alarm Trigger If you check this option the PT2060 Rack will be triggered when a channel under this PT2060 Rack alarms When first alarm happens PCM370ForPT2060 software will automatically collect all channels data under the selected PT2060 Rack When alarm happens you are strongly recommended to click Acknowledge Alarm button to acknowledge the alarm event If you don t acknowledge the alarm this time and when the alarm happens next time PCM370ForPT2060 software won t collect the data ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com a PCM370ForPT2060 Plant Condition Management System Custom Trend
68. nternational agreement 9 8 m s2 386 in s2 32 17 ft s2 has been chosen as the standard acceleration due to gravity Gear Mesh Frequency A potential vibration frequency on any machine which contains gears It equals the number of gear teeth times shaft rotative speed Harmonics A series of vibration signal components whose frequencies are integer multiples of the fundamental or lowest frequency vibration component Harmonic Vibration Sinusoidal vibration with a single frequency component Heavy Spot A term used to describe the position of imbalance It is the angular location of the imbalance vector the summation of the mass imbalance distribution at a specific lateral location in one plane on a rotor See High Spot Hertz Hz Unit of frequency measurement in cycles per second High Frequency For purposes of studying rolling element bearings a frequency range typically above 5 kHz used to measure the very high vibration frequencies associated with microscopic faults in bearing components While this technique may provide the earliest warning of impending bearing failure for some types of bearing faults there are several other machine malfunctions which can produce vibrations in this range e g cavitation rubs etc In addition the high frequency measurement technique sometimes provides warnings too early long before any maintenance bearing replacement needs to be considered High Pass Filter A filter hav
69. o 2 E Ate 3 PT2060 No 3 PT2060 No 3 fict Chi fiot Ch3 t it2 Ch Set On2 it2 Ch3 Skt C ict3 Oni it3 CO Setz Ch3 Sit Chs Sit CE L 200 ZV ZU L L M om 0 un 0 um 0 meis U mass 0 eem 0 pet 0 Dem 0 Dear Dem 0 Degc 0 Dem PT2060 No 3 PT2060 No 3 PT2060 No 3 PT2060 No 3 PT2060 No 3 f12060 N0 3 PT2060 No 3 PT2060 No 3 PT2060XNo 3 PT2060 N0 3 PT2060 No 3 fik5 Ce it Ch fint Cp fint5 Chi fint5 Ch Sigg Ch SKS C fint Chi fin Cn5 fini CM Sia Cni 200 200 200 100 200 L Zo ito 250 t0 D D D D 4 4 D D DH 0 0 Leo 0 Deoc 0 Deoc 43 5 um 4424 um 5 mn 5 mnm ow U um U um H Lu Pr2060 No 1 PT2060 N0 3 Setup Acknowledge Alarm Trend Plot Alarm LA Status LA Help Ext NOTES 1 The name of each bar graph is described as PT2060 No Rack slave address Slot ChChannel No 2 Bar graph color indication Y Green Normal Status v Yellow Alert Status v Bed Danger Status v Blue Background color v Flashing Alarm happened but hasn t been acknowledged 3 Channel Status Displaying Left click a bar graph on the page and you will see channel status tab that looks like following picture ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 15 Following table show the color indication for each status bit Light Color for Light Color for Status Bit Full Name Normal Status Abnormal Status EN MEM MEME MM ME mm mms 0 Gm 0 34 mW Ems 0 0 84
70. of a TSI system Differential Phase A technique which measures the phase difference between vibration signals of a chosen single frequency at different longitudinal locations on a rotor system It is used for location of the source of instability The vibration signal whose phase leads all others usually indicates the transducer location closest to the source of the instability Direct Data Data or a signal which represents the original transducer signal Sometimes called unfiltered raw all pass or overall data or signal Displacement The change in distance or position of an object relative to a reference Machinery vibration displacement is typically a peak to peak measurement of the observed vibrational motion and is usually expressed in units of mils or micrometres Proximity probes measure displacement directly Signal integration is required to convert a velocity signal to displacement Dual Path A signal conditioning technique used in vibration monitors whereby a single transducer input is processed through two separate signal conditioning paths in the monitor Each signal conditioning path can have its own engineering units of measurement e g displacement and velocity optional filtering alarm set points and displays Dual Probe A transducer set consisting of a proximity probe and velocity transducer installed radially at the same point usually in a common junction box on the machine bearing housing Four separate measure
71. oftware can t find any PT2060 Racks by MODBUS TCP transmission mode you will see the following window PCM370ForPT2060 X AN Mo PT2060 devices are found Please check the settings on Starting IP and Port In this condition you should check the settings on Starting IP and Port And mark sure the IP setting on PCM370ForPT2000 software matches the IP address of PT2060 Racks And make sure the current Port is available After checked the settings on Starting IP and Port you can re start PCM370ForPT2060 software and upload the PT2060 information again If the software can t find the PT2060 Racks yet please check v The PT2060 Racks are powered v The network cables are good v The wiring between PT2060 Racks and computer is correct v The PT2060 91 module on PT2060 Rack works normally Communication Error Communication Error window may appear when you are uploading the PT2060 Rack s information PCM370ForPT2060 E xj X Communication errar If the window pops up in process of uploading PT2060 Rack s information this means that PCM370ForPT2060 software has found the PT2060 Rack and some unpredictable error happens in the uploading In this condition you should upload the information again If the communication error always happens you should check the modules on PT2060 Rack Ensure that all modules work normally You can use PT2060 CFG software to check that Communication Failed Communication Failed window
72. or data See Polar Plot Octave A 2 to ratio between two frequencies An octave higher than some frequency F is 2F an octave lower is one half F 1X In a complex vibration signal notation for the signal component that occurs at the rotative speed frequency Also called synchronous 1 2X 1 3X 2 5X 4 9X ETC In a complex vibration signal notations for signal components having frequencies equal to fractions of rotative speed Also called sub harmonic and sub synchronous Optical Pickup A non contacting transducer which emits light from an internal infrared LED and detects the level of reflected light with a phototransistor The most common application of this pickup is as a temporary Keyphasor transducer observing a once per turn change in shaft reflectivity dark or light paint spot or small strip of highly reflective tape on the shaft Orbit The dynamic two dimensional path of the centerline motion of a machine component which is observed by XY transducers in the plane of those transducers When the transducers are XY shaft proximity probes it is the shaft centerline lateral vibration called precession Observed with an oscilloscope in the X versus Y mode Sometimes called orbital motion or Lissajous presentation Outer Race For rolling element bearings a generally cylindrical component which is positioned between the rolling elements and the bearing housing Peak to Peak Value The difference between positive an
73. ot of all channels under a PT2060 Rack Select a PT2060 Rack for example PT2060 No 3 on the Device Bar Click Trend Plot on the main window and a menu ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 36 PCM370ForPT2060 Plant Condition Management System For example you select PT2060 No 3 Real Time from the list The real time trend plot window of the selected PT2060 No 3 is below LEEEEEEEEEEEEEL TM I NOTES 1 I shows the title of the trend plot It is described as PT2060 No rack salve address Real Time 2 2 shows the real time measure value of the channels under the selected PT2060 Rack It also shows the color indication of the channels trend plot When a channel is in alert status the color of the measure value will display yellow when a channel is in danger status the color of the measure value will display red when there existed the un acknowledged alarm in a channel the channel s measure value will keep flashing 3 3 shows the real time trend plot of the channels under the selected PT2060 Rack 4 Acknowledge Confirm Click it to acknowledge the alarm Pre button and Next button A page can display maximum 16 channels trend plot If the total channel number exceeds 16 you can use Pre button and Next button to go to other pages for additional channels trend plot 6 Print Click it to print the current trend plot window 7
74. ovibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 3 PCM370ForPT2060 Plant Condition Management System 4192 168 1 100 192 168 1 101 192 168 1 102 192 168 1 103 and 192 168 1 104 So you should type 192 168 1 100 in field of Starting IP PCM370ForPT2060 software will upload the information from PT2060 Racks If you want to set other parameters you can click Setup button on main window Default password is password ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 4 PCM370ForPT2060 Plant Condition Management System PCM370ForPT2060 Installation Field Wiring Diagram NOTE A PCM370ForPT2060 system can monitor maximum 5 PT2060 Racks Field Wiring Diagram 1 MODBUS RTU for Short Distance PT2060 RACK Lm TPP rrr I aye Ji RS232 COM Port i eee i i d H aal S AU i 4 TI ii TT x T VA f Io ip pilpl p 11 6 t p e LE PC M370ForPT 2060 S 1 SL C ce tE X PT2060 RACK PCM TOUCH d N RD TE R8232 COM Port A concmlite EE TTT H UTR I OIA OM Imn pD If zl Field Wiring Diagram 2 MODBUS RTU for Long Distance d 3 PT2060 RACK dl S M d bha Rd ka ka ba SIS AIS MS kd ia S H Je RS485 COM Port ug O hett f IS D F3 P 3 D 59T
75. radius at which the calibration weight is placed on or removed from the rotor the influence vector 19 the inverse of the synchronous dynamic stiffness vector See Influence Vector Direct and Influence Vector Longitudinal Influence Vector Direct An influence vector where the measured vibration vector and the unbalance force vector are at or near the same plane along the rotor axis Influence Vector Longitudinal An influence vector where the measured vibration vector and the unbalance force vector are at different longitudinal planes along the rotor axis ntegrator An electronic circuit that converts a velocity signals to a displacement signal or converts an acceleration signal to a velocity signal sotropic Supports Rotor support systems that provide uniform dynamic stiffness in all radial lateral directions Keyphasor Pulse That change in the output signal of the Keyphasor Transducer caused by the Keyphasor Event Keyphasor Transducer A transducer that produces a once per shaft turn voltage pulse called the Keyphasor signal This signal is used primarily to measure shaft rotative speed and as a reference for measuring vibration phase lag angle It is an essential element in measuring rotor slow roll bow runout information The Keyphasor transducer is typically a proximity probe recommended for permanent installations in which the probe observes a physical gap change event an optical pickup used for temporary installa
76. rces are vector not scalar quantities Sweep Frequency Filter A type of bandpass filter which is automatically swept tuned through a frequency range of interest An instrument which incorporates this type of filter can be used to generate a vibration frequency spectrum A change in the frequency content of the measured signal during the time required to sweep through the frequency range will cause the spectrum to smear Swirl Ratio See Fluid Circumferential Average Velocity Ratio Synchronous The component of a vibration signal that has a frequency equal to the shaft rotative frequency 1X Thermocouple A temperature sensing device comprised of two dissimilar metal wires which when thermally affected heated or cooled produce a proportional change in electrical potential at the point where they join Threshold The level at which a trigger or other function is initiated Timebase Plot A presentation of the instantaneous amplitude of a signal as a function of time A vibration waveform can be observed on an oscilloscope in the time domain Torque A measure of the tendency of a force to cause rotation Equal to the force multiplied by the perpendicular distance between the line of action of the force and the center of rotation Torque Average The constant amplitude component of the moment force couple applied to a rotor in order to sustain rotational speed angular acceleration or load requirements Torque Dy
77. red variable e g mils micrometres for displacement inches per second for velocity etc The amplitude of a signal can be measured in terms of peak to peak zero to peak root mean square or average Amplitude and Phase Versus Time APHT An acronym used to describe the trend plot of plot vibration amplitude and phase data This data may be presented in both Cartesian and polar formats Commonly used for 1X 2X and nX vibration data Anti aliasing Filter A low pass filter which is used to eliminate false frequency components from the spectrum of a digitally sampled signal See Aliasing Anti Swirl A technique used in fluid handling machines to decrease or prevent the development of fluid circumferential flow around the rotor in bearings and seals and to improve rotor stability Asynchronous or Non synchronous Vibration frequency component which is different than shaft rotative speed Sometimes used to mean any vibration frequency which is not an integer multiple or fraction of rotative frequency See Synchronous Attitude Angle The included angle between the direction of the vector sum of all the unidirectional steady state radial loads Preloads on a rotor and a line connecting the bearing and shaft centers Sometimes confused with Rotor Position Angle since the preload historically and incorrectly was considered to be primarily gravity on horizontal machines See Rotor Position Angle and Eccentricity Ratio Average Avera
78. rence of the shaft surface A change in the Proximate output signal which does not result from a probe gap change dynamic motion or change in average shaft position The error repeats exactly with each shaft revolution See Mechanical Runout Element Passage Frequency EPx For purposes of studying rolling element bearings using either bearing housing transducers or the ProvibTech REBAM system EPx is a symbolic indication of the rate at which rolling elements pass a fixed point on either the inner or outer race Harmonics of the element passage frequency are then indicated as 2EPx 3EPx nEPx Error The difference between the indicated value and the true value of the measured variable It is often expressed as relative error 1 e as a percent of the output reading of the transducer Essential Machinery That group of rotating equipment which is critical to part of the plant process When essential machinery is not operating the overall plant is not operating to full capacity Machines in this category can be spared or un spared and are typically monitored continuously Filter Electronic circuitry designed to pass or reject a specific frequency band of a signal Fluid Circumferential Average Velocity Ratio A dimensionless ratio of the average rate of rotation of a fluid in a bearing or seal clearance or in rotor to stator periphery in the direction of shaft rotation divided by shaft rotative speed Lambda times rotative speed is
79. riation in the amplitude of a vibration signal results in modulation of the amplitude of a carrier signal AM is used when high frequency signal recordings are needed i e gear mesh AM tape recorders also called direct have a finite lower frequency response above zero dc Hertz They capture dynamic data above the lower response frequency but not the average shaft position data dc voltage which is available from a proximity probe signal Modulation Frequency FM The process whereby variation in the amplitude of a vibration signal results in a variation a carrier frequency FM tape recordings have a low frequency response down to dc zero Hertz This allows recording of proximity probe dc gap voltages which represent average shaft position Narf Acronym for Natural Axial Resonant Frequency usually refers to axially compliant couplings Natural Frequency The frequency of free vibration of a system The frequency at which a lightly damped system will oscillate upon momentary displacement from its steady position by a transient force The natural frequencies of a multiple degree of freedom system are the frequencies of the normal modes of vibration See Resonance Nodal Point Node A point of minimum or zero shaft deflection in a specific mode shape May readily change location along the shaft axis due to changes in residual imbalance or other forcing functions or due to changes in dynamic stiffness such as increased bearing cleara
80. rovibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 12 Search Option X Search Made Ge MODBUS RTU C MODBUS TCP MODBUS TCP Parameter Starting IP 192 168 1 211 O x Cancel In Search Option window you should select the transmission mode of the system If PT2060 Racks use MODBUS RTU transmission mode you should select MODBUS RTU and then click OK button If PT2060 Racks use MODBUS TCP transmission mode firstly you should select MODBUS TCP secondly type the minimum rack IP address in field of Starting IP thirdly type the valid port number in filed of Port default value is 502 and finally click OK button After you finished the settings on Search Option window click OK button And then PCM370ForPT2060 software will scan the PT2060 Racks Upload PTZUb0 Mo 2 Information If the scanning succeeded the information of all PT2060 Racks will be uploaded to PCM370ForPT2060 software PCM370ForPT2060 1 Ld 1 Upload complete Condition 2 The current database has recorded information about one or more PT2060 Racks In this condition PCM370ForPT2060 software will directly upload real time value and status from PT2060 Racks ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 13 PCM370ForPT2060 Plant Condition Management System Device Bar Device Bar displays the PT2060
81. s perpendicular to the sensitive axis of an inertial seismic transducer Cross Talk Interference or noise in a transducer signal or channel which originates in another transducer or channel When using proximity probes cross talk can occur when the tips of two or more probes are too close together The interaction of the probes electromagnetic fields causes a noise component in each of the transducers output signals The frequency of the noise component is the difference beat frequency of the two proximate oscillator frequencies Cycle One complete sequence of values of a periodic quantity Decibels A numerical expression of the ratio of the power or voltage levels of electrical signals dB 10 log P1 P2 20 log V1 V2 Difference Analysis A method for evaluating the change in a measurement variable Two sets of data are collected at different points in time or under different conditions and are subtracted from each other Differential Expansion The measurement of the axial position of the rotor with respect to the machine casing at some distance from the thrust bearing Changes in axial rotor position relative to the casing affect axial clearances and are usually the result of thermal expansion during startup and shutdown The measurement is typically made with a proximity probe transducer mounted to the machine casing and observing an axial surface e g collar of the rotor The measurement is usually incorporated as part
82. ss Data Manager process variable data Constant Bandwidth Filter A band pass filters having a fixed frequency bandwidth regardless of center frequency Constant Percentage Filter A band pass filters whose bandwidth is a fixed percentage of the center frequency Also called constant Q filter Critical Machinery That group of rotating equipment which is absolutely necessary to a major part of the plant process When critical machinery is not operating that part of the process is not operating Machines in this category are usually un spared and are typically monitored continuously Critical Speed s In general any shaft rotative speed which is associated with high dangerous level vibration amplitude Often critical speed is used to describe a shaft rotative speed equal to a rotor system natural frequency This is more correctly called a balance resonance speed Critical Speed Map ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 51 PCM370ForPT2060 Plant Condition Management System An XY Cartesian diagram used in rotating machinery design as a tool to approximate the effect of changes in bearings supports and pedestal designs on system natural frequencies The X axis represents bearing stiffness and the Y axis represents rotor system natural frequency Cross Axis Sensitivity The ratio of change in the signal output to an incremental change in the input along any axi
83. tech com 30 PCM370ForPT2060 Plant Condition Management System Upload PT2060 Information Click Upload PT2060 Information button on configuration window Search Option window is launched In this window you can change the communication parameters After the parameters setting PCM370ForPT2060 software will upload the information from PT2060 Racks x Search Mode MODBUS RTU C MODBUS TCP MODBUS TCP Parameter Starting IP Port 502 OK Cancel If PT2060 Racks use MODBUS RTU transmission mode you should select MODBUS RTU The communication parameters of PT2060 Racks should be set as follows v Baud Rate 19200 v Stop Bit 2 v Parity Bit None If PT2060 Racks use MODBUS TCP transmission mode you should select MODBUS TCP And also enter the Starting IP and Port in related edit box v Starting IP You should enter the starting IP address of the PT2060 Racks This address is a string of 4 numbers The address format is A B C D A should be from 1 to 223 and can t be 127 B should be from 0 to 255 C should be from 0 to 255 D should be from 0 to 255 PCM370ForPT2060 software will automatically scan the maximum 10 consecutive valid IP addresses that begin with the starting IP Make sure the A B C fields of Rack IP are the same as those of the host computer IP For example 5 PT2060 Racks in the system all use MODBUS TCP transmission mode The IP address of the PT2060 Racks are 192 168 1 100
84. the angular velocity at which the fluid force rotates Sometimes this is used as the ratio of oil fluid whirl frequency to rotative frequency approximate value Fluid Induced Instabilities Rotor self excited lateral vibrations whirl and whip due to fluid solid interaction in bearings seals and other cylinder within a cylinder parts of a machine Whirl causes the shaft dynamic motion to be forward and circular or elliptical and at a frequency proportional to shaft rotative speed The vibration frequency of whirl is a function of the fluid circumferential average velocity in the bearing seal or rotor periphery Typically whirl for bearings varies from 0 3X to 0 49X just less than one half of shaft rotative speed Whip occurs when whirl vibration frequency approaches a rotor system s natural frequency most often the rotor first balance resonance The mechanism is not limited to oil lubricated bearings but can occur when any fluid e g oil steam process gas etc is enclosed within a small clearance area between two body surfaces one of which is rotating and dragging the enclosed fluid into circumferential rotation While the fluid average frequency is then usually below half rotative speed changes may occur when the fluid is tangentially accelerated for instance due to recirculation or decelerated such as in anti swirl seals Forced Vibration The response vibration of a mechanical system due to a forcing function exciting force
85. tiffness Spring stiffness of the mechanical system complemented by the dynamic effects of mass and damping which act against an applied dynamic force to limit vibration response Dynamic Stiffness Direct The component of mechanical system Dynamic Stiffness consisting of modal mass stiffness and cross couple damping terms which collinearly opposes the applied force Dynamic Stiffness Quadrature The component of a Dynamic Stiffness mechanical system Dynamic Stiffness in a fluid environment consisting of 1 the viscous damping the reaction of the fluid when the shaft presses on it and 2 the fluid wedge support term the reaction of the shaft when the fluid pushes on it The latter is cross coupled stiffness tangential force component Quadrature dynamic stiffness acts perpendicularly to the applied force 90 degrees out of phase Eccentricity Mechanical The variation of the outer diameter of a shaft surface when referenced to the true geometric centerline of the shaft Out of roundness See Mechanical Runout Eccentricity Peak to Peak The measurement of shaft bow at slow roll speed The shaft bow may be due to 1 fixed mechanical bow 2 temporary thermal bow or 3 temporary bow due to any sort of sag or bow at rest sometimes called gravity bow Eccentricity Ratio Average A dimensionless quantity representing the average position of the shaft within the bearing or seal The average eccentricity ratio obtained by d
86. tions in which the pickup observes a change in reflectivity event or a magnetic pickup Keyphasor is a ProvibTech registered trademark Linearity Calibration The closeness of a calibration curve to a specific straight line expressed as the maximum deviation of any calibration point on a specified straight line in any one calibration increment Load Zone An angular region around a rolling element bearing where there is maximum compressive force between the shaft and the outer race of the bearing Probes for bearing activity measurement REBAM would normally be placed in this zone for best or most sensitive measurements Also the direction of steady state load on any including fluid film bearing Normal load can result from the force of gravity for horizontal machines gear mesh forces fluidic forces etc Low Pass Filter A filter having a single transmission band extending from zero frequency or the lower frequency response limit of the transducer or instrument to some finite upper corner frequency defined as the point where amplitude is attenuated by 3 dB LVDT Acronym for Linear Variable Differential Transformer A contacting displacement transducer consisting of a movable core and a stationary transformer The core is attached to the part to be measured and the transformer is attached to a fixed reference The most ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 56
87. tive Transducer Q Filter Filter selectivity 1 e the relative band of frequencies passed or rejected by the filter The narrower the band of frequencies the higher the Q and the broader the band the lower the Q This is computed by Q fc delta f where fc is the center frequency and delta f is the bandwidth of the filter at the 3dB points Q Machine Derived from Q Filter Used to describe the synchronous amplification factor of a rotor system See Synchronous Amplification Factor Radial A direction on a machine which is perpendicular to the shaft centerline in the XY plane usually refers to direction of shaft lateral or casing motion or measurement Radial Vibration Shaft dynamic motion or casing vibration which is measured in a direction perpendicular to the shaft axis Raster Plot A type of Cascade or Waterfall plot usually with a skewed Y axis so that the plot has an isometric appearance Real Time Analyzer A term used to describe an instrument which displays a vibration frequency spectrum REBAM An acronym for Rolling Element Bearing Activity Monitor which is a ProvibTech method and system for monitoring and analyzing the performance of rolling element bearings using eddy current transducers and Micro PROX Relative Vibration Vibration measured relative to a chosen reference Proximity probes measure shaft dynamic motion and position relative to the probe mounting usually the bearing or bearing housing
88. trends correlation of performance related variables steady state dynamic data and transient dynamic data ROMIS is applicable to transducer and monitoring systems diagnostics and test equipment and services Root Mean Square RMS Square root of the arithmetic average of a set of squared instantaneous values Used as a measure of amplitude rms equals 0 707 x peak sine wave only 0 707 I squareroot 2 See Amplitude Rotor Position Angle The angle between an arbitrary reference through the center of a bearing typically vertical down in a horizontal machine and the line connecting the bearing and shaft centers measured in the direction of rotor rotation Used to indicate the presence of abnormal preloads on a machine but NOT the stability of the rotor bearing system See Attitude Angle ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 61 PCM370ForPT2060 Plant Condition Management System Rotor Vibration Region As applied to the study of rolling element bearings using either bearing housing transducers or the ProvibTech REBAM system a low pass frequency range which includes vibration signals of the principal frequency components due to rotor rolling element defects but excludes any significant frequency components due to internal bearing defects Typically this frequency range is from one fourth times shaft rotative speed 1 4X to approximately three times shaft rotat
89. ues by a specific multiple usually two or three This function is normally applied by manual operator action during startup to allow a machine to pass through high vibration speed ranges without monitor alarm indications Such high vibration speed ranges may include system resonances and other normal transient vibrations Also called set point multiplier TSI ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 65 PCM370ForPT2060 Plant Condition Management System Acronym for Turbine Supervisory Instrumentation A TSI system is a continuous monitoring system generally used on turbogenerator sets It can include such measurement parameters as shaft radial vibration shaft absolute vibration axial position differential expansion case expansion valve position eccentricity peak to peak zero speed and shaft rotative speed The system may also include a vector filter which measures vibration phase lag angle for each vibration frequency The TSI system consists of measurement transducers monitors interconnecting wiring and usually strip chart recorders or a microprocessor based monitoring data acquisition system 2X 3X ETC In a complex vibration signal notation for signal components having frequencies equal to exact multiples of shaft rotative speed Also called harmonic super harmonic and super synchronous Unbalance Unequal radial mass distribution on a rotor system a shaft con
90. uninstalled fram your system or bath A lacked file D Sw ND OWS Ssystemade ms vert dll was found while performing the needed file operations To leave this file as it is on your system click the Ignore button to retry the file operation click Retry or to perform the operation when your system iz rebooted click Reboot Un installation process completes Click Finish Uninstalling PCESTOForFT2060 Plant Condition Banazement Syst d i Maintenance Complete InstallShield Wizard has finished performing maintenance operations on HM 37UFarPT 2060 Back Lance Se ml ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 11 PCM370ForPT2060 Plant Condition Management System PCM370ForPT2060 Software Operation Run PCM370ForPT2060 software CAUTION Before you run PCM370ForPT2060 software please make sure that 1 The PT2060 Racks have been correctly configured by PT2060 CFG software You should pay attention to the following settings on PT2060 Racks A Rack Slave Address Setting Ensure the slave addresses of racks are in range from 1 to 5 and each slave address identifies a unique PT2060 Rack You could refer to PT2060 91 SIM System Interface Module User Manual to get detailed information about Rack Slave Address Setting B Other communication parameters Setting If the PT2060 Rack uses the Modbus RTU mode the communication parameters for each PT2060 Rack should
91. upload the rack information ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 32 PCM370ForPT2060 Plant Condition Management System are Modify Password Click Modify Password button on configuration window to open Modify password window You can change the password in this window Enter the new password in the edit boxes twice and then click OK button Bodify password P X Enter the new password Re enter the new password OK Cancel NOTE Maximum password length is 31 characters ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 33 PCM370ForPT2060 Plant Condition Management System Acknowledge Alarm NOTE Acknowledge Alarm command has only effect on the PT2060 Racks that are set Alarm Trigger on Data Collection Setup window below Data Collection Setup x Device Mame PT2060iMo 1 Trigger Mode T Time Trigger Ee E Start Time 2007 7 15 Time Interval second s lene alls OK j Cancel j Acknowledge Alarm command is used to acknowledge the alarm event You could see this button on two types of windows in PCM370ForPT2060 software They are the main window and the real time trend plot window Acknowledge Alarm buttons on the two types of windows do the same work When the PT2060 Rack with the Alarm Trigger property set alarms
92. y State Dynamic Data Dynamic data acquired under steady state machine conditions Typical data presentations include orbit timebase and spectrum This data can be instantaneously trended See Dynamic Data and Steady State Data Steady State Static Data ProvibTech Phone 1 713 830 7601 Fax 1 281 754 4972 sales provibtech com www provibtech com 63 PCM370ForPT2060 Plant Condition Management System Static data acquired under steady state machine conditions Example shaft centerline position See Static Data and Steady State Data Strain Gauge A transducer which reacts to changes in strain typically through changes in resistance Stress A force acting on a body e g shaft per unit area Usually measured in terms of Ibs in 2 or Newton meter 2 Sub harmonic Sinusoidal component of a vibration signal that is a sub multiple integer fraction of a fundamental frequency Sub synchronous Component of a vibration signal which has a frequency less than shaft rotative speed Super harmonic Sinusoidal component of a vibration signal that is an integer multiple of a fundamental frequency Super synchronous Component of a vibration signal which has a frequency greater than shaft rotative speed Suppression The practice of using electronic circuitry to arithmetically subtract suppress the amplitude of an unwanted signal noise It is not recommended for vibration measurement and or monitoring because most noise sou

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