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WiVibScope User`s Manual
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1. Wireless Monitoring WiVibScope User s Manual Revision 1 0 April 2009 eon ERESEARCH 3 Raw Holdings East Calder West Lothian EH53 OHY UK T 44 1506 885000 F 44 1506 885501 W www iconresearch co uk NOTICE Information contained in this document is believed to be accurate and reliable However due to ongoing product developments and revisions Icon Research Ltd cannot guarantee the accuracy of this document after the date published nor can it accept responsibility for errors or omissions This document and the software and or hardware which it describes is subject to change without notice Icon Research Ltd acknowledges that various products or trademark names referred to in this document are subject to copyright and or trademark by their respective registered holders CONTENTS CHAPTER 1 Overview 1 1 WiVibScope Features rss 1 1 1 2 Main Screen Features a 1 1 CHAPTER 2 Getting Started ga Hl aiz euela EEE 2 1 2 2 Connecting to a AA A 2 1 2 3 Defining Your Preferences ceeeeeeeeeee tenes 2 1 2 4 Setting Up your Network cceeeeeeeeeeeee seen 2 3 CHAPTER 3 Taking Measurements 3 1 Using the Main Screen assez 3 1 3 2 Display Controls A 3 1 3 3 Defining Measurement Parameters assez 3 3 Chapter 1 Overview CHAPTER 1 Overview 1 1 WiVibScope Features WiVibScope is a measurement and analysis package that interfaces directly with the WiVib or W
2. 3 3 Chapter 3 Taking Measurements Sample Rate Bandwidth This field enables the Sample Rate if a timewave display is selected or the Bandwidth if spectrum display is selected to be defined from a drop down menu No of Samples No of Lines This field enables the number of time samples if a timewave display is selected or the number of spectral lines if spectrum display is selected to be defined from a drop down menu Gain The channel gain in a range 1 to 50 in 1 2 5 steps is selected here The same gain applies to all channels Averaging The type of averaging can be selected between None Linear and Peak Hold The number of averages is selected from the drop down menu which is enabled if a type of averaging is selected Note that averaging can only be performed in the time domain if a trigger is enabled Band Filter The band filter acts as a bandpass filter where the high pass and low pass edges are selected from the two drop down menus The filter is usually used to define the passband frequency range when using the bearing demodulator You will notice that bandpass default values are automatically set when the Bearing selection is first made and these should be set to suit the bearing being measured A bandpass filter can be defined without using the bearing measurement function if desired Note that bandpass filter settings are remembered for each of the measurement options Trigger the trigger options are
3. 1 Chapter 2 Getting Started Click on the WiVib that you want to connect to in the example there is only one and click OK Traces will now start to appear on the display 2 3 Defining Your Preferences One of the first things you will probably wish to do is to set up your transducer and display preferences together with your transducer sensitivities So let s get started First right click on the display area and the menu screen below will appear Use the radio buttons to select whether you wish to see e metric or imperial units e speed in Hz or RPM e spectra in RMS or Peak values e ordered spectra as numbers of orders or ordered speed Display Options Unit of Measurment Unit of Speed Spectrum Scaling Metric Hz O RMS Imperial English CPM Peak Cursor Style Optional Readings No Cursor C Read Battery Level on each sample Vertical C Read Bias Gap Voltages Vertical amp Horizontal Marker Point Spectra Axis Scaling Y Axis Linear v Min Anis Linear pe You can select your cursor style and whether you wish to see the display in logarithmic or linear units this option applies to spectral displays only You can also decide whether you want the WiVib to take additional measurements on each display update The options are to measure the battery voltage and also to read the bias voltage when using an accelerometer or the gap voltage when using a prox
4. Hold aes O Beating No of Lines Cursor Gun Peak Detect Display E ETZ CHS O Timewave E E ERO EET Gain Band Filter gt Ou High Pass Low Pass Cursor 60 00 Hz Oey ieee Mila Il ere Speed cus O Flattop isabled Disabled v Selected WiVib Details of the WiVib from which data is being received is shown on the panel marked Selected WiVib These are the IP Address of the WiVib on the network the model type and the name that has been given to that particular WiVib The Active Link indicator shows the connectivity status of the selected WiVib If it is red it means that the WiVib is not communicating with the host PC If it is solid dark green a connection has been established The indicator flashes light green when new data has arrived 3 1 Chapter 3 Taking Measurements If the selection was made to read the battery level in the Display Options menu box the battery level will be shown If the WiVib is on external power the word Ext Power will appear The Bat Timeout battery timeout setting is the length of time in minutes that the WiVib will remain powered without receiving any commands from the host PC If this time is exceeded then the WiVib will power down This is to save battery power in the event of a network interruption or the PC being turned off If you wish to disable the battery timeout this can be done by setting the battery timeout to zero If the WiVib is externally powered then the battery timeout f
5. Started This page is intentionally left blank Chapter 3 Taking Measurements CHAPTER 3 Taking Measurements 3 1 Using the Main Screen By now you should be able to connect to a WiVib and you have set up the preferences for the measurements you want to take You have probably noticed that data is already appearing in the display screen There are a number of controls on the main display screen as well as fields whereby measurement parameters can be adjusted The controls will be examined first 3 2 Display Controls The main display screen is shown below The controls will be looked at in turn It has already been explained how right clicking on the display area and the Cursor Readout Panel enables display options and sensor scaling to be defined Once a WiVib connects data is automatically displayed and refreshed on the display E WiVibScope V4 7 So Selected WiVib IP Address 100 192 168 101 250 Device WiVib04PraA lame Wi ib04Pro4 00 C0 1B 0 Active Link Battery Ext Power Bat Timeout 0 Min Wakeup Control Interval 30 Min Set for Wakeup Next Wakeup Sample Status lel dda J A A H A i i 1200 A 4 e ga e e Sa Hz Vert Scale bidezi Channels Cursor Bias Measure Bandwidth Averaging Trigger Gates 4 oon 09 Acceleration ud v None Disabled w c1 wy o Med O Linear G20f re Peak
6. selected from the Trigger drop down menu The table below shows the options available Selection Function Comments Disabled Trigger is disabled The WiVib will free run ie it will not wait for a trigger Enabled Trigger is enabled The WiVib will wait for a trigger pulse to acquire a data record Pre Trigger Pre Trigger is enabled The WiVib will wait for a trigger pulse and the display will include the number of samples before the trigger point as specified in the Delay field Post Trigger Post Trigger is enabled The WiVib will wait for a trigger pulse and then delay for the number of samples specified in the Delay field before acquiring the specified number of samples Trigger Tacho Trigger and tacho measurements are both enabled Trigger is enabled and a speed measurement is also taken which is displayed in the Cursor panel The trigger source Channel 1 or Channel 2 is selected in the drop down menu below the trigger type Note that channel 1 can be an analog or digital trigger depending on the jumper setting in the WiVib See the WiVib operating manual for details Chapter 3 Taking Measurements The final drop down menu specifies the trigger timeout which is the length of time that the WiVib will wait for a trigger before abandoning the measurement If a trigger is not detected within the timeout period ie the timeout expires a message Trigger Timeout w
7. Installation from USB Stick When a USB drive is inserted the Windows Autoplay dialogue box will appear Select WiVib Suite Installation and click OK Click on Install Software and select WiVibScope If the Autoplay box does not appear then use Windows Explorer to select the drive with the label WiVib Suite and run the application called WiVibSuite exe which will be in the root folder Note that if you wish to copy the files from the CD or USB stick to your computer and install from your computer then ensure that all the files are kept in their original folders otherwise installation may fail In either case a shortcut will be placed on your desktop Click on the shortcut to launch WiVibScope If you wish to print a copy of this manual it is available on the CD USB stick 2 2 Connecting to a WiVib When WiVibScope is launched the first thing it does is look for available WiVibs on the network The screen below will appear and one or more WiVibs will appear on the WiVib Selection dialogue box For a WiVib to connect it must be on the same network as the PC have the correct IP address of the host and be switched on Ifa WiVib does not appear check with the WiVibConfig utility that your settings are correct If you are having difficulty refer to the section called Setting Up Your Network at the end of this chapter WiVib Selection Device Status 192 168 101 250 Wi ib04Pro4 OnLine Wi ib04Pro4 00 CO0 1B 0C DE D1 2
8. dditional dialogue boxes adjusting various features The main areas of the screen are shown below 1 1 Chapter 1 Overview ad WiVibScope V4 7 Selected Wivib 192 168 101 250 MINE Active Link Battery Ext Power BatTimeout 0 Min Wakeup Control 00 C0 1B 0 Interval 30 Min Set for Wakeup Next Wakeup Sample Status 6 8 E GO 400 800 1200 1600 Hz Vert Scale e 3 e Channels Cursor Bias Measure Bandwidth Averaging Trigger Gates GPS 09 Acceleration 2khz e None Disabled e BR E O che ZEZ O Linear SO ei Displacement EP Ee CH3 e we O Peak Hold Goer Ou O Bearing No E b i e Channel Peak Detect Display 400 E erri GIS CHS O Timewave DIE ul eli OPE OME EO Band Fiter DI Hanning rr High Pass Low Pass betaz da O cus O Fltop E Disabled Disabled e 2000 WiVib Device Panel this shows the IP address of the WiVib that you have selected the model of the device and the name that has been allocated to it WakeUp Control Panel this panel enables you to set the device to turn off and wake up at preset intervals Main Display measurement traces are shown here By right clicking anywhere on the display display options can be altered Vertical Axis and Cursor Control Panels the vertical scaling can be a
9. djusted using the up down arrows or autoscale can be selected Additionally the cursor can be moved left right or it can be set to detect the peak of the displayed trace The x axis cursor position is displayed here along with the speed being detected by the trigger selection Cursor Readout Panel this allows channels to be selected or de selected for display by clicking on the radio buttons In addition the value of the trace at the cursor position on the y axis is shown In the case of process measurements eg 1 2 Chapter 1 Overview temperature the process value is displayed By right clicking anywhere on the panel channel sensitivities and engineering units can be altered Measurement Setup Panel settings for measurements are altered and displayed here Time and frequency display options are selected here and values are selected from drop down menus 1 3 Chapter 1 Overview This page is intentionally left blank Chapter 2 Getting Started CHAPTER 2 Getting Started 2 1 Installation Installation is from either CD or USB memory stick Installation from CD If AutoRun is enabled on your computer drive the installation menu will be displayed Click on Install Software and select WiVibScope If installation does not run automatically then use Windows Explorer to select the drive with the label WiVib Suite and run the application called WiVibSuite exe which will be in the root folder
10. iVib Pro series of wireless data acquisition devices from Icon Research for example the WiVib 4 4 Pro WiVibScope enables all the functionality of the WiVib or WiVib Pro unit to be exercised and it produces measurements in both the time and frequency domains In other words it acts as a fully featured oscilloscope and spectrum analyser application This makes it an ideal tool for setting up and commissioning a condition monitoring installation as well as enabling detailed analysis of machinery measurements In this manual the WiVib or WiVib Pro is referred to as a WiVib However note that certain features eg triggers are not available on the original WiVib unit The main features of WiVibScope are e Acquires real time dynamic and static measurements from multiple W Vib channels e Allows viewing of both time domain and spectral traces in engineering units e Enables all the features of the WiVib hardware to be used including triggering and wakeup modes e Caters for various sensor types including accelerometers and proximity probes e Provides comprehensive display options including cursor types zoom autoscale and linear logarithmic graphing e Automatically detects WiVib devices on a network This manual explains how to set up and operate WiVibScope 1 2 Main Screen Features WiVibScope has one main screen that enables all setup and viewing to be carried out Right clicking on various parts of the screen brings up a
11. ill appear in the Sample Status box and no data will be read This will continue until a trigger is detected or triggers are disabled Gates Trigger inputs can also be used as gates A set of measurements will not be taken if the gate signal inputs do not match the criteria specified in the drop down menus Both gates must match Each gate can either be off or require a high or low signal at its input to enable measurement If the signals on the gate s do not match the gate configuration then a message Incorrect Gates will appear in the Sample Status box and no data will be read This will continue until the gate inputs match the gate settings or the gates are turned off Note that a gate has to be in a matched state for the whole of data acquisition period for a gate configuration to be valid and data to be read If no input is connected to a gate then that gate input is read as logic low 3 5 Chapter 3 Taking Measurements This page is intentionally left blank
12. imity probe If you turn these off the trace update rate to the display will be faster Click OK to exit and your settings are automatically saved Don t worry if you are not sure of your settings at this point you can change them any time by right clicking on the display again Now we want to set up our transducers and sensitivities Right click on the Cursor Readout Panel to bring up the screen below 2 2 Chapter 2 Getting Started WiVib Sensor Settings AC Channels Sensor Type Accelerometer Channel 1 100 00 Channel 2 100 00 Channel 3 100 o0 Channel 4 100 00 DC Channels Process Dynamic Sensitivity Units Offset mV Channel 5 10 0 m degC 0 0 Channel 6 10 0 EN 7 degC 0 0 Channel 7 10 0 DNA degC 0 0 Channela DD m degC 0 0 The first item to define here is the type of sensor you are using from the Sensor Type drop down menu The sensor type automatically selects the appropriate units for that sensor based on your metric imperial selection For example the default sensor type is Accelerometer and the units are mv g You can use the default value or adjust the sensitivity to match your sensor Note that the sensor type on the AC channels channels 1 to 4 is the same for all channels you can t mix sensor types The DC channels enable any unit to be defined The default is temperature using a sensor calibrated as 10mV C To change units enter the sensitivit
13. nd Volts selections the column is labelled Gap to indicate this type of measurement These measurements must be enabled in the Display Options dialogue box for these readings to be taken For information both bias and gap readings are taken over a period of one second to eliminate AC signal effects By right clicking anywhere on the panel channel sensitivities and engineering units can be altered Changing a WiVib If you wish to change the WiVib that you are communicating with to another on the same network you can click the WiFi button at any time and select a different WiVib WakeUp Control To conserve battery power the WiVib can be programmed to turn on or wake up at preset intervals This is called WakeUp Mode The frequency at which the unit wakes up is defined in the Wakeup Control panel To turn Wakeup Mode on tick the Set for Wakeup box Now choose the Interval in minutes that you wish between wakeups Click the PowerDown button The WiVib will turn off the Active Link indicator will go red The time at which the WiVib will wake up is shown in the Next Wakeup box When that time is reached the WiVib will turn on 3 2 Chapter 3 Taking Measurements and a set of measurements on the selected channels will be taken The unit will turn off again To leave WakeUp Mode untick the Set for Wakeup box The unit will stay on at the next wakeup time or you can press the ON OFF button on the W Vib to turn it on right a
14. unction is ignored Cursor Panel The cursor can be moved by clicking on the left and right buttons in the Cursor panel It can also be moved by left clicking anywhere on the screen and it can be dragged to a desired position by holding down the left mouse button The cursor can also be set to move to the highest peak on each incoming trace by ticking the Peak Detect box Note that the peak detect function will be disabled if cursors are moved manually The x axis cursor position and machine speed if trigger is enabled are shown in this panel Display update can be paused by clicking the Pause button note that data is still read it is simply not displayed Vertical Scaling Above the Cursor panel is the vertical axis control panel Vert Scale Traces can be boosted and unboosted using the up and down arrows Autoscale is turned on by clicking on this button and a green border indicates that it is enabled It is automatically disabled if a boost unboost button is pressed Channels Channel Selection Channels can be selected or de selected for display by clicking on the appropriate radio buttons The value of the trace at the cursor position on the y axis is shown In the case of process measurements eg temperature the process value is displayed The right hand column shows additional information For Accelerometer and Velocity Probe sensor selections the bias voltage of each sensor is shown in the Bias column For Proximity Probe a
15. way Note that the actual time used is the time of the host PC that the WiVib is communicating with Printing and Saving The screen can be printed or saved using the Print and File buttons Various file types are available from the dropdown list 3 3 Defining Measurement Parameters The panel below shows the parameters that can be modified to suit the type of measurement you wish to take Measure Bandwidth Averaging Trigger Gates Acceleration 2 kHz E None Disabled E G1 Off O Velocity Linear ESO e Peak Hold Bearing No of Lines Display 800 x O Timewave Spectrum Gain Band Filter Hanning High Pass Low Pass Flattop xl d Disabled v Disabled GA Measure The type of measurement is defined here The options are context sensitive depending on the type of sensor selected For example you cannot measure acceleration when using a proximity probe The table below shows the types of measurement that can be taken with each type of sensor Sensor Type Measure Accelerometer Velocity Probe Proximity Probe Volts Acceleration Y N N Volts Velocity Y Y N Volts Displacement N Y Y Volts Bearing Y N N Volts The bearing measurement enables the on board demodulator enveloping function in the WiVib to measure bearing condition Display The selection of a time or spectral display is made here Additionally a Hanning or Flattop window can be selected for the spectrum
16. y in mV unit the name of the unit you want to display eg degC degF psi etc and any offset that the sensor may have The offset is used for example when a 4 20mA sensor has its 4mA level equal to zero and you wish to remove this offset The DC channels channels 5 8 can be set to provide a single process value only selected by clicking the Process radio button Alternatively a dynamic signal such as a timewave or spectrum can be displayed by clicking the Dynamic radio button In reality all of the measurements on DC channels are dynamic but what the process selection does is take 256 samples at 2560Hz ie 100mS sample period average the samples and display the result on the Cursor Readout Panel No trace is displayed for a process measurement Note that channels 1 to 4 are disabled if you are taking dynamic measurements on channels 5 to 8 2 4 Setting Up Your Network If you are finding that a WiVib that is on your network is not connecting check the following e The WiVib access point router and PC are all on the same subnet or have access to each other via an appropriate gateway e The SSID and encryption settings are the same on the WiVib as on the access point router e The host PC IP address on the WiVib ie the PC that the WiVib expects to connect to is the same as your PC If in any doubt use the recommended default settings Refer to the WiVib Operating Manual for full instructions 2 3 Chapter 2 Getting
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