Adash VA4 Pro II User manual

USER MANUAL
A4400 VA4 Pro
A4404 SAB with Virtual Unit
Version 2.69 – May 31, 2019

ADASH Adash 4400 – VA4Pro
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Content:
Before you begin read this manual ......................................................................... 8
A4400 VA4 Pro vs. A4404 SAB ................................................................................ 9
A4400 VA4 Pro.................................................................................................................. 9
A4404 SAB (Signal Analyzer Box)..................................................................................... 9
Graph control by mouse 9
Before Switching On............................................................................................... 11
General warnings ............................................................................................................ 11
PC USB connection warning ........................................................................................... 11
Battery charging ..................................................................................................... 12
General information................................................................................................ 13
The upper panel .............................................................................................................. 13
The switching-on ............................................................................................................. 13
The switch off .................................................................................................................. 14
The Sleep mode.............................................................................................................. 14
Auto switch off................................................................................................................. 14
The emergency switch off................................................................................................ 14
Disc free capacity warning...............................................................................................14
Connection to the computer............................................................................................. 14
VA4_DISC 14
Connection 14
VAx_DISC (for VA4 II only) 15
The charging ................................................................................................................... 15
The DSP board - monitoring and reset ............................................................................15
Virtual Analyzers Data Processing................................................................................... 16
Run the instrument on your computer..............................................................................16
How to work with Menu.......................................................................................... 17
Item selection .................................................................................................................. 17
User defined values......................................................................................................... 17
Multi-selection of items.................................................................................................... 19
Searching of item ............................................................................................................19
Input channels ........................................................................................................ 20
IN1 socket ....................................................................................................................... 20
IN2 socket ....................................................................................................................... 21
IN3 socket ....................................................................................................................... 21
IN4 socket ....................................................................................................................... 21
TRIG socket .................................................................................................................... 22
Standard cable wiring...................................................................................................... 22
Input channels (ODU variation) ............................................................................. 23
IN1 Socket....................................................................................................................... 23
IN2 Socket....................................................................................................................... 23
IN3 Socket....................................................................................................................... 24
IN4 Socket....................................................................................................................... 24
TRIG Socket....................................................................................................................25
A4409 - BNC Box .................................................................................................... 26
Sensors properties ................................................................................................. 27
AC sensors...................................................................................................................... 27
ISO 10816 Machine Groups ............................................................................................ 28
Bearing Settings.............................................................................................................. 28
DC sensors .....................................................................................................................29
Tacho.............................................................................................................................. 29

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Settling prolongation........................................................................................................ 30
Sensor Properties of recorded signal............................................................................... 30
Global properties .................................................................................................... 31
Power Off ........................................................................................................................ 31
Brightness ....................................................................................................................... 31
Screenshot...................................................................................................................... 31
Export All......................................................................................................................... 31
The About ....................................................................................................................... 31
Help................................................................................................................................. 31
Trigger Settings............................................................................................................... 32
Global Settings................................................................................................................34
Appearance..................................................................................................................... 35
Runup ............................................................................................................................. 36
Spectrum Settings........................................................................................................... 36
Date/ Time....................................................................................................................... 37
User Notes Settings ........................................................................................................ 37
Profiles ............................................................................................................................37
Signal Source.................................................................................................................. 38
The Main screen...................................................................................................... 39
Update of the unit firmware ............................................................................................. 39
Update of bearing database ............................................................................................39
Battery capacity............................................................................................................... 40
Instrument buttons ................................................................................................. 41
Control and Menu buttons ............................................................................................... 41
The Shift button...............................................................................................................41
Speed detection ...................................................................................................... 42
The Analyzer mode................................................................................................. 43
The Meas ........................................................................................................................ 43
The Graph....................................................................................................................... 43
The Set ........................................................................................................................... 43
The Project...................................................................................................................... 43
Export of the Project to the VA4_DISC (flash disc).......................................................... 43
First Analyzer screen....................................................................................................... 43
New Project - Set creation...............................................................................................44
New Project - L1/Set creation.......................................................................................... 45
New Project - L2/L1/Set creation ..................................................................................... 45
New Meas creation.......................................................................................................... 46
New Basic 46
New Advanced 48
Next Meas functions........................................................................................................ 49
CSV file description.........................................................................................................50
Next functions available for list of projects....................................................................... 50
Functions for Set ............................................................................................................. 51
Enter speed..................................................................................................................... 51
Cancel speed .................................................................................................................. 52
Measurement Definition in the Set................................................................................... 52
Input Buffering.................................................................................................................53
Band fmin[Hz] - HP filtering ............................................................................................. 54
The Analyzer buttons description .................................................................................... 54
The Arrow Mode button 54
The Start, OK button 55
The Stop, Cancel, Back and Close button 55
Graph Max/Min 55
Graph Properties 55
FASIT measurement .......................................................................................................61

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Overall measurement ......................................................................................................62
ISO 10816 overall measurement 63
Spectrum measurement .................................................................................................. 64
Full spectrum 65
Time signal measurement ............................................................................................... 67
Time signal averaging 67
Time signal with DC offset (gap) 67
G-demod spectrum measurement ................................................................................... 68
G-demod time signal measurement................................................................................. 69
G-demod overall measurement ....................................................................................... 69
1x amp+phase measurement .......................................................................................... 69
Orbit measurement.......................................................................................................... 70
Orbit measurement with DC offset (gap) 70
Filtered orbit measurement.............................................................................................. 71
Speed measurement .......................................................................................................71
ACMT measurement .......................................................................................................72
Orders measurement.......................................................................................................72
Order spectrum measurement (order tracking analysis) .................................................. 73
Order full spectrum 74
Phase shift measurement................................................................................................ 74
DC measurement ............................................................................................................75
Frf measurement - frequency response function.............................................................. 75
Octave spectrum, sound level and equivalent sound level measurement ........................ 77
Center line measurement ................................................................................................ 77
S-max measurement .......................................................................................................78
Cepstrum measurement.................................................................................................. 78
Ultrasound measurement ................................................................................................ 79
Record ............................................................................................................................ 79
The Balancer ........................................................................................................... 80
Introduction .....................................................................................................................80
The Project...................................................................................................................... 80
The Project Screen.......................................................................................................... 80
The first screen................................................................................................................ 81
New project ..................................................................................................................... 83
Balancer Settings ............................................................................................................83
Basic Settings 83
Units Settings 84
Rotor Settings 84
Single plane balancing ....................................................................................................85
RUN 1 screen 85
RUN 2 - the TRIAL MASS screen 86
RUN 2 - the RESULT screen 87
The RUN 3 screen 90
Trim Screens 91
Dual plane balancing.......................................................................................................91
RUN 1 screen 91
RUN 2 with trial mass in plane 1 92
RUN 2 with trial mass in plane 2 93
RUN 2 - Result screen 94
The RUN 3 screen 95
Trim Screens 96
Balancing Errors.............................................................................................................. 96
The effect of trial weight is low 96
The RunUp............................................................................................................... 97
Measurement Control...................................................................................................... 97
The Set and other items ..................................................................................................97
Run up measurement...................................................................................................... 97

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Menu Trend..................................................................................................................... 98
The Route .............................................................................................................. 100
Loading of the route to the instrument ........................................................................... 100
Creation of the route tree............................................................................................... 100
Route measurement...................................................................................................... 100
Reference values .......................................................................................................... 102
Manual entry ................................................................................................................. 103
Notes............................................................................................................................. 103
New note 104
Note edit 105
Export to VA4_DISC...................................................................................................... 105
Download of the route to the computer.......................................................................... 105
Speed in the route......................................................................................................... 106
Speed entered in the VA4 106
Speed entered in DDS 106
Measured Speed 106
The Recorder......................................................................................................... 107
New Record .................................................................................................................. 107
Editing of Record........................................................................................................... 108
Project button 108
Export to wav Settings 109
Sensors button 109
Record button 109
START button 109
Properties button 109
Cursor and Length arrow buttons 109
Arrow mode 110
Zoom X button 110
Zoom Y button 110
Using of record for analyzing......................................................................................... 110
Temporary records........................................................................................................ 111
The FASIT .............................................................................................................. 112
Set-up ........................................................................................................................... 112
Sensor Settings............................................................................................................. 112
Units.............................................................................................................................. 112
Measurement ................................................................................................................ 112
FASIT screen ................................................................................................................ 113
Vibration Limits.............................................................................................................. 113
Machine limits ............................................................................................................... 115
Bearing Limits ............................................................................................................... 116
Unbalance, Misalignment and Looseness ..................................................................... 116
The Stethoscope................................................................................................... 117
The delay of audio output .............................................................................................. 117
Playback Settings.......................................................................................................... 117
Stereo channels setup 118
The Lubri - the greasing control.......................................................................... 119
Two Possible Ways How to Measure ............................................................................ 119
The procedure............................................................................................................... 120
Octave Analysis .................................................................................................... 122
Octave Analysis Algorithm............................................................................................. 123
Bump Test ............................................................................................................. 124
Settings ......................................................................................................................... 124
Amplitude trigger setting................................................................................................ 124
Response spectrum ...................................................................................................... 125

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Analyse ......................................................................................................................... 126
ADS ........................................................................................................................ 127
ADS project................................................................................................................... 127
Import of project from computer to VA4 127
Rewriting of geometry 127
Project menu.................................................................................................................127
Copy 128
Rename 128
Delete 128
Clear Data 128
Export Data 128
Export Project 128
ADS Settings................................................................................................................. 128
Measurement definition 129
Reference direction 129
Frequency for Animation 129
Views ............................................................................................................................ 129
Machine View 129
Measurement View 130
Machine+Measurement View 130
Automatic change of view 132
Buttons in Machine View ............................................................................................... 132
Fit 132
Arrow Mode 132
Point 132
Direction 132
Zoom/Move/Rotation 132
Blink on/Blink off 132
Hide on/Hide off 132
Start/Stop Animation 132
Enter Direction 132
Start 132
Buttons in Measurement View....................................................................................... 132
180° on/180°off 132
Save 133
Ultrasound............................................................................................................. 134
Introduction ................................................................................................................... 134
Sensor setting ............................................................................................................... 134
Settings ......................................................................................................................... 134
Measurement ................................................................................................................ 135
Listening........................................................................................................................ 135
A4410 Virtual Unit ................................................................................................. 136
Installation..................................................................................................................... 136
A4404 – SAB drivers installation 136
Software Installation 137
License file 137
Update .......................................................................................................................... 137
Operation ...................................................................................................................... 137
VA4_DISC..................................................................................................................... 137
VA4_DISC Folders Structure 137
A4410 Virtual unit and A4400 VA4Pro connection......................................................... 137
Copying projects to the VA4Pro instrument 138
Projects and records copy from the VA4Pro instrument 138
The Virtual Unit vs. the real instrument differences........................................................ 138
Appendix A: Technical Specification.................................................................. 139

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Inputs ............................................................................................................................ 139
Dynamic Channels (AC) 139
Tacho Channel 139
Static Channels (DC or 4-20mA) 139
Measurement Functions................................................................................................ 139
Recording:..................................................................................................................... 140
Balancing: ..................................................................................................................... 140
General VA4 Pro II (from 2018): .................................................................................... 140
General VA4 Pro (up to 2018): ...................................................................................... 141
Appendix B : Phase measurement conventions................................................ 142
Single channel measurement with tacho ....................................................................... 142
Dual channel measurement........................................................................................... 145
Last reminder ................................................................................................................ 145

ADASH Adash 4400 – VA4Pro
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Before you begin read this manual
The VA4 Pro device is continuously developed and new functions and features are added quite often. Such
additions also require changes in manual and that changes can be very time expensive. That is why we do not
change all pictures in the manual so that are related to the latest version. Some pictures (which are usually only
backgrounds) remain in the manual although they were changed already. Certainly it is acceptable only on
places, where such background has no consequences.

ADASH Adash 4400 – VA4Pro
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A4400 VA4 Pro vs. A4404 SAB
Both of these units are described in this user manual. This chapter should clear up the difference between
A4400 VA4 Pro vibration analyzer and A4404 SAB vibration analyzer.
A4400 VA4 Pro
A4400 VA4 Pro is a portable vibration analyzer which is based on unique Digital Signal Processing board (DSP)
developed by Adash.
A4400 VA4 Pro analyzer
A4404 SAB (Signal Analyzer Box)
A4404 SAB is a pocket size vibration analyzer which contains input connectors for sensors. It does not contain
keyboard and screen. It must be used with computer. It uses the same DSP board as VA4 Pro analyzer. You
need to install the A4410 Virtual Unit software on your computer and then you can use all functions which are
available in VA4 Pro analyzer. The software is free. It enables you to test all VA4 features before you will buy it.
See the website for details.
Graph control by mouse
A4410 Virtual Unit runs on PC. Therefore you control graphs by mouse.
Graph selection
Left button click
Cursor Move
Left button click on signal. Both X and Y coordinates are used, it means you should click to signal line.
Maximalization / Minimalization
Left button double click
Zoom
Mouse wheel
When the mouse cursor takes place bellow (or slightly above) the x axe, only the x axe is zoomed.
When the mouse cursor takes place to the left from the y axe, only the y axe is zoomed.
When the mouse cursor takes place in the inner area of the graph, both the x and the y axes are zoomed.

ADASH Adash 4400 – VA4Pro
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Signal Move
Move mouse with the left button pressed

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Before Switching On
General warnings
Never connect higher then 30 V to the Analyzer !
Only suitable ICP powered sensors can be connected to the AC signal inputs.
If the measurement without ICP power is required, ICP power must be switched off. You can damage the
external signal source, which is not protected against ICP powering.
AC channels - voltage higher then 18 V (peak) can damage the instrument.
DC channels - voltage higher then 30 V (peak) can damage the instrument.
Always use only original cables designed for connection with sensor.
Long push and hold of POWER button evokes incorrect instrument switching off. Data could be lost.
If you are unsure, contact your distributor or the manufacturer.
PC USB connection warning
Switch off the A4400 instrument when you connect/disconnect it to/from computer by USB cable.
Ignoring any recommendations mentioned below may cause failure of the device.
Operating with a power higher then 24 V can cause an accident.

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Battery charging
Charge the battery only at 0 - 40°C (30 - 100 °F) !
The unit uses Li-ION (LiON) batteries. This type of battery should not be discharged completely. If the battery is
discharged below certain Voltage, we call it deep discharging. The deep discharging shortens battery life. The
charging of deeply discharged battery takes much longer.
If the unit is not charged for longer period of time, then the deep discharge can occur. It is caused by self-
discharging of the battery. Another cause of deep discharge can be a situation when the unit is switched to the
SLEEP mode by the Power Off button (instead of switching off the unit).
When the battery is deeply discharged, it takes much longer to charge it again. Sometimes the indicator on the
charger does not light when the battery is deeply discharged – it does not mean it is not charging. Please keep
the battery charging even if the indicator does not light, the indicator will start light eventually.
To avoid deep discharge of the unit, charge the unit regularly, even when you don’t use it. We recommend you
to check if it is charged every 3 months.
WHAT TO DO WHEN YOU CANNOT SWITCH ON THE UNIT/ WHEN THE UNIT CANNOT BE CHARGED
NORMALLY:
- Discharged battery – battery needs to be charged (charging for approximately 3 hours), the unit can
be switched on normally with the charger connected
- Deeply discharged battery, when the unit wasn’t charged for longer period of time – the unit needs to
be charged completely until the indicator on the charger starts light green. It can take more than 12
hours. The indicator on the charged does not light from the beginning of charging process. Sometimes it
is not possible to switch on the unit even with the charger connected.
- Damaged charger – when the charger is connected, the indicator should start to light (green or orange
color), only with deep discharge the indicator does not light immediately.
- Sudden decrease of battery life – the unit needs to be charged and discharged completely few times
(usually 2-5 times). The battery lifetime should increase this way.

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General information
The upper panel
Version A4400 VA4 Pro II (from January 2018)
Older version A4400 VA4 Pro
The switching-on
The power button is in bottom right corner of the front panel. Two LEDs are in the upper right corner. The left
indicates switch on, the right indicates charging. Press the button for a few seconds until the left LED begins to
light. Firstly it blinks red for a while, then it lights green.
The older version has power bottom on upper panel. The green LED is in the upper right corner of the front
panel. Press the button and the LED lights on.

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The switch off
The switching off can be done by:
- Power Off button on the main screen,
- in the Global menu is the Power Off item available.
Warning! The general power button (intended for the switching on) doesn't turn the unit off. It switches the unit
into a sleep mode!
The Sleep mode
Use the power button (described in "The switching on" chapter) to switch the instrument into a sleep mode. The
screen is off and power consumption is lower in the sleep mode. Use the same power button to wake up the unit
again.
Auto switch off
If no button is pushed in 5 minutes from switching on, the unit will be switched off.
The emergency switch off
This is not correct method to switch off the instrument. Using it can cause data corruption. Use this method only
in case of emergency (eg. when the system freezes).
Push and hold the POWER button for about 5 seconds. Instrument will switch off.
Disc free capacity warning
If this warning message appears, you need to get free disc space by removing the measurements, routes or
records, which are not actual.
Connection to the computer
VA4_DISC
All data like projects, measurements, readings, setups and so on are stored to a high capacity hard disk which
is intended for internal purposes only. Furthermore the instrument contains a flash memory (VA4_DISC), which
is accessible from external computer. The VA4_DISC is an interface for user's data. For example, you save a
route project from DDS to the VA4_DISC, the instrument stores it automatically to its hard disk, then you work
with the route (make some measurements, look at data) and eventually export the modified route back to the
VA4_DISC, from where you can access it from external computer. You don't need to export all data from
internal hard disk. Export only the data which you want to access from computer. A detailed description how to
export will be stated later in chapters about project's control for each module.
Connection
To make a connection between computer and instrument (more precisely VA4_DISC) use the USB cable which
is the standard accessory of VA4 set. Connect the small plug to the USB socket (see the image above).
Connect second plug to the computer.

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The connection to PC is indicated by icon located on the bottom right corner next to battery icon. For data
download you must be in the main screen.
Until you are not on main screen, the VA4_DISC remains to be connected to the instrument processor and you
cannot see it on your PC. The real connection with PC is announced by the message box.
VAx_DISC (for VA4 II only)
Sometimes you may need higher capacity interface disk than the VA4_DISC (16GB for VA4 II). You can
connect any external disk via USB. In order that the instrument is able to recognize your disk, you must name it
as VAx_DISC. Use a standard USB OTG cable (see bellow) to allow the instrument to act as a host. Connect
the small plug to the USB socket then connect the VAx_DISC to the OTG's socket. When VAx_DISC is
connected the instrument prefers it rather than VA4_DISC.
Note: The OTG cable is not a standard accessory of VA4 set.
The charging
The POWER socket for external charger is on the top panel. Indicating LED diode is in upper right corner of
front panel. The LED lights red during charging and lights green when fully charged.
Note. Two LEDs are in upper right corner. The left one for switching on and the right one for charging.
The older version has the socket for external charger on the upper panel above the POWER button. The BAT
LED on the upper panel lights orange during charging. When the battery is fully charged, it lights green.
The DSP board - monitoring and reset
The DSP board is the most important part of the instrument. The special chip provides all necessary operations,
which are required for achieving of 4 channel synchronous data.
The STAT LED is on the top panel and enables to monitor the DSP board. Several states can appear:
- Green with 0.25sec time interval (4Hz, four times per sec) - the measurement is running.
- Green with 1 sec time interval - STANDBY, the measurement is not running.
- Red - the DSP board does not work properly. Turn the instrument off and on.
The older version enables different procedure. When the red STAT occurs, do the reset of DSP board. Do not
switch-off the instrument. Use the slim not sharp thing (e.g. paper clip) and push the button, which is hidden in
the RST hole.

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Next LED is near each input connector:
- green – OK
- no light – no measurement is taken in this input
- red – error (usually ICP error).
Note: During the measurement are functional only LEDs for inputs used for measurement (e.g. red LED ends
the lighting during the measurement and starts again after it).
Virtual Analyzers Data Processing
When older Analyzers would take more measurements, they took them step by step. If the user wanted e.g.
acceleration overall, velocity overall, velocity time signal and velocity spectrum from one sensor, then the
Analyzers took first overall, then second overall with integration, then time signal and finally spectrum. The time
which was required for all 4 measurements was the sum of 4 individual times.
The instrument includes high speed chips and it uses the much more advanced concept. For every individual
measurement is created one virtual Analyzer in the instrument memory. All virtual Analyzers read data from
input DSP board and perform required data acquisition.
What does it mean? It means, that the total required time is not equal the sum of all individual times, but it is
equal the time required for the longest measurement.
Run the instrument on your computer
The A4410 Virtual Unit you can download from the producer’s website. Install it on your PC. Now you can easy
try to work with all functions in your computer. Do not forget define the record as signal source. You can also
download the next records from that website. See the A4410 Virtual Unit chapter for more details.

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How to work with Menu
For the taking of measurements you have to define many parameters. All those definitions are providing by
menu items. The procedure for operation with all menu items is the same. We describe it on example - the
sensor properties definition.
Item selection
The sensor properties first menu appears after you push the Sensors button.
Use the arrow buttons for one item selection, e.g. AC2. Then push OK button. The second menu appears.
Again use the arrow button for one item selection. Then push the right arrow button to display possible
parameters of selected item. E.g. for Sensitivity you see this picture:
User defined values
Again use the arrow button for one sensitivity selection (1,10,100). In most of cases you want to enter the user
sensitivity according to the real sensor sensitivity of your sensor (e.g. 96,8 mV/g). Select the user and push OK.
The next window appears and the buttons get the numerical values entry functions.

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Use the buttons and enter required value (e.g.45). If you need to edit the value, push the Shift button. The
buttons change the functions of buttons.

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Now you can move the cursor, to use the Delete function. Press the Shift again and the buttons functions
change back. When the value is correct, push OK. The menu with new value appears.
Use the arrows and select the Save item. Press the OK button and the working with sensors menu will close.
Also you can use the Save button with the same function. When the Cancel button is used, then nothing is
saved.
As we mentioned the value entry, also the text has to be entered in some menu items. The screen looks similar
to the numerical screen. The only difference is the characters selection on buttons. It works like mobile phones
keypad, for second character selection you must press the button two times.
Multi-selection of items
Sometimes you could need to work with more then one item together. The usual example is the deleting of more
items in one step.
The left bottom button Multi on enables to select more items at once. Press the Multi on button. When you
move in the list by arrows, the items remain selected (red color) or unselected (black color). Press the same
button (now the Multi off) again for ending of multi-selection.
Example of multi-selected items. It needs a short time to play with and to find the right understanding of this
feature. The item with the cursor (the full blue field) can be selected or unselected too. The standard yellow
color means unselecting and the red color means selecting.
Searching of item
If the list is to long or you know the name, then use the Find button. Enter the name or part of name and
confirm.

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Input channels
All input sockets are in the top panel. The versions older then 0200 had only 3 sockets in the panel.
Top panel of A4400 Va4 Pro II (from 2018).
The input sockets labeled IN1, IN2, IN3, IN4 are used for AC or DC signals. The input socket labeled TRIG is
used for trigger signals, usually tacho. All sockets have several pins. It enables to connect more signals to one
socket (see wire diagrams).
The AC inputs enable to measure max voltage peak +/-12V. The DC channels enable to measure max +/-24V.
IN1 socket
1 – CH1 AC INPUT
2 – GROUND
3 – +20V DC OUTPUT (max 10mA) for eventual sensor powering
4 – SHIELDING
5 – NOT USED
6 – CH1 DC INPUT
7 – +5 V DC OUTPUT (max 50 mA) for ultrasound sensor powering
Warning! Pin 7 of IN1 socket (ultrasound sensor powering) is internally connected with pin 4 of TRIG socket
(tacho sensor powering).