ADASH DDS2000, DDS2007 Data Interface, A4300 VA3 Instrument User’s guide

 User’s guide
DDS2000/DDS2007 Data Interface
for the A4300-VA3 Instrument
Application :
Transfer and archiving of data from instrument A4300 to DDS2000/DDS2007
Transfer route from DDS2000/DDS2007 to instrument A4300
Definition of wide range of sensor types
Characteristics :
Standard communication via RS232
Auto-detection instrument on all serial ports
Route administration and off-route measurement
Ref: 12022008 MK2
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DDS 2000
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DDS 2000
Contents:
Connection of the instrument A4300 to DDS2000 software...............................................4
Connection of the instrument to PC.....................................................................................4
A4300 route creation ...........................................................................................................4
Uploading data from instrument to DDS2000. .....................................................................6
Storing and loading route from file.......................................................................................6
Deleting route ......................................................................................................................6
Working with sensors...........................................................................................................7
The sensor definition error in old databases......................................................................10
Measurement conditions....................................................................................................11
Measurement conditions of spectrum......................................................................................... 12
Measurement conditions of time................................................................................................. 13
Measurement conditions of static ............................................................................................... 15
Parameters for Order analysis.................................................................................................... 17
Balancing ..............................................................................................................................18
Transfering balancing data from instrument to DDS2000..................................................18
Viewing balancing records.................................................................................................19
Balancing data cell local menu ..........................................................................................20
Cooperation with A4300 BDL Application .........................................................................22
The standard procedure of using A4300 BDL interface and A4300 BDL application: .......22
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DDS 2000
Connection of the instrument A4300 to
DDS2000 software
Connection of the instrument to PC
Switch on the instrument, the main menu appears.
Connect the instrument via serial cable, which you receive with instrument. On the instrument use
the connector RS232 on the bottom. On the computer use any free serial port.
A4300 route creation
Select Tools / Connect Instrument / A4300 item in main menu. A new empty transfer window
for data with the instrument appears.
In the window on the right containing the data tree, open the tree to show those items which you
want to measure in your route. By drag and drop move these items to the A4300 window on the
left of the screen. In this window the list of all measurement points appears. By double click or
Enter button it is possible to open each item in the list to show all the sub-items. This is very
similar to the DDS2000 tree.
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DDS 2000
In transfer window A4300 push Find button (ATTENTION - the instrument has to be in main
menu!). When the connection is created, the Instrument found report appears.
In the case of problems check the correct selection of COM port first and correct cable connection
in both side.
In transfer window A4300-VA3 click Transfer to A4300 button. A new window with a list of routes
in the instrument appears (instrument can include max. 30 routes). Click the New route button
and enter the name.
Click the OK button, now the route is downloaded to the instrument. In case of success the OK
report appears.
Disconnect the cable and now you can take route measurements with the A4300-VA3.
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DDS 2000
Uploading data from instrument to DDS2000.
Select Tools / Connect Instrument / A4300 item in main menu. Switch on the instrument and
connect it via serial cable. In transfer window A4300 push Find button (ATTENTION - the
instrument has to be in main menu!). When the connection is created, the Instrument found
report appears.
In the case of problems check the correct selection of COM port first and correct cable connection in
both side.
In transfer window A4300-VA3 click Transfer from A4300 button. Select your route from the list of
routes in the instrument. Click the OK button, now the route is uploaded to the computer.
Click to the Store To Database button. All measured data will be saved to relevant data cells.
IMPORTANT: IF YOU DO NOT PRESS STORE TO DATABASE BUT SIMPLY CLOSE THE
SCREEN THE DATA WILL NOT BE STORED TO THE DATABASE AND YOU MUST REPEAT
THE UPLOAD PROCESS.
Disconnect the cable and now you can make next data acquisition in DDS2000 software.
Storing and loading route from file.
Route list shown in instrument window can be saved by pressing button Save route to file …
When user presses button Load route from file … previously saved route list can be loaded
backwards into instrument route list. Stored files has extension *.route.
ATTENTION The file contains only route description, not any measured data. Any references needed
in moment of creation of the route are loaded from database in that moment.
Deleting route
To delete a route, select the route in routes select dialog and click on button Delete.
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DDS 2000
Working with sensors
DDS2000 enables to define setting for sensors on three levels of data tree. These levels are ROOT,
MACHINE and MEASUREMENT PLACE (tree item with machine flag=ON is called MACHINE and
tree item with measurement place flag=ON is called MEASUREMENT PLACE, ROOT is on the top of
tree and has no parent. The very useful feature of VA3 items is the possibility to define the sensor
type. The list contains several types:
- ACC acceleration ( probably the most often used sensor),
- VEL velocity,
- DISP displacement,
- Speed ( for tacho sensor)
- Volt AC ( any type of AC voltage signal, which user can in DDS2000 convert to any quantity),
- Volt DC ( any type of DC voltage signal),
- User DC ( similar like Volt DC, but user can define the unit, which is displayed on VA3)
- Not defined ( no sensor defined - default selection).
When the sensor type is defined, then all data cells bellow this item use this one. In the tree more then
one sensor can be defined in one branch, each data cell will always use the nearest sensor. It is the
same way, how the DDS operates with speed information. See the Use checkbox, this is the important
thing. User can define sensor in the dialog, but without the Use flag=ON this definition will not be
used.
Summary:
When we store the route to the instrument window, then DDS handles with sensor definition by this
way:
1) if it is checked Use box on measurement place, sensor settings are taken from meas place else
2) if it is checked Use box on machine, sensor settings are taken from machine else
3) if it is checked Use box on root, sensor settings are taken from root else
4) data cells will not be transferred to the instrument, because there is no sensor defined on the
path.
ROOT
Use
machine 1
Use
meas. place 1
Use
data cell
data cell
data cell
meas. place 2
Use
data cell
data cell
machine 2
Use
Example of using sensor definition on various levels
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DDS 2000
To invoke sensor definition dialog, click on Sensor definition button, which is accessible from tree
item edit dialog (see picture below). Next to sensor definition button there is a check box Use. If we
don't want to use sensor settings from this current level, we leave this box unchecked.
Measurement
place flag
definition
Machine flag
definition
Sensor
definition
Sensor USE
flag definition
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DDS 2000
Sensor type
Sensor unit
Sensitivity
ICP ON/OFF
Offset
Range
Allow VA3
route sensor
ON/OFF
Info about
parent sensor
Sensor definition dialog
Combo box Type is enabled only if there are no data in data cells under this tree item. Once user load
data into data cells under this tree item, then it is impossible to change sensor type.
When User is creating new tree item, default sensor for this item is "Not defined" sensor. This sensor
is impossible to use, that's why the Use checbox on tree item is disabled.
Each sensor type has defined group of units, which are compatible with instrument. So we can select
unit only from this group.
VA3 route sensor allowed - we check this box, if we want to use VA3 route sensor. This sensor is
defined in instrument. When we allow to use it, then the sensitivity of sensor is not exactly required
(e.g. we can have defined the 100mV/g in DDS and the VA3 uses the 50mV/g sensor, then the VA3
automatically will use current sensor and will not remind to user the change of sensor).
Parent sensor info - if there is a sensor at the higher level with Use flag set to ON, then setting of
that sensor is shown in info window, otherwise "Not defined" message appears.
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DDS 2000
Unit
selection
Unit type
selection
Unit's prefix
selection
Sensor unit selection dialog
The sensor definition error in old databases
When user downloads the route into instrument window, then every data cell is checked, whether the
sensor definition is correctly defined. All founded errors are displayed in new notepad window. The
data cells with not correctly defined sensors are then not transferred to the instrument. When user has
old database, then this conflict will occur. Because all users probably used only the accelerometer
sensor, the it is possible to define this sensor type to root item and all route functions will work
correctly again. Do not forget check the Use box.
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DDS 2000
Measurement conditions
There exists two basic data cell types for A4300 instrument in DDS:
1. predefined – STATIC VALUE (ISO, BEARING, L-BEARING, RPM, DC)
2. definition free - with measurement conditions enabled - STATIC VALUE (GENERAL,
MANUAL), TIME, SPECTRA, ORDER ANALYSE
For predefined data cells measurement conditions are given by DDS and can’t be changed, they are
read only. See A4300 manual for definition of those predefined measurements.
For definition free data cells user can specify parameters of a measurement.
Each data type has its own dialog for editing measurement conditions. The most important thing is the
measurement path which depends on sensor settings and data cell settings particulary on sensor type
and unit and data cell unit. From this dependence we can determine meas. path, which is:
1) direct path - sensor unit type is the same as data cell unit type (e.g. ACC sensor and ACC
data cell unit type, VEL sensor and VEL data cell unit type, ...)
2) 1 integration path - data cell unit is the first integration of sensor unit (e.g. ACC sensor and
VEL data cell unit , VEL sensor and DISP data cell unit, ....)
3) 2 integration path - data cell unit is the second integration of sensor unit (e.g. ACC sensor
and DISP data cell unit )
4) 1 derivation path - data cell unit is the first derivation of sensor unit (e.g. VEL sensor and
ACC data cell unit, DISP sensor and VEL data cell unit, ....)
5) 2 derivation path - data cell unit is the second derivation of sensor unit (e.g. DISP sensor and
ACC data cell unit)
Note: 1 and 2 derivation path is unacceptable and data cells will not be transferred into the
instrument.
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DDS 2000
Measurement conditions of spectrum
minimum range
value of freq.
baseband
maximum range
value of freq.
baseband
number of lines
minimum value of
freq. band
sampling frequency
(2,56 * max. range)
maximum value of
freq. band
using envelope freq.
band ON / OFF
trigger ON / OFF
number of averages
speed measurement
ON / OFF
Range:
User can choose minimum value from combo box and this value depends on meas. path. If path is
direct, then min. range is always 0,8Hz. For 1 integration path we can select between 1 or 10Hz and
for 2 integration path is min. range 10Hz. We can choose maximum range value from predefined
values in combo box or we can edit this combo box and type value manually. Maximum range is
19200Hz.
Sampling frequency is here just for information and it is 2,56 * max. range.
If we are on direct path, we can use envelope frequency band, for other paths is this control
disabled. Then we can edit minimum a maximum value of frequency band in range 20 - 19200 Hz.
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DDS 2000
Measurement conditions of time
sampling
frequency
number of
samples
minimum range
value of freq.
baseband
maximum range value
of freq. baseband
(sampling freq./ 2,56)
minimum value
of freq. band
using frequency
band ON / OFF
maximum value
of freq. band
envelope path
ON / OFF
trigger ON / OFF
number of
averages (only if
trigger is ON)
speed
measurement
ON / OFF
warning message. Only
if range<fmax and ENV
checbox is unchecked
Sampling frequency- we can select value from predefined values in combo box or edit value
manually.
Samples - here we choose number of samples
Range - maximum range value has information character here and it is sampling frequency / 2,56.
Minimum range value is enabled only if we are not using frequency band and its value depends on the
meas. path. If path is direct then min. range is 0,8Hz, if it is 1 integration path we can select 1Hz or
10Hz value and if it is 2 integration path, min range is 10Hz.
If we use frequency band then we edit minimum and maximum frequency value in range 2019200Hz. Then if fmax > max range and ENV checkbox is unchecked, aliasing occurs and we can
see warning message.Checkbox ENV is enabled in case we are on direct path, so we can use this to
set envelope path in instrument.
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DDS 2000
Measurement conditions of ACMT
pairs per second
in ACMT record
pairs in whole
ACMT record
ACMT record
length
frequency range of
measured signal
Envelope for
ACMT
Frequency band of measured signal is defined in section Frequency band. Maximum frequency
range is 20Hz - 19200Hz.
Sampling frequency item and Samples item define ACMT record.
Sampling frequency item defines number of samples (maximum/minimum pairs) per second in
ACMT record. Minimum value is 8Hz and maximum value is 8000Hz (values in range 648000Hz can be chosen in combo-box, a lower value must be typed manually).
Samples defines number of samples (pairs) in whole ACMT record. Minimum value is 256
samples (pairs) and maximum value is 8192 samples (pairs)
Signal Length shows ACMT record length in second. It depends on Sampling frequency and
Samples item.
Maximum ACMT record length is 1024 second (Sampling frequency = 8 and Samples = 8192).
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DDS 2000
Measurement conditions of static
This dialog is editable only for static types GENERAL and MANUAL, for others is this dialog read only.
evaluation
method
minimum range
value of freq.
baseband
maximum
range value of
freq. baseband
minimum value
of freq. band
signal length
using
frequency band
ON / OFF
maximum value
of freq. band
using envelope
modulator for
measuring on direct
path (only if
integration is not
used)
Evaluation method - we can select between RMS, 0-PEAK, PEAK-PEAK, CREST, KURT, RMS-ENV
Note: RMS-ENV is accesible only if we are on direct path.
Range - enabled only if we don't use frequency band. Minimum range depends on meas. path. For
direct path it is 0,8Hz, for 1 integrator path it is 1Hz or 10Hz and for 2 integrator path it is 10Hz.
Maximum range we can select from predefined values in combo box or edit value manually. Maximum
possible value is 19200Hz.
Signal length - length of signal in seconds
If we use frequency band, then we fill values fmin and fmax in range 20-19200Hz
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DDS 2000
read only dialog for ISO static
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Parameters for Order analysis
Number of computed lines defines number of computed lines (amplitude+phase). Minimum is three
lines (one rotation speed frequency and two nearest harmonics). Maximum is ten lines (one rotation
speed frequency and nine nearest harmonics).
Line width [Hz] is width of a line in hertz. It defines frequency range for order analysis computing.
Minimum is ±0,5Hz and maximum is ±10Hz.
Number of averages. Minimum is off (no average) and maximum is 100 averages.
Range from[Hz] defines low-pass filter for measurement.
direct path - value is 0,8Hz and cannot be changed
1 integration path - 1Hz or 10Hz value can be chosen
2 integration path - value is 10Hz and cannot be changed
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DDS 2000
Balancing
Transfering balancing data from instrument to DDS2000
- from menu Tools/Connect instrument choose instrument A4300
- in dialog A4300 select COM port on which instrument is connected to your PC and click on find
button .
- if instrument is founded, Read from A4300 button becomes enabled.
- after click on read from A4300 button you can see a list of routes in the route manager window, from
which select balance route and click on OK button.
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DDS 2000
Now it is time to import balance data to DDS2000. Just use drag&drop operation to store balancing
data into the DDS2000. After that, new balance data cell is created in the actual database.
Viewing balancing records
Open a DDS tree up to the level containing a balancing data cell. Now you have three possibilities to
view signal in the data cell.
- by left mouse double-click on selected data cell,
- by activating the data cell and pressing the Enter key,
- by activating the data cell and using the Draw Data local menu command (right mouse button).
Now the balancing record from this data cell appears on the screen.
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DDS 2000
From this report dialog we can use followed commands by clicking on particular buttons:
Print - command to print protocol to the printer. Having selected this command the standard window
for printer output appears.
Open Browser - command to open internet explorer and view balancing protocol.
Done - command to close protocol dialog.
Balancing data cell local menu
To access commands from local menu, click right mouse button on balancing data cell
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DDS 2000
Add Data Cell - add new data cell into actual tree branch.
Delete Data Cell - remove actual data cell.
Draw Data - view balancing protocol.
Edit Data - opens edit dialog for editing balance data.
Note editing
Record
deleting
Protocol
viewing
Save to Clipboard as Bitmap - save copy of tree window into the clipboard as bitmap.
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DDS 2000
Cooperation with A4300 BDL Application
DDS 2000 does not need to have the A4300 instrument connected directly to set route or download
measured data. The route and data can be transferred by standalone application A4300 Binary
Downloader (A4300 BDL in next text). Of course only the DataCollector modification of A4300
instrument, which allows measuring routes is intended to communicate with A4300 BDL.
Routes and data are transferred as the files. Route files have the extension of .a4300r, the data file
have the extension of .a4300d. You need to have licensed A4300 BDL interface for DDS. The person
responsible for measuring needs the A4300 BDL application license (see also A4300 BDL user’s
guide for more).
There appear two additional buttons in the A4300 instrument connection window when you have the
A4300 BDL interface for DDS available.
BDL Export – exports the A4300 route into the file with extension .a4300r. The file can be loaded into
instrument by A4300 BDL application.
BDL Import – imports the A4300 data file. It is the file created by A4300 BDL application, having
extension of .a4300d.
The standard procedure of using A4300 BDL interface and A4300
BDL application
1.
2.
3.
4.
In DDS, open A4300 instrument connection window
Create the route as described in the A4300 route creation chapter
Click the BDL Export button
Standard Save File As dialog appears with the file name equal to the name of your route (we
recommend to keep this file name)
5. Click the Save button to save route file
6. Get the saved route file and send it to the person who will perform all measurements.
The person responsible for measurements gets the route file. Then he/she loads it into A4300
instrument (using A4300 BDL standalone application) and performs all the measurements. After that
he/she downloads the measured data into the data file and sends this file to you.
7.
8.
9.
10.
In DDS, open A4300 instrument connection window
Click the BDL Import button
Standard Open File dialog appears
Select the data file and click the Open button to load the route with measured data - the Store
To Database button in the A4300 connection window becomes enabled
11. Click the Store To Database button to transfer measured data into database
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