Accelerometer with field point

Hi,
I need to use the Field point system for mesure the vibration, what's module whith module i must utilise?
N
Bytelabs.it

Hi Nicola,
First you have to have in mind that FieldPoint is a line of distributed I/O modules, a I/O module is not a sensor, but a device that acquires a signal from a sensor.
Having that in mind the FieldPoint I/O module to be used will depend on the sensor that you choose to measure vibration. There are several sensors to measure vibration and therefore they vary on the type of output signal they provide. Some accelerometers will provide a "duty-cycle output signal" as you can see in the following page :
http://webs.cs.berkeley.edu/tos/hardware/design/data_sheets/adxl202lcc.pdf
Some other accelerometers will provide voltage or even current as an output, so really the FieldPoint I/O module that you will choose will depend on which type of sen
sor you use.
The modules that I believe will match some of the sensors in the market for vibration include :
[c]FP-AI-110, [c]FP-AI-111, [c]FP-AI-100 for analog output sensors.
[c]FP-CTR-50x for frequency output sensors...
However have in mind that even if you find a frequency output sensor for vibration, you still have to check if the sensor matches the [c]FP-CTR-50x as far as two important factors :
- Sinking or sourcing
- Threshold
I hope it helps
Best Regards
Andre Oliveira

Similar Messages

Hello, I have created a distribution kit for my program.The problem is that the when the program is installed onto another computer, it fails to communicate with field point (Using FP-AO-200 and FP-AO-1000). Help is greatly appreciated, Thanks faen9901

Hi Everyone,
I have a program that sends information(analog output) to lab windows cvi in the form of a text file or user input.
The program runs on the computers that I have the field point explorer and lab windows cvi installed on. In order to run the program without always installing labwindows/cvi and field point; I wanted to create an executable file that could be load on another computer.
I used the create distribution kit part of labwindows/cvi to do this.After creating the distribution kit, I then installed it
to another computer.
My user interface appears on the screen, when the user clicks on the exe. file, but no data is sent to the field point module. I know that the data is being read from the user and textfile because in it appears in the uir.
The following are some details about the problem:
1. On another computer without labwindows/cvi and field point explorer not installed - no data is sent to field point module
I know this because a current is being read on the current meter connected to field point module.
My questions are the following:
1. What are the possible reasons for the data not being sent to the field point module?
2. Do I still need to create an iak. (Installing Field point Explorer) file stored on any new computer that I install my created distribution kit file too?
Thankyou very much for any help that you can provide. I greatly appreciate it.
Faen9901

Re: Hello, I have created a distribution kit for my program.The problem is that the when the program is installed onto another computer, it fails to communicate with field point (Using FP-AO-200 and FP-AO-1000). Help is greatly appreciated, Thanks faen9901Faen9901,
1) If you do not install FieldPoint Explorer, the FieldPoint Server is not installed so there is nothing on the target computer that knows how to talk to the FieldPoint system.
2) Yes, you need an IAK file on the target computer. Assuming the settings (i.e. com port#) are identical you can simply include the iak file as part of the distribution.
3) You also need to include as part of your installer the file "fplwmgr.dll". If this file is not installed, your program will not be able to access the FieldPoint Server. Alternatively, this file is installed automatically if FieldPoint Explorer detects LabWindows/CVI or Measurement Studio Development versions on the target computer or if you choose to do a custom FieldPoint Explorer installation and
choose to provide LabWindows/CVI support.
Regards,
Aaron

Digital Potentiometer control in Labview with Field Point Unit

Hi..
I need some help on programming the LABVIEW to control the digital potentiometer.
It is AD7376 which 4 channels are used to control the digital potentiometer, and Field Point Unit FP-DO-403 thr. RS232.
– Channel 0 (POT_D), Channel 2 (POT_CS), Channel 3 (POT_Clk), and Channel 7 (POT_R).
-SDI (serial data input) contains 7 data bits. The first is the MSB.
-ClK provides the correct time reading the serial data.
-CS (chip select) only allows the reading of the data. CS is on 0 during the loading. POT-CS is used when 7 bits data is finish loading.
- POT_R is used as CLEAR.
After the calculation depending of the different conditions, 7 data bits data is created and changed to the opposite numbers (1-->0, 0-->1).
For example; if the calculated binary number is 1001011, the the output 7 bits data is 0110100
so Those data has to go to SDI (Channel 0 (POT_D)) starting from 0110100 and for each bit CLOCK has turn on and off to shift the bits controlled by Channel 3 (POT_Clk).
For example,
0 ---> POT_D then POT_Clk -->On/Off
1---> POT_D then POT_Clk -->On/Off
0---> POT_D then POT_Clk---> On/Off
Can this be done automaticaly? Could you help me on this?
I was able to program it until producing 7 binary bits (refer to the attached file) but by Giving 7 different bits at once to ONE channel, I get error..
Message Edited by Black Comb on 11-01-2007 08:51 PM
Message Edited by Black Comb on 11-01-2007 08:54 PM
Attachments:
AD7376toBIN44.vi ‏49 KB

Black,
Here is a concept for how to do it. Did not have time to look at data sheet for IC but this should be a good starting point.
Attachments:
Create inverted 7Bit Array.vi ‏19 KB

The field point 4.1 software does not get installed, how to install the software and work on field point 20xx

We want to know the basics of installation of field point s/w and where to start from after installation.
Then we also need the details of HOW TO WORK in it. what are the other hardware and software that are necessarily to be installed along with field point in the PC. How to connect the hardware fp2000, to the PC.
Actually we tried installing the field point s/w, but we did not get the field point explorer icon to continue working.

Hi.
You can find informations in the NI Developer Zone (Distributed I/O -Fieldpoint)
http://zone.ni.com/devzone/devzone.nsf/webcategories/67EFA8729F4A7741862567E1006EDA74
and here for the Basics:http://zone.ni.com/devzone/conceptd.nsf/webmain/2124F6BBD29663D886256CB80054DBD7
Configure your fieldpoint in MAX.

Does field point have pulse train output greater than 50KHz

I am trying to develop a flexiable simulator using NI Field Point. So far my only concern is producing a pulse train of around 500KHz. Is there a way to do this with field points counter moudles or with some other methodology

There are currently no FieldPoint IO modules that output greater than 16 kHz. Specifically, the following modules can output at the listed maximum frequencies:
FP-CTR-500: 16 kHz
FP-CTR-502: 16 kHz
FP-PWM-520: 1 kHz
FP-PG-522: 2 kHz
You could use some external signal generation circuitry that is controlled by the FieldPoint modules, but the FieldPoint modules themselves can not handle that speed.
Regards,
Aaron

Distribute measurment studio application with opc conntection to field point

I have written an Measurement Studio application with an DataSocket connection to an OPC Sever of an field point 1808. If I distribute this application to another computer I can't get a connection to the OPC Server of the field point. The application works fine on the developent computer of the application. On the other computer is just installed the MAX and the drivers from the Field Point CD. As well I configured the Field Point on that computer. We I browse for an OPC tag in the distibuted application I am not able to access any OPC server, even if I see them. Does anybody have an explanation for that?
Thanks Bernd

Hi Daniel,
sorry that i answer you so late. I got an error like "opxproxy.dll could not be found". So meanwhile I checked the system and the opxproxy file was found in the "winnt/system32" directory. After i register the opcproxy.dll manually with the shell command " regsvr32 opxproxy..dll" everything was working fine. Normally, this file should register itself automatically.
Bye
Bernd

Compact Field Point with Touch Panel

Hi.
Have anyone designed a NI Compact Field Point or Compact RIO with a connected Touch Panel Monitor?
I have an instrument with RS232 output (serial data). Since I am using LabVIEW 8,
the executed application should run in Embedded WinXP. But, I need a touch panel for control and monitoring.
I would appreciate any advise please.
Thanks in advance.
Bon

Hey Bon,
What kind of information are you looking for? NI sells a TPC 2006 device which is a touch panel and runs windows CE. This device can be programmed using LabVIEW PDA. This device has a Ethernet port so that you can also communicate to the cRIO or the cFP. Is this what you are looking to do? You can call in on (888) 280-7645 and a sales person would be able to understand your application much better and advise you accordingly.
Regards,
Chetan K
Application Engineering
NI

Gsm modem with compact field point

Hi,
I need to acquire and send data via ftp using a Compact Field Point (there no possibility to use a lan connection or a phone line). I think a possible solution is the use of a GSM modem. Is it possible to connect the CFP to a service provider and access it via ftp (or web server)?
thank you,
paolo.

Paolo Squillari wrote:
Hi,
I need to acquire and send data via ftp using a Compact Field Point (there no possibility to use a lan connection or a phone line). I think a possible solution is the use of a GSM modem. Is it possible to connect the CFP to a service provider and access it via ftp (or web server)?
thank you,
paolo.
Hello Paolo
I have recently been faced with a similar situation. We have a cFP that is in a remote location and being used to log data and control a vacuum system. We also considered the GSM tool box suggested above, but found that it would be too expensive for the actual functionality we required of it.
Insted we have written our own vi's to send GPRS email etc.
If you need help regarding the proceedure etc just ask
Jan

Generic Delta with numeric pointer (Without safety interval and no field)

Hi
We have problems with Generic Delta extraction. Our previous Dev has created the data source with numeric pointer as the data source without any safety interval and without any field for numeric pointer selection even we have the date field (creation and change dates in view)....
He created the generic delta with numeric pointer and Additive delta selection on top of view (EKKO,EKPO and EKKN). So we are missing lot of records. Now I need to fix this asap, I have done generic delta with timestamp and cal day with change/creation date.
Now in order to fix our delta loads should I use the cal day as the delta pointer with change or creation date already available or is it ok to use numeric pointer with additive delta and safety lower limit as 10 or 20 with upper limit blank?
Also Should I use any field in the field nm section or is it ok to leave it blank ? Please advice...
Note: I checked the missing delta records in ECC and the change timing is in the afternoon and our load time is only night...We also have several other data sources with same settings (numeric with no safety and no field) but it is not giving any issues.
Thanks
Edited by: ganesh uttitti on Jan 26, 2011 10:33 PM

Hi Ganesh ,
I'm a little confuse,Why are you not use LO Delata for it?

Compact field point compatability with Labview7

I want to puchase a Compact Field point but need to confirm that it is compatiable with Lab view 7.0

It depends:
1) Are you using LabVIEW RT? Or will your LabVIEW 7.0 application run on a PC?
If you are planning on using LabVIEW Real-Time 7.0, then you cannot use the cFP-21x0 controllers. cFP-21x0 controllers support LV RT 7.1 and higher. If you are using a [c]FP-20x0 controller, then you are OK because they are compatible with LabVIEW 7.0.
If you intend to run your application on the PC and use a cFP-180x network interface (or if you use a cFP-20x0, cFP-21x0 controller as a network interface), then you can use LabVIEW 7.0.
2) NOTE: You will need to download FieldPoint 5.0 drivers (or older) from ni.com to get
LabVIEW 7.0 support. The latest FieldPoint driver installer
(FieldPoint 5.0.1) that ships with the hardware installs support
for LabVIEW 7.1 and higher.
-Tommy

How can I get all the options of Field Point Explorer 3.0.2 in Measurement and Automation Explorer 3.1?

I am a student using LabVIEW and Compact Field Point to implement a
senior design project in Electrical and Computer Engineering. We
have LabVIEW 7.1 and a cFP-2020 and additional modules. We are
trying to use the CTR-500 module to output a pulse train to drive a
stepper motor. We have found instructions online of how to do
this, but they all use Field Point Explorer. The instructions
make use of options in Field Point Explorer that are not included in
Measurement and Automation Explorer (the software included with the
cFP).
I have downloaded Field Point Explorer 3.0.2 and followed the
directions. Now, in LabVIEW, when I using the newly created .iak
file, I get a dialogue asking to find the SubVI: 'FP Read (Float Array
-IO).vi'. Included with LabVIEW are subvis for FP Read, but not
with the float array part. So I figure I cannot use Field Point
Explorer created .iaks with LabVIEW 7.1. So how cannot I access
the same options in Measurement and Automation that I was able to find
in Field Point Explorer?
Thanks

Hi,
FieldPoint Explorer is no longer used to configure FieldPoint systems. However, I do not think that the configuring your system in FieldPoint Explorer is causing the error.
FieldPoint systems are now setup in Measurement and Automation Explorer (MAX). Information on setting up FieldPoint systems in MAX can be found in the MAX help under: Installed Products>> FieldPoint. Also, I recommend upgrading to the latest FieldPoint driver and version of MAX. The FieldPoint VI's will be slightly different when you upgrade, so there is a good chance that this will eliminate the error.
Regards,
Hal L.

I have problem in transfeering data using field point via tcp

I am reading the values from the filed point, which is connected, to the RT controller and transferring the values to the client PC via TCP at a specified acquisition rate.
 Case1 when the acquisition rate is 0.1 minutes I get the values from the controller correctly i.e. 5v, 5v, and the chart shows no change. The timed out of the TCP read is default value i.e. is 250ms
 But when I change the acquisition rate to .5 minutes I get the values as 5v, 0v, 5v, and 0v. The time out of the TCP read is same as first case. The inputs to the field point are at the constant 5v.
Please tell how to solve the problem so as to see the plot in the chart continuously as inputs for the field points the read
ing are at constant rate of input 5v.

Suresh,
Since this question deals with using the LabVIEW TCP/IP functions, you are better off posting it to the LabVIEW discussion forum.
Regards,
Aaron

Problem with decimal point in Korea and Japan

Hi all,
I have one problem with decimal points.
I need to change in my out put cuurency values as per japan or korea standards.
Please help me is there any function module for this one.
program using alv grid display.
i use write statement but it is not working. Because
data: L_AMT type glpca-hsl,
         G_AMT TYPE CHAR15.
CURR this value is 'JPY'.
WRITE L_AMT CURRENCY CURR TO G_AMT.
here i need to do
L_AMT = G_AMT.   "" going to runtime error.
if i taken like
data: L_AMT TYPE CHAR15,
         G_AMT TYPE CHAR15.
CURR this value is 'JPY'.
WRITE L_AMT CURRENCY CURR TO G_AMT.   "" it is not working
Regards
margani

Hello,
This is pretty basic, whenever you've currency & quantity fields you need to pass the corres. reference fields.
In your case you need to populate the cfieldname & ctabname fields of the FieldCat.
BR,
Suhas

Can FTP-access to field point log file interrupt the running program?

Can FTP-access to field point log file interrupt the running program?
We have a problem where our factory process control program on a Field Pointer suddenly stops the process. We are running the development system on a PC, wich deploys the program on the Field point, with user interface on the PC. Quite often the process stops for no apparent reason. I'm not sure right now if the control program on the Field Point is still running or if it stops. We use FTP from a distant PC (over VPN) directly to the Field Point to check if the process is running, by looking for date and size of log files produced during running process. I've never opened och copied any log file during process run, because this I'm sure this would cause problems for new log entries to be written. But can the mere looking at the log folder via XP-pros ftp-functionality cause the Field Point to have problems writing data to a log file?
I'm not sure how windows XP pro handles "my network places" when it comes to FTP, it look that it keeps some kind of local copy of the folders, or at least the files opened.
Next version of the program will have only basic functionality on the Field Point, leaving logging etc. to another program on the PC, but right now we are stuck with this system.
Ola A

It turned out that the problem lies in the harware of the production machine, it was not a labiew-program problem at all!
Ola

IMPORT to memory id with field exit

hi everyone, i need your help, i'm import to memory/export with field exit, I must capture a data of ik11, from table IMRG... this is the code:
FUNCTION FIELD_EXIT_IMRC_MDOCM.
   DATA: V_MDOC LIKE IMRG-MDOCM.
EXPORT V_MDOC TO MEMORY ID 'DOC'.
ENDFUNCTION.
And the field exit where capture the data and import to memory:
FUNCTION FIELD_EXIT_IMRC_CNTRC.
    GET PARAMETER ID 'IPT' FIELD V_POINT.
      IMPORT V_MDOC FROM MEMORY ID 'DOC'.
    MESSAGE E001(ZEXITS_PRUEBAS) WITH V_MDOC.
ENDFUNCTION.
I proof with message, 'cause i can't use a break, really?!!!!
Please help me!
Thanks.!

Hi Jimena,
I remember a field exit being connected to a data element and program screen (dynpro). The field exit is processed when the screen field is processed by dynpro processor. But I do not see the screen field's value being exported to memory.
The reason you can't put brekpoints is that actually the code is triggered by dynpro processor not abap runtime environment.
If you want to proove thecode beeing executed, you can write info to file.
SAP does not actively support field exits since a couple of releases. Are you sure this still works?
You could try to find a BADI: Use the method I found at SDN some time ago:
Follow the below steps to find out what all BADI's are called when you press any button in any transaction.
1) Goto se24 (Display class cl_exithandler)
2) Double click on the method GET_INSTANCE.
3) Put a break point at Line no.25 (CASE sy-subrc).
Now
4) Execute SAP standard transaction
5) Press the required button for which you need to write an exit logic, the execution will stop at the break point.
6) Check the values of variable 'exit_name', it will give you the BADI name called at that time.
7) This way you will find all the BADIs called on click of any button in any transaction.
Regards,
Clemens

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