order my relay via GPIB

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• acquisition of data from the old Spectra via GPIB Analyzer

  Hi, I got an old parser of Spectra (MS2601J, anritsu), I want to get through the GPIB measurement data. I downloaded the driver for MS2601B/K on the site, but it does not work. commands such as "INI" cannot be recognized. I tried the MAX for the finding aid. You can find it, but if I send the command ' * IDN?', no response will not returned. I checked the manual and sent the command "\r\n INI", there also was no answer. I'm new to labview and perhaps I wrong interpret these commands. Does anyone know the format of the MS2601 order and tell me how to get the data of the instrument by GPIB?

  Any suggestion is welcome!

  Hello brileo,

  Normally, you can select the scale X of the chart with the mouse and right click to disable the Auto scale or to access the properties.
  You can also type the range values you want directly on the displayed scale. For example, from 0,0 on the origin.
  But the program of the driver you are using now, replaces the properties of theses (using nodes of property) with the "frequency of reading settings.vi' in the sequence"1"of the"Sweep"case before the display of the data.
  Instead, you can try to use SPAN and signal search SCROLL buttons in the front of the user to select the instrument of the area to see the signal.
   
  For the data to be save in a text file, I advise to use the available examples of LabVIEW.
  You can find them with the HELP menu > find examples... and select in the viewfinder of sample OR:
  Basic principles > Input and Output file > write the text file.vi data

  This example shows how to open or create a text file from a prompt to the user message and write the data to the file.
  You can delete the simulation of data in the schema of loop and call a copy of this program in your pilot AW 2601 B/K Example.vi.
  Do you want to insert the copy of the "Save Sub VI text" you have created in your diagram when it executes the case of' punch' and
  executes the sequence 0 [0.2] to read the data of the spectrum of the output table.

  Hope, which resolves the orientation Data Analyzer. Ask again through the Discussion Forum for other questions.

  Carl

• Send just a single command via GPIB

  Hello

  I an instrument controller laser diode here and plugged into a USB of NI GPIB adapter, put in place and got to talk.

  If I send a command through 'Communicate with Instrument', it works, and NI SPY shows a write to the device.

  If I start a new VI, drop in an Insturment of e/s Companion, implemented accordingly and add in a stage of writing with a simple command (with a Boolean variable); It works and when you click test, it sends a single write according to NI SPY.

  However if I have that tie in a true/false in the workspace button and run the VI the insrument constantly receives written from 80 to 100 per second of the same command over and over again in the State "OFF". If I change the switch, he sent 100 orders per second to the "State on»

  This behavior is normal? I want only LabView to send the command once when you press the switch, not constantly write the State of the switch to the instrument.

  Another example is that if I attach a button to switch on the instrument. LabView constantly issues the command mode change, then the screen of the device attempts to redraw themselves time and again, grinding more or less the unit to stop.

  I tried to change the mechanical operations of button, but that has no effect.

  Someone at - it ideas and can tell me what I am doing wrong?

  See you soon,.

  Dan

  Dan-

  You really need to start by looking at the examples and tutorials provided with LabVIEW.  Unlike the text based languages LabVIEW is a data flow language.  This means that some of your concerns of programming must be running and when.

  a structure of the event is the preferred style.  You can add instances of event to handle events from different controls or to take different measures.  The way in which you have built your vi it works like this.

  The while loop begins - and three events different cases begin to process pending events.

  an event is triggered (let's say GPIB echo value change) and runs the code in the event once.

  the loop is still waiting on other cases of two events to run front to iterate so that changes in value GPIB are essentially BLOCKED (the event cannot be done again until the while loop iterates - although events in queue always ready for the structure of the event runs again.)

  WHEREAS in the case where all the structures of three events handle an event each will be the loop iterate.

• How to transfer a jpg file via GPIB?

  Hi all

  I would like to transfer a screenshot that I have stored on my field (a field of application Tektronix TDS5104B) in my program. The way I do things now is neitherelegant or work.

  Can someone point me in the right direction.

  Here's what I'm trying at the moment:

  1 copy the file into the buffer GPIB:

  Session.Write ("FILES: READF" + path + name + ", GPIb");

  2. write the GPIB buffer format:

  Session.ReadToFile (path) + filename;

  While the file is created, it is empty and the ReadToFile command returns a time-out error.

  Furthermore, I would be happy if I could avoid writing the image as a file and then re - import. (Eventually, I need a memory stream that contains the file).

  Thank you for your support in advance,

  Ben

  OK, I've resolved now completely: I used the ReadBytes command and used 512000 as length.  The other positive thing is now that I already have a byte array which I can put in a Memorystream directly. So, I don't need to save the photo somewhere locally.

• I want to order two relays, but Labview says that I have something wrong with my VI

  Of the image, I have 2 control relays, they are the two toggle switch type, I want to control at the same time, but fail to do so.

  I already have digital > channels > single sample 1 > Boolean (1 line per channel) and before I run it, I choose the channel 0 and 1 in the front panel

  When I run it, the program does not give error, however, I use a voltmeter to test the voltage on ports 0 and 1, they are 5V and stabilize... which does not correspond to the VI I write

  After you click stop, Labivew said:

  read name or write operation failed because the number of rows in the data of a string is not the lines in the channel.

  If you use the digital waveform data type, make sure that the number of lines in the digital waveforms is the number of lines in the channel. If you are using Boolean data, make sure that the dimension of the array for the rows of the data is the number of lines in the channel.

  Number of lines in the channel: 8
  Number of rows in the data : 1

  Task name: _unnamedTask<4>

   

  
  What is the problem with my VI? Thank you

  He doesn't seem to like the layout of the table 1 d Boolean.  It is not sensible.

  But I found a way so that it will run without errors.  I don't know without having a real DAQ hardware whether outputs will be correct.

  1. change all DAQmx wrote on the Board of Boolean 2D, (N lines per channel).  If Digital > multiple channels > sample > Boolean 2D.

  2. change all the raster constants to add a dimension turning them into 2D Boolean tables.

  Now, it will run without error.  But if the output is correct or not, you need to test.

  You said you want to control the relay.  I don't know what kind of relay that you have, or is that your DAQ hardware, but take keeps most of the DAQ cards do not provide enough current to directly drive a relay.

• 104mxi-a LeCroy set up labels of tracks via GPIB

  Does anyone know how to manipulate the labels through labview GPIB?  I can't find a command in the manual which would allow me to add a label.  I also need to position the label as well.

  Hello

  The command for this will be a command 'Automation' which is written with the control command remotely 'VBS '.

  To set the label on a channel (let's call it Cx): VBS ' app. Acquisition.Cx.LabelsText = 'put your text here' "

  Notice the single quotes around the command 'Automation '.  The VBS command is a command remotely (written as a string on the device) and the automation controls are objects in Visual Basic.  The VBS command indicates the scope to interpret everything between single quotes, as if it were being sent directly from a VBS script.

  You can turn on the labels: VBS ' app. Acquisition.Cx.ViewLabels = True'

  The value can be: True, False or - 1 (true), 0 (false).

  See you soon,.

  Leonard Brown

  Technical sales engineer

  TeledyneLeCroy

• How to send power QL355P control via GPIB in labview

  Hello

  I use QL355P power, DUT and usbCAN part 3.

  I want to send OFF switch power control / IT for my DUT under will restart, using labview.

  I have no no on hoe to send commands gpib in labview

  is that all can help me?

  Let's focus on the other thread, as indicated by Ravens Fan. Please post here instead of here.

• NEITHER USB 6008 help to order 3 relays.

  Hello! I have a DAQ 6008, and I need to control the three relays for the filming of lights, so I scored a VI to activate the relay through three buttons. My problem is that I don't really know what kind of relay that I need. I need something like 5VDC to 230VAC. What do you recommend?

  You will need a driver-relay or transistor to provide current to fly this relay.

  On a datasheet for the relay, tried google?  The part number printed on the side of the relay.

  The ULN2003A is a good relay driver.  A 2N4400 transistor will do the job too.  Both are very easy to connect.

• Telenet service should run in order to connect via telnet?

  I'm a developer.

  In my Windows XP Pro SP3 I service windows (in services.msc) TlnSrv (full name: Telnet) Description:

  • Allows a remote user to connect to this computer and run programs and supports various TCP/IP Telnet clients, including UNIX and Windows-based computers. If this service is stopped, remote user access to programs may be unavailable. If this service is disabled, any services that explicitly depend on will initially fail *.

  Also, I read various articles that telnet service is required on the host to be telnet-ted.

  In his comments to my answer to the question "connect SQL Server 2008", the "militants" serverfault.com squillman and MarkM wrote several times:

  • "Telnet on a host does not require a telnet service on the remote host. This requires an open socket, that's all. "

  After that, I was banned by serverfault.com in 2 min without warning or notification

  Well, I've never used before telnet. Now I see that the telnet service is stopped on my Windows XP, but opening cmd and enter 'telnet localhost 1433' open 'telnet localhost' window, i.e. telnet session (?), without any error with my MS SQL Server local default instance.

  Telnet-ing require the telnet service to run on the remote Windows host or not?
  What is the telnet service for?

  Telnet is now obsolete, but Microsoft is to keep shipping with Windows for some reason. Nobody knows why?

  Function of Telnet in the era pre-IPv4 Pre-internet, was to connect your modem through a limited number of ports available (1023) on the server side. Is that a connectivity based on characters is one of the oldest protocols package-transfer, with packet as a byte. Telnet is mainly used to make the connection, and then a large part of the transmission of data would take by transfer of UDP packets. If Telnet would allow quick "handshake" or equivalent authentication on the server. We are talking about the end of the 1960s - mid1970s lead-time. Since there was no viruses or Trojans at the time and most of the work done was by researchers across the Atlantic, it became easier to telnet first and then transfer UDP packets, because you know that the UDP that will reach the destination.

  In the early 1990s Telnet was preferred to how to hack computers, which basically confirmed the status "online". Thus, we could send viruses to macro-type via telnet. Still, firewalls have not yet discovered.

  You don't need Telnet Service to send and receive packets through port23. However you can send a datagram UDP on port 23, without need to Telnet, being UDP, confirmationless data transfer protocol sense... If it reached the sender does not know that this receiver has received. In Telnet, the sender knows what telnet transmission moved not, by the non receipt of confirmation.

  So, for purposes of security, disable the Telnet Service (most modern firewall prohibit connections port 23 by default)

• communication with AQ-6315E via GPIB

  Hello

  Nowtime, I instr driver for this device, but this library were established in BT 5.0. Are a way to convert files for LV 8.5 Library exist?

  Thank you

  You can go there.

• Tektronix oscillator mode continuous soul via GPIB-USB-HS

  Hello

  Time now, I can manage oscil Tektronix TDK784A only 'unique sequence' mode to get a waveform with the configuration specified in VI.

  1. it is possible to organize the process of mea - nt in continuous mode, when VI shows a similar thing that appears on oscillator?

  2. also, is a far exists to organize the measurement process with the configuration of runner oscil games in oscillator (in a single sequence mode chanell parameters sets launch VI)?

  Thanks for help.

  Hi Frank,.

  Which driver do you use to control your device? We have a driver available for your device on our network www.ni.com \idnet driver

  Tektronix Oscilloscope tktds7xx

  You can find the example live help you learn how to control your device. If you still have questions let us know what screws you need assistance and we would be happy to help you.

  Thank you

  Scott M.

• Read frequency counter HP/Agilent 53131 via GPIB using c#

  
  

  The only thing in your code is a reading? How do you set up the meter manually before taking the action? What is the arming mechanism? What is the opening time? What is the sensitivity/resolution?

  I think the problem is with your configuration and can respond to study the manual or by asking Agilent.

• Has anyone ordered a photobook via Lightroom?

  If someone has, how this experience had and what was the turn around time? I plan to make a photo book, but not having not does this before, I'm trying to decide between do in Lightroom or in Photos. Thanks for any help or suggestion.

  I did recently through Blurb. No problem at all.

  You can read this thread on calibrating your monitor correctly: adjusting brightness for Blurb book

• output digital 1 sec ON - 9 OFF s

  Hello friends,

  I'm new to LabView.

  And I'm working on a project where I have to order 6 relays via lines outputs digital data acquisition in question. (USB-6353)

  Each relay is ONE for dry and OFF 1 for 9 seconds. But they all should be out of phase. If only 1 relay is active at a time.

  Can someone help me with this in Labview.

  Thank you.

  
  

• GPIB has not detected when connected to the internet

  Hello

  I have keysight power supply connected to the PXI-8880 via GPIB, it does not detect when it is connected to the internet & it was detected when its not connected. Any body can help me to solve this problem.

  Hello

  This problem occurs because of a conflict in present multiple network adapters in the system. It was a question that has used for detection of targets ethernet to the system that has been resolved. But then this question has also resolved to do the same thing. You can follow the link on how to change the order of the present network adapters in the system.

  http://digital.NI.com/public.nsf/allkb/FD9E1AF5AB1343098625736F0076DE6B

  You must also make sure that the IP addresses of the network adapters are different, otherwise conflict can happen also.