create a DPDT relay

Similar Questions

• DC motor of control using the analog output of DAQ 6008

  Hello

  Since the 6008 DAQ implements not good PWM, can I control the speed of the DC motor using outputs analog, protected by amplifiers?

  This will damage my DAQ?

  Ok.  The engines will be quite low.

  Consider using an LM317 as the "amplifier". Add one or two diodes protection. Connect the AO to the terminal of the regulator with a resistance setting to land.  Your output voltage can go down to 1.25 V and up to minutes (battery-2 V, Vaomax-1,25 V). If you have a battery of 12 V and a 12 V, the maximum speed of the motor engine will be slightly lower than the nominal speed full. The minimum voltage the motor probably will not work.  The regulator has a built in protection against overcurrent and overheating.  It's the motor controller cheaper you can do and works very well.

  If you need to reverse the engines, things get complicated a bit more.  You can use a DPDT relay or a transistor H-bridge.

  Lynn

• OR handset and other relays in the direction of the switch

  Hello

  I am beginner in products OR and now I want to solve a problem.

  If I know the relay and their connection paths. These relays are of NEITHER and some other producers. Can I Switch Executive put first and last point and automatically will join them using IVI drivers? Relay cards and theit drivers can be of different producers.

  Thank you.

  Sorg,

  As crossrulz said if you have a correctly installed and configured (in max) IVI driver Executive OR Switch can manage several types of products. This includes switching modules of NOR and switching of third party modules.

  To implement automatic routing, you may need to do additional things (such as: providing the report to show how the devices are connected, lines reserve for routing, put in place by the endpoints channel configuration, etc..) Once this is set up, then you can create a connection by specifying endpoints and it will automatically route the things for you.

  See you soon!

• Control relay with Boolean switch using DAQ assistant 9481 - problems

  Sorry for what may be a stupid question but I'm stuck in quicksand.

  I use a relay module 9481 and have two external relays connected lines 0 and 1.

  When I create a digital output 0 line by line, I can run the test inside the express and activate the relay and turn off without problem.

  The generated block DAQ expressed expects a Boolean input of 1 d. (See attached photo).

  I want to connect a Boolean switch relay line disk 0. You can connect live not because the switch is Boolean and the input is Boolean 1 d - I'm a conversation in the pict.

  All plumbing lines display results, the relay never active.

  Any bunch would be greatly appreciated! Thank you

  

  Mr._Mechanical,

  Welcome to the Forums of switch OR this forum is generally intended for products OR-SWITCH [such as the NI PXI-25xx & NI SCXI-11xx], I think I know the answer to your question.

  I think the reason why it's a failure is the conversion you make generates a table of 16 Boolean [as the 'boolean to (0,1)' function creates a data I16 type] with your data more false data points 15.

  

  When you try to control the relay, he sees 16 datapoints are you Commander to a single port [channel] and so error out.

  

  My suggestion would be to use normal DAQmx digital output screw [with, he set up as ' Digital > single channel > single sample > Boolean (1 line) "] rather than the DAQ assistant.

  If you use the daq assistant, simply by using the function 'Building the table' will transform your simple Boolean data point in a Boolean array containing a single element.

  

  While the DAQ assistant is very easy to use, I recommend that you use the DAQ assistant, because this reduces the features and increases the execution time.

• Helps relaxation and relay

  Hey community,.

  I'm quite inexperienced with DASYLab and need help with my patterns. I try to create an if-else condition and do not know what to do next.

  Its my goal to analyze some data entry for their values. If there is a data entry between the value '0' to '4' I want to calculate this entry with formula 1, if there is an entry of data between the value '4' '8', which he calculated with the formula 2 (the two formulas are different).

  I have already created a combination with trigger and relay to assess the value that have input data, but then something is missing. The input data have two channels, but after calculation, I had four channels for each case. But I just want to have a result for each channel. -> the result 1 entry should go to an output channel and the same for the second.

  So I need a module that combines the two strings and provides the result 1 or channel 2 to a result.

  Which module which could be, something like a switch? I found nothing...

  Or is there another solution for this problem?

  Thanks for your help

  Jan

  You can do it in the formula itself.

  Consider a formula module with one input and two outputs

  CH0 - Output 0 ----------------------------------------------

  (In (0)< 5)="" *="" (your="">

  CH1 - output 1 ----------------------------------------------

  (In (0) > 4) * (your formula)

  Now, if the In0 is true it will return a so the output will be your formula.  If the In0 is false, it will return 0 so the output will be 0

  The two outputs can go to a summation module so that you will always have the correct signal

• Creating a string of bits to send through questions series VISA, complete noob here...

  Hi all

  I'm trying now, to browse the values I have on my collection of GUI and with these, construct a message to send through VISA.

  I have the usb-> rs232 cable and NO, and I have attached a connector, with the pins 2 and 3 tied together so that I can loopback and see the messages I send.

  I'm supposed to (from the instructions that I read on a design doc) will send a message of length of 24 bits.

  And please bear with me, I've never worked on this low a level before, nor with the serial interfaces, so I can be completely off on how I'm doing... and this is my

  first really relay with LabView for this project.

  I have some time execution of every 20ms in a loop.

  I have a structure of the event looking for user actions on my front.

  I also breast that everything in a loop, a flat sequence structure... my assumption was, every 20ms, the flat sequence structure would run, except where it is interrupted by an event... that could trigger and then continue with the flat structure...

  I have seen that the entry VISA (and read) take a string.

  So, I started the flat structure with build my string of bits/bytes outgoing... first section is coded hard and then, through the two sequences, loop it and based on the values of the controls within each cluster, I concatenate to my outgoing string... in which case, I send by the visa by the closure, and post it on the message indicator.

  It seems that I can send on only 8 bits at a time through VISA... so, I try to understand (and I wonder people with the req on this part) why they said to send such a long chain... or am I supposed to send each message of 8 bits, one at a time?

  If one bit 8 message at the same time, I wonder how I have let him know when I am finished?  I have heard and read things about start and stop bits, but I don't know where to put them.

  In addition, is the string that I'm supposed to put them together to send something waiting for data series bits/bytes? I saw a reference to a string of bytes while the research, but I Coulnd't ' t find a piece of string byte on the pallets.

  And when I run the present (a simpler example of my real application, simply to show here the parts I am trying to figure)... the message echoing again to me is:

  111000010000\n

  When if I have all the tubes with a value in them... I want to get something new like:

  1110000111111110111111110\n

  I'm also noting that messages do not seem to be transmitting every 20ms... seems only to get a message back when when I trigger an event, as the option switch on the LED.

  In any case, I'm confused, I think that, on certain basic principles and hope someone can maybe send me some links or give me some advice on where I'm wrong so seriously...

  Is my construction of the right to follow path string message?

  Is something wrong with the flow of the program... the events + flat sequence structure?

  I received this property by searching for forums and other papers OR, but I'm stuck sort of and confused I think on some concepts with read/writes...and possible VISA my flow control.

  Any suggestions and/or links GREATLY appreciated.

  Thank you

  Cayenne

  PS. Some asked to record for older versions, so I enclose a copy saved to more 2011 v10

  Cayenne,

  Your sequence structure is not necessary.  You have a dependency on the data, as well as the structure of sequence is not really do anything for you.  Seems to me that what you want to do is to build the table of your clusters that you already own and send the table directly in a > 0? function.  It will accept berries and an array of Boolean output.  You can then use the Boolean array to the Number function to create a U8.  Do this for each of your clusters and integrate the results in a table of U8 and fixed data.  Then use the array of bytes to the string function to get a string to pass in the VISA to write it.  Without loops or the necessary structures.  Any additional manipulation you need, I recommend to the byte level.

• Creating a type of stage of the "Launcher" which would insert the appropriate step type predefined or custom time edition

  Hello world

  I'm looking for tips, pointers, directions... to be able to perform this operation in TS 4.0 sequence Editor, if it is still possible...

  I am managing a test system with an abstraction of virtual instruments 'home-made' additional layer to IVI classes for instruments that have no defined classes, customization of the sequence editor accordingly for the developers of my Department.

  So basically, when the instrument is IVI, the developer uses the built-in type of stage IIA type and when it is not the case, it uses the types of custom step I developed for this particular category of instruments.

  However there are classes where I both IVI and available specific drivers and I have to use both in the test sequence.

  For example, let's say there are two DC power sources available in the test bench, including a programmable IVI compatible DC power and the other composed of 'blocks' fixed to DC power relay-driven external and you will need to use both in the test sequence.

  I want to be able to do in the sequence editor is the insertion of appropriate during the editing just level type by selecting the power source (by a ring or an enum for example) and if the first resource is selected, it inserts the type of stage IIA, and if the second resource is selected, it inserts the appropriate custom step type.

  Any ideas on how to achieve this?

  Kind regards

  Cyril

  I don't know exactly when you plan this next prompt, but one option is to create a personalized with a custom step step type named OnNewStep. It will be called when your approach is inserted in the sequence. You can then display the command prompt and replace program step custom in the sequence step type based on the selection of the appropriate user.

• the relay control data acquisition

  I am creating a vi that controls (press and release) several relay using a USB 6501 data acquisition. This should be a task relativily easy but I get flumoxed by errors. I tried to use the examples, but I get an error telling me that I need to use the mode of generation 1 sample (on request). Help, please

  Sure. The easiest way is to have a DAQmx writing followed by a function of delay, followed by another entry, followed by another period. Simply plug the error links in order to control the flow of data. However, the VI would be insensitive so you can use a state machine or function elapsed time so that the VI can be stopped without waiting for waiting for him at the end.

• Switch executive to relay information

  The IVI driver, I create and I want to show to relay information in the table of NISE Virtual Device relay Information. Is it possible that do or is this avilable only options OR switch?

  Hello

  you are referring to the list under the Executive virtual device switch where it evokes the table to relay Information for each selected unit.

  Most of the switches OR have an on-board EEPROM, which maintains a list of switches and their number of interactions. The driver of the IVI for material OR is niswitch, and the function to retrieve the number is niSwitch_GetRelayCount.

  Unfortunately, this isn't a standard appeal IVI - C (more than one extension), so unless you try to do that within your DLL (according to the standard the prefic name IVI) then it will be limited to how works the OR material and its API.

  Sorry

  Thank you
  Sacha

• 6008 daq digital outputs to control relays

  Hi all, I'm looking to help create a VI to send out digital to a daq 6008 to control relays. What I'm trying to do is when you press start and a condition is met send a digital output to control a relay for 30 seconds or so to take a measured voltage to be taken an analog voltage. After 30 seconds, I want the first relay to switch off and the next relay lights for the same amount of time. I want to continue this sequence to 7 readings, blood for every step and send the data to an excel file. I know it's basic stuff, but my experience with labview is limited! Any help would be greatly appreciated.

  Thank you

  Paul

  Hi Paul,.

  I looked on your problem this afternoon and I agree completely Fan Ravens that the state machine is in fact the most appropriate architecture for such a task of data acquisition. A state machine architecture is one of the most commonly used in LabVIEW design patterns and is especially suitable for any program where you have clearly defined the steps that can be represented by the States and rules for the transition between these States.

  There is a model of Machine of State Standard contained in LabVIEW which should give you an idea of the underlying architecture and is a good starting point. To give you a better idea of how this architecture can be applied to a data acquisition task, I would recommend that you look at This example. Although States will be slightly different in your case, this should provide you with a good understanding of how you can architect such a request.

  I hope this helps.

  Best regards

  Christian Hartshorne

  Technical sales engineer

  National Instruments UK

• NEITHER 9481 relay are not locked when running the labview compiled exe on a computer with only installed labview execution?

  I recently bought a cDAQ-9172 with several modules.  One of the modules is a NI 9481 relay module.  I created an application using Labview and built an exe file.  If I run the exe on the computer, it was developed on the relays work properly, that is, they remain locked up until their status is changed.  If I run the same exe on a computer with only the Labview runtime installed (no software installed), the pulse relay contacts and not locked.  I'm using Labview version 7.1 for my development and execution.  Everyone knows about this problem?

  Ignore this announcement, the error stems from a difference between each computer ini-files and has nothing to do with the Labview Labview runtime vs, my bad developer.

• RV042 relay agent

  Hello

  Is it possible to configure RV042 as a DHCP relay agent? I use two of these routers with G2G configuration. In one place, I have W2k3 DHCP server and in another place, I want to use this server.

  Thanks for the reply.

  Karol

  Hi Karol,

  UnknownHero is correct. The RV042 is now managed by the Cisco Small Business support community.

  You must create an account to post here.

• Photos - photo duplicate was created in folders that end with. jpg.file

  Hello

  I have Windows Vista & recently noticed it seems to be duplicate all my photos.  It creates a new folder for each photo & it is labeled with the name of the photo then. jpg.file. inside of each file is one or two copies of the original photo.  I tried to remove them, but they reappear.

  Please help because it's very embarrassing!

  Thank you

  Helen

  Hello HelenLD,

  Thank you for visiting the Microsoft answers Site.

  In addition to the response of Divya, please relay if the problem occurs when you add a new photo and the program you are using as default program for viewing photos. Please also relay the location of the pictures. You also try to perform a clean boot to verify if a background program may interfere. To do this, please see the link below:

  How to troubleshoot a problem by performing a clean boot in Windows Vista or in Windows 7

  Also, Yes, try to perform a restore of the system before when the problem started and then check the issue. To run the system restore, please see the link below:

  What is system restore?

  Thank you

  Mary
  Microsoft Answers Support Engineer
  Visit our Microsoft answers feedback Forum and let us know what you think.

• Impossible to change the Windows Media Center guide to allow the use of ot TV relay stations (translators)

  Live TV with Windows Media Center, where RF channels are different from that of the guide because of the distance TV translators (relay Stations)

  Cannot change the guide to allow the use ot (translators) television relay stations where the RF TV channel is different from the current station. For example, Station POLO6N is 9 RF channel in Eugene, OR, but here on the coast, it is the 35 RF channel. Zip code for our region apparently points to the station itself RF channel and the number of 1092 is shown and dimmed so that it cannot be changed. How the inputs of channel can be modified to adapt to this situation? Here on the coast, we're out of range (mountains, etc.) of the station itself.

  BH

  I have apparently discovered a way to watch and record live TV using Windows Media Center where the geographical area is served by the translators of the TV and the.

  If you configure the TV channels using only NOT the guide and using Add missing channels feature to add and configure the channels you use before you download the guide, you can set the actual RF frequencies of TV translators serving your area. In my case, I had to add the letters TD after the call signs of stations so that when I load the guide, he be to point to the current channel.

  After having added all channels and before loading guide, check the reception using the function designed to help you in the pointing of your antenna. Then load the guide and your channel configuration is retained and stored in a file pref.xml which apparently replaces the channels.xml file created by the loading guide.

  Unfortunately, detailed documentation on the product missing apparently (help files I found only State to follow the guests), or I didn't find it. In all cases, you can use Windows Media Center to watch and record live TV if you live in an area served by the translators/TV relay stations with different channels channels over-the-aor real real TV stations.

  If you find that you need to change a channel, use channel add rather than the function Edit channels, clear the X in the box and start over with this channel.

  BH

• Firmware 1.4.0.88 for SG300-52 seems to break DHCP relay

  My VLAN to end my switches, so I use a DHCP relay with Option82 to distribute addresses for the subnet of the VIRTUAL LAN. After the transition from 1.3.7.18 to 1.4.0.88, DHCP isn't being delivered on my VLAN. Does anyone else have this problem?

  I'm just creating DHCP relay for the first time with my SG 300-28, 1.4.0.88 firmware and noticed that the DHCPDISCOVER promulgated by the relay had the same source and destination (67) port, while the original DHCPDISCOVER used 67 & 68. In addition the 1.3.7.18 firmware is not exchange these autour:

  Excerpts from Wireshark:

  1.4.088-

  Original DHCPDISCOVER to the customer:

  User Datagram Protocol, Src Port: bootpc (68), Dst Port: bootps (67)

  Relayed SG300 DHCPDISCOVER:

  User Datagram Protocol, Src Port: bootps (67), Dst Port: bootps (67)

  This seems a bit suspect to me

  1.3.7.18

  Original DHCPDISCOVER to the customer:

  User Datagram Protocol, Src Port: bootpc (68), Dst Port: bootps (67)

  Relayed SG300 DHCPDISCOVER:

  User Datagram Protocol, Src Port: bootpc (68), Dst Port: bootps (67)

  I am not sure that this is your problem (it does not solve my problem), but I want to underline the thought