SCB-68 Quick Reference Label for PCI 6251

Hello,
I would like to use the PCI 6251 multifunction DAQ card with the SCB-68 connector block. Can I make connections using the "SCB-68 E Series I/O connector pinout (Full)"?
Ram

Hello,
Yes, you can use an SCB-68 with an NI 6251 and wire it according to the E Series full 68 pin pinout. The only differences between the full 68 pin E Series pinout and the 68 pin M Series pinout are:
1) With M Series, PFI0 no longer doubles as both an analog and digital trigger input. It is only a digital trigger input. APFI0, which is pin 20, is a dedicated analog trigger input on M Series. This pin is shared with the AO External reference input on M Series and corresponds to the AO External reference input on an E Series.
2) PFI15 on an M Series corresponds to a ground on an E Series.
The M Series pinout for your device can be found in the M Series Help, located in the following location:
http://digital.ni.com/manuals.nsf/display?ReadForm&lookup=Data%20Acquisition%3E%3EMultifunction%20DAQ%3E%3EM%20Series%20Devices&view=web_productcurrent&node=132090_US
Nicole

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SCB-68A Reference Label for R series

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Let's try this KnowledgeBase Article:
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Software Product Manager
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SCB-68 Reference Label for M series devices

What's the difference between the SCB-68 Reference Label M series devices connector 0 and connector 1? I'm installing a NI PCI-6221-M series Multifunction DAQ and the SCB-68 connector block, and I don't know how to make the physical connections. With the SCB-68 kit, I received the Reference Label for the E-series devices. In the NI site, there is info about the connector 0, but what is the connector 0 and connector 1?
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Good question Zek. The M series family uses a smaller version of the 68-pin connector used on E series so that two connectors can be located on the same board. The second connector is available on certain M seriies boards in order to provide connectivity to additional channels. In the case of the 6221, there is only one connector.
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http://digital.ni.com/public.nsf/3efedde4322fef19862567740067f3cc/61ed77983ad7cca386256f66008215f1/$FILE/SCB68%20M%20Series%20Connector%200.pdf
For pinout specific to a particular M Series device, you can refer to the M series help available at either one of the following locations:
http://digital.ni.com/manuals.nsf/websearch/9477D6DF1FE5A72986256FAB00633DE4?OpenDocument&node=132100_US
http://digital.ni.com/manuals.nsf/websearch/3AE9D4533E03A6EF86256FE300809FE6 (HTML format)

Wanted: Quick Reference Card information (for PSE2)

I am trying to find the information provided on the "Quick Reference Card" mentioned in the PSE2 help (that you get when you press F1):
Using keyboard commands and modifier keys
Keyboard commands let you quickly execute commands without using a menu; modifier keys let you alter how a tool operates. When available, the keyboard command appears to the right of the command name in the menu. You can view a list of keyboard commands and modifier keys in the Quick Reference Card section of online Help.
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Teffy,
Do you have the disc? If you do, there's a PDF copy of the Quick Reference Guide one the disc. (If you have Windows, Insert disc while holding in your shift key. Hold until you get a dialog box. Select Open Folder to View Files.)
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Link to the keyboard shortcuts page...
http://www.arraich.com/elements/keyboardshortcuts.htm

How to trigger 5v -ve polarity from pci 6251 to sincronise the image capture

Hello!
I want to synchronise the image capture of an IEE 1394 firewire camera with an 50hz input signal (acquired from Vsync of VGA port ). I want to accomplish this using PCI 6251 (SCB 68 E series) device. The IEE 1394 camera can be triggered using a 5V –ve polarity signal but have no idea how it is achieved, some examples about the application would be helpful
shri

This example illustrates how an application might be constructed in order to trigger an analog acquisition as well as an external system concurrently with an E-Series board. The analog component has been made retriggerable by tying a counter pulse train to its sample clock. Due to the complexities of the DAQ STC, an analog output line is employed in order to generate a hardware-timed, regular, pulse used to trigger both the analog acquisition, and potentially an external system. This type of architecture could be used for "stimulous - response" testing.
Attachments:
Timing_with_AO.vi ‏123 KB

Pci-6251 analog input set up

Hi all,
Can I set the analog input of PCI-6251 in mix configuration (some in differential mode and some in single ended mode). Because in my set up the differential option is greyed out.
Thanks
dphan128
Solved!
Go to Solution.

Yes you should be able to do that. You have 16 analog inputs. For differential you will use two of those per channel. See the DAQ M series user manual. You can program channels on an M Series device to acquire with different ground references.To enable multimode scanning in LabVIEW, use NI-DAQmx Create Virtual Channel.vi of the NI-DAQmx API. You must use a new VI for
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Remeber that for a differential that you would wire for example AI 0 to the + side and AI 8 to the - side. So now you can't use the AI 8 for single ended. AI 1 is related to AI 9 etc. up to AI 7, AI 16.
Hope this helps.
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Data acquisition and frequency generation togather with PCI-6251 and LV8.2

Hi friends,
I am a new user of Labview. I am using LB8.2 with PCI-6251 .
I have to generate frequency and then measure the data and then for next frequency and so on.
i know that for this i have to use looping and that is not a problem. The real problem for measurement is to identify whether the frequency is been generated. if yes then measurements starts otherwise it should wait until it started. then after finishing the measurements send a signal to generator for changing the frequency and amplitude.
Now these two things {generation and measurement} togather are not working correctly for me. so i make 2 diff file, one for generation and other for measurements <by modifying the examples>. I can run both file togather and it works. But it need lots off effort and time. I have to measure from 10Hz to 1000Hz in 2Hz frequency step and i cannt leave in between .
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Trying to attatch. both the files here ..
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Attachments:
main_v1.1.vi ‏150 KB
Oscilloscope.vi ‏37 KB

Hay thnx dude..
I found the example and now it works
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Different labels for a textview based on component usage

Hi,
We are on SAP E-Recruiting EHP5 and we have a requirement wherein the label of a textview in a view needs to be dynamicaly controlled. The candidates personal data page (view VW_PERSONALDATA of component HRRCF_C_PERSONL_DATA_UI) gets displayed both:
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Edited by: Uday Mr on Feb 29, 2012 3:36 PM

Hi Uday,
Please try to create it dynamically.
Example:
METHOD wddomodifyview.
*-Data declaration
DATA: root TYPE REF TO cl_wd_uielement_container,
page_header TYPE REF TO cl_wd_page_header.
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How to generate a pulse of 5 V -ve polarity in synchronisation with a 10 v input using PCI 6251 DAQ board

HI
I want to generate a 5V -ve polarity pulse to trigger my IEEE 1394 camera using an PCI 6251 (scb68 pin E) device, furthermore I am reading a standard Vsync signal from a SVGA port which is 10 v.
Now I want to synchronise the image capture of an IEEE 1394 camera with the Vsync signal so that camera is triggered to capture at every 4th Vsync signal (which is 50HZ.). Presently I am able to read the Vsync signal and also generate the -5 v signal But the Daq board generates a continues -5v signal while I want a 1 ms pulse (for every 4th Vsync).
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Thanks a lot in advance
Shri

You can use the Write function, that is you can use the 10 volt signal as a trigger for the task, and when you get this trigger, the task starts and generate (writes) a waveform you defined in an array ("data", in the example).
Something like this..
DAQmxCreateTask("",&taskHandle);
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samp_to_read);
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&samp_per_channel, 0);
DAQmxStartTask(taskHandle);
// and then you create a loop....
For example you can specify data to be like this:
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Tell me if you need more help.....
bye

NI pci 6251 position control

Hi
Im new to this forum and new to Labview and NI pci 6251 as well ;(
I'm using NI-PCI-6251 (DC Motor ) with Labview to control the position of a DC motor we developed the program that reads the encoder and display the position of the DC motor shaft
but the problem is that the counter 0 (cnt0) always increases whether the disc rotating clockwise or anticlockwise??!! and when the desired position is reached the controller does nothing to stop the motor ?
i don't know what is the problem or why its happening.

Hi,
I am also doing something similar.
The problem is the motor is the DC motor from Quanser. (DCMCT).
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I have attached the parameters that I set.
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Attachments:
encoder issue.JPG ‏357 KB

Brushless DC motor control using NI PCI 6251

am doing my project Speed control of a sensored Brushless DC motor. am using NI pCI 6251 daq. now my motor is running.but i dont know how to calculate the speed. in BLDC motor, hall sensor is attached. can you send me the sample program for calculating the speed and to give as a feedbackk

Will you please sent me VI model of BLDC ?
my mail id: [email protected]

Closed loop control of DC motor drive using PCI 6251

Hi
i am using NI PCI 6251 for closed loop control of dc drive.(shunt motor,220v, 0.5HP, 2.5A rated, 1500RPM)
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An IR sensor is developed to measure the speed of the motor and a hall current sensor is used to sense the converter current.
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thanking you.

Hi Premenanda
The freq data receiverd from the daq assistant has the units of Hz, or in terms of motor speed, rps (rotations per second). I can see that you are trying to convert that to rpm (rotation per minute). which can be done by dividing the rps speed by 60. Instead, you are multiplying it by 60 and also comparing with 2000. the resultant multiplied value is displayed in your program only if it is smaller than 2000.which is causing the problem here.( as seen in file 'original code.png)
I have attached a file named 'modified code.png' that shows how the conversion from rps to rpm is done. Please do the required changes in your code and let me know if it works.
Attachments:
modified code.png ‏18 KB
Original code.png ‏15 KB

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Can anybody tell me if it is possible to produce multiple labels for one order. For example a customer orders 4 units. A standard package holds 3 units so an additional package is required for the fourth unit. As a result two packing labels are required. Does OM 11i support this?

Hi Aj
Thanks for your quick response. I was think on the same lines and you have confirmed that we will have to split the line into several lines on sales order.
I am trying to do that now in our ECC box i.e item 10 with payer 1 and item 2 with payer 2. But as soon as I try to change the payer on item 2, i get the following error message which relates to credit management being active.
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How do I get the Label for a Front Panel Control to appear in the Block Diagram but not on the Front Panel?

How do I get the Label for a Front Panel Control to appear in the Block Diagram but not on the Front Panel? On the Front Panel I am making a complex control that consists of a Slider and a Numerical Input box. Both Controls display the same information and either can be used for Input. When one changs, the other is made to display the same value.
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No. The Label Visible property is separate for the front panel control label and the block diagram terminal label.
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Are you dealing with controls that have empty labels to start?
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External convert samples don't work for PCI-6111

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Why is this so? I'm using NI-DAQ 6.9.1.

Dave,
The Traditional NI-DAQ Function Reference Help for the DAQ_Config function contains the following comment:
Note: (61XX devices only) The only allowed values for extConv are 0 and 2. The conversions occur simultaneously for all channels and are controlled by the scan interval.
The Traditional NI-DAQ Function Reference Help is available in the following location:
Start >> Programs >> National Instruments >> NI-DAQ >> Traditional NI-DAQ Function Reference Help
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Good luck with your application.
Spencer S.

SCB-68 Quick Reference Label for PCI 6251

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