Which hardware do i need??

I have a bipolar stepper motor with DCM8028 drive. I need to control it using labview using various inputs such as force sensors and microphones. For example i need labview to reverse the motor when the force meter outputs a voltage over a certain threshold and also i need a time to be recorded when the microphone senses a sound above a certain volume.
I don't know what piece of hardware will be able to handle all of these inputs and outputs, all i know is that the drive for the step motor requires a pulse train and 5V logic signals.
I would be very grateful for any help.
Thank you
Harry Eakins

Harry,
here are some suggestions for a possible system setup:
Motion Control:
The most cost efficient solution from NI is the PCI-7332 which provides two stepper outputs. It is much cheaper than the PCI-7344 and it should do the job for you.
Measurements:
I would suggest using an M-Series device like the PCI-6220 to acquire the analog signals. The analog inputs of the M-Series provide several features (e. g. hardware timed acquisition, higher accuracy, calibration,...) that make it a much better choice for measurements than the analog inputs of a motion control board.
Please provide some more information about the voltage levels and frequencies of your signals. How fast do you need to reverse the direction when the limit is exceeded?
Best regards,
Jochen Klier
National Instruments Germany

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How do I control furnace temps (ramp and soak)? What hardware do I need?

Please help me~~~~
I use Labview version 8.2 and Compact Field Point. I currently have a small Lindberg/Blue furnace (120V, 6.8A, 8KW) that has a mounted Lindberg/Blue UP150 programmable controller. The temperature control is not currently connected to my PC (and that's a pain).
I would like to replace the present furnace controller with labview control through Compact Field Point. I need to create a ramp and soak program in labview. My
program must be able to:
Soak at 300C for 30 min
ramp to 650C
soak at 650C for 15 min
ramp to 700C
soak at 700C for 10 min
cool to 300C
repeat the above steps as many times as desired.
I am familar with labview but have never controlled any furnace temps. I have figured out that I will need the PID control toolkit. But I'm totally stumped about the hardware I will need. I have searched everywhere but can't find an explanation. I have Compact Field Point and the furnace. What hardware goes inbetween? Just what hardware does the PID toolkit (PID VI's) send a signal to? It seems to me the PID would read a thermocouple and then send a signal to some sort of current regulator that sends a varying current to the furnace. Am I way off? How do I set this up. Can anyone recommend a good book or web site that explains how to set up furnace control using labview?
I really appreciate your help. I'm at the end of my road without it. Thanks alot.
-Gerry Szachara
Chemist
BASF Catalysts LLC

If you can, use a solid state relay as this will be the most reliable and noise free solution to switching. Switching 8kW loads with a relay can lead to arcing of the contacts after a while (and other issues), this is bad news for computers. For an 8kW device you will need to mount the device on some form of heatsink / dissapation surface. Solid state relays normally use an opto-isolated coupling which can usually be powered in the range 3 to 24v. This is connected to the control output of your selected controller.
For control of this sort I personally I prefer a dedicated controller, I use a PC for data logging, program management and monitoring. This is for reliability more than anything else, an NI controller won't come with integrated display and controls to set the device and the foot print in the panel is considerably larger. They also take an age to boot in comparison. You should also consider that you could get an electrical engineer to fit a standard controller with suitable solid state relay etc. and that will help you meet any health and safety requirements easily and quickly! Don't forget than any modifications will need to meet local regulatory requirements such as CE and thus circuit diagrams must normally be produced etc.
If I have the choice of selecting a controller, I like the Eurotherm range of temperature controllers, they are available with varying options just like the controller mentioned in the thread. There are drivers available in this forum and the NI web site for the devices.
http://www.eurotherm.com/
There is also OPC support and the diagnostic software available from Eurotherm is good.
But if a device has a specific manufacturers controller on it I might select one from the same family. Often I look around the plant / factory and see what models are in use. Using a model / type that already in use makes it easy for support in the factory and reduces support calls!
Hope these thoughts help out.

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After viewing MBPs both with and without anti-glare in the Apple Store with my photos, I found that I didn't like the way the anti-glare MBP displayed my photos. Seeing as how displaying my photos to customers was my primary reason for buying the MBP, I decide against anti-glare in my case.
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What hardware do I need to monitor the signal from an incremental encoder?

We are trying to implement a feeding
solution for one of our cutting machines and I’m not quite sure how to proceed.
I have attached a document from the NI website that outlines exactly what we are
trying to do but does not go into detail on any of the concepts like programming
and implementation.
1.) We have a NI DAQPad-6015
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Hi Chris,
For quadrature encoder measurements your
hardware is not the ideal equipment. The 6015 doesn't provide X4
decoding. That means, that the board counts only one raising edge of
one phase. Still, if you connect phase A and B to the counter inputs,
it will count up and down, depending on the direction of the axis, but
as already mentioned, you will loose 75% of the available resolution. Here is some more information about this topic.
The document that you are referring to recommends a PCI-6624
and this is in fact a much better option. This board provides X4
decoding and isolated inputs not only for phase A and B but also for
the Z-index (not available for the 6015).
If you need a USB-solution and if you can work with TTL voltages, you might have a look at the USB-6218, that provides isolated I/Os.
For motion control there are various options. E. g. you could use an NI motion control device like the PCI-7332,
but there are also options to communicate with external motion
controllers through CANopen, RS232 or various fieldbusses. Depending on
the solution that you choose, you may need a bus interface that
provides support for your programming software.
I hope that helps,
Jochen KlierNational Instruments
Message Edited by Jochen on 09-24-2008 09:24 AM

Which Hardware for 2000 SAPS?

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which cable do I need to connect my Mac Book Pro to my Panasonic PV-GS150 video camera for transferring video to iMovie?

I totally understand.
Check some things from here, I have 2 and they have been great so far.
Check here, lots of storage and reasonable prices. Also great support, you get to speak to a person
Clean off your on the G5 drive and off you go.
I suggest buying a second drive and setting it up for a back up, Time Machine or Carbon Copy Cloner, or SuperDuper (both "bootable" back up) All searchable on the web.
http://eshop.macsales.com/search/elite+pro
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How to know which master data objects need to activated in R3

SALES OVERVIEW CUBE -0SD_C03
How to know which master data objects need to activated from delivery version to active version in R/3 for a particular standard cube like 0SD_C03.
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0CONSUMER_LKLS_HIER Consumer
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0CUST_GRP2_TEXT Customer Group 2
0CUST_GRP3_TEXT Customer Group 3
0CUST_GRP4_TEXT Customer Group 4
0CUST_GRP5_TEXT Customer Group 5
0DEALTYPE_TEXT Sales Deal Type
0DEL_BLOCK_TEXT Delivery block (document header)
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0DOC_CATEG_TEXT SD Document Category
0DOC_TYPE_TEXT Sales Document Type
0INCOTERMS_TEXT Incoterms (Part 1)
0INDUSTRY_TEXT Industry keys
0IND_CODE_3_TEXT Industry code 3
0IND_CODE_4_TEXT Industry code 4
0IND_CODE_5_TEXT Industry code 5
0IND_CODE_TEXT Industry code
0ITEM_CATEG_TEXT Sales document item category
0ITM_TYPE_TEXT FS item type
0KHERK_TEXT Condition Origin
0MATL_GRP_1_TEXT Material Group1
0MATL_GRP_2_TEXT Material Group 2
0MATL_GRP_3_TEXT Material Group 3
0MATL_GRP_4_TEXT Material Group 4
0MATL_GRP_5_TEXT Material Group 5
0MATL_TYPE_TEXT Material Type
0MAT_STGRP_TEXT Material statistics group
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0PROMOTYPE_TEXT Promotion Type
0PROV_GROUP_TEXT Commission Group
0REASON_REJ_TEXT Reason for rejection of quotations and sales orders
0REBATE_GRP_TEXT Volume rebate group
0RECIPCNTRY_TEXT Destination country
0ROUTE_TEXT Route
0SALESDEAL_ATTR Sales deal
0SALESDEAL_TEXT Sales deal
0SALESORG_ATTR Sales organization
0SALESORG_TEXT Sales Organization
0SALES_DIST_TEXT Sales district
0SALES_GRP_TEXT Sales Group
0SALES_OFF_TEXT Sales Office
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Base Unit of Measure 0BASE_UOM
Bill-to party 0BILLTOPRTY
Calendar Day 0CALDAY
Calendar Year/Month 0CALMONTH
Calendar Year/Week 0CALWEEK
Change Run ID 0CHNGID
Company code 0COMP_CODE
Cost in statistics currency 0COST_VAL_S
Credit/debit posting (C/D) 0DEB_CRED
Distribution Channel 0DISTR_CHAN
Division 0DIVISION
Number of documents 0DOCUMENTS
Sales Document Category 0DOC_CATEG
Document category /Quotation/Order/Delivery/Invoice 0DOC_CLASS
Number of Document Items 0DOC_ITEMS
Fiscal year / period
Fiscal year variant 0FISCVARNT
Gross weight in kilograms 0GR_WT_KG
Number of Employees 0HDCNT_LAST
Material 0MATERIAL
Net value in statistics currency 0NET_VAL_S
Net weight in kilograms 0NT_WT_KG
Open orders quantity in base unit of measure 0OPORDQTYBM
Net value of open orders in statistics currency 0OPORDVALSC
Payer 0PAYER
Plant 0PLANT
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Record type 0RECORDTP
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Sales Organization 0SALESORG
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Message was edited by: Bhima Chandra Sekhar Guntla

Hi,
How to know which master data objects need to activated from delivery version to active version in R/3 for a particular standard cube like 0SD_C03.
I think, you are looking for master data sources(text,attributes,hier).Am i right?
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What hardware do I need to play music from iPad?

Hi all!
I've seen this done, but never asked how it's done! This may be a simple question for almost all of you, but I don't even know how to phrase it to look up via a web search!
I just ordered an iPad (4th generation) and one of the things I would like to do is play the music from it remotely. I work at a retreat center and during sessions/prayers we play music. I would like to do this at the podium rather than running back and forth to a dock (for an iPad, if there's such a thing) at the back of the room to push those buttons; we do this currently with our cd player.
So, what kind of hardware would I need to do so? Also, would it be possible to tie in this hardware to our overhead speaker system? What apps on the iPad would control this? Please keep in mind while I am a huge Apple fan and have an iMac & iPod, I am limited in my knowledge (so far) with a iPad. And my boss, who leads these services, is not the most tech savvy person, so it would need to be simple to operate too!
Thanks for any and all advise!!!!

"Rather than testing the limits of Bluetooth, maybe you should consider buying an Apple AirPort Express router and setting up a separate wifi network just for this link. No idea whether the audio output of the Express will match the "Hi-Z" Aux phono inputs electrically, but it seems worth a try if you have an Apple Store (or dealer) in the area. The price is within the range of BT mobile speakers offered through the Apple Store, and I know it can handle the range easily."
Okayyyy... the AirPort Express router sound like a more practical idea. I'll go with that; but I still have the same issue with connection to the amp. And I am not at all well versed in electronics to understand "Hi-Z" matching thingie . In your best guess, can connection be made with AirPort to our amp system via a bare wire connection??
"You used to be able to buy connector-X-to-bare-wire cables (for various values of X) at places like Radio Shack; you may still be able to do so. Failing that, buy a separate X-to-X or X-to-Y cable and cut off one end of that, rather than cutting a cable supplied with a BT (or WiFi) receiver, so you can return the receiver if it doesn't work for you."
Again, a more pratical idea, mark! I will look for such a cable; we have a Radio Shack down the road. To ask a dumb question with the "x-to-x or x-to-y" you mention above. I know one value is for the connector (x or y: type of jack, as like a headphone one or speaker). The other value has no change and would that possibly be the red and white lines commonly found on standard jacked connectors?
Third question: those red and white lines - are they different in the type of wire that is used in it's construction and that's why they are so marked? If I strip for bare wire connection, do I have to keep them marked for what will go where to the amp?
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I've never seen this issue, and I handle many iPads, of all versions. WiFi issues are generally local to the WiFi router - they are not all of the same quality, range, immunity to interference, etc. You have distance, building construction, and the biggie - interference.
At home, I use Apple routers, and have no issues with any of my WiFi enabled devices, computers, mobile devices, etc - even the lowly PeeCees. I have locations where I have Juniper Networks, as well as Aruba, and a few Netgears - all of them work as they should.
The cheaper routers, Linksys, D-Link, Seimens home units, and many other no name devices have caused issues of various kinds, and even connectivity.
I have no idea what Starbucks uses, but I always have a good connection, and I go there nearly every morning and get some work done, as well as play.
You could try changing channels, 2.4 to 5 Gigs, changing locations of the router. I have had to do all of these at one time or another over the many years that I have been a Network Engineer.
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Thank you very much.
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The resolution is supported, whether at 60 Hz, I do not know.
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awesomewax wrote:
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