CFP-AIO-610 electrical isolation between input and output channels

Manual states "The input and output channels of the [c]FP-AIO-610 are not electrically isolated from each other". I assume this means that the commons on the input channels are connected and the commons for the output channels are connected but it does not mean that all channels on the module are connected. Is this correct? I intend to monitor two self-powered 4-20mA signals coming from a single instrument and also send two voltage signals to a different instrument. Any advice is greatly appreciated. Thanks!

RavensFan wrote:
Why do you think there aren't situations where common AI and AO references are acceptable? I think in most situations where it is already okay to use non-isolated channels, having common commons is just fine.
From the standpoint of interacting with two different instruments, such as my situation. Rarely in my experiences so far are analog communication or measurements on separate instruments going to all be referenced to the same common / earth ground. Instrument A has it's own common reference and instrument B has it's own common reference. My 20mA loop is externally powered and I can earth ground the power supply negative but the voltage output to another instrument is not but hte channels are isolated so maybe I can do it anyway. I'm hardly an expert and only trying to build my own knowledge base on how to use NI hardware. Perhaps I'm over-thinking this too much and it will work.

Similar Messages

How to temporally match/save Input and Output Channels's data?

Hello, I have a voltage-input, voltage-output SISO system, and need to indentify its dynamic response (or transfer function) as a reference to a PID control. Without using the system identification toolbox, my goal is to generate/provide a sine sweep input (ranging 1Hz-5kHz for 10sec) to the system and to save the corresponding output response signal as well as the sweep input signal simultaneously.
I got a sample program online and am trying to modify it as attached, but I really need your advices/comments concerning several problems I am facing with:
1) With the below setting, the number of the acquired Input channel samples obtained is 5461, which is smaller than expected (i.e., 10000). What would I be missing in setting parameters?
- H/W: NI-USB-6341 DAQ
- AO: continuous samples with the waveform timing (1k sampling, 10000 samples => 10 sec, slower sampling just for testing purpose)
- AI: continuous samples, samples to read: 30k, rate: 1k
2) I am using flat sequence structure as a way to making the start point of saving AI and AO data same, but wonders if this is a right method or if there is other better approaches. (I had an idea of using an internal clock with "1-sample mode" for sync, but this may not work at the high speed sine sweep like 5kHz, right?)
3) I just want to provide the sine sweep just once to the system and do not require the "reset" functionality implemented in the original sample program. I failed to remove this "reset" part as I did not fully understand the sample code. If I run the attahed, the generated AO signal is periodically provided to the system. Please give me any advice to modify the program as I want.
Thanks for your help and valualble time.
Attachments:
siso.vi ‏230 KB

Hi J. Kim,
To begin, you say you want to synchronize your analog input and output so that they start at the exact same time, yes? To achieve tight synchronization, you need to use DAQmx VIs instead of the DAQ Assistant. There's a good overview of DAQmx VIs here. There's also a document that deals specifically with synchronization in DAQmx here. Additionally, if you go to Help>>Find Examples in the LabVIEW example finder, you can see many other examples of acquiring data using DAQmx.
As for your configuration, you have your analog input DAQ assistant wired far before your analog output DAQ assistant in your sequence strucutre, so the dataflow of the program will cause the analog input DAQ Assistant to execute before the output. They cannot be in different sequences if they are executing simoultaneously, and I would not use flat sequences here except to start the two tasks in DAQmx. Where did you find this example?
Best,
Dan N
Applications Engineer
National Instruments

Measuring lag between input and output sine waves...

Hi,
I am using a Labview VI to control an array of servo motors, each receiving a sine wave input (with different phase offsets for each servo). I'm using a NI USB-6229 DAQ system to monitor their movement via a wire that I've soldered onto each servo's potentiometer. I've written another VI that recieves both the initial sent signal and the returned DAQ signal and plots both on a waveform chart. Both signals show up on the plot as expected, with an obvious phase shift between them. I'm having problems accurately measuring the phase shift, and I'd rather have an automatic method that gives accurate numerical values instead of a more qualitative visual method.
So far I've tried to use triggers and peak to peak comparisons, but I've been having problems getting results in real time. My incoming signals are time stamped, if that helps. Is there a quick and easy method to extract phase shift data from two sine waves on a waveform chart?
Thanks for the help...

Since I work with lock-in amplifiers I came up with this. I guess it will work in your case. This method has some limitations. It will work up to 180 degree. It also measure absolute phase lag. You can not say if the signal is leading or lagging. But in your case it will always be lagging. I posted a VI showing the method in another discussion. Here is the link. http://forums.ni.com/ni/attachments/ni/170/409516/1/demo_v2.vi. Since your DAQ unit do not have simultaneous sampling you will get a small phase error due to inter-channel delay. This is also true if you use the FFT method. What is your signal frequency and which samplerate do you use?
Besides which, my opinion is that Express VIs Carthage must be destroyed deleted
(Sorry no Labview "brag list" so far)

Difference between input and output values

I am using NI DAQ 6024E and SCB 68.
I have shorted one anlog output and input channel
in the SCB 68 board itself.(differential connection). that is whatever ouput voltage
i am giving at o/p channel 22 and 55 should come at i/p
channel 68 and 34. But when i read the values in my VI,
the input voltage is higher than o/p. why is the difference.
I used default buffer size 1000 and AI Single scan and AO Single Update.

There doesn't seem to be a problem with your pin connections.
The SCB-68 has a temperature sensor that can be used as cold-junction compensation for thermocouple measurements. If the temperature sensor is enabled, it will use channel 0 of the DAQ device.
Since you are connecting to channel 0 of the 6024E, I would make sure you have the temperature sensor of the SCB-68 disabled. You can disable the temperature sensor by using the switched of the SCB-68. The User Manual of the SCB-68 is linked below and provides the information on how to disable the temperature sensor (page 2-4).
SCB-68 68-Pin Shielded Connector Block User Manual
http://digital.ni.com/manuals.nsf/webAdvsearch/74C86ADEF0E4813F86256C84007CB3AB?OpenDocument&vid=niwc&node=132100_US
I hope t
his helps.
Regards,
Todd D.

How to switch USB-6008 between digital input and output modes

Hi I have been following the examples of setting a specific port to either inout or output using the DAQmxCreateDIChan() or DAQmxCreateDOChan() calls. What I now want to do, is switch betwen inout to output mode and back again.
DAQmxCreateDOChan()
DAQmxWriteDigitalLines()
// do something
//switch to input
DAQmxReadDigitalU32()
// switch back to output
I can't seem to find any calls or discussions on this.
rjmiller

Hi RJM,
If you want to be able to switch your digital line between input and output, then you will need to use the Tristate Property. There is another discussion forum with more detailed information about using this property and I believe that you have already seen it. I am going to post the link in case anyone else wants to see the other forum as well: Tristate Property Discussion Forum. Reddog's post is very informative.
Regards,
Hal L.

How can I use a different driver for audio input and output?

I did a search of course, and came up with something about an aggregate. I have no idea what this is, how to do it, or if it would even work for me.
What I am trying to do is:
1) Record into Logic Express using my Tascam US-122.
2) Have playback come out of my computer sound system, not the Tascam.
If I go over to the Audio setup window, I can only record when the driver is set to Tascam US-122. Likewise, I can only listen to sound when my Built-In Audio is selected. It gets rather annoying going between the two.
So, would this aggregate thing solve my problem? If so, how do I do it? Thanks for any help!
-allen

Yes it should do what you want.
Go to "Audio Midi Setup", and go to the Audio menu and click "Open Aggregate Device Editor". The interface is pretty simple but if you do get stuck, just use the help function in Audio Midi Setup, as it has a step by step guide.
Then when you return to logic, go to the Preferences>Audio>Drivers section and select Aggregate Device as the new driver rather than either the built in sound or the tascam. Then the inputs and outputs will apply to BOTH devices.

FINALLY INPUTTING and OUTPUTTING Annotations!

Ok, before everyone thinks that this is a very bad solution, I have to tell that I`m no programmer and my knowledge of PostgreSQL, Ruby or any other language is very poor.
With useful help from Jamie Hodge, fbm and Nicholas Stokes (mainly)
I could manage to write a command for inputting and outputting from Final Cut Server Annotations.
So lets go to the fun part:
INPUTTING:
1- Create a Response called "Annotations IN" (or whatever you want):
a - Reponse Action: "Run an external script or command"
b - Run Script > *Commnad Path: /Library/Application Support/Final Cut Server/Final Cut Server.bundle/Contents/Resources/sbin/fcsvr_run
Command Parameters: psql px pxdb -c "COPY pxtcmdvalue FROM '/FCSRV/annotation-in.txt' USING DELIMITERS '|';"
2 - Create a poll Watcher with name: "Watch for Annotations IN"
a - Enable: true
b - Monitor Address: Chooses a Device (create a new one or use a tmp one) and path to where you`ll going to put a txt file with the annotations.
c - Response List: Choose the Response you created "Annotations IN" in my case.
d - Event Type Filter: Created, Modified
e - Poll Watcher > Listing Frequency: 2 (or any number of seconds you feel like it).
Listing multiple: 2
Wildcard include Filter: *.txt (or any custom extensions you want)
3 - Create a txt file and use this as a template:
{ASSET_ENTITYID}|1527|{TCIN}/(30000,1001)|{TCOUT}/(30000,1001)|{Annotation}|{USE RID}|{DATE}
Where:
{ASSET_ENTITYID} = Is the entityid of your asset. You can find what number it is by issuing:
/Library/Application\ Support/Final\ Cut\ Server/Final\ Cut\ Server.bundle/Contents/Resources/sbin/fcsvr_run psql px pxdb -c "SELECT pxmdvalue.entityid, pxmdvalue.value AS asset_name FROM pxmdvalue INNER JOIN pxentity ON pxentity.entityid = pxmdvalue.entityid WHERE pxmdvalue.fieldid='1543' AND pxentity.address LIKE '/asset/%';"
This will output ALL your assets, so if you know the name or want to parse the name you can use:
/Library/Application\ Support/Final\ Cut\ Server/Final\ Cut\ Server.bundle/Contents/Resources/sbin/fcsvr_run psql px pxdb -c "SELECT pxmdvalue.entityid, pxmdvalue.value AS asset_name FROM pxmdvalue INNER JOIN pxentity ON pxentity.entityid = pxmdvalue.entityid WHERE pxmdvalue.fieldid='1543' AND pxmdvalue.value='ASSETNAME' AND pxentity.address LIKE '/asset/%';"
Where in ASSETNAME you`ll have to put your Asset Name without extension.
{TCIN} and {TCOUT} is, of course, the TC`s points. In the form of: HH:MM:SS;FF
{Annotation} is the commentary.
{USERID} (in my case was 1)
{DATE}: This one is tricky. My example is 2009-03-15 19:31:15.839795-03
So is in the form YYYY-MM-DD HH:MM:SS.????? I really don`t know the rest. Could be milliseconds?
Of course one can write a script to translate everything from a txt file like:
ASSETNAME | TCIN | TCOUT | ANNOTATIONS | USER
But as I`ve said I`m no programmer
Ok.. now the time for the OUTPUT:
The command-line is:
/Library/Application\ Support/Final\ Cut\ Server/Final\ Cut\ Server.bundle/Contents/Resources/sbin/fcsvr_run psql px pxdb -c "SELECT pxmdvalue.value AS Asset_NAME, pxtcmdvalue.value, pxtcmdvalue.begintc, pxtcmdvalue.endtc FROM pxmdvalue INNER JOIN pxtcmdvalue ON pxmdvalue.entityid = pxtcmdvalue.entityid WHERE pxmdvalue.value='ASSETNAME';"
Where ASSETNAME is the Asset name without the extension.
Or issuing the following to OUTPUT ANNOTATIONS from ALL assets:
/Library/Application\ Support/Final\ Cut\ Server/Final\ Cut\ Server.bundle/Contents/Resources/sbin/fcsvr_run psql px pxdb -c "select * from pxtcmdvalue;"
Adding "> /PATHTO_WHERE_IN_WANT/ANNOTATIONSOUTPUT.TXT" at the end will put all output into a txt file.
It`s possible (in theory) to:
1- Create a boolean md field in FCSRV called "EXPORT Annotations" (don`t choose lookup)
2- add or create a md group called "Export Annotations" and add the above md field to it (don`t choose lookup)
3- Add "Export Annotations" md field to Asset Filter md group
4- Make a Response for Running external command. Command path: /Library/Application Support/Final Cut Server/Final Cut Server.bundle/Contents/Resources/sbin/fcsvr_run
Command Parameters: psql px pxdb -c 'SELECT pxmdvalue.value AS Asset_NAME, pxtcmdvalue.value, pxtcmdvalue.begintc, pxtcmdvalue.endtc FROM pxmdvalue INNER JOIN pxtcmdvalue ON pxmdvalue.entityid = pxtcmdvalue.entityid WHERE pxmdvalue.value=[FileName];' > ~/Desktop/ann-out.txt
(I`m having problem with this, it doesn`t work).
5- Make a Subscription that if Export Annotations modified = true, trigger if changed and trigger the Response above.
6- Add exporting annotations md group to Media md set.
In theory it`s possible to modify the FinalCutServerIntegrationSample get and input annotations instead of adding another "comment" field to md group list.
Few!
Ok so please help beautify this out!
This will be very useful for a lot of people.... We know that it`s only a matter of time to FCSVR have this function built-in... but this "time" could be years.
So let`s start ourselves!
Thank you very much!!
Regards!

AlphaBlue wrote:
jverd wrote:
What were you hoping for? Someone reading your mind for what exactly you need, and handing you a giftwrapped answer, without you doing any work or clearly communicating a specific problem? This site doesn't really work that way.Fair enough. I'm asking for insight into how to input from and output to a StarOffice Spreadsheet into/from a Java program. (Think java.io except with spreadsheet files instead of .txt files.) I already answered that question.
I need to accomplish this without the use of a community-created library.That's a bizarre requriement. Why?
>
Okay, [here you go|http://lmgtfy.com/?q=communication+between+StarOffice+Spreadsheets+and+Java].
If you don't have any knowledge or experience, on the matter, please refrain from directing me to a google search. I assure you, I have already performed such a task.How would I know that.
But okay, let's say I know that. Let's say you bothered to point out that you've already done that. Further, let's say I do have knowledge of the subject at hand. Maybe I'm an expert. Maybe I wrote Star Office and an open source library (which wheel for some reason you must reinvent). You are assuming that I also have psychic powers, so that I can read your mind and know exactly what you've read so far and exactly what parts of your very broad and vague question said reading did not answer.
In short, you have received answers commensurate with your questions.

Input and output on same device, producer/consumer structure

Hello interested people,
I have a question about using the same device for both digital inputs
and outputs. I have written a simple program of one while loop
that continuously polls the device, processes, and requests. I
have addressed the device using two DAQmx Asst. and I have attached
them with their error in/out cluster terminals to provide data flow and
eliminate the chance of addressing the devices at the same time (which
produces an error). Now I want to change this program structure
to a producer/consumer loop foundation with state machine.
In this design, I will have the DI in the producer loop and the DO in
the consumer loop, under one of the states. I can't simply
connect the error in/out ports in this configuration, so my question is
how to avoid the error caused by addressing the same device
simultaneously with two different tasks (input and output)? I
have attached two VI's, the "One Loop" vi is the original configuration
(simplified), and the Producer-Consumer vi is a NONSENSICAL program
that simply represents the desired configuration. (I don't need
any comments on the programming of this vi, it is only an example for
illustration of the problem).
I am thinking about bundling the input data and the error cluster, both
from the PXI 6528 DI, into one cluster, queueing that up, and
unbundling the de-queued elements for some kind of data flow between
the producer loop and the "Request" state of the consumer loop.
Is this the right approach, or am I barking up the wrong tree?
Thanks
Attachments:
One Loop DO DI.vi ‏102 KB
Producer-Consumer DI-DO.vi ‏106 KB

Hello,
It sounds to me like you really have two modes:
1. user interface actions determine execution
2. user interface is locked, and execution is automated.
I think it would make sense to use the producer consumer for an architecture. Basically you would do the following:
1. program the producer to handle the user interface as you normally would.
2. provide one additional event case in the producer which would be your "automated handling" case. In that case, you could put a state machine which could run until whatever conditions were met to put your program back in "user interface mode".
Keep in mind that you can use custom USER EVENTS to programmatically generate events ie. you can trigger the start of your "automated handling" form anywhere in your code at virtually any time.
I think this would allow you to take advantage of the producer consumer architecture in its intended spirit, while integrating an automated routine.
I hope this helps!
Best Regards,
JLS
Best,
JLS
Sixclear

R12 - Input and Output Tax Classification Codes in Invoices Workbench

Hello,
After upgrade from 11i to R12, in invoices workbench, the Tax Classification Code LoV (invoice line field) contains taxes that formerly were both input and output.
In the E-Business Tax Implementation guide says that :
Release 11i tax codes and tax groups migrate to E-Business Tax as tax classification
codes. Payables and Purchasing tax codes migrate as tax classification codes under
ZX_INPUT_CLASSIFICATIONS. Receivables and Projects tax codes migrate as tax
classification codes under ZX_OUTPUT_CLASSIFICATIONS.
In invoices workbench form (APXINWKB), I looked in the record group for the LoV and the values are all from the same view zx_input_classifications_v.
SELECT lookup_code, meaning, description
FROM zx_input_classifications_v
WHERE lookup_type = 'ZX_INPUT_CLASSIFICATIONS'
   AND org_id IN (:inv_sum_folder.org_id, -99)
   AND enabled_flag = 'Y'
   AND nvl(:inv_sum_folder.invoice_date, sysdate)
                between start_date_active and nvl(end_date_active, :inv_sum_folder.invoice_date)
UNION
SELECT lookup_code, meaning, description
FROM zx_input_classifications_v
WHERE lookup_type = 'ZX_WEB_EXP_TAX_CLASSIFICATIONS'
   AND org_id IN (:inv_sum_folder.org_id, -99)
   AND enabled_flag = 'Y'
   AND nvl(:inv_sum_folder.invoice_date, sysdate)
                between start_date_active and nvl(end_date_active, :inv_sum_folder.invoice_date)
It follows that some formerly Payables and Purchasing tax codes were migrated as 'ZX_INPUT_CLASSIFICATIONS' or 'ZX_WEB_EXP_TAX_CLASSIFICATIONS'.
Anybody knows how is the 11i tax code data migrated to R12 ? Is this the intended behavior ?
Thanks

I'm not a functional expert but I would suggest reviewing the following docs and see if it helps.
How To Update EBusiness Tax Lookup Codes? (Doc ID 466578.1)
Payables - Invoices - Invoice Lines Tax Classification LOV duplicating entries (Doc ID 1265315.1)
Upgraded Tax Classification Codes Not Enabled For Iexpenses (Doc ID 851607.1)
Thanks,
Hussein

How to set the input and output of a subVI

I am trying to configure a subVI by following Chap. 7 of "LabVIEW fundamentals". But I stuck at "Building the connector pane".
My subvi is quite simple, just for testing purpose. I plan to do a summation and display the result. So I placed one numeric Add icon on the block diagram and a numeric Indicator on the front panel. I built a connector pane with three terminals, two for input and one for output.
But, how could I associate the terminals on connector pane with inputs and outputs of terminals on the block diagram? I wanna build a subVI, whose input are two numbers and display the summation on the subVI.
Forrest Sheng Bao, Ph.D.
Assistant Professor, Dept. of Electrical & Computer Engineering
University of Akron, Akron, OH, USA
https://sites.google.com/site/forrestbao/

Hi Forrest Bao,
use the right mouse key as often as you can in LabVIEW. It´s very helpful. If you right click on a link in the connector pane, then you can select to disconnect selected or all.
Mike
Message Edited by MikeS81 on 08-28-2008 01:33 PM

Synchronisation of input and output using myDAQ

Hello!
I am currently using the NI myDAQ and use both analoge output. and both analoge inputs. The sampling rate needs to be as high as 200k Hz. (Also within the while loop I do quite a lot of data manipulation and saving into text files.) My vi works generally fine, but I still have to problems:
1. How can I ensure that the read and write tasks are synchronised? I found out that it is not possible to use other trigger than the sample clock for write and read tasks using the myDAQ. (Is this right?) So as a workaround for me it is not important that the tasks start at the same time, but I want to ensure that the delay between "Start Write Task" and "Start Read Task" always is the same. Is this possible? And how can I realise it?
2. If I want to generate a non periodical signal that is not constant, how do I best generate this? At the moment I use a Sine Waveform.vi with a frequency of 0 and I change the offset input with every loop. I also tried to use the FormulaWaveform.vi but with this my produced waveform seemed to stop after completing the "number of samples in the waveform". But the sampling info must be the same for both AO channels I use, so I cannot simply increase this number.
Thanks a lot for any help! Jules
Attachments:
MyDAQReadWrite.vi ‏72 KB

hi Jules,
If you only want to ensure that the delay between "Start Write Task" and "Start Read Task" always is the same, you can realize it with a simple while loop (with Wait Until Next ms Multiple).
But if you want to synchronize for example both analog input, you can see how it works in different examples. Following Path is shows you how to find these examples:
In LabVIEW -> Help -> Find Examples... Brows(Brows according to Task): Hardware Input and Output -> DAQmx -> Synchronization -> "Analog Input Synchronizantion.vi"
To generate a non periodical signal that is not constant, you can change the offset input every loop. If you want to manipulate the offset while running you can also use local variables in the loop.
In this case you could manipulate for example with a slide control.
Regards,
grroesis

I'm trying to record in Adobe Audition and it keeps saying my the sample rates for my input and output devices do not match. How do I correct this?

I'm trying to record in Audition and it keeps saying my sample rates for the input and output devices don't match. How do I fix this?

I finally have communication between the ISA One and Audition. I moved the optic cable to another SPDIF on the computer and from the SPDIF to ADAT on the ISA One and it finally agreed that the communication was at the same clock speed. The audio was not intelligible so I moved the optic cable back to the original configuration and I can record voice that is clean.

SSIS: How to use one Variable as Input and Output Parameter in an Execute SQL Task

Hello,
i need your help,I'm working on this issue since yesterday and have no idea how to deal with it.
As I already said in the tilte i want to start a stored procedure via a Execute SQL Task which has around 15 prameters. 10 of these should be used as input AND output value.
As an example:
i have three Variable:
var1    int        2
var2    int     100
var3    int     200
the stroed procedure:
   sp_test
     @var1 int
      @var2 int output
      @var3 int output
   AS
   BEGIN
        SET @var2 = @var2 * @var1
        SET @var3 = @var3 + @var1
   END
So in the Execute SQL Task i call the Stored Procedure as follwos:
    Exec sp_test  @var1 = ?, @var2 = ? output, @var3 = ? output
(I use an OLE DB Connection)
The parameter mapping is as follows:
User::Var1        input                   numeric              0                 -1
User::Var2        input/output         numeric              1                 -1
User::Var3        input/output         numeric              2                 -1
Now my problem. If i set  Var2 and Var3 as Input parameter the values are still the same after running the package. If i set them to a output value the are both Null because the procedure doesnt get any values.
I already tried to list them a second time - like
    User::Var2        input                  numeric              1                 -1
    User::Var2        output                 numeric              1                 -1
or i use a new variable
    User::Var2                  input                  numeric              1                 -1
    User::Var2Return        output                 numeric              1                 -1
but i alwas get the error
"Multiple-step OLE DB operation generated errors. Check each OLE DB status value, if available. No work was done."
Has anybody an idea how I can solve this problem?
Thanks a lot.
Kind Regards,
Alice

Hi Alain,
thx for your answer.
I have around 15 procedures called one after the other to calculated and modify my values. Each procedure is responsible for an other but overlapping set of variables. So i thought it would be a good idea to call them one after the other with the needed variables via a execute sql task.
So if i use a result set, how i get my stored procedure to return 10 values? I would have to use a Function instead of a procedure, wouldn't i?
As if i have 15 procedures this would be a lot of work.
But thanks a lot for the idea. I think an other idea would be to create one function which calls all stored procedures and returns all the calculated values as a result set, wouldn't it?.
Kind Regards.
Alice

How can I make Apple Earphones be the Input and Output for Audio

I have some older headphones and they aren't compatible with a Mid 2010 (Intel Core i3) 21.5 Inch iMac
Is there some way to make Apple Earphones be the Input and Output for Audio in the iMac
This is a problem for me personally as when I am talking to someone on Skype the iMac picks up the In-built Microphone audio, and yes the headphones I'm using do work straight from the iMac as audio output
Any help is appreciated

you can connect the headset to something like this
http://www.ebay.com/itm/NEW-MaelineA-3-5mm-Female-to-2-Male-Gold-Plated-Headphon e-Mic-Audio-Y-Splitter-/381100440348
and then connect the mic to the input and the headset to the headset port

How to use a bluetooth cellphone for audio input and output

Hello, I was wondering how to set-up my Mac Book so that I can use my bluetooth cellphone for audio in and audio out. Ideally, I would like to use my handset for talking on iChat and Skype. Has anyone had any luck doing this? When I bond my cellphone these optiosn do not appear. I know that this is easy to do on a Windows machine but I am not sure about how to do it on my Mac Book.
Thanks!

Yes it should do what you want.
Go to "Audio Midi Setup", and go to the Audio menu and click "Open Aggregate Device Editor". The interface is pretty simple but if you do get stuck, just use the help function in Audio Midi Setup, as it has a step by step guide.
Then when you return to logic, go to the Preferences>Audio>Drivers section and select Aggregate Device as the new driver rather than either the built in sound or the tascam. Then the inputs and outputs will apply to BOTH devices.

CFP-AIO-610 electrical isolation between input and output channels

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