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Instrument Control (GPIB, Serial, VISA, IVI)

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Coding low level for SCB-68

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I am looking to interface the SCB-68 with MatLab using Robot Racontuer. In order to do this I need to know the serial codes that I can put in my Python code to tell the SCB to turn on/off, send an output voltage or frequency, and other general input/outputs. I was looking through the user manuals and found a lot of hardware related things but not anything of how to code for it. Is there anyone who can help me?

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Message 1 of 18
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The SCB-68 is nothing but a connector block.  What DAQ device are you using with the connector block?



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Message 2 of 18
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I will find out in a bit, communication with my group isn't immeadiate unfortunately. But I believe that what is happening is we are taking information from DAQs into a central PC, then we're sending information out through this connector block to send a signal to a fan. Am I incorrect in thinking that I can send signals to this connector block through some sort of low level serial codes?

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Message 3 of 18
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I'd say you are totally incorrect in your assumption. The scb-68 is an interface to an NI daq device and for that you would be using DAQmx. Not at all a low level serial code.
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Alright I'm silly. This is very new to me so bear with me. I believe we using the NI PCIe-7841R, and it came with SCB-68 connector blocks and I mixed up the names. Is this something I can code to or is this still something else?

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Message 5 of 18
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Yes, you can code to it with the FPGA module. Will you be using LabVIEW?
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Message 6 of 18
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We will not be using LabView. My job is to find a way to use MatLab instead (My superior is more comfortable with MatLab). So I'm using some low level code through Robot Raconteur, which is why I need serial codes.

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Message 7 of 18
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There is no such thing as 'serial codes'. Explain what you mean.

I really don't know if you can program the fpga without LabVIEW for that matter. Someone with more experience can perhaps provide an answer.
Message 8 of 18
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The NI website is very clear on what software is compatible, and it is LabVIEW FPGA module.

http://sine.ni.com/ds/app/doc/p/id/ds-98/lang/en

Message 9 of 18
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Thanks. I knew that but I wasn't sure if there was anything else such as a c api.
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