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Fluke
Forum Is there a way of making RS232 communication with fluke 8846a faster?
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Related

Is there a way of making RS232 communication with fluke 8846a faster?

MANVI27
MANVI27 over 1 year ago

I’m using Fluke 8846A for measuring current in a setup where the current range is set to 10A. I’m using MEASure method to read value from Fluke 8846a using RS232 communication at baud rate of 115200 with one stop bit and no parity in remote mode. The time taken from the query to receiving the response is roughly 275ms which is a bit high for my application. I would ideally want it to be less than or equal to 50ms. Is there a way to make this communication faster?
Also I’m trying to synchronize this reading from another source so I want to collect data by single trigger which I think MEASure method provides.

Code snippet used for profiling:

query_msg = "MEAS:volt:dc? 10\r"
ser.write(query_msg)
# Receive data until   
print(time())
received_data = ser.read(17)
print(time())  


Time printed(s) in terminal:
1717717621.2261405
1717717621.5009155

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  • jc2048
    jc2048 over 1 year ago +3
    The 'Extended Specifications' document has a table (scroll down right at the end) of measurement rates which includes the integration times dam-assets.fluke.com/.../2748044_6200_ENG_B_W_1.PDF It looks…
  • jc2048
    jc2048 over 1 year ago

    The 'Extended Specifications' document has a table (scroll down right at the end) of measurement rates which includes the integration times

    dam-assets.fluke.com/.../2748044_6200_ENG_B_W_1.PDF

    It looks like you can go faster than you're seeing if you're prepared to accept less resolution.

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