Products > Test Equipment
Rigol DP832 - Firmware list and bugs
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garrettm:

--- Quote from: bson on March 22, 2020, 10:06:35 pm ---[...] so unless you start a measurement (MEASure), set a trigger, or auto trigger-and-wait (READ) the instrument won't take measurements or display a readout (readout being a calibration data corrected measurement).  My Keithley 2001 works the same; if I recall it also permits choosing what settings to load on reset, with the default being a complete reset with everything disabled (which is more practical for remote operation).

--- End quote ---

You can also use INIT to begin a measurement, *OPC? to query if the measurement is done and FETC? to move the measurement to the output buffer. Of course, the DMM must be triggered, as you pointed out, either internally, externally or over the bus. I generally let the DMM figure out the triggering (TRIG:SOUR IMM) but you can manually trigger by sending *TRG (if using TRIG:SOUR BUS).

@Trident900fi are you using the Python script or are you writing your own? If you're using the Python script you might want to also get help over at https://www.eevblog.com/forum/testgear/dp832-calibration-using-python-pycharm-running-on-windows/. You can also use my Telnet script if you'd like. If you do, test your setup first using test_run.bat.
Trident900fi:

--- Quote from: garrettm on March 23, 2020, 03:10:56 am ---
--- Quote from: bson on March 22, 2020, 10:06:35 pm ---[...] so unless you start a measurement (MEASure), set a trigger, or auto trigger-and-wait (READ) the instrument won't take measurements or display a readout (readout being a calibration data corrected measurement).  My Keithley 2001 works the same; if I recall it also permits choosing what settings to load on reset, with the default being a complete reset with everything disabled (which is more practical for remote operation).

--- End quote ---

You can also use INIT to begin a measurement, *OPC? to query if the measurement is done and FETC? to move the measurement to the output buffer. Of course, the DMM must be triggered, as you pointed out, either internally, externally or over the bus. I generally let the DMM figure out the triggering (TRIG:SOUR IMM) but you can manually trigger by sending *TRG (if using TRIG:SOUR BUS).

@Trident900fi are you using the Python script or are you writing your own? If you're using the Python script you might want to also get help over at https://www.eevblog.com/forum/testgear/dp832-calibration-using-python-pycharm-running-on-windows/. You can also use my Telnet script if you'd like. If you do, test your setup first using test_run.bat.


--- End quote ---
I'm using your Telnet script :-)
My DMM is back to KEITHLEY now. He got a problem with power transformer making hum...
Neuromodulator:
Hello,

I programmed yet another DP832 calibrator in Python https://github.com/Neuromod/DP832-Calibrator. I've found that the when using low V/I values, the calibration isn't that great. I haven't tested that many different value lists, but I got something that gave me acceptable results. I've also used very slow current calibration, so that the measurements are performed at steady-state temperature. Of course the output gets completely screwed up if more or less heat is generated. Still here are some plots I got:

alank2:
Are you guys running the 01.16 firmware now?  I'm on 01.14 - should I upgrade it?
tv84:

--- Quote from: alank2 on June 24, 2020, 08:14:34 pm ---Are you guys running the 01.16 firmware now?  I'm on 01.14 - should I upgrade it?

--- End quote ---

Why not?  :-//
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