-
Posts
6,649 -
Joined
-
Last visited
Content Type
Profiles
Forums
Events
Gallery
Posts posted by attila
-
-
Hi @Dr.Zool
Maybe AD3 V+ is not providing 5V or there is a problem with the IA adapter like one of the relay drivers is bad or it consumes a lot of power and the voltage drops, in this case it should also heat up...
I was only able to reproduce some relays to not switch, just by lowering the V+ voltage from the software code.
Please check the V+ voltage in the Supplies tool: without adapter (V+ controlled from Supplies) and with adapter connected (V+ controlled by IA interface).
Also the power consumptions (USB Current) should not increase by much with the adapter.
You could also verify the V+ voltage (top 3rd/4th pins) on the header or the C3 capacitor on the adapter. -
Hi @Dr.Zool
Like every devices each adapter is tested with a load to make sure the drivers, relays and resistors are ok.
Try using other USB port, powered hub or the latest version which add better USB supply insufficiency detection for AD3: -
Hi @gabagool
The mentioned wrapper is not maintained at the moment.
Use the WF SDK/ samples/ py/..
-
-
Hi @Vladimir F
On ADP3X50 the USB Vbus is only used for host detect, so this has no (<mA) power requirements.
Dropping or fluctuating Vbus voltage could cause the ADP to sense USB host disconnect, resulting communication error in the software.
The source of such problem could be bad USB cable or contact issue.
Eventually high currents passing through the USB cable GND caused by 'bad' supplies, like having different earth connections for the two supplies. Such problem could damage devices. For together used devices is recommended to connect supplies to adjacent sockets or the same extension cord.The earlier post in the same topic:
-
-
Hi @Hansi
The app's "no synchronization" just hides these options to simplify the interface.
Setting wait/run is sufficient in the custom app/script and for synchronized mode use FDwfAnalogOutConfigure(hdwf, -1, 1) or FDwfAnalogOutMasterGetFDwfAnalogOutTriggerSourceSet(trigsrcAnalogIn) trigger on oscilloscope T0
The trigsrcDetectorAnalogIn looks for trigger condition on the analog input. -
Hi @mms14
You could record 10 minutest with the WF application and export, or write a custom application which decodes the streamed data.
-
Have you tried the following:
On 12/4/2023 at 5:09 PM, attila said:$ sudo apt install libqt5serialport5
-
-
-
-
The maximum leakage voltage when the V+ is shut down is 641mV and with 1k dummy load max is 67mV.
The supply circuit's Schottky diode reverse current further reduces this voltage, depending on temperature. On a cold device I see 500mV and after it heats up only 50mV. -
Hi @bfpa40
See the Help tab:
The USB COM (serial port) provides interface boot process and to Linux terminal at 115.2 kbps, 8 data bits, 1 stop bit, no parity. On Linux the serial port is like: /dev/ttyUSB# and on Windows see the COM port number in Windows Device Manager under Ports (COM & LPT). -
Hi @mms14
You can use Logic Analyzer / Export/ Source: All Events The format can be configured for the interpreter.
The Protocol/UART only supports 1 or 2 channels. -
The Analog Discovery 2,3 have V+/V- voltage sources and 2 AWG channels. The V+/- can also be used as slow AWGs.
The DPS3340 has 2 positive and 1 negative voltage/current current sources which can be also used as slow AWGs either in voltage or current mode. The output capacitance is 200-500uF.
See:
https://digilent.com/reference/test-and-measurement/analog-discovery-2/start
https://digilent.com/reference/test-and-measurement/analog-discovery-3/start
https://digilent.com/reference/test-and-measurement/discovery-power-supply-3340/start -
-
Hi @m72
The given names of the signals are not updated automatically when changing inputs or devices.
The next sw version will update them if they start with the default names, DIO, DIN or Sc.Edit: Only the enabled analog channels are digitized.
-
Hi @JonD
Select 32 or 64 bit float format for voltage unit.
The 16 bit options saves raw unscaled sample values which need to scaled. -
Hi @joebobjoe
No, 10MHz on 1 channel is 10Msps.
The samples size is always 16 bits/ channel, 14 bit at up to 125MHz ADC + 1 or 2 bits for lower rates from averaging of multiple ADC conversion. -
Hi @dmangione
The play and record are limited by the USB/ethernet streaming rate if the length exceeds the device buffer size.
On Eclypse oscilloscope capture buffer 256Mi samples total and AWG carrier buffer / channel 64ki (1 AWG Zmod w 2ch) or 32ki samples (2 AWG Zmods w 4ch) -
-
-
Change of Waveforms - Protocol - SPI - custom - First bit
in Test and Measurement
Posted
Hi @Sagi
See the following:
Do you have the Protocol tool open ?