06-26-2021 07:05 PM
I am attempting to use a BNC-2090a DAQ controlled by matlab to send a current pulse to a recording device while simultaneously flashing an LED for a camera to pick up. The thing is that the LED is an IR LED which seem to take a considerably larger forward current.
I have been appalled to find that the documentation about the BNC-2090a's current output is non existent. I know it has a range of -10 to +10 volts, and that its maximum safe current input is 100mA. Unlike some other DAQs I have seen (but do not have access to unfortunately) the matlab device info command will not return anything about its maximum current output rage either.
Does anyone know this information? I believe the answer is probably either 20mA or 100mA but I don't really know.
06-27-2021 10:06 AM
BNC-2090A is just an cabling accessory for other M series DAQ cards, the output drive current is dependent on the actual model of the DAQ you've connected the BNC-2090A to.