05-21-2020 11:02 PM
Hi,
i am looking for USB DAQ(8ch, 4~20mA) current source module.please recommend suitable one.
05-22-2020 02:35 AM
Almost impossible to spec something without knowing your requirements (Accuracy, resolution, update rate, communication protocol, process connection etc)
As a starting point you could look at the cDAQ-9171 with a NI-9266.
You are best off contacting NI Sales for more product selection advice