Hi,
I am trying to accurately test the Industrial 0-20mA Bricklet for a 2 wire application. My application will be using 24VDC for excitation with a 0-20mA Pressure Transducer. (Pin 1 +24V Power Supply, Pin 2 0V Return to Power Supply, Pin 3 to Transducer Excitation, Pin 4 Signal from Transducer).
To test the accuracy of the Bricklet, I was thinking of renting a Keithley 6220 Current Generator BUT I am not sure how I would wire thise into the bricklet. A Current loop Simulator might not be accurate enough. I am looking for an input source that will allow we to select current at 16 bits or 0.00061mA.
If anyone has a good idea of how to accurately test the Bricklet then let me know. Please send wiring diagram of setup.