Random Instrument Identification Query Function

This code defines a function named random_resource_query. The function randomly selects an instrument type (GPIB, ASRL, or TCPIP), opens a resource using the PyVISA library, and queries the IDN (Instrument Identification) of the resource.

Technology Stack : PyVISA

Code Type : The type of code

Code Difficulty : Intermediate

                
                    
import random
import visa

def random_resource_query():
    # Randomly select an instrument type and query its identity
    instrument_types = ['GPIB', 'ASRL', 'TCPIP']
    selected_instrument_type = random.choice(instrument_types)
    rm = visa.ResourceManager('@py')
    resource_name = rm.list_resources(selected_instrument_type)[0]
    instrument = rm.open_resource(resource_name)
    
    # Query and return the identity of the instrument
    identity = instrument.query("*IDN?")
    instrument.close()
    return identity