from time import sleep import usbtmc import sys idVendor = 10893 idProduct = 4098 instr = usbtmc.Instrument(idVendor, idProduct) print(instr.ask("*IDN?")) command = sys.argv[1] curr_1 = 0.1 vol_1 = 3.3 curr_2 = 0.01 vol_2 = 3.3 if command == "on": instr.write(f"CURR {curr_1},(@1)") instr.write(f"VOLT {vol_1},(@1)") instr.write("OUTP ON,(@1)") instr.write(f"CURR {curr_2},(@2)") instr.write(f"VOLT {vol_2},(@2)") instr.write("OUTP ON,(@2)") elif command == "off": instr.write("OUTP OFF,(@1)") #instr.write("OUTP OFF,(@2)")