1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
|
>>> import visa
>>> rm = visa.ResourceManager()
>>> rm.list_resources()
()
>>> my_instrument = rm.open_resource('USB2::0x1313::0x8078::PM002896::INSTR')
Traceback (most recent call last):
File "<pyshell#8>", line 1, in <module>
my_instrument = rm.open_resource('USB2::0x1313::0x8078::PM002896::INSTR')
File "C:/Users/icu/AppData/Local/Programs/Python/Python35/Dossiertest\pyvisa\highlevel.py", line 1724, in open_resource
res.open(access_mode, open_timeout)
File "C:/Users/icu/AppData/Local/Programs/Python/Python35/Dossiertest\pyvisa\resources\resource.py", line 209, in open
self.session, status = self._resource_manager.open_bare_resource(self._resource_name, access_mode, open_timeout)
File "C:/Users/icu/AppData/Local/Programs/Python/Python35/Dossiertest\pyvisa\highlevel.py", line 1681, in open_bare_resource
return self.visalib.open(self.session, resource_name, access_mode, open_timeout)
File "C:\Users\icu\AppData\Local\Programs\Python\Python35\lib\site-packages\pyvisa-py\highlevel.py", line 194, in open
sess = cls(session, resource_name, parsed, open_timeout)
File "C:\Users\icu\AppData\Local\Programs\Python\Python35\lib\site-packages\pyvisa-py\sessions.py", line 213, in __init__
self.after_parsing()
File "C:\Users\icu\AppData\Local\Programs\Python\Python35\lib\site-packages\pyvisa-py\usb.py", line 201, in after_parsing
self.parsed.serial_number)
File "C:\Users\icu\AppData\Local\Programs\Python\Python35\lib\site-packages\pyvisa-py\protocols\usbtmc.py", line 256, in __init__
super(USBTMC, self).__init__(vendor, product, serial_number, **kwargs)
File "C:\Users\icu\AppData\Local\Programs\Python\Python35\lib\site-packages\pyvisa-py\protocols\usbtmc.py", line 169, in __init__
raise ValueError('No device found.')
ValueError: No device found. |
Partager