I am new to the PLC world. I am a Computer Systems Engineer focused on application development, but I’ve been asked to learn PLCs for a project. I need to access tags from a ControlLogix 1756-L7SP/B LogixSafety PLC using Python.

I have successfully established a connection and retrieved general PLC information via code, but when I try to list the tags, the output shows zero results:

Total de tags encontrados: 0 (Total tags found: 0)

Here is the code I am using:

from pycomm3 import LogixDriver with LogixDriver('192.168.1.5/1', init_program_tags=True) as plc: tags = plc.tags print(f'Total de tags encontrados: {len(tags)}') for name, info in list(tags.items())[:40]: print(name, info)

Brandon Osmar Nuñez Vazquez's user avatar

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