Is the Siemens et200ai8uv terminal connected casually?

Siemens et200ai8uv terminal is not casually connected. Because Siemens et200ai8uv terminal is a digital input module, it needs to be connected in the correct wiring mode to work normally. Siemens et200ai8uv terminal wiring error will lead to signal interference, misreading or damage to the equipment, affecting the stability and reliability of the system, so it is not casually connected.