Allen-Bradley PanelView Standard 550, model 2711-K5A2 — one of the most widely used HMIs in industrial automation due to its reliability, durability, and easy integration with Allen-Bradley PLCs over DH-485 communication
The G9SA-301 is a safety relay unit designed to monitor and control safety circuits (e.g., emergency stops, safety gates, interlock switches) in industrial machinery and automation. It provides multiple safety-rated output contacts and accepts AC or DC control power depending on the version.