The Allen-Bradley 1771-LC3B is a microprocessor-based loop controller from the PLC 5 series. It features a 2-line alphanumeric LCD screen for clear text display and includes 8 programmable control keys for user interaction. This standalone controller operates without the need for an external power source. It provides high accuracy, up to 0.1%, when processing frequency and analog inputs, making it suitable for precise industrial automation applications. Manufacturer Rockwell Automation Brand Allen-Bradley Part Number 1771-LC3B Product Type Microprocessor-Based Loop Controller Display 2-Line Alphanumeric LCD Control Keys 8 Programmable Keys Power Standalone (No External Power Required) Accuracy Up to 0.1% (Frequency & Analog Inputs)
