Allen-Bradley 1761-L16BWB MicroLogix 1000 Programmable Controller

The 1761-L16BWB is a compact programmable controller belonging to the MicroLogix 1000 product line. This electronic processor functions as a localized control block designed to modernize hardwired control logic systems within machine control configurations, localized factory automation setups, and designated process loops. Powered by an external 24V DC utility framework, the module maintains direct discrete tracking through integrated digital channels, executing instruction words via internal memory logic blocks.

To enable technical updates, diagnostic tracing, and commissioning loops, the 1761-L16BWB features an RS232 serial communication interface supporting the native DF1 protocol format. This dedicated connection port allows cross-system link setups to Human Machine Interfaces (HMI), Supervisory Control and Data Acquisition (SCADA) packages, and peripheral hardware converters. The controller can also adapt to external multi-node DH485 networks using a separate advanced interface converter or execute adjustments through a physical hand-held setup interface.

Features

• Built-in 16-point integrated I/O configuration optimizing local physical space.
• Integrated communication channel backing native serial point-to-point interface.
• Dual sinking and sourcing wiring options for versatile sensor configuration.
• Internal EEPROM storage framework ensuring reliable parameter preservation without battery dependencies.

Applications

• Machinery manufacturing and localized operational line sequencing.
• Factory floor process automation nodes.
• Water, wastewater treatment, and HVAC equipment control loops.

Ordering Information

Technical Specifications

Installation Guidelines

• Mount the controller securely in a horizontal orientation to ensure proper ventilation and thermal cooling across internal electronic elements.
• Route all low-voltage signal wiring separately from high-voltage electrical lines to eliminate signal crossover or EMI/RFI noise distortion.
• Establish a direct, low-impedance ground connection from the chassis earth terminal to the main system enclosure backplane.
• Ensure power sourcing requirements match the specified 20.4-26.4V DC bounds before energizing input terminal rows.