Overview of Allen-Bradley 1766-L32BWA MicroLogix 1400 Controller
The Allen-Bradley 1766-L32BWA is a MicroLogix 1400 programmable logic controller designed for machine-level automation and small process control systems. It offers 32 discrete inputs, consisting of 12 fast 24V DC inputs and 8 standard 24V DC inputs, along with 12 relay outputs. The controller includes multiple communication ports such as an isolated RS232/RS485 combo port, a non-isolated RS232 port, and an Ethernet port, supporting protocols like EtherNet/IP, DF1, Modbus TCP/IP, DNP3, and ASCII.
Key Features of 1766-L32BWA
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Input/Output: 20 digital inputs (12 fast + 8 normal), 12 relay outputs.
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Communication: Combo isolated RS232/RS485 port, non-isolated RS232 port, and Ethernet port (10/100 Mbps) with web server and email capabilities.
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Protocols Supported: EtherNet/IP, Modbus TCP/IP, DF1, DNP3, ASCII.
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Memory: 20 KB user program and data memory.
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Expansion: Supports up to 7 1762 expansion I/O modules.
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Input Power: 100 to 240 VAC, 47-63 Hz.
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Operating Temperature: 0 to 60°C (32 to 140°F).
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Physical Dimensions: 90 mm H x 180 mm W x 87 mm D (3.5 x 7.08 x 3.43 in).
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Mounting: Panel mount or DIN rail.
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Other Features: Built-in real-time clock, battery-backed RAM, and support for online editing.
Technical Specifications
Discrete Inputs: 20 (12 fast 24V DC, 8 normal 24V DC)
Discrete Outputs: 12 relay outputs (Form A, SPST)
Communication: Isolated RS232/RS485 combo port, non-isolated RS232, Ethernet
User Memory: 20 KB
Power Supply: 100-240 VAC, 47-63 Hz
Protocols: EtherNet/IP, Modbus TCP/IP, DF1, DNP3, ASCII
Operating Temperature: 0-60°C
Dimensions: 90 x 180 x 87 mm
Weight: 2 lbs
Applications / Use Cases
The 1766-L32BWA controller is suitable for machine-level automation, process control, and applications requiring multiple communication protocols and versatile I/O configurations. It supports monitoring and control in manufacturing, water treatment, packaging, and material handling systems with robust communications and expansion capabilities.