Product Details
Overview
The Allen-Bradley 1766-L32BWA is a MicroLogix 1400 programmable logic controller designed for medium-scale automation applications. It integrates fast and standard digital inputs with multiple relay outputs and flexible communication options, making it ideal for process and machine control.
Technical Specifications
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Manufacturer: Allen-Bradley
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Model Number: 1766-L32BWA
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Product Type: MicroLogix 1400 Programmable Controller
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Controller I/O: 12 fast 24V DC digital inputs, 8 standard 24V DC digital inputs, 12 relay outputs
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Input Signal Type: 120V AC
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Power Supply: 110/240V AC
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Number of I/O Channels: 20 inputs, 12 outputs
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Embedded Analog: None
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Memory: 20 KB
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Interface Ports: Ethernet, isolated RS-232/485, non-isolated RS-232C serial
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Output Signal Type: Relay
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Operating Dimensions (H x D): 90 mm × 87 mm
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Country of Origin: USA
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Communication Protocols: DF1, DH-485, MODBUS RTU, MODBUS TCP/IP, ASCII, DNP3, EtherNet/IP messaging, DNP3 over IP
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Mounting Type: Panel or DIN-Rail compatible
Key Features
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Combines high-speed and standard digital inputs for flexible process control
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Twelve relay outputs allow versatile load management
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Multiple communication protocols for seamless integration in mixed PLC networks
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Dual-voltage AC operation for international compatibility
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Compact, durable design suitable for harsh industrial environments
Application Scenarios
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Control of mid-sized machinery with mixed-speed sensor inputs
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Integration into distributed MicroLogix 1400 networks
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Automation of process lines requiring both high-speed and standard inputs
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Ideal for OEM applications and panel-mounted control systems
FAQ
Q1: How many fast digital inputs does this PLC provide?
A1: The 1766-L32BWA features 12 fast 24V DC inputs.
Q2: What output types are included?
A2: The controller provides 12 relay outputs for controlling loads.
Q3: Which communication interfaces are supported?
A3: Ethernet, isolated RS-232/485, and non-isolated RS-232C serial ports, supporting DF1, DH-485, Modbus RTU, ASCII, DNP3, Modbus TCP/IP, and EtherNet/IP messaging.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Root Causes of Unplanned PLC Stop Mode in Industrial Automation
Modern Programmable Logic Controllers manage execution through distinct operational states: Run, Stop, Start-Up, and Hold. During power-up, a controller initializes memory registers within Stop mode before briefly transitioning to Start-Up mode. During this phase, internal self-diagnostics evaluate system integrity across hardware and user programs. If the controller detects no critical faults, it enters Run mode to execute the control program continuously. However, any severe system anomaly forces the CPU back into Stop mode immediately to prevent erratic machine behavior across the plant floor.
Human-Machine Interface Design: Essential Guide to HMI Selection, Visualization, and Control System Integration
Human-Machine Interfaces (HMIs) serve as the primary operational window into complex industrial automation systems. Modern HMIs convert raw machine data into clear graphical displays, enabling operators to oversee entire manufacturing processes in real time. Instead of relying on physical control panels full of hardwired switches, engineers program interactive screens using intuitive graphics, dynamic color coding, and responsive touch interfaces. Over my 15 years in control systems engineering, I have observed HMIs transform from basic display screens into sophisticated command centers that drive operational efficiency across DCS and PLC environments.
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.