Allen-Bradley 1761-L16BBB Programmable Logic Controller

Description

Allen-Bradley 1761-L16BBB Programmable Logic Controller

Product Dimensions：

The Allen-Bradley 1761-L16BBB is a member of the MicroLogix 1000 family. Known for its compact “brick” style, it is a reliable choice for small-scale industrial automation where space is at a premium and cost-efficiency is key.

Product Description

The 1761-L16BBB is a programmable logic controller (PLC) that integrates a processor, power supply, and I/O in a single unit. It is designed for simple, standalone control applications. This specific model features DC inputs and DC outputs, making it ideal for high-speed switching and environments using 24V DC power.

Product Parameters

Key Advantages

• High Speed: Equipped with high-speed counters (6.6 kHz), making it suitable for basic motion control or pulse counting.

• Compact Design: The small footprint allows it to fit into tight control panels where larger modular PLCs cannot.

• Durability: Built to withstand harsh industrial environments, featuring high vibration and shock resistance.

• Proven Reliability: As a legacy Allen-Bradley product, it has a massive installed base and a reputation for “set it and forget it” longevity.

Important Considerations (Precautions)

• Fixed I/O: This is a “brick” PLC. You cannot add expansion modules to it. If you need more than 16 I/O points in the future, you will have to replace the entire unit.

• DC Polarity: Ensure correct wiring for the DC source outputs to avoid damaging the FET (Field Effect Transistor) components.

• Lifecycle Status: The MicroLogix 1000 series is largely considered end-of-life (EOL) or “Silver Series” by Rockwell Automation. While still available as refurbished or surplus, it is recommended to consider the Micro800 series for new designs.

• Programming Software: It requires RSLogix 500 or RSLogix Micro software for configuration.

Product Applications

The 1761-L16BBB is best suited for simple, repetitive control tasks such as:

1. Packaging Machinery: Small conveyors, labeling machines, and heat sealers.

2. Material Handling: Small-scale sorting systems or elevator control.

3. HVAC Control: Fan and pump sequencing in commercial buildings.

4. Water Treatment: Basic chemical dosing or filtration timing.

5. Lighting Control: Automated building or industrial lighting schedules.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

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