Product Details
Product Overview
The Allen-Bradley 1761-L16AWA functions as a compact, standalone controller within the established MicroLogix 1000 family. It provides a cost-effective solution for small-scale automation tasks requiring high-voltage AC inputs and flexible relay outputs. While the manufacturer classifies this series as discontinued, we supply 100% Brand New and Original factory-sealed units. This ensures your facility maintains legacy hardware without the risks associated with used or refurbished components.
Technical Specifications
| Feature | Specification Details |
| Total I/O Count | 16 Points |
| Input Type | 120V AC (10 Sinking Inputs) |
| Output Type | 6 Relay (Contact) Outputs |
| Power Supply | 120/240V AC (Auto-sensing 47-63 Hz) |
| Memory Architecture | 1K EEPROM (Approx. 737 Instruction Words) |
| Communication | RS-232 Port (DF1 Protocol) |
| Physical Dimensions | 5.24 x 2.87 x 3.15 inches |
| Shock Rating | 10G Operating / 20G Non-operating |
Engineering Advantages
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Integrated Power Supply: The 1761-L16AWA eliminates the need for separate DC power supplies by accepting 120/240V AC line voltage directly. This simplifies panel wiring and reduces the overall footprint in compact control enclosures.
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High-Voltage Signal Directness: The 120V AC input circuitry allows the PLC to interface directly with industrial pushbuttons and limit switches without intermediate interposing relays. This reduces potential points of failure and lowers installation labor.
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EEPROM Data Security: The internal 1K EEPROM stores your ladder logic and data permanently without requiring a battery. This feature eliminates maintenance schedules for battery replacement and protects your program during long-term power outages.
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Rugged Vibration Tolerance: With a 10G operating shock rating, this controller thrives in high-vibration environments such as material handling conveyors and packaging machinery where lesser controllers suffer from mechanical fatigue.
FAQs
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How do I program the 1761-L16AWA if the software is legacy?
You can utilize RSLogix 500 software to configure and program this unit. It connects via the integrated RS-232 port using a standard 1761-CBL-PM02 cable.
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Is this a "New Surplus" unit or a modern reproduction?
This is a 100% Brand New, original Allen-Bradley unit. We source these from authentic stock to ensure the hardware meets the original factory electrical specifications and safety certifications.
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Does this unit support Peer-to-Peer messaging?
Yes. Through the DF1 protocol and the RS-232 port, the 1761-L16AWA communicates with other MicroLogix or SLC 500 controllers, allowing for basic data sharing across your local network.
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What are the primary mounting restrictions?
The unit supports both DIN rail and panel mounting. To ensure proper thermal dissipation, maintain at least 2 inches (50.8 mm) of clearance on all sides, especially when operating at the upper limit of its 7-watt power consumption.
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 Marshalling Cabinets in Industrial Automation and Control Systems
Marshalling cabinets serve as the crucial connection hub between field instruments and centralized processing units. In large DCS and PLC control system architectures, hundreds of multipair field cables run from local junction boxes to the central instrument equipment room. The marshalling cabinet houses field terminal blocks, surge arresters, intrinsic safety isolation barriers, and interposing relays. By segregating field field-wiring terminations from sensitive processor hardware, engineers protect expensive controller backplanes from high-voltage transients. Consequently, this modular separation dramatically streamlines maintenance workflows and simplifies system expansion.
Essential Best Practices for PLC Wiring and Installation in Industrial Automation
Successful control system deployment begins with thoroughly reviewing manufacturer technical documentation. Controllers from major brands like Allen-Bradley, Siemens, and Schneider Electric feature unique terminal layouts. Engineers must verify voltage requirements before connecting power cables to prevent catastrophic equipment damage. Standard line connections require strict adherence to regional electrical codes and proper wire color coding. Furthermore, panel builders should always establish a robust low-impedance ground connection using at least 16-AWG copper conductor tied directly to the main plant grounding grid.
Demystifying Programmable Logic Controllers: Comprehensive Guide to PLC Classification and Selection in Industrial Automation
Modern industrial automation heavily relies on Programmable Logic Controllers (PLCs) to drive factory floor efficiency. Over my 15 years as an industrial automation expert working with DCS, TSI, and control systems, I have seen PLCs evolve into the central nervous system of modern manufacturing. Selecting the right controller requires a deep understanding of PLC types based on physical size, hardware architecture, and power supply configurations.