Product Details
Product Overview
The Allen Bradley 1769-L36ERMS functions as a high-performance safety controller within the Compact GuardLogix family. This dual-purpose module executes both standard control and safety-critical functions simultaneously, eliminating the need for separate safety relays in complex machinery. We supply this unit as 100% Brand New and Original, providing a centralized solution for applications requiring high-level safety certifications (SIL 3/PLe) and integrated motion control over EtherNet/IP.
Technical Specifications
The 1769-L36ERMS delivers significant processing power and memory for safety-rated industrial environments:
| Feature | Specification |
| User Memory | 3 MB (Standard); 1.5 MB (Safety) |
| Safety Certifications | SIL 3 / PLe |
| Communication Ports | Dual EtherNet/IP (DLR supported); One USB Port |
| Integrated Motion | Supports up to 16 Axes |
| EtherNet/IP Nodes | 48 Nodes |
| Max I/O Expansion | 30 Modules |
| Controller Tasks | 32 Tasks |
| Network Connections | 256 TCP Connections |
| Non-Volatile Memory | 1 GB SD Card (Shipped with Controller) |
| Energy Storage | Internal (Eliminates Lithium Battery) |
Engineering Advantages
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Unified Control Architecture: The GuardLogix 1769-L36ERMS merges safety and standard logic into a single chassis. This integration reduces panel space requirements and simplifies the synchronization between machine motion and safety zones.
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SIL 3 / PLe Compliance: This controller meets the highest global safety standards (Safety Integrity Level 3 and Performance Level e). It manages emergency stops, light curtains, and safety mats with rigorous deterministic execution.
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High-Axis Motion Synchronization: The module controls up to 16 axes of integrated motion over EtherNet/IP. This allows for precise coordination of servo drives and high-speed pick-and-place robotics directly through the safety logic.
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Efficient Energy Management: An internal energy storage solution protects volatile memory during power loss. This feature removes the maintenance burden of periodic lithium battery replacements, ensuring long-term hardware uptime.
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Device Level Ring (DLR) Topology: Dual Ethernet ports support DLR configurations. This ensures that the network remains operational even if a single cable breaks, providing the resilience necessary for continuous 24/7 manufacturing operations.
FAQs
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Does the 1769-L36ERMS require a separate safety partner module?
No. Unlike older GuardLogix architectures, the 1769-L36ERMS utilizes a single-controller design to achieve SIL 3 safety ratings, which significantly reduces the physical footprint of the PLC system.
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Which power supplies are compatible with this controller?
This controller requires a 1769 series power supply module. You can use the 1769-PA2, 1769-PB2, 1769-PA4, or 1769-PB4 depending on your specific voltage and current requirements.
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What is the purpose of the 1784-SD1 card included with the unit?
The 1784-SD1 card provides 1 GB of non-volatile storage. It automatically backs up the user program and safety configuration, allowing for rapid hardware replacement without needing a computer to reload the logic.
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Is this a factory-sealed unit?
Yes. We guarantee this 1769-L36ERMS is 100% Brand New original hardware. It arrives in factory-sealed Allen Bradley packaging with all original security seals and documentation.
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
Navigating Industrial Automation Failures: Types, Causes, and Mitigation Strategies
Modern manufacturing relies heavily on automated control systems to maximize throughput and maintain product quality. However, unplanned downtime in industrial automation can cost facility operators thousands of dollars per hour. Understanding how programmable logic controllers (PLCs), distributed control systems (DCS), and field instrumentation fail empowers engineering teams to implement robust preventive maintenance strategies.
Essential Motion Control Commands: A Practical Guide for Engineers
Automation engineers often rely on precise position and speed control to drive modern factory machinery. Modern industrial systems, such as Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS), depend heavily on standardized motion instructions. Mastering these commands ensures operational safety, protects mechanical components, and optimizes cycle times across production lines.
The Role of Intrinsic Safety Barriers in PLC and DCS Architectures
Implementing robust protection in hazardous industrial environments represents a fundamental safety requirement in factory automation. Process facilities often handle volatile gases, dusts, and chemical agents that pose significant combustion risks. Consequently, control system engineers must deploy energy-limiting interfaces to isolate safe-area control cabinets from hazardous-area field instrumentation. This article examines the function, selection, and electrical principles of intrinsic safety barriers within modern PLC and DCS networks.