Product Details
Product Overview
The Allen Bradley 1769-L24ER-QBFC1B acts as a versatile, high-performance controller within the CompactLogix™ 5370 L2 family. This processor integrates motion control, safety, and standard drive capabilities into a single, compact platform. It provides a robust solution for small-to-medium machine applications by combining 750 KB of user memory with extensive embedded I/O. We supply this unit as 100% brand new and original, ensuring your automation system benefits from the latest hardware revision and full manufacturer integrity.
Technical Specifications
The 1769-L24ER-QBFC1B utilizes a sophisticated hardware architecture to manage complex logic and communication tasks:
| Feature | Specification |
| User Memory | 750 KB |
| Nonvolatile Memory | 1784-SD1 (1 GB included) / Supports 1784-SD2 (2 GB) |
| Local Expansion | Supports up to Four (4) 1769 Compact I/O Modules |
| Current Draw | 1 A @ 5V DC / 0.8 A @ 24V DC |
| Power Dissipation | 21 Watts (Maximum) |
| Isolation Voltage | 30V Continuous (Basic Insulation) |
| Ethernet Connection | RJ-45 Dual Ports (Fast Ethernet) |
| Mounting | DIN Rail or Panel Mount |
| Temperature Code | T3C (North America) / T4 (IEC) |
| Module Width | 140 mm (5.51 in.) |
| Weight | 0.9 kg (1.9 lb) |
Engineering Advantages
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Embedded I/O Density: This controller features high-density embedded I/O points, reducing the need for additional expansion modules. This configuration lowers the total system cost and significantly shrinks the control cabinet footprint.
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Dual-Port Ethernet Connectivity: The integrated dual Ethernet ports support Device Level Ring (DLR) topologies. This ensures network resiliency; the system maintains communication even if a single point in the network ring breaks, preventing unplanned downtime.
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Enhanced Memory Reliability: Every unit ships with a 1784-SD1 1 GB Secure Digital card. This nonvolatile storage preserves your program and data tags without requiring a battery, simplifying long-term maintenance.
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Flexible Mounting and Installation: The hardware supports both DIN rail and panel mounting. Use M4 or #8 screws with a torque of 1.1–1.8 N·m to ensure a secure installation in high-vibration environments.
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Robust Signal Integrity: The 30V continuous isolation protects the logic system from field-side noise. The module passes 500V AC testing for 60 seconds, ensuring electrical safety and reliable signal processing in harsh industrial zones.
FAQs
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What type of wiring does the 1769-L24ER-QBFC1B require for power terminals?
Use 22–14 AWG solid copper wire rated at 75 °C (167 °F) or higher. Strip the insulation to 8 mm (0.31 in) and tighten the screws to a torque of 1.0–1.2 N·m (8.9–10.6 lb·in) to ensure a gas-tight, vibration-resistant connection.
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How many expansion modules can I add to this controller?
The 1769-L24ER-QBFC1B supports a maximum of four (4) local 1769 Compact I/O modules within a single I/O bank. This allows for tailored expansion if the embedded I/O does not meet your specific project requirements.
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Is this product a brand new Allen Bradley original?
Absolutely. We guarantee that every 1769-L24ER-QBFC1B unit we ship is 100% brand new in original factory-sealed packaging. We do not provide refurbished or used hardware.
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Does the controller require a separate power supply for the logic?
The unit features an embedded 24V DC isolated power supply. You must provide a stable 24V DC input to the power terminals to energize the controller and the local I/O bank.
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
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