Product Details
Overview
The Allen-Bradley 1769-L24ER-QB1B is a CompactLogix packaged controller featuring an embedded processor and versatile communication options. Designed for compact automation systems, it supports multi-tasking, structured programming, and high-speed Ethernet connectivity, making it ideal for small-to-medium scale industrial control applications.
Technical Specifications
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Manufacturer: Allen-Bradley
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Product Line: CompactLogix
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Model / Part Number: 1769-L24ER-QB1B
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Product Type: Programmable Automation Controller (PAC)
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Module Type: Processor Module
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Communication:
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Ethernet/IP (2 ports)
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USB (1 port)
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RS232 (1 port)
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Supported Protocols: ASCII, DH485, DF1, Ethernet/IP
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Maximum Axes over Ethernet: 2
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Task Capacity: 32 tasks
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Programs per Task: 100
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Embedded Inputs: 16 × 24 VDC
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Memory: 750 KB RAM
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Non-Volatile Storage:
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1 Gb SD card included (1784-SD1)
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Optional 2 Gb SD card (1784-SD2)
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Programming Languages: Relay Ladder (Safety Task only), Structured Text, Function Block, Sequential Function Chart (SFC)
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Wire Type: Copper, rated 90°C
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Wire Size (Solid): 22–14 AWG
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Wire Size (Stranded): 22–16 AWG
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Mounting: DIN Rail
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Series: A and B
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Replacement Terminal Block: 1769-RTBN18
Key Features
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Compact design with embedded processor for small automation setups
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Multi-tasking capability with up to 32 tasks and 100 programs per task
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Flexible communication via USB, RS232, and dual Ethernet ports
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Supports both safety and standard control tasks
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SD card-based non-volatile memory for program storage and backup
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Standard DIN rail mounting for easy installation
Application Scenarios
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Small-to-medium factory automation systems
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Multi-axis control and embedded input monitoring
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Packaged controllers requiring Ethernet/IP and USB connectivity
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Systems needing flexible programming languages including ladder, structured text, and SFC
FAQs
Q: How many tasks can 1769-L24ER-QB1B run simultaneously?
A: The controller supports up to 32 concurrent tasks.
Q: What communication ports are available?
A: It includes 1 USB port, 2 Ethernet/IP ports, and 1 RS232 port.
Q: What memory options are supported for program storage?
A: Comes with a 1 Gb SD card; optionally, a 2 Gb SD card can be added.
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
Redundant Automation Systems: Ensuring Continuous Uptime in Critical Control Infrastructure
System reliability directly determines operational profitability across high stakes process industries. Modern industrial automation platforms must eliminate single points of failure to prevent catastrophic shutdowns. Deploying fault tolerant architecture safeguards complex facilities against unexpected hardware glitches, network disruptions, and maintenance outages.
Understanding Types of Noise in Electronic Circuits and Control Systems
Signal integrity directly determines measurement accuracy and loop stability across industrial automation environments. Electronic noise introduces unwanted stochastic interference into analog loops, sensor feedback lines, and digital fieldbus networks. Understanding how intrinsic electronic noise and external electromagnetic interference manifest allows control engineers to optimize signal conditioning and shield sensitive instrumentation effectively.
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.