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
PLC vs. HMI: Distinguishing the Brain from the Interface in Industrial Automation
In the realm of industrial automation, distinguishing between a Programmable Logic Controller (PLC) and a Human-Machine Interface (HMI) is fundamental. While both devices work in tandem, they serve distinct purposes. The PLC acts as the "brain" of the operation, executing logic, whereas the HMI serves as the "eyes," allowing operators to monitor and interact with the system. Understanding this synergy is essential for any professional designing robust factory automation solutions.
Selecting the Right Industrial Automation Solution for Modern Manufacturing
Choosing an effective industrial automation system starts with a thorough process audit. You must identify tasks that are repetitive, labor-intensive, or prone to human error. Not every process requires high-level automation; therefore, prioritize operations that directly impact throughput and quality. By scoping your needs accurately, you avoid over-investing in unnecessary technology. A balanced approach ensures that your capital expenditure aligns with measurable gains in operational efficiency.
Implementing FIFO and LIFO Data Sequencing in PLC Programming
Data management serves as a cornerstone of modern industrial automation. Whether tracking materials on a conveyor or managing batch sequences in a process, engineers frequently rely on sequential logic. Two primary structures—First-In-First-Out (FIFO) and Last-In-First-Out (LIFO)—form the bedrock of this data handling. Mastering these blocks allows programmers to optimize complex machine operations efficiently.