Product Details
Product Description
The Allen-Bradley 1785-L80C15 PLC-5/80C processor is a high-capacity controller designed for complex automation systems. It supports extensive I/O, multiple communication protocols, and redundancy features, making it ideal for mission-critical industrial applications.
Technical Specifications
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Manufacturer Allen-Bradley
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Category PLCs
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Product Line PLC-5
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Part Number 1785-L80C15
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Weight 3.00 lbs (1.36 kg)
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Processor Type PLC-5/80C
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Maximum User Memory 100 Kwords
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Memory Modules Supported 1785-ME32, 1785-ME64, 1785-M100
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EEPROM Backup Supported with 1785-ME16, -ME32, -ME64, -M100
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Battery Allen-Bradley 1770-XYC (for battery-backed static RAM)
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Program Scan Time 0.5 ms per Kword (bit logic), 2 ms per Kword (typical)
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Maximum I/O Capacity 3072 points (any mix of input/output)
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Analog I/O Capacity 3072 forcible, 50,176 non-forcible channels
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Maximum I/O Chassis Supported 125 total, 60 via Universal Remote I/O
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I/O Scan Time per Rack ControlNet: 0.5 ms average; Universal Remote I/O: 10 ms at 57.6 kbps, 7 ms at 115.2 kbps, 3 ms at 230.4 kbps
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Hardware Addressing 2-slot, 1-slot, 1/2-slot addressing supported
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Module Location Installed in 1771 chassis (A1B, A2B, A3B, A3B1, A4B), left-most slot
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I/O System Compatibility Bulletin 1771 I/O, 1794 Flex I/O, 1746 I/O, 1791 I/O (supports 8-, 16-, 32-point and intelligent modules)
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Communication Ports Data Highway Plus (DH+), Remote I/O (RIO), Serial, DH (via 1785-KA), two ControlNet ports, RS-232-C/422-A/423-A
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Expansion Control coprocessor expansion port included
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Controller Redundancy Supported
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Protected Memory Not available
Application Scenarios
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Large-scale process automation requiring high I/O density
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Redundant control systems for mission-critical operations
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Integration with legacy Allen-Bradley 1771 I/O systems
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High-speed communication networks using ControlNet and DH+
FAQ
Q: Does the 1785-L80C15 support redundancy? A: Yes, redundancy is supported for critical applications requiring failover protection.
Q: What memory options are available? A: Up to 100 Kwords user memory with optional EEPROM backup modules.
Q: Which communication protocols are supported? A: DH+, RIO, ControlNet, RS-232, and DH (via 1785-KA).
Comparison with Similar Models
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1785-L40C15: Lower memory and reduced I/O capacity.
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1785-L60C15: Mid-range option with moderate I/O support.
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1785-L80C15: Highest capacity in the PLC-5 ControlNet series, designed for large-scale automation.
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
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.
Evolving SCADA System Architectures in Industrial Automation
A robust Supervisory Control and Data Acquisition (SCADA) system serves as the heartbeat of modern industrial operations. Understanding SCADA system architecture is vital for engineers designing efficient control systems. These architectures have evolved from isolated, monolithic structures to highly interconnected, networked ecosystems. Choosing the right design requires balancing data visibility, processing power, and long-term scalability requirements.
Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.