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
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.
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.