Product Details
Overview:
The 1785-L11B is a PLC-5/11 series processor from Allen-Bradley, designed for mid-range automation tasks. It provides network connectivity via the 1785-ENET module and supports flexible I/O expansion for industrial applications.
Technical Specifications:
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Model: 1785-L11B
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Series: PLC-5
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Processor Type: PLC-5/11 Standard Processor
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User Memory: 8 K words, battery-backed static RAM
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EEPROM Backup: Supported with 1785-ME16, ME32, ME64, ME100
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Protected Memory: No
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Maximum Total I/O: 512 points (any mix) or 384 in + 384 out (complementary)
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Maximum Analog I/O: 512 points
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I/O Scan Time per Rack: 10 ms @ 57.6 kbps, 7 ms @ 115.2 kbps, 3 ms @ 230.4 kbps
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Maximum I/O Chassis Total: 5
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Maximum Extended Local I/O Chassis: 0
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Maximum Universal Remote I/O Chassis: 4
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Communication Ports: 1 RS-232-C / 422-A / 423-A
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Expansion Ports: Control coprocessor expansion port
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Weight: 3.00 lbs (1.36 kg)
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Power Dissipation: 6.2 W
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Input Voltage: Standard PLC-5 chassis supply
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Enclosure: Rack-mounted, open-style (requires chassis)
Compatible Chassis:
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1785-A4 / A4K
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1785-A7 / A7K
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1785-A10 / A10K
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1785-A13 / A13K
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1785-A17 / A17K (Series B)
Application Scenarios:
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Mid-range automation tasks
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Process monitoring and control
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Legacy system integration
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Networked I/O with 1785-ENET
FAQ:
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Q: Can this processor support remote racks?
A: Yes, up to 4 universal remote racks are supported. -
Q: Is the user memory battery-backed?
A: Yes, 8 K words are battery-backed. -
Q: Does it support EEPROM backup?
A: Yes, compatible with 1785-ME16, ME32, ME64, ME100 modules.
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.