Brand:Allen Bradley PLC Item No.:Allen Bradley 1785-LT3 Product Origin: USA Product Dimensions:280 × 50 × 160 mm Product Weight:1.39 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Allen Bradley 1785-LT3 PLC-5 Processor Module is built to provide reliable and efficient automation control for industrial environments requiring stable processing performance and dependable communication capability. As part of the trusted PLC-5 controller series, this processor is widely used in manufacturing facilities, process control systems, and infrastructure automation projects where long-term operational reliability is essential.
Designed for demanding industrial applications, the 1785-LT3 supports distributed control architectures and seamless integration with existing PLC-5 systems. Its durable hardware structure and proven performance make it an excellent solution for maintaining legacy automation networks while supporting system expansion and modernization requirements.
Technical Specification Summary
Item
Specification
Manufacturer
Allen Bradley
Model Number
1785-LT3
Product Family
PLC-5
Module Type
PLC Processor Module
Controller Platform
PLC-5 Processor
Communication Interfaces
DH+, Remote I/O, Serial Communication
Supported Protocols
DF1, DH+, Remote I/O
Memory Type
Battery-Backed SRAM
Programming Software
RSLogix 5
Installation Type
Chassis Mount
Power Dissipation
Approx. 12 W
Backplane Current
Approx. 2.3 A
Expansion Support
Compatible with EEPROM Modules
Operating Environment
Industrial Automation Systems
System Architecture
Distributed Industrial Control
Mechanical Information
Physical Property
Details
Overall Dimensions (L × W × H)
Approx. 280 × 50 × 160 mm
Net Weight
Approx. 1.39 kg
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Typical Application Industries
The Allen Bradley 1785-LT3 processor is designed for industrial sectors that require dependable automation control and long operational lifecycle performance.
Typical applications include:
Automotive production systems
Water and wastewater treatment facilities
Material handling and conveyor systems
Oil and gas processing operations
Mining automation equipment
Food and beverage manufacturing
Packaging and labeling machinery
Utility management systems
Chemical processing plants
Factory retrofit and modernization projects
Its compatibility with distributed industrial architectures makes it especially suitable for facilities operating complex automation networks.
Core Product Advantages
Reliable Continuous Operation
The 1785-LT3 is engineered for stable long-term performance in demanding industrial environments where minimizing downtime is critical.
Flexible Communication Capability
Support for DH+, DF1, and Remote I/O protocols allows efficient integration into existing PLC-5 control infrastructures.
Excellent Legacy System Compatibility
The processor helps facilities maintain and expand established PLC-5 automation systems without requiring full platform replacement.
Scalable Automation Architecture
Compatibility with multiple I/O and communication expansion modules provides flexibility for future system growth.
Secure Memory Retention
Battery-backed SRAM protects operational programs and application data during unexpected power interruptions.
Technical FAQs
1. What is the Allen Bradley 1785-LT3 used for?
The 1785-LT3 is an industrial PLC-5 processor module used for factory automation and process control applications.
2. Which communication protocols are supported?
The module supports DH+, DF1 serial communication, and Remote I/O protocols.
3. Is the processor compatible with PLC-5 systems?
Yes. The 1785-LT3 is specifically designed for Allen Bradley PLC-5 automation platforms.
4. What programming software is used with this processor?
RSLogix 5 software is commonly used for programming and configuration.
5. Can the processor support distributed I/O systems?
Yes. The module is compatible with distributed Remote I/O architectures.
6. Does the processor retain memory during power outages?
Yes. Battery-backed SRAM preserves user applications and operational parameters during power loss.
7. What industries commonly use the 1785-LT3?
Industries including manufacturing, mining, utilities, oil & gas, and water treatment frequently deploy PLC-5 processors.
8. Is the module suitable for industrial modernization projects?
Yes. The processor is widely used in retrofit and legacy automation upgrade applications.
9. Can memory capacity be expanded?
Yes. The module supports compatible EEPROM memory expansion units.
10. Why is the 1785-LT3 still widely used in industrial automation?
Its proven reliability, durable industrial design, and compatibility with long-established PLC-5 infrastructures continue to make it highly valuable for mission-critical automation systems.