Brand:Allen Bradley PLC Item No.:Allen Bradley 1785-LT Product Origin: USA Product Dimensions:280 × 50 × 160 mm Product Weight:1.35 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-LT PLC-5 Processor Module is engineered to provide stable and efficient automation control for industrial systems requiring dependable processing capability and flexible communication performance. As part of the trusted PLC-5 controller family, this processor remains widely used in facilities where operational continuity and system reliability are critical.
Known for its rugged construction and long operational lifecycle, the 1785-LT is particularly suitable for legacy automation environments, retrofit projects, and large-scale process control systems. Its ability to integrate seamlessly with distributed I/O architectures makes it a practical solution for manufacturers seeking proven industrial automation technology with excellent long-term value.
Product Technical Specifications
Technical Parameter
Details
Manufacturer
Allen Bradley
Model Number
1785-LT
Product Series
PLC-5
Module Type
PLC Processor Module
Processor Family
PLC-5 Controller
Memory Type
Battery-Backed SRAM
Communication Support
DH+, Remote I/O, DF1
Supported Networks
Data Highway Plus (DH+)
Installation Method
Chassis Mount
Programming Software
RSLogix 5
Backplane Current
Approx. 2.3 A
Power Dissipation
Approx. 12 W
Industrial Application
Process & Factory Automation
Expansion Support
EEPROM Memory Modules
Operating Environment
Industrial Grade
Physical Specifications
Mechanical Information
Specification
Overall Dimensions (L × W × H)
Approx. 280 × 50 × 160 mm
Net Weight
Approx. 1.35 kg
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The 1785-LT processor is frequently combined with Allen Bradley communication and I/O modules to create scalable industrial automation systems.
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Industrial Applications
The Allen Bradley 1785-LT processor is designed for industrial environments where stable automation control and long-term reliability are essential.
Common application areas include:
Manufacturing production lines
Water and wastewater treatment systems
Oil and gas facilities
Conveyor and material handling systems
Packaging machinery
Mining automation systems
Utility and energy management applications
Chemical processing plants
Food and beverage production
Factory modernization projects
Its dependable communication architecture and compatibility with PLC-5 infrastructure make it especially useful in facilities operating mixed-generation automation systems.
Key Product Advantages
Reliable Industrial Performance
The 1785-LT delivers stable processor operation for demanding industrial applications where uninterrupted automation control is required.
Flexible System Integration
Support for DH+, Remote I/O, and DF1 communication allows the module to integrate efficiently into existing PLC-5 network environments.
Long Equipment Lifecycle
Allen Bradley PLC-5 controllers are known for exceptional durability and long service life, helping reduce replacement frequency and maintenance costs.
Ideal for Legacy System Maintenance
The processor is an effective solution for maintaining and expanding existing PLC-5 automation systems without complete infrastructure redesign.
Strong Operational Stability
Battery-backed memory retention helps protect application data and control programs during unexpected shutdowns or power interruptions.
Technical FAQs
1. What is the Allen Bradley 1785-LT used for?
The 1785-LT is a PLC-5 processor module designed for industrial automation and process control applications.
2. Which communication protocols does the module support?
The processor supports DH+, DF1, and Remote I/O communication protocols.
3. Is the 1785-LT suitable for legacy automation systems?
Yes. It is commonly used in facilities maintaining or upgrading existing PLC-5 infrastructures.
4. What software is used to configure the processor?
RSLogix 5 software is typically used for programming and configuration.
5. Does the processor support distributed I/O systems?
Yes. The module is compatible with distributed Remote I/O architectures.
6. Can the memory be retained during power failure?
Yes. Battery-backed SRAM preserves user applications and operational data during power interruptions.
7. What industries commonly use the 1785-LT?
Industries including manufacturing, utilities, water treatment, mining, and oil & gas frequently use PLC-5 processors.
8. Is the processor designed for industrial environments?
Yes. The module is built for demanding industrial automation applications requiring reliable long-term performance.
9. Can the module work with additional expansion devices?
Yes. The processor supports various Allen Bradley communication, memory, and I/O expansion modules.
10. Why do many facilities continue using PLC-5 processors?
Their proven reliability, stable performance, and compatibility with existing industrial infrastructure make them valuable for long-term automation operations.