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- Allen Bradley
- 1785-LT2
- PLC-5/25 Processor
- USA
- 165 x 51 x 89 mm
- 1.337 kg
- Xiamen, China
- New & In Stock
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Allen Bradley 1785-LT2 is a PLC-5/25 Processor, designed for small- to mid-scale automation applications. It offers greater processing power and memory than the entry-level PLC-5/15 (1785-LT), making it suitable for moderately complex industrial processes. The LT2 processor provides reliable, deterministic control in compact PLC-5 systems while supporting expanded I/O and logic capabilities.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen Bradley |
| Model | 1785-LT2 |
| Product Type | PLC Processor |
| Function | Central processing unit for PLC-5 systems |
| Compatibility | PLC-5 I/O modules and racks |
| Dimensions | 165 × 51 × 89 mm |
| Weight | 1.337 kg |
| Operating Environment | Industrial automation and process control systems |
Function and Working Principle
The 1785-LT2 operates by:
- Executing PLC programs for small- to mid-scale automation
- Reading input signals from connected PLC-5 I/O modules
- Generating output commands to machinery and industrial processes
- Managing basic network communications with HMIs and other PLCs
- Handling moderate memory programs and more complex logic than the LT processor
It serves as the central controller, providing deterministic and reliable operation for compact industrial systems.
Role in Industrial Automation
The processor is ideal for:
- Controlling small- to medium-sized production lines
- Coordinating multiple I/O modules in compact PLC-5 racks
- Providing deterministic control in moderately complex automation systems
- Cost-effective solution for industrial processes not requiring high-end CPUs
Industrial Applications
Common applications include:
- Small assembly lines or process automation systems
- Packaging, material handling, and logistics equipment
- Water treatment or chemical process control for small to medium plants
- Entry- to mid-level industrial automation where moderate program complexity is needed
Installation and System Integration
Installation steps:
- Insert the 1785-LT2 processor into a compatible PLC-5 rack
- Connect PLC-5 I/O modules and power supply
- Configure using RSLogix 5 or compatible software
- Verify program execution, input/output operation, and basic network communication
The compact and rugged design ensures reliable performance and ease of installation.
Compatible System Components
- PLC-5 I/O racks and modules
- Allen Bradley communication modules (for small networked systems)
- RSLogix 5 programming software
- HMIs and operator interface panels
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| Allen Bradley 1785-LT2 | PLC Processor | PLC-5/25 CPU | Small- to mid-scale automation systems |
| Allen Bradley 1785-LT | PLC Processor | PLC-5/15 CPU | Entry-level control for compact systems |
| Allen Bradley 1785-L20B | PLC Processor | PLC-5/20 CPU | Mid-range automation with moderate I/O |
| Allen Bradley 1785-L30B | PLC Processor | PLC-5/30 CPU | Mid-to-large-scale automation systems |
Key Advantages
- Enhanced processing compared to the entry-level LT processor
- Supports moderate memory programs and more complex logic
- Handles multiple I/O modules efficiently
- Rugged industrial-grade design
- Cost-effective solution for small- to medium-scale automation systems
Technical FAQs
How does the LT2 differ from the LT?
The LT2 offers higher processing speed and memory, supporting larger and more complex programs than the entry-level LT processor.
Which I/O modules is it compatible with?
Compatible with all PLC-5 I/O racks and modules, optimized for small- to mid-size systems.
Does it support network communication?
Yes, basic network communication is supported via Allen Bradley communication modules.
Where is it typically applied?
Used in small- to mid-scale industrial automation systems where deterministic control and moderate program size are required.
Conclusion
The Allen Bradley 1785-LT2 PLC-5/25 Processor is a compact, reliable CPU designed for small- to mid-scale PLC-5 automation systems. It offers enhanced processing and memory compared to the entry-level LT, making it ideal for industrial applications requiring reliable, deterministic control with moderate program complexity.