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- Allen Bradley
- 1785-L30B
- PLC-5/30 Processor
- USA
- 165 x 51 x 89 mm
- 1.45 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
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- 5
Our advantage
Global Logistics
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-L30B is a PLC-5/30 Processor, designed as a high-performance central processing unit for PLC-5 automation systems. It is ideal for complex industrial control applications, offering increased processing speed, larger memory, and reliable operation compared to lower-end PLC-5 processors. This processor provides deterministic control for applications that require advanced logic, high-speed sequencing, and networked communication.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen Bradley |
| Model | 1785-L30B |
| 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 | 1.45 kg |
| Operating Environment | Industrial automation and process control systems |
Function and Working Principle
The 1785-L30B operates by:
- Executing user-defined control programs stored in memory
- Reading inputs from connected PLC-5 I/O modules
- Generating output signals to control industrial devices
- Managing communication with HMIs, networked PLCs, and peripheral devices
- Providing faster scan times and higher memory capacity than lower-tier processors
It serves as the brain of the PLC-5 system, ensuring reliable and high-speed control for complex automation processes.
Role in Industrial Automation
The processor is essential for:
- Controlling complex manufacturing and process operations
- Coordinating advanced logic, sequencing, and data processing
- Maintaining communication between PLCs, operator interfaces, and networked devices
- Supporting high-reliability systems with fast scan requirements
- Managing larger or more sophisticated automation programs
Industrial Applications
Typical applications include:
- High-speed manufacturing and production lines
- Process control in chemical, oil & gas, and power plants
- Automated material handling and packaging systems
- Networked PLC environments requiring high-speed processing
- Industrial systems with extensive I/O or complex control logic
Installation and System Integration
Installation steps:
- Insert the 1785-L30B processor into a compatible PLC-5 rack
- Connect I/O modules and power supply
- Configure using RSLogix 5 or compatible software
- Verify input/output operation, program execution, and network communication
The processor’s compact and rugged design ensures easy installation and reliable performance in demanding industrial environments.
Compatible System Components
- PLC-5 I/O racks and modules
- Allen Bradley communication modules (e.g., 1785-ENET, 1785-BCM)
- Operator interfaces and HMIs
- RSLogix 5 programming software
- Networked PLC-5 and ControlLogix systems
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| Allen Bradley 1785-L30B | PLC Processor | PLC-5/30 high-performance CPU | Complex industrial automation |
| Allen Bradley 1785-L20B | PLC Processor | PLC-5/20 CPU | Mid-range industrial control |
| Allen Bradley 1785-L40B | PLC Processor | Advanced PLC-5/20 CPU | Large-scale or highly complex industrial systems |
Key Advantages
- High-speed control for complex PLC-5 systems
- Supports advanced logic, sequencing, and data handling
- Enables network communication and integration with industrial HMIs
- Rugged and industrial-grade construction
- Suitable for demanding industrial environments requiring high reliability
Technical FAQs
What distinguishes the 1785-L30B from the 1785-L20B?
The 1785-L30B offers faster processing speed and higher memory capacity for more complex PLC-5 applications.
Which I/O modules is it compatible with?
Compatible with all PLC-5 I/O racks and modules.
Does it support network communication?
Yes, through Allen Bradley communication modules, enabling integration with HMIs and other PLCs.
Where is it typically applied?
Used in complex industrial automation systems, high-speed manufacturing, and critical process control.
Conclusion
The Allen Bradley 1785-L30B PLC-5/30 Processor is a high-performance, reliable CPU for industrial automation systems. Its fast processing, advanced memory, and robust design make it ideal for complex PLC-5 control applications requiring efficiency, precision, and network integration.