Built for Long-Running Industrial Control
The 1785-L60B/C is a PLC-5 series controller processor engineered for complex control tasks in large industrial systems. It is widely deployed in critical applications requiring stable operation, extensive I/O processing, and extended service life.
This controller has been extensively deployed across manufacturing and process industries and continues to serve as a replacement or spare unit for active PLC-5 systems.
Technical Specifications
| Item | Specification |
|---|---|
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Model | 1785-L60B/C |
| Product Family | PLC-5 |
| Processor Type | PLC-5/60 Controller |
| Memory Type | User memory with battery backup |
| Chassis Compatibility | PLC-5 chassis |
| Slot Requirement | Single chassis slot |
| I/O Capacity | Supports large PLC-5 I/O configurations |
| Communication Support | PLC-5 compatible networks |
| Programming Software | PLC-5 programming environment |
| Power Source | Supplied via PLC-5 backplane |
| Operating Environment | Industrial control cabinet |
| Typical Application | Central processor for PLC-5 systems |
Typical Industrial Use
Manufacturing Plants
Controls large production lines with multiple I/O racks and coordinated processes.
Material Handling Systems
Manages conveyors, sorters, and large automation networks.
Legacy System Support
Selected when maintaining or extending existing PLC-5 installations.
Role Within a PLC-5 System
As the central processing unit, the 1785-L60B/C executes user programs, manages I/O data exchange, and coordinates communication with other PLCs or remote I/O racks. Compared to entry-level PLC-5 processors, it is designed to handle more complex programs and larger data requirements.
Its proven architecture makes it suitable for continuous-operation environments where minimizing system downtime is essential.
Frequently Asked Questions
Is this controller suitable for new automation projects?
It is mainly used in existing PLC-5 systems rather than new platform designs.
Does it support large I/O counts?
Yes, it is designed for larger PLC-5 configurations.
Is programming software still required?
Yes, PLC-5 compatible programming software is needed for configuration and maintenance.
Can it replace other PLC-5 processors?
Replacement depends on system design; compatibility should be verified before substitution.
PLC Export provides industrial automation components to global customers, supporting all current and established control platforms. The company specializes in reliable procurement, inspection, and export-ready logistics services, helping customers ensure long-term, stable system operation.
Address
Hubin South Road, Siming District, Xiamen, Fujian, China

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