Product Introduction
The Allen Bradley 1785-LT2 PLC-5/25 Processor is a mid-range programmable logic controller designed for small to medium industrial automation systems. As part / the PLC-5 family, it /fers enhanced processing capability compared to entry-level models, supporting larger I/O counts, analog I/O, and advanced communication options for distributed control systems.
Equipped with 13 K words / SRAM memory, the 1785-LT2 provides sufficient program and data storage for moderately complex automation tasks. The processor can manage up to 1024 total I/O points, including 1024 analog I/O, making it suitable for applications that require both digital and analog control. Its DH+ (Data Highway Plus) channel and Remote I/O channel enable integration with remote racks, operator interfaces, and networked PLC-5 devices.
Designed for installation in standard PLC-5 racks, the processor draws 2.5 A at 5 VDC from the backplane, ensuring energy-efficient operation. The 1785-LT2 is widely used in industrial plants, manufacturing lines, and process control systems where reliable, distributed control is necessary.
Product Specifications
| Parameter | Specification |
|---|---|
| Product Name | PLC Processor Module |
| メーカー | Allen Bradley |
| モデル Number | 1785-LT2 |
| Controller Series | PLC-5 |
| Processor Type | PLC-5/25 Mid-range Processor |
| User Memory | 13 K Word SRAM |
| Maximum Total I/O | 1024 |
| Analog I/O サポート | 1024 points |
| Communication Channels | DH+ / Remote I/O |
| Backplane Current | 2.5 A at 5 VDC |
| Installation Type | Rack-mounted PLC module |
| System Compatibility | PLC-5 digital and analog I/O modules |
| Application | Small to medium industrial automation systems |
| Control Capability | Mid-level PLC-5 processing for distributed control |
| Operating Environment | Industrial automation applications |
| Dimensions | 165 × 51 × 89 mm |
| 重量 | 1.337 kg |
Applications
● Medium-Scale Manufacturing Automation
Manages production lines requiring moderate I/O and analog control.
● Process Control Systems
サポートs process industries like chemical, oil and gas, and energy facilities with mixed digital and analog monitoring.
● Distributed Automation Networks
サポートs DH+ and Remote I/O networks, enabling connection to multiple racks across the plant.
● Machine Control
Controls individual machines or subsystems with both digital and analog I/O requirements.
● Predictive Maintenance Integration
Interfaces with sensors for monitoring system performance and preventive maintenance analysis.
● Industrial Equipment Automation
Manages operation / pumps, motors, conveyors, and other process equipment.
Advantages
● Expanded Memory Capacity
13 K words / SRAM allow larger and more complex control programs compared to entry-level PLC-5 processors.
● Moderate I/O サポート
サポートs up to 1024 total I/O points, including analog signals, making it suitable for mid-range systems.
● Flexible Communication
DH+ and Remote I/O channels allow integration into distributed control networks.
● Reliable Industrial Performance
Designed for continuous operation in industrial environments.
● Energy-Efficient Operation
Draws only 2.5 A at 5 VDC from the backplane.
● Scalable PLC-5 Architecture
Integrates easily with other PLC-5 I/O modules and communication devices for flexible automation solutions.
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