Excellent PLC
Product Introduction
The Allen Bradley 1756-L1M2 ControlLogix Logix5550 Processor is a high-performance programmable automation controller (PAC) designed for the ControlLogix platform. It serves as the central processing unit (CPU) for complex industrial automation tasks, including real-time control, data acquisition, motion control, and communication with I/O and network modules.
With 1 MB of user memory, the L1M2 processor is capable of handling large and sophisticated control programs, making it suitable for applications ranging from discrete manufacturing to process automation. Its open-style enclosure allows flexible installation in industrial racks, while its electrical design ensures reliability under standard industrial environmental conditions.
The 1756-L1M2 offers robust isolation, precise control over backplane power consumption, and deterministic execution, enabling high-availability industrial control systems with predictable performance. It integrates seamlessly with other ControlLogix modules, supporting a wide range of analog, digital, and specialty I/O devices.
Product Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-L1M2 |
| Manufacturer | Allen Bradley |
| Product Type | Logix5550 Processor |
| System Compatibility | ControlLogix Platform |
| User Memory | 1 MB |
| Enclosure Type | Open-style |
| Isolation Voltage | 30 V continuous |
| Operating Temperature Range | 0 to 60°C (32 to 140 °F) |
| Minimum Operating Current | 2 mA @ 10 VDC |
| Maximum Operating Current | 3.5 mA @ 30 VDC |
| Max Off-State Input Current | 1.5 mA |
| Power Dissipation (Max) | 4.1 W at 60°C |
| Backplane Current @ 5 V | 120 mA |
| Backplane Current @ 24 V | 2 mA |
| Mounting Type | ControlLogix chassis backplane |
| Dimensions | 145.2 x 34.6 x 139.6 mm |
| Weight | 0.37 kg |
Applications
● Serves as the central processing unit for ControlLogix automation systems.
● Executes real-time control logic, including digital, analog, and motion control operations.
● Interfaces with ControlLogix I/O modules, networking modules, and communication devices.
● Used in manufacturing, process automation, and industrial systems requiring high-performance control.
● Supports data acquisition and logging, process optimization, and alarm monitoring.
● Provides a platform for implementing safety, redundancy, and deterministic control strategies.
Advantages
● High-performance Logix5550 processor with 1 MB user memory for complex programs.
● Open-style enclosure allows flexible installation in standard ControlLogix racks.
● Electrical isolation up to 30 V ensures protection of internal electronics.
● Deterministic execution of control logic supports reliable real-time automation.
● Low power dissipation reduces thermal stress and improves system reliability.
● Seamless integration with ControlLogix I/O and communication modules for scalable automation systems.
