Excellent PLC
Product Introduction
The Allen-Bradley 1756-L55M13 ControlLogix Logix5555 Processor is a reliable and well-established controller designed for mid-range industrial automation applications. As part of the ControlLogix family, it provides stable control performance, flexible system integration, and efficient data processing capabilities.
Equipped with 1.5 MB of user memory and 208 KB of I/O memory, this processor is suitable for handling moderate control tasks, including discrete, analog, and basic process control applications. It features an integrated RS232 communication port, enabling straightforward connection to programming devices, HMIs, and other serial communication equipment.
The 1756-L55M13 is designed for systems that require dependable operation and proven architecture. It integrates seamlessly into ControlLogix chassis systems and supports a wide range of I/O modules, making it a practical choice for legacy system upgrades and stable production environments.
Product Specifications
| Parameter | Description |
|---|---|
| Model | 1756-L55M13 |
| Brand | Allen-Bradley |
| Product Type | ControlLogix Logix5555 Processor |
| User Memory | 1.5 MB |
| I/O Memory | 208 KB |
| Communication Port | 1 × RS232 |
| Backplane Current (5.1 VDC) | 14 mA |
| External Power Supply | 24 VDC |
| Controller Platform | Logix5555 |
| Programming Support | RSLogix / Studio 5000 environment |
| System Integration | ControlLogix chassis |
| Operating Temperature | 0 to 60°C |
| Dimensions | 145.2 × 34.6 × 139.6 mm |
| Weight | 0.36 kg |
Applications
● Medium-scale industrial automation systems
Used for controlling production lines, machinery, and process operations with moderate complexity.
● Legacy ControlLogix system upgrades
Ideal for maintaining or upgrading existing Logix5555-based control architectures.
● Discrete and sequential control systems
Suitable for applications requiring reliable logic execution and deterministic control behavior.
● Machine automation and equipment control
Provides stable control for standalone machines and integrated equipment systems.
● Process monitoring and control
Handles analog and digital signals for basic process regulation and monitoring tasks.
Advantages
● Proven and stable platform
Based on the Logix5555 architecture, offering reliable and well-tested control performance.
● Balanced memory capacity
1.5 MB user memory supports moderate application programs with efficient execution.
● Integrated serial communication
Built-in RS232 port enables direct communication with programming tools and external devices.
● Flexible system integration
Compatible with a wide range of ControlLogix I/O modules for scalable system design.
● Efficient control performance
Designed to handle both discrete and analog control tasks with consistent execution speed.
● Ideal for legacy systems
A practical choice for maintaining or expanding existing ControlLogix installations.
