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- Allen Bradley
- 1756-L55M13
- ControlLogix ControlNet Communication Module
- USA
- 20.5 × 15.2 × 7.6 cm
- 1.5kg
- Xiamen, China
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1756-L55M13 Detailed Product Overview
Product Introduction
The 1756-L55M13 is a ControlLogix programmable automation controller (PAC) designed for industrial automation systems that require stable logic execution, modular expansion, and multi-protocol communication capability. It belongs to the ControlLogix 5555 processor family and is widely used in medium-scale and complex industrial control environments.
This controller acts as the central processing unit (CPU) in a ControlLogix chassis, coordinating I/O modules, communication modules, and executing control programs such as ladder logic, structured text, and function block diagrams.
The 1756-L55M13 is commonly deployed in manufacturing systems, process automation, energy facilities, and material handling systems where reliable real-time control is essential.
It is also widely used in legacy industrial systems due to its long lifecycle support and stable operating performance.
Brand Information
| Item | Details |
|---|---|
| Brand | Allen Bradley |
| Product Category | PLC Controller Module |
| Product Type | ControlLogix Processor (CPU) |
| Platform | ControlLogix |
| Installation Method | Chassis Mounted |
| Main Function | Industrial Control & Logic Execution |
| Application Field | Industrial Automation Systems |
| System Role | Central Processing Unit (CPU) |
Product Series Overview
ControlLogix Series
The 1756-L55M13 belongs to the ControlLogix modular automation platform, designed for scalable and distributed industrial control systems.
This platform supports high-performance automation architecture used in both discrete manufacturing and continuous process industries.
Key system capabilities include:
- PLC logic execution (ladder, structured text, function block)
- Modular I/O system integration
- Multi-network communication support
- Deterministic real-time control
- Distributed automation architecture
- System diagnostics and monitoring
- Industrial protocol support
- Legacy system compatibility
ControlLogix systems are widely used in large industrial plants requiring stable 24/7 operation.
Product Features
1. High-Performance CPU Processing
Provides stable and deterministic execution of industrial automation programs.
2. Large Memory Capacity
Supports multi-megabyte memory architecture suitable for complex automation tasks.
3. Multi-Protocol Communication
Supports industrial communication interfaces such as Ethernet/IP, ControlNet, DeviceNet, and RS-232.
4. Modular System Integration
Works with a wide range of ControlLogix I/O and communication modules.
5. Fast Scan Performance
Provides high-speed program execution with low scan cycle time for real-time control.
6. Built-in Diagnostics
Supports system status monitoring, fault detection, and controller diagnostics.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-L55M13 |
| Product Type | ControlLogix Processor Module |
| Series | ControlLogix 5555 |
| CPU Type | PLC / PAC Controller |
| User Memory | 1.5 MB data & logic memory |
| I/O Capacity | Up to 128,000 I/O points |
| Analog I/O Capacity | 4,000 input / 2,000 output |
| Program Scan Time | ~0.08 ms |
| Communication Interfaces | Ethernet/IP, ControlNet, DeviceNet, RS-232 |
| Backplane Current (5V DC) | 1.23 A |
| Backplane Current (24V DC) | 14 mA |
| Power Dissipation | ~13.2 W |
| Thermal Dissipation | ~7.7 BTU/hr |
| Battery Type | 1756-BA1 / 1756-BATM |
| Programming Software | RSLogix 5000 |
| Redundancy Support | Not supported |
| Isolation Voltage | 30 V continuous |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity Range | 5%–95% non-condensing |
| Vibration | 10–500 Hz |
| Shock Resistance | 30 g operational |
| Diagnostics | System fault indicators |
| Dimensions | 20.5 × 15.2 × 7.6 cm |
| Weight kg（ ） | 1.5 kg |
Product Applications
Industrial Process Control
Used in chemical, oil, and gas process automation systems requiring stable real-time control.
Manufacturing Automation
Applied in assembly lines, production machines, and robotic control systems.
Power and Energy Systems
Used for monitoring and controlling generation and distribution processes.
Material Handling Systems
Controls conveyors, sorting systems, and warehouse automation equipment.
Packaging Machinery
Used in automated packaging lines requiring synchronized control logic.
Legacy Industrial Systems
Widely used for maintenance and replacement in existing installed ControlLogix systems.
Product Advantages
Strong Processing Capability
Supports complex industrial automation programs with stable execution performance.
Multi-Network Compatibility
Supports multiple industrial communication protocols for system integration.
High Reliability
Designed for continuous industrial operation in harsh environments.
Modular Flexibility
Easily integrates into ControlLogix chassis-based systems.
Fast Execution Performance
Low scan time ensures responsive real-time control.
Long-Term Maintenance Support
Widely used in legacy systems requiring long lifecycle operation.
Recommended Related Models (Same Series)
| Model | Product Type | Key Feature | System Role | Dimensions | Weight kg（ ） |
|---|---|---|---|---|---|
| 1756-L55 | PLC Controller | Standard ControlLogix CPU | Main controller | 14.5 × 11.2 × 5.6 cm | 0.35 kg |
| 1756-L55M12 | PLC Controller | Variant with memory configuration | CPU | 14.5 × 11.2 × 5.6 cm | 0.36 kg |
| 1756-L61 | PLC Controller | Enhanced processing capability | CPU | 14.5 × 11.2 × 5.6 cm | 0.50 kg |
| 1756-L63 | PLC Controller | Larger memory architecture | CPU | 14.5 × 11.2 × 5.6 cm | 0.55 kg |
| 1756-L71 | PLC Controller | High-performance CPU | Advanced controller | 14.5 × 11.2 × 5.6 cm | 0.60 kg |
Popular Models from Same Brand
| Model | Product Type | Function | Communication | Dimensions | Weight kg（ ） |
|---|---|---|---|---|---|
| 1756-EN2TR | Ethernet Module | Industrial networking | EtherNet/IP | 14.5 × 11.2 × 5.6 cm | 0.50 kg |
| 1756-IF8 | Analog Input Module | Signal acquisition | Backplane | 14.5 × 11.2 × 5.6 cm | 0.42 kg |
| 1756-IV32 | Digital Input Module | High-density inputs | Backplane | 30.0 × 3.8 × 11.1 cm | 1.00 kg |
| 2711P-T10C4D8 | HMI Panel | Operator interface | Ethernet/USB | 27.1 × 21.1 × 6.0 cm | 1.80 kg |
| 25B-D017N104 | VFD Drive | Motor control | EtherNet/IP | 35.0 × 21.6 × 18.0 cm | 4.90 kg |
Installation Notes
Install the controller in a properly grounded ControlLogix chassis with stable ventilation.
Ensure compatible firmware versions across system modules.
Avoid excessive vibration and maintain clean industrial cabinet conditions.
Summary
The 1756-L55M13 is a high-performance ControlLogix PLC processor designed for industrial automation systems requiring reliable control execution, multi-protocol communication, and modular system integration.
It is widely used in manufacturing, process control, and energy systems, as well as legacy installations requiring long-term support and stable operational performance.