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- Allen Bradley
- 1756-L62/B
- ControlLogix ControlNet Communication Module
- USA
- 14.5 × 11.2 × 5.6 cm
- 0.32kg
- Xiamen, China
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1756-L62/B Detailed Product Overview
Product Introduction
The 1756-L62/B is a ControlLogix programmable automation controller (PAC) designed for industrial automation systems requiring high processing performance, large memory capacity, and multi-network communication capability. It belongs to the ControlLogix 5562 controller family and is widely used in medium to complex industrial control applications.
This controller functions as the central processing unit (CPU) inside a ControlLogix chassis, coordinating I/O modules, communication modules, and executing industrial automation programs such as ladder logic, structured text, and function block diagrams.
The 1756-L62/B is commonly used in manufacturing automation, process control systems, material handling systems, and energy infrastructure where deterministic real-time performance and system stability are essential.
The “/B” revision indicates a hardware revision level, typically reflecting minor internal improvements or manufacturing updates while maintaining functional compatibility.
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-L62/B belongs to the ControlLogix modular automation platform, designed for scalable and distributed industrial control systems.
This platform is widely applied in both discrete manufacturing and process industries where real-time performance and system integration are required.
Key system capabilities include:
- PLC logic execution (ladder, structured text, function block)
- Modular I/O expansion architecture
- Multi-network industrial communication
- Deterministic real-time control processing
- Distributed automation system design
- System diagnostics and monitoring
- Industrial protocol integration
- Long-term system compatibility and lifecycle support
ControlLogix systems are widely used in industrial environments requiring continuous 24/7 operation and high reliability.
Product Features
1. High Memory Capacity
Supports multi-megabyte memory suitable for complex industrial automation applications.
2. Stable Processing Performance
Provides consistent CPU execution performance for real-time control tasks.
3. Multi-Protocol Communication
Supports Ethernet/IP, ControlNet, DeviceNet, and serial communication interfaces.
4. Modular Architecture
Works with a wide range of ControlLogix I/O and communication modules.
5. Deterministic Scan Cycle
Ensures predictable and stable execution timing in automation systems.
6. Built-in Diagnostics
Provides controller status monitoring and fault detection functions.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-L62/B |
| Product Type | ControlLogix Processor Module |
| Series | ControlLogix 5562 |
| Revision | B |
| CPU Type | PLC / PAC Controller |
| User Memory | 4 MB |
| Non-Volatile Memory | CompactFlash supported |
| 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 |
| Backplane Current (5V DC) | 1.2 A |
| Backplane Current (24V DC) | 14 mA |
| Power Dissipation | ~3.5–13 W |
| Thermal Dissipation | ~11.9 BTU/hr |
| Communication Interfaces | Ethernet/IP, ControlNet, DeviceNet, RS-232 |
| RS-232 Protocols | DF1, ASCII, DH-485 |
| Programming Software | RSLogix 5000 |
| Battery Type | 1756-BA1 / 1756-BATM |
| Redundancy Support | Supported (system dependent) |
| 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 Resistance | 10–500 Hz |
| Shock Resistance | 30 g operational |
| Noise Immunity | Industrial EMC protection |
| Mounting Type | Chassis mount |
| Dimensions | 14.5 × 11.2 × 5.6 cm |
| Weight kg（ ） | 0.32 kg |
Product Applications
Industrial Process Control
Used in chemical, oil, gas, and continuous process systems requiring stable automation control.
Manufacturing Automation
Applied in production lines, robotics, and machine control systems.
Energy Systems
Used in power generation and distribution monitoring systems.
Material Handling Systems
Controls conveyors, sorting machines, and logistics automation equipment.
Packaging Machinery
Used in high-speed automated packaging systems.
System Upgrade Projects
Common in retrofit and maintenance of installed ControlLogix systems.
Product Advantages
Stable Industrial Performance
Ensures reliable execution of automation programs under industrial conditions.
Flexible Communication Integration
Supports multiple industrial protocols for system connectivity.
Strong Reliability
Designed for continuous operation in harsh environments.
Modular System Design
Easily integrates into ControlLogix chassis architecture.
Deterministic Control Behavior
Provides predictable scan cycles for automation precision.
Long-Term Maintenance Support
Widely used in legacy systems requiring lifecycle continuity.
Recommended Related Models (Same Series)
| Model | Product Type | Key Feature | System Role | Dimensions | Weight kg（ ） |
|---|---|---|---|---|---|
| 1756-L55 | PLC Controller | Entry ControlLogix CPU | Main controller | 14.5 × 11.2 × 5.6 cm | 0.35 kg |
| 1756-L61 | PLC Controller | Mid-performance CPU | Control processor | 14.5 × 11.2 × 5.6 cm | 0.50 kg |
| 1756-L62 | PLC Controller | Standard high memory CPU | Controller | 14.5 × 11.2 × 5.6 cm | 0.55 kg |
| 1756-L63 | PLC Controller | Higher memory version | Advanced controller | 14.5 × 11.2 × 5.6 cm | 0.55 kg |
| 1756-L71 | PLC Controller | High-speed CPU | Advanced control system | 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 in a properly grounded ControlLogix chassis.
Ensure firmware compatibility across all system modules.
Maintain stable temperature and avoid vibration for long-term reliability.
Summary
The 1756-L62/B is a ControlLogix PLC controller designed for industrial automation systems requiring stable logic execution, multi-network communication, and modular system expansion.
It is widely used in manufacturing, process control, energy systems, and legacy industrial environments where long-term reliability and deterministic performance are essential.