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- 58.8 × 16.9 × 14.5 cm
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1756-A13 ControlLogix 13-Slot Chassis – Detailed Technical Overview
Product Overview
The 1756-A13 is a ControlLogix 13-slot chassis used in industrial automation systems to provide structural housing, electrical backplane communication, and power distribution for ControlLogix modules.
It serves as the central hardware platform where PLC CPU modules, I/O modules, and communication modules are installed and interconnected.
The chassis enables high-speed internal communication between modules through a shared backplane architecture, ensuring synchronized control and data exchange across the automation system.
It is widely used in medium to large-scale industrial control systems requiring modular expandability and high system reliability.
Brand Information
| Item | Details |
|---|---|
| Brand | ControlLogix platform manufacturer |
| Product Model | 1756-A13 |
| Product Type | PLC Chassis / Rack |
| Product Family | ControlLogix 1756 Series |
| Series | ControlLogix Modular Control System |
| Function | Module housing + backplane communication |
| Installation Type | Panel-mounted chassis |
Product Series Introduction
ControlLogix System Architecture
The ControlLogix system is a modular PLC platform designed for scalable industrial automation.
Its chassis-based structure allows multiple modules to operate within a unified backplane network.
The 1756-A13 provides 13 module slots, enabling flexible system expansion and high-density automation configurations.
Each module installed in the chassis communicates via the high-speed backplane, eliminating external wiring between modules.
Detailed Technical Specifications of 1756-A13
| Parameter | Specification |
|---|---|
| Model | 1756-A13 |
| Product Type | ControlLogix Chassis |
| Number of Slots | 13 slots |
| Backplane Communication | High-speed ControlLogix backplane |
| Mounting Type | Horizontal panel mounting |
| Compatible Modules | All ControlLogix 1756 modules |
| Power Supply Location | Left-side external power module |
| Backplane Voltage Levels | 1.2V / 3.3V / 5.1V / 24V DC |
| Backplane Current @ 1.2V DC | 1.5 A |
| Backplane Current @ 3.3V DC | 4 A |
| Backplane Current @ 5.1V DC | 15 A |
| Backplane Current @ 24V DC | 2.8 A |
| Power Dissipation | ~5.4 W |
| Isolation | Module-dependent |
| Cooling Method | Natural convection |
| Enclosure Type | Open-style chassis |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity Range | 5%–95% non-condensing |
| Vibration Resistance | Industrial-grade (2 g) |
| Shock Resistance | 30 g operating / 50 g non-operating |
| Dimensions | 58.8 × 16.9 × 14.5 cm |
| Weight (kg) | ~1.9 kg |
Product Features
1. 13-Slot High-Density Expansion
Supports up to 13 ControlLogix modules, enabling large and complex automation systems.
2. High-Speed Backplane Communication
Provides deterministic and synchronized communication between all installed modules.
3. Flexible Modular Design
Any module type can be installed in any slot, simplifying system configuration.
4. Industrial-Grade Durability
Designed for continuous operation in harsh industrial environments.
5. Efficient Power Distribution
Distributes multiple voltage levels across modules via internal backplane.
Product Applications
Large Manufacturing Systems
Used in automotive production lines, assembly systems, and automated factories.
Process Control Industries
Applied in chemical plants, oil refining, and continuous processing systems.
Machine Automation Systems
Used in CNC machines, robotics, and packaging machinery.
Infrastructure Automation
Applied in water treatment plants, power distribution systems, and utilities control.
Distributed Control Systems
Used in multi-rack PLC architectures for large industrial facilities.
Product Advantages
| Advantage | Description |
|---|---|
| 13-Slot Capacity | Supports large-scale systems |
| High-Speed Backplane | Fast internal communication |
| Flexible Module Placement | Any-slot architecture |
| Scalable Design | Easy system expansion |
| Industrial Reliability | Stable long-term operation |
| Strong Mechanical Structure | Resistant to vibration |
| Efficient Power Distribution | Multi-voltage support |
| Low Maintenance | Modular replacement capability |
Recommended Models from Same Series or Related Series
| Model | Product Type | Main Function | Application | Dimensions | Weight (kg) |
|---|---|---|---|---|---|
| 1756-A10 | ControlLogix Chassis | 10-slot rack | Medium systems | 50.8 × 76.2 × 20.3 cm | 1.45 kg |
| 1756-A13 | ControlLogix Chassis | 13-slot rack | Large systems | 58.8 × 16.9 × 14.5 cm | 1.9 kg |
| 1756-A17 | ControlLogix Chassis | 17-slot rack | Extended systems | ~75 × 76 × 20 cm | ~2.2 kg |
| 1756-A7 | ControlLogix Chassis | 7-slot rack | Small systems | ~42 × 17 × 14 cm | ~1.2 kg |
| 1756-A4 | ControlLogix Chassis | 4-slot rack | Compact systems | ~33 × 15 × 13 cm | ~0.9 kg |
Recommended Popular Models from Same Brand
| Model | Product Category | Main Features | Application Area | Dimensions | Weight (kg) |
|---|---|---|---|---|---|
| 1756-L71 | CPU Module | High-performance controller | Large automation systems | 20 × 15 × 10 cm | 0.90 kg |
| 1756-L73 | CPU Module | Advanced ControlLogix CPU | Distributed control systems | 20 × 15 × 10 cm | 0.95 kg |
| 1756-EN2TR | Ethernet Module | Dual-port Ethernet/IP | Industrial networking | 14 × 11 × 8 cm | 0.45 kg |
| 1756-IF8 | Analog Input Module | 8-channel input | Process control | 15 × 12 × 5 cm | 0.35 kg |
| 1756-OF8 | Analog Output Module | 8-channel output | Precision control systems | 15 × 12 × 5 cm | 0.36 kg |
System Role in Industrial Automation
The 1756-A13 serves as the structural and electrical backbone of ControlLogix systems.
It enables integration of multiple PLC modules into a unified high-speed control system.
Its modular architecture supports flexible system design and scalable automation expansion.
Installation and Maintenance Characteristics
The chassis is mounted horizontally inside industrial control cabinets.
Modules are inserted directly into slots without internal wiring between them.
Maintenance is simplified through modular replacement, reducing system downtime.
Proper cabinet ventilation is required for thermal stability.
Industrial Reliability
The 1756-A13 is widely used in industrial environments due to its rugged construction and stable backplane communication.
It supports continuous operation in demanding manufacturing and process control applications.
Its reliability makes it a core component in large-scale automation systems worldwide.
Summary
The Allen Bradley 1756-A13 is a 13-slot ControlLogix chassis designed for medium-to-large industrial automation systems.
It provides modular expansion capability, high-speed backplane communication, and robust industrial durability.
Its flexible architecture and stable performance make it a key infrastructure component in modern PLC-based control systems.