Description
Product Name : 1756-L73 Allen‑Bradley Central control module
Product details:
The Allen-Bradley 1756-L73 is a high-performance ControlLogix 5570 programmable automation controller (PAC) manufactured by Rockwell Automation. Designed for large-scale, demanding industrial automation applications, it provides a scalable and integrated controller solution capable of managing high-speed I/O, motion control, and complex process loops.
Product Specifications (Parameters)
| Parameter | Specification |
| Module Type | ControlLogix 5570 Controller |
| User Memory | 8 MB (for application logic and data) |
| I/O Memory | 0.98 MB |
| Optional Non-volatile Memory | 1 GB (1784-SD1 ships with controller), up to 2 GB (1784-SD2) |
| Built-in Communication Ports | 1 x USB 2.0 (Full speed, type B for programming/configuration) |
| Supported Networks | EtherNet/IP, ControlNet, DeviceNet, Data Highway Plus (DH+), Remote I/O |
| Digital I/O (Max) | 128,000 total |
| Analog I/O (Max) | 4,000 total |
| Controller Tasks | 32 tasks (100 programs per task, event tasks all event triggers) |
| Current Draw @ 5.1V DC | 800 mA |
| Current Draw @ 24V DC | 5 mA |
| Power Dissipation | 2.5 W |
| Chassis Compatibility | 1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A17 |
| Power Supply Compatibility | Standard and Redundant 1756 Power Supplies |
Key Product Advantages
- High Performance & Speed: Equipped with a dual-core CPU, the 1756-L73 delivers significantly faster scan times, quicker data processing, and improved execution of complex logic compared to older L6x generations.
- Energy Storage Module (ESM): Eliminates the need for lithium batteries. It uses a capacitor-based ESM (e.g., 1756-ESMCAP) to provide power to flush memory content to the onboard SD card during a power loss.
- Integrated Motion Control: Seamlessly supports integrated motion over EtherNet/IP, managing complex multi-axis motion profiles with high precision.
- Seamless Integration: Works natively within the Studio 5000 Logix Designer environment, enabling a single programming tool for safety, motion, discrete, and process control.
- Hot-Swappable (RIUP): Supports Removal and Insertion Under Power (RIUP), allowing maintenance personnel to replace modules without shutting down the entire system.
Important Precautions & Guidelines
⚠️ Warning on Electrostatic Discharge (ESD): This equipment is sensitive to electrostatic discharge. Always touch a grounded object to discharge static potential before handling the module.
⚠️ Explosion Hazard: Do not disconnect equipment unless power has been removed or the area is known to be non-hazardous.
- Chassis & Power Placement: Ensure the controller is securely seated into the 1756 chassis slot. Never force the module into the slot to prevent bending backplane pins.
- Firmware Compatibility: Ensure the controller firmware matches the major version of your Studio 5000 Logix Designer software. Flashing the wrong firmware can disrupt system operations.
- ESM Handling: Do not remove the Energy Storage Module while the controller is actively downloading or upgrading firmware, as this may corrupt the non-volatile memory.
- Environmental Limits: Operate within the designated temperature range (0°C to +60°C / 32°F to +140°F) and ensure adequate ventilation within the control enclosure.
Typical Product Applications
The 1756-L73 is highly versatile and widely deployed across various heavy industries:
- Oil & Gas / Petrochemical: Used for managing complex pipeline monitoring, refinery process loops, and emergency shutdown integration.
- Automotive Assembly: Controls high-speed assembly lines, synchronized multi-axis robotics, and real-time conveyor tracking.
- Food & Beverage: Ideal for batch control processing, precise mixing, packaging lines, and high-speed sorting.
- Water & Wastewater Treatment: Coordinates distributed I/O across large geographical areas using EtherNet/IP for pump control, filtration, and chemical dosing.
- Power Generation: Manages auxiliary control systems, turbine monitoring, and balance-of-plant automation.
Advantages: Foxboro, OVATION, TRICONEX, Allen-Bradley, ABB, Motorola, Siemens Moore, Ge Fanuc, Woodward, Bently Nevada and other major import brands!
We have the same series of models in stock. If you don’t find the model you need, please contact us and we will provide you with an official quotation！
Colour：new Warranty: 12 months
Lead Time：3-day working day Country of origin: Sweden
Price: Please contact us Product weight：0.515kg
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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