ProductPRODUCT
Featured products
Contact Us
- Allen Bradley
- 1756-L72K
- ControlLogix ControlNet Communication Module
- USA
- 127 × 178 × 102 mm
- 0.56kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
- 42
Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |
Technical Profile Report – 1756-L72K Controller Module
1. Product Overview
The 1756-L72K is a mid-performance programmable automation controller (PAC) designed for industrial control systems requiring stable processing, modular scalability, and reliable communication. It belongs to the ControlLogix 5570 automation platform, which is widely used in manufacturing, process control, and infrastructure automation.
The suffix “K” represents a conformal coated version, which improves resistance against humidity, dust, and corrosive industrial environments, making it suitable for harsher working conditions compared with standard versions.
This controller is typically used in systems that require:
- Medium-scale automation control
- Stable real-time execution
- Flexible network communication
- Industrial-grade environmental durability
2. Product Introduction
The 1756-L72K functions as the central processor in a modular ControlLogix chassis system. It executes user programs, manages I/O updates, and coordinates communication across industrial networks.
Key characteristics include:
- 4 MB user memory capacity
- USB programming interface for direct configuration
- Modular chassis-based architecture
- Support for multiple industrial communication protocols
- Conformal coating protection layer
It is designed for continuous operation in industrial environments where both performance and durability are required.
3. Technical Parameters
Core Specifications Table
| Parameter | Value |
|---|---|
| Controller Type | Programmable Automation Controller (PAC) |
| Platform Series | ControlLogix 5570 |
| Processor Family | Logix 5572 |
| User Memory | 4 MB |
| I/O Memory | 0.98 MB |
| Maximum Digital I/O | 128,000 points |
| Maximum Analog I/O | 4,000 channels |
| Controller Connections | Up to 500 |
| Task Capacity | 32 tasks |
| Programs per Task | 100 programs |
| Programming Interface | USB 2.0 |
| Communication Networks | EtherNet/IP, ControlNet, DeviceNet |
| Motion Axis Support | Up to 100 axes |
| Power Consumption | ~2.5 W |
| Backplane Current (5.1V DC) | 800 mA |
| Backplane Current (1.2V DC) | 5 mA |
| Thermal Dissipation | 8.5 BTU/hr |
| 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 |
| Protection Type | Conformal coating (K version) |
| Scan Execution | Deterministic real-time control |
| Dimensions (H×L×W) | ≈ 127 × 178 × 102 mm |
| Weight | ≈ 0.26 kg – 0.56 kg (varies by configuration) |
4. Product Application Areas
The 1756-L72K is widely used in industrial automation environments requiring reliability, environmental resistance, and flexible system integration.
Industrial Applications
- Oil and gas processing systems
- Petrochemical production facilities
- Power generation control systems
- Manufacturing automation lines
- Conveyor and logistics systems
- Mining and heavy industry automation
Process Control Applications
- Continuous chemical processing
- Batch production systems
- Pump and motor control systems
- Thermal and furnace regulation systems
- Multi-loop industrial control systems
5. Product Advantages
1. Environmental Protection Design
The conformal coating (K version) improves resistance to moisture, dust, and chemical exposure.
2. Stable Processing Performance
Provides reliable deterministic execution for industrial automation tasks.
3. Modular System Flexibility
Works within ControlLogix chassis allowing easy expansion of I/O and communication modules.
4. Strong Communication Capability
Supports multiple industrial networks including EtherNet/IP and DeviceNet.
5. High System Scalability
Capable of handling large distributed control systems with up to 128,000 I/O points.
6. Efficient Programming Access
USB interface allows fast configuration and maintenance.
7. Industrial Reliability
Designed for continuous operation in harsh industrial environments.
6. Brand Positioning
The product belongs to a globally established industrial automation ecosystem known for:
- PLC and PAC control systems
- Industrial communication technologies
- Motion control and drive systems
- Large-scale factory automation solutions
It is widely used in global manufacturing, energy, and process industries.
7. Product Series
Series Name: ControlLogix 5570 Series
The 1756-L72K is part of the ControlLogix 5570 modular controller family.
Series Features
- Rack-based modular architecture
- Hot-swappable modules
- Distributed control capability
- Multi-network communication support
- High reliability in industrial environments
8. Recommended Models – Same Series or Related
A. Same Series / Closely Related Models
| Model | Description | Key Parameters |
|---|---|---|
| 1756-L61 | Entry-level CPU | 2 MB memory, basic systems |
| 1756-L62 | Mid-range controller | 4 MB memory, balanced performance |
| 1756-L72K | Conformal coated CPU | 4 MB memory, harsh environment version |
| 1756-L73 | High-capacity CPU | 8 MB memory, large systems |
| 1756-L71 | Standard L7 controller | 2 MB memory, stable processing |
B. Same Brand – Popular Models
| Model | Type | Key Parameters |
|---|---|---|
| 1756-L72K | ControlLogix CPU | 4 MB memory, conformal coating |
| 1756-L71 | Mid-range CPU | 2 MB memory, USB programming |
| 1756-L73 | High-capacity CPU | 8–16 MB memory, large-scale systems |
| 1756-L81E | Ethernet controller | Multi-core CPU, integrated networking |
| 1756-L85E | Advanced controller | High-speed processing, expanded memory |
9. Summary
The 1756-L72K controller is a ruggedized industrial automation CPU designed for environments requiring both stable performance and enhanced environmental protection. With its 4 MB memory, conformal coating, and modular architecture, it provides a reliable solution for medium-scale automation systems operating in harsh industrial conditions.
It is particularly suitable for applications where durability and system stability are as important as control performance.