Product Introduction
The Allen Bradley 1756-DNB ControlLogix DeviceNet Scanner Module is designed to provide high-performance communication between ControlLogix controllers and DeviceNet field devices. It acts as a master scanner on the DeviceNet network, managing data exchange, device configuration, and real-time control communication.
The module enables seamless integration of sensors, actuators, motor starters, drives, and other DeviceNet-compatible devices into ControlLogix automation systems. With deterministic data handling and robust network management capabilities, the 1756-DNB supports reliable operation in demanding industrial environments.
Product Specifications
| Parameter | Specification |
|---|---|
| Product Type | DeviceNet Scanner Module |
| Manufacturer | Allen Bradley |
| Series | ControlLogix |
| Model / Part Number | 1756-DNB |
| Network Type | DeviceNet |
| Scanner Function | Master scanner and network controller |
| Maximum Number of Nodes | 64 |
| Backplane Current Draw | 400 mA @ 5.1 V DC, 0 mA @ 24 V DC |
| DeviceNet Current Draw | 60 mA @ 24 V DC |
| Power Dissipation | 3.5 W |
| Thermal Dissipation | 11.9 BTU/h |
| Operating Temperature | 0 to 60 °C |
| Maximum Surrounding Air Temperature | 60 °C |
| Storage Temperature | -40 °C |
| Installation Method | ControlLogix chassis |
| System Communication | ControlLogix backplane |
| Dimensions | 144.5 × 34.6 × 130.18 mm |
| Weight | 0.25 kg |
Applications
• DeviceNet Network Control
Acts as the central scanner controlling communication with DeviceNet field devices.
• Industrial Automation Systems
Integrates sensors, actuators, and drives into ControlLogix-based control architectures.
• Manufacturing Production Lines
Used in assembly, packaging, and material handling systems requiring deterministic device communication.
• Process Control Systems
Supports reliable data exchange in process automation environments.
• Machine-Level Control
Enables coordinated control of distributed devices across DeviceNet networks.
• Factory Network Integration
Bridges field-level DeviceNet devices with higher-level ControlLogix controllers.
Advantages
• High Node Capacity
Supports up to 64 DeviceNet nodes on a single network.
• Deterministic Communication
Ensures predictable and reliable data exchange for time-critical applications.
• Seamless ControlLogix Integration
Fully compatible with ControlLogix chassis and backplane architecture.
• Robust Network Management
Provides device configuration, diagnostics, and network status monitoring.
• Industrial Reliability
Designed for continuous operation in harsh industrial environments.
• Efficient Power Usage
Optimized power and thermal performance for control cabinet installations.
Excellent PLC
