Overview
The Allen Bradley 1756-DNB is a ControlLogix DeviceNet scanner module designed to integrate DeviceNet networks with ControlLogix controllers. It enables efficient communication between controllers and DeviceNet-compatible field devices, supporting reliable data exchange, diagnostics, and network control in industrial automation systems.
General Information
Part Number: 1756-DNB
Manufacturer: Allen Bradley
Brand / Country of Origin: Allen Bradley / United States
Series: ControlLogix
Type: DeviceNet Scanner Module
Mounting: Chassis-mounted within ControlLogix system
Technology: DeviceNet communication, network scanning, and diagnostics
Power Specifications
Supply Voltage: 5.1 V DC (backplane)
Current Consumption: 0.9 A @ 5.1 V DC
Power Consumption: Approximately 4.6 W
Power Source: ControlLogix backplane
Protection Features: Overcurrent and internal electronic protection
Status Indicators: LEDs for module status, network activity, and fault detection
Communication & Interface
Communication Protocol: DeviceNet
Network Port: 5-pin DeviceNet connector
Data Transfer: Cyclic and acyclic messaging support
Network Functions: Device scanning, controller-to-device communication, and I/O data exchange
Diagnostics: Built-in network monitoring, fault detection, and status reporting
Configuration: Software-based setup via ControlLogix programming tools
Environmental
Operating Temperature: 0 to +60 °C
Storage Temperature: -40 to +85 °C
Relative Humidity: 5% to 95%, non-condensing
Protection Rating: Industrial cabinet installation environment
Vibration Resistance: Designed for industrial automation applications
Dimensions & Weight
Dimensions (L × W × H): 144.5 × 34.6 × 130.18 mm
Weight: 0.25 kg
Industrial Connectivity You Can Rely On!