1756-DNB/A

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Overview of Allen-Bradley 1756-DNB-A

The Allen-Bradley 1756-DNB-A is a DeviceNet communication module designed for use with ControlLogix automation systems. It enables the ControlLogix controllers to communicate with DeviceNet networks, allowing integration and data exchange with a wide range of devices such as sensors, actuators, and other industrial equipment. The module supports communication rates up to 500 Kbps and provides diagnostic feedback for network health.

Key Features

  • Supports DeviceNet communication at 125 Kbps, 250 Kbps, and 500 Kbps
  • Maximum number of DeviceNet nodes supported: 64
  • Backplane current draw: 850 mA at 5.1 V DC, 3 mA at 24 V DC
  • Isolation voltage: 30 V continuous, basic insulation type between DeviceNet network and backplane
  • Open-style module designed for installation in ControlLogix chassis slots
  • USB port for temporary local programming only (not for permanent use in hazardous locations)
  • Compatible with ControlLogix chassis types 1756-A4, A7, A10, A13, and A17
  • Operating temperature range: 0 °C to 60 °C
  • Provides dual DeviceNet ports for network cabling in a daisy-chain or ring topology

Technical Specifications

Model 1756-DNB-A
Communication Protocol DeviceNet (CIP-based)
Communication Rates 125, 250, 500 Kbps
Max DeviceNet Nodes 64
Backplane Current Draw 850 mA @ 5.1 V DC, 3 mA @ 24 V DC
Isolation Voltage 30 V continuous (DeviceNet network to backplane)
Ports 2 DeviceNet ports (BNC connectors)
USB Port For temporary local programming only
Operating Temperature 0 to 60 °C (32 to 140 °F)
Module Type Open-style, chassis-based
Compatible Chassis 1756-A4, A7, A10, A13, A17
Power Dissipation 3.5 W

Applications

The 1756-DNB-A DeviceNet communication module is ideal for integrating ControlLogix controllers with DeviceNet networks to manage sensors, actuators, and other field devices in distributed industrial control systems. It is widely used in process automation, manufacturing control, and material handling systems requiring reliable network communication.

1756-DNB/A

$0.00

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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