Allen Bradley 1747-SDN DeviceNet Scanner Module

Product Introduction

The Allen-Bradley 1747-SDN DeviceNet Scanner Module is a high-performance communication module for SLC™ 500 programmable controller systems. It serves as a DeviceNet network scanner, enabling deterministic communication between the SLC 500 CPU and distributed DeviceNet devices, such as I/O modules, sensors, and actuators.

This module provides reliable, high-speed network management over DeviceNet, supporting real-time data exchange for industrial automation applications. Its robust design ensures operation in demanding environments while maintaining precise timing and fault detection capabilities.

The 1747-SDN is widely used in manufacturing, process control, and discrete automation systems, where coordinated device communication and network reliability are critical for system performance.

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Product Specifications

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Applications

• DeviceNet network integration for SLC 500 control systems

• Distributed I/O architectures, enabling communication with multiple intelligent devices

• Process and discrete manufacturing systems requiring reliable, deterministic communication

• Industrial automation cells that demand fast, coordinated network updates

• Diagnostics and maintenance through centralized network monitoring

• Legacy and hybrid systems, combining SLC 500 control with modern DeviceNet networks

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Advantages

• Deterministic DeviceNet communication, ensuring predictable device updates and control cycles

• Wide environmental tolerance, including vibration and shock compliance per IEC standards

• Compact and lightweight design, minimizing installation space requirements

• Supports 125 kbps data rate, suitable for standard DeviceNet networks

• Seamless integration with SLC 500 CPUs, maintaining system compatibility

• Reliable industrial-grade construction, providing stable operation in demanding environments

FAQ

1. What is the primary function of the 1747-SDN module?
   It acts as a DeviceNet network scanner, managing communication between the SLC 500 CPU and connected DeviceNet devices.

2. Which communication protocol does this module support?
   DeviceNet, enabling deterministic and high-speed data exchange with networked devices.

3. What is the supported data rate?
   The module supports a standard 125 kbps DeviceNet network.

4. What are the environmental operating limits?
   Operating temperature: 0 to 55 °C; storage temperature: -40 to 85 °C; vibration: 5 g; shock: 30 g peak.

5. How does the module affect controller performance?
   It offloads network communication tasks, allowing the CPU to focus on executing control logic.

6. Can this module be used for distributed I/O systems?
   Yes, it supports multiple DeviceNet devices across a networked automation system.

7. Does the scanner module require special configuration?
   Basic network settings, such as node address and device scheduling, must be configured for proper operation.

8. What happens if a DeviceNet device fails?
   The module detects communication faults and reports them to the CPU for diagnostics.

9. Is the 1747-SDN compatible with other Allen-Bradley DeviceNet devices?
   Yes, it is fully compatible with standard DeviceNet-compliant Allen-Bradley devices.

10. Can the module operate in high-vibration environments?
    Yes, it meets IEC 68-2-6 vibration standards and can withstand industrial shock and vibration conditions.

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