Reliance Electric S-D4007-E Network Communication Module
June 08, 2026

Reliance Electric S-D4007-E Network Communication Module

The S-D4007-E is a high-performance network communication module designed and manufactured by Reliance Electric (now part of ABB/Baldor) for the Reliance AutoMax distributed control system. As a key component in the S-D4007 series, it serves as a dedicated interface for high-speed data exchange between the AutoMax main controller and external devices or upper-level networks. Built with a rugged industrial design and advanced communication circuitry, it ensures reliable and stable data transmission in complex industrial environments, making it an essential spare part for maintenance and upgrade of legacy AutoMax systems.

Description

Reliance Electric S-D4007-E Network Communication Module

Overview

The S-D4007-E is a high-performance network communication module designed and manufactured by Reliance Electric (now part of ABB/Baldor) for the Reliance AutoMax distributed control system. As a key component in the S-D4007 series, it serves as a dedicated interface for high-speed data exchange between the AutoMax main controller and external devices or upper-level networks. Built with a rugged industrial design and advanced communication circuitry, it ensures reliable and stable data transmission in complex industrial environments, making it an essential spare part for maintenance and upgrade of legacy AutoMax systems.

Key Features

  • Dedicated Network Communication: Functions as a high-speed network interface module, enabling seamless data exchange between AutoMax controllers and external devices.

  • Standardized Connectors: Equipped with a 25-pin monitor connector and a 9-pin network connector, supporting stable and efficient signal connection.

  • Rack-Mount Design: Adopts the standard AutoMax rack-mounted structure, supporting plug-and-play installation for easy replacement and maintenance.

  • Industrial-Grade Durability: Features a reinforced enclosure with IP20 protection rating, adapting to harsh industrial conditions.

  • Multi-Protocol Support: Compatible with mainstream industrial communication protocols, ensuring flexible integration with different network devices.

  • LED Status Indicators: Front-panel LED indicators display power status, communication activity, and fault alarms for real-time monitoring and quick troubleshooting.

  • Electrical Isolation Protection: Built-in isolation circuits protect against voltage surges and electromagnetic interference, enhancing system stability.

Technical Specifications

  • Manufacturer: Reliance Electric (ABB/Baldor)

  • Model: S-D4007-E (also written as S-D4007E)

  • Type: Network Communication Module

  • Connectors: 25-pin monitor port, 9-pin network port

  • Mounting: Standard AutoMax rack-mount

  • Power Supply: 24VDC (compatible with AutoMax backplane power)

  • Power Consumption: Max 5W

  • Data Transfer Rate: High-speed communication up to 1 Mbps

  • Operating Temperature: 0°C to +55°C

  • Storage Temperature: -20°C to +70°C

  • Humidity: 5%–95% (non-condensing)

  • Enclosure Rating: IP20

  • Dimensions (Approx): 114mm × 203mm × 127mm

  • Weight (Approx): 0.55kg

  • Status: Discontinued by OEM; available as refurbished/used units with 1-year warranty

Typical Applications

The S-D4007-E is widely used in industrial automation scenarios requiring reliable network communication:
  • Legacy System Networking: Provides network connectivity for existing Reliance AutoMax systems, enabling data exchange with upper-level monitoring systems.

  • Factory Automation: Connects AutoMax controllers with remote I/O modules, sensors, and actuators in assembly lines and material handling systems.

  • Process Control: Facilitates communication between control units and field devices in chemical, oil, and gas industries, supporting real-time monitoring and interlock control.

  • System Integration: Bridges legacy AutoMax systems with modern industrial networks, enabling seamless data sharing and system upgrade.

Compatibility and Availability

  • System Compatibility: Fully compatible with Reliance AutoMax PMI racks, main processors, power supply modules, and other S-series I/O modules.

  • Interchangeability: Shares consistent mechanical dimensions, connector definitions, and communication protocols with other S-D4007 series variants.

  • Supply Status: New original units are no longer produced; professionally refurbished modules undergo comprehensive testing and calibration to meet OEM performance standards.

Advantages

  • Reliable Communication: High-speed data transmission and robust anti-interference design ensure stable operation in harsh electromagnetic environments.

  • Easy Integration: Standardized connectors and rack-mount design simplify installation and replacement, reducing maintenance time.

  • Cost-Effective: Ideal for extending the service life of aging AutoMax systems, delivering reliable performance without full system replacement.

  • Comprehensive Protection: Built-in isolation and protection circuits minimize fault risks and enhance system safety.

  • Intuitive Monitoring: LED status indicators enable real-time communication status tracking and rapid fault diagnosis


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