Reliance Electric S-D4006-D 24VDC Digital Logic I/O Module

Overview

Key Features

• 32 Configurable Digital Channels: Flexible setup as digital inputs or outputs to adapt to diverse control layouts.

• 24VDC Logic Compatibility: Operates at 24VDC ±10%, compatible with standard industrial sensors, relays, and contactors.

• Rack-Mount Plug-and-Play: Standard AutoMax rack form factor enables direct replacement without complex wiring.

• Fuse Status & LED Indicators: Front-panel LEDs display fuse health, channel status, and faults for fast troubleshooting.

• Enhanced Circuit Protection: Integrates overcurrent, short-circuit, and reverse polarity protection to prevent device damage.

• Industrial-Grade Durability: IP20 enclosure rating for cabinet installation; operates reliably in wide temperature ranges.

• AutoMax Backplane Communication: Seamless data exchange with system processors and other modules via the backplane bus.

Technical Specifications

• Manufacturer: Reliance Electric (ABB/Baldor)

• Model: S-D4006-D (also written as SD4006D)

• Type: 24VDC Configurable Digital Logic I/O Module

• I/O Channels: 32 points (configurable input/output)

• Rated Voltage: 24VDC ±10%

• Input Current: 10mA per point (typical)

• Output Current: 2A per point (max, resistive load)

• Response Time: <10ms

• Communication: AutoMax backplane bus

• Operating Temperature: 0°C to +55°C

• Storage Temperature: -20°C to +70°C

• Humidity: 5%–95% (non-condensing)

• Enclosure Rating: IP20

• Dimensions (Approx): 250 × 120 × 35mm

• Weight (Approx): 1.0kg

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

Typical Applications

• Factory Automation: Assembly lines, conveyor systems, and material handling equipment for start-stop control and status monitoring.

• Process Control: Monitoring and controlling pumps, valves, fans, and blowers for interlock and sequence control.

• Legacy System Maintenance: Direct replacement for failed I/O modules in existing Reliance AutoMax systems to minimize downtime.

• Building Automation: HVAC systems, lighting, and security alarm interfaces for commercial and industrial facilities.

• Packaging Machinery: Discrete signal control for packaging lines, small machine tools, and standalone equipment.

Compatibility and Availability

• System Compatibility: Fully compatible with Reliance AutoMax PMI racks, processors, SA3000 series power supplies, and drive units.

• Interchangeability: Shares pin definitions, dimensions, and protocols with S-D4006/C variants for drop-in replacement.

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

Advantages

• Cost-Effective Maintenance: Reduces spare parts inventory with flexible 32-point configuration.

• Minimized Downtime: Plug-and-play design simplifies installation and replacement.

• High Reliability: Rugged construction and comprehensive protection ensure long-term stable operation in harsh environments.

• Simplified Maintenance: Intuitive LED indicators enable quick fault diagnosis without specialized tools.