Industrial Automation Solution – RELIANCE S-D4006-D | S-D4006 I/O Digital Module
Where This Product Is Used
The RELIANCE S-D4006-D (S-D4006) I/O Digital Module is engineered for demanding industrial environments where precise digital signal management is critical. Typical deployment scenarios include:
- AC/DC Motor Drive Systems – Integrated into Reliance Electric drive control panels for start/stop, speed reference, and fault signal routing.
- Automated Production Lines – Provides discrete I/O interfacing between PLCs and field devices such as sensors, solenoids, and contactors.
- Process Control Cabinets – Used in oil & gas, chemical, and water treatment facilities requiring robust digital I/O expansion.
- Material Handling & Conveyor Systems – Manages position feedback, limit switch inputs, and actuator outputs in high-cycle applications.
- Power Generation & Utilities – Deployed in generator control panels and substation automation for reliable digital signal isolation.
Technical Specifications
- Part Number: S-D4006-D / S-D4006
- Series: S-D4006 Series
- Manufacturer: RELIANCE Electric
- Module Type: I/O Digital Module
- Weight: 1,380 g (approx. 3.04 lb)
- Signal Type: Digital Input / Output
- Mounting: Rack / Backplane Mount (Reliance compatible)
- Operating Environment: Industrial-grade; suitable for panel and cabinet installation
- Condition: New / Refurbished / Tested (specify at inquiry)
Why Engineers Specify This Model
- Drop-in Compatibility – Direct replacement for existing Reliance S-D4006 series installations; no firmware changes required.
- Proven Field Reliability – Widely deployed across North American and Asian manufacturing facilities since original production.
- Reduced Downtime Risk – Hard-to-source legacy module; stocking a spare eliminates extended lead-time exposure during unplanned failures.
- Broad Signal Compatibility – Interfaces with standard 24 VDC and discrete AC field devices without additional signal conditioning.
- OEM-Equivalent Performance – All units sourced and tested to original Reliance Electric specifications.
Complete System Bill of Materials
This module is commonly ordered alongside the following components for a complete Reliance drive control system:
- Reliance Electric S-D4000 Series Rack / Chassis
- Reliance Electric Power Supply Module (S-D4001 or equivalent)
- Reliance Electric Processor / CPU Module
- Reliance Electric Analog I/O Module (S-D4007 or equivalent)
- Field wiring terminal blocks and DIN rail hardware
Contact us to source complete system assemblies or individual replacement modules.
Compliance & Industry Standards
- Designed and manufactured in compliance with applicable UL / CE industrial control equipment standards (original OEM certification).
- Suitable for use in facilities operating under ISO 9001 quality management systems.
- Compatible with installations governed by NFPA 79 (Electrical Standard for Industrial Machinery) and IEC 60204-1.
- RoHS compliance status available upon request for applicable unit batches.
Quality Assurance & Sourcing
- Multi-point inspection prior to shipment: visual, functional, and burn-in testing where applicable.
- Units sourced exclusively from verified industrial surplus channels and authorized distributors — no counterfeit risk.
- Traceability documentation available for OEM-new stock batches.
- Packaged in anti-static ESD-safe materials with foam cushioning for international freight.
How to Source This Part
- Add to Cart – Click the purchase button above to place an order directly.
- Request a Quote – For volume orders (>3 units) or system-level BOM sourcing, email [email protected].
- Expedited Availability – Call or WhatsApp +0086 19859288691 for urgent replacement needs; same-day shipping available for in-stock units.
- International Shipping – We ship worldwide via DHL, FedEx, and UPS with full export documentation (commercial invoice, packing list, COO).
Application-Specific FAQ
Q: Is the S-D4006-D the same as the S-D4006?
A: Yes. S-D4006-D is the full catalog designation; S-D4006 is the abbreviated field reference. Both refer to the same module.
Q: Can this module be used as a direct replacement in an existing Reliance drive panel?
A: Yes, provided the rack and backplane are S-D4000 series compatible. No re-programming of the host system is required for a like-for-like swap.
Q: Do you provide a warranty?
A: All units carry a 90-day functional warranty. Extended warranty options are available — contact us for details.
Q: What is the lead time for out-of-stock units?
A: Typical sourcing lead time is 2–4 weeks. Contact us to join the availability notification list.
Q: Can you supply a full Reliance S-D4000 system?
A: Yes. We specialize in complete legacy system sourcing. Send your full BOM to [email protected] for a consolidated quote.
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