Schneider Electric 140SDI95300S Safety Discrete Input Module – Modicon Quantum Series
Imagine a critical safety interlock on a high-pressure chemical reactor failing to register an emergency stop signal — not because the sensor failed, but because the input module lost its safety-rated integrity. In process industries where SIL 2 or SIL 3 compliance is mandatory, a standard I/O module is simply not an option. The Schneider Electric 140SDI95300S exists precisely to eliminate this risk: a dedicated safety discrete input module engineered to receive, validate, and transmit field-level safety signals with the diagnostic coverage and fault tolerance that life-safety applications demand.
Within the Modicon Quantum platform — Schneider Electric’s flagship high-availability PLC architecture for heavy industry — the 140SDI95300S occupies the safety I/O tier, bridging field devices such as emergency stops, safety light curtains, and pressure switches directly into the Quantum Safety PLC backplane. Widely deployed across oil & gas, power generation, and chemical processing facilities on six continents, this module is a cornerstone of functional safety architectures built to IEC 61508 and IEC 61511 standards.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / SKU | 140SDI95300S |
| Manufacturer | Schneider Electric |
| Product Series | Modicon Quantum Safety |
| Module Type | Safety Discrete Input Module |
| Safety Integrity Level | SIL 2 / SIL 3 capable (IEC 61508) |
| Input Channels | 32 channels (16 safety pairs) |
| Input Voltage | 24 V DC |
| Backplane Interface | Modicon Quantum rack (140 series) |
| Diagnostic Coverage | High (DC > 99%) |
| Operating Temperature | 0 °C to +60 °C |
| Weight | 500 g (approx.) |
| Condition Available | New, Surplus New, Refurbished |
Note: Specifications are based on published Schneider Electric documentation. Always verify against the official datasheet for your specific revision.
Key Features & Benefits
- SIL 2 / SIL 3 Rated: Certified to IEC 61508, enabling deployment in the most demanding functional safety loops without additional external safety relays.
- 32-Channel Capacity: High channel density reduces rack space and wiring costs compared to lower-density safety modules.
- Dual-Channel Input Architecture: Supports 1oo2 (one-out-of-two) voting logic for redundant field device wiring, maximizing fault detection.
- Comprehensive Self-Diagnostics: Continuous internal testing detects short circuits, open circuits, and cross-faults without interrupting process operation.
- Seamless Quantum Integration: Plug-and-play compatibility with Modicon Quantum racks and Unity Pro / Control Expert safety programming environments.
- Hot-Swap Capable: Supports module replacement under power in redundant rack configurations, minimizing planned downtime.
Industry & Equipment Applications
- Oil & Gas: Emergency shutdown (ESD) systems, wellhead control panels, pipeline isolation valve interlocks.
- Chemical & Petrochemical: Reactor safety interlocks, pressure relief monitoring, toxic gas detection inputs.
- Power Generation: Turbine protection systems, boiler safety loops, generator trip circuits.
- Water & Wastewater: Pump protection, overflow prevention, high-level safety shutdowns.
- Automotive Manufacturing: Robot cell safety fencing, light curtain interfaces, two-hand control inputs.
- Pharmaceutical: Clean-room access control interlocks, containment safety systems.
System Integration & Compatible Parts
The 140SDI95300S is designed for the Modicon Quantum 140 series rack ecosystem. Typical companion components include:
- 140CPU67160S – Modicon Quantum Safety CPU module
- 140XBP01600 – 16-slot Quantum backplane rack
- 140CPS11420 – Quantum power supply module
- 140SDO95300S – Complementary safety discrete output module
- TSXCUSBMBP – USB programming cable for Unity Pro / Control Expert
For full system architecture guidance, contact the Konmask technical team with your existing rack configuration and safety requirements.
Our Quality Assurance Process
Every 140SDI95300S unit shipped from Konmask.com passes through a structured quality process:
- Physical inspection: housing integrity, connector condition, label legibility, and revision marking verification.
- Part number cross-check against Schneider Electric’s official catalog and revision history.
- ESD-safe handling and anti-static packaging throughout storage and dispatch.
- Climate-controlled warehouse storage to preserve module integrity.
- Certificate of conformance and traceability documentation available upon request.
How to Order
- Click Add to Cart or Buy Now to place a standard order.
- For bulk quantities, OEM pricing, or urgent requirements, email support@konmask.com directly.
- Include your required quantity, delivery destination, and any certification requirements (e.g., CoC, test report).
- Our team responds within 1 business day with availability confirmation and lead time.
Why Choose Konmask.com?
- Industrial Automation Specialists: We focus exclusively on PLC, DCS, and automation hardware — not a generalist marketplace.
- Global B2B Shipping: Experienced in export documentation, customs compliance, and international freight for industrial components.
- Multi-Condition Sourcing: New, surplus-new, and certified-refurbished stock to match your budget and timeline.
- Technical Pre-Sales Support: Our engineers can assist with compatibility checks, system design questions, and replacement validation.
- Secure Transactions: B2B invoicing, purchase order acceptance, and secure payment processing.
Frequently Asked Questions
Q: Is the 140SDI95300S compatible with standard (non-safety) Modicon Quantum racks?
A: The module is designed for use within Modicon Quantum Safety architectures. While it physically fits standard Quantum racks, its safety functions require a compatible Quantum Safety CPU (e.g., 140CPU67160S) to operate correctly. Consult Schneider Electric’s system architecture guide before mixing safety and standard modules.
Q: What is the difference between 140SDI95300S and 140SDI95300?
A: The “S” suffix designates the safety-rated variant certified to IEC 61508. The non-S variant is a standard discrete input module without SIL certification. They are not interchangeable in safety applications.
Q: Can I use this module in a SIL 3 application?
A: SIL 3 achievement depends on the complete safety function architecture, including redundancy configuration, proof test intervals, and the full safety loop design — not the module alone. Consult your functional safety engineer and the Schneider Electric safety manual for the 140SDI95300S.
Q: Do you provide the original Schneider Electric safety manual?
A: We can provide links to publicly available Schneider Electric documentation. For certified copies or official support, contact Schneider Electric directly or your authorized distributor.
Q: What is the typical lead time?
A: In-stock units ship within 1–3 business days internationally. For sourced or refurbished units, lead time is typically 5–15 business days. Contact us for a firm commitment.
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