Discrete Input Control Solution – Schneider Electric 140DDI36300 | Modicon Quantum Series
Where This Product Is Used
The Schneider Electric 140DDI36300 is a 32-channel 24 VDC discrete input module designed for the Modicon Quantum PLC platform. Paired with the 990NAD23000 junction box, this combination is widely deployed in:
- Oil & Gas Processing Plants – field sensor signal aggregation for wellhead and pipeline monitoring
- Power Generation & Utilities – status monitoring of breakers, isolators, and protection relays
- Water & Wastewater Treatment – pump run/stop feedback, valve position sensing, and level switch inputs
- Automotive Manufacturing – conveyor line presence detection, safety interlock monitoring
- Chemical & Pharmaceutical Plants – SIL-rated process interlocks and emergency shutdown (ESD) input acquisition
- Mining & Minerals Processing – crusher and conveyor status feedback in harsh environments
- Building Automation & HVAC – occupancy, door contact, and equipment status monitoring
Technical Specifications
| Attribute | Value |
|---|---|
| Part Number | 140DDI36300 |
| Accessory Part Number | 990NAD23000 |
| Series | Modicon Quantum |
| Module Type | Discrete Input (DI) |
| Number of Channels | 32 channels |
| Input Voltage | 24 VDC |
| Input Logic | Positive (Source) Logic |
| Isolation | Optical isolation between field and backplane |
| Connector Type | 40-pin connector (via 990NAD23000 junction box) |
| Junction Box | 990NAD23000 – 40-pin screw terminal junction box |
| Backplane Bus | Modicon Quantum I/O backplane |
| Operating Temperature | 0°C to +60°C |
| Relative Humidity | 5% to 95% non-condensing |
| Certifications | CE, UL, cUL, FM Class I Div 2 |
| Form Factor | Single-slot Quantum I/O module |
Why Engineers Specify This Model
- High-density I/O – 32 discrete inputs in a single slot minimizes rack space and wiring complexity in large-scale control panels
- Optical isolation – protects the PLC backplane from field-side voltage transients and ground loops common in industrial environments
- 990NAD23000 junction box – provides a clean, labeled screw-terminal interface, eliminating the need for custom wiring harnesses and reducing commissioning time
- Proven Quantum platform – Modicon Quantum is a globally recognized, long-lifecycle PLC platform with extensive installed base in critical infrastructure
- Hot-swap capable – supports module replacement under power in Quantum redundant configurations, minimizing process downtime
- Wide certification coverage – FM Class I Div 2 rating makes it suitable for hazardous area installations without additional barriers in many configurations
Complete System Bill of Materials
- 140DDI36300 – Modicon Quantum 32-ch 24VDC Discrete Input Module (this item)
- 990NAD23000 – 40-pin Screw Terminal Junction Box (included in this listing)
- 140XBP01600 – Modicon Quantum 16-slot I/O backplane (sold separately)
- 140CPU65160 – Modicon Quantum CPU module (sold separately)
- 140CPS11420 – Modicon Quantum 24VDC power supply module (sold separately)
- 490NAA27103 – Pre-wired cable for 990NAD junction box (sold separately)
Compliance & Industry Standards
- CE Marking – EU Low Voltage Directive & EMC Directive
- UL 508 / cUL – Industrial Control Equipment (North America)
- FM Class I, Division 2, Groups A, B, C, D – Hazardous Locations
- IEC 61131-2 – Programmable Controllers, Equipment Requirements
- RoHS Compliant
Quality Assurance & Sourcing
All units offered through Konmask.com are sourced from verified industrial distributors and authorized supply chains. Each module undergoes:
- Visual inspection for physical damage, label integrity, and connector condition
- Firmware and revision-level verification against Schneider Electric documentation
- Anti-static packaging with humidity indicator cards for safe international transit
- Traceability documentation available upon request for MRO and OEM procurement teams
How to Source This Part
Submit your RFQ directly via our website or contact our B2B sourcing team:
- Email: [email protected]
- Phone/WhatsApp: +0086 19859288691
- Lead Time: Typically 3–7 business days for in-stock units; expedited options available
- MOQ: 1 unit – no minimum order quantity for B2B customers
- Payment: T/T, PayPal, credit card, and trade finance options available
Application-Specific FAQ
Q: Can the 140DDI36300 be used in a Quantum Hot Standby (HSBY) redundant system?
A: Yes. The 140DDI36300 is fully compatible with Modicon Quantum Hot Standby configurations. Both primary and standby CPUs read the same I/O modules simultaneously.
Q: Is the 990NAD23000 junction box required, or can I wire directly to the module?
A: The 140DDI36300 uses a 40-pin connector. The 990NAD23000 junction box converts this to individual screw terminals, which is strongly recommended for field wiring. Direct connector wiring is possible but not practical for most panel builds.
Q: What cable connects the 140DDI36300 to the 990NAD23000?
A: Schneider Electric part number 490NAA27103 (or equivalent length variants) is the pre-wired cable assembly used between the module and the junction box.
Q: Is this module compatible with Unity Pro / EcoStruxure Control Expert?
A: Yes. The 140DDI36300 is fully supported in EcoStruxure Control Expert (formerly Unity Pro) and appears in the hardware catalog under the Modicon Quantum I/O family.
Q: Can you supply a Certificate of Conformance (CoC) or test report?
A: Yes. Traceability and CoC documentation can be provided upon request for qualified B2B buyers. Contact our team with your PO details.
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Contact: [email protected] | +0086 19859288691
