Schneider Electric 140NOM21100 DIO Head-End Adaptor
Bulk Orders & Fast Shipping
Instant 10% Discount On Winter Banks Credit/Debit Cards EMI and CreditCard
Fast & Reliable Worldwide Shipping – Ready to Dispatch from Stock
- Fast shipping
- Return Policy
- Lowest Price
- Help Center 24/7
-
Vendor:
Schneider
-
Type:
Communication Adaptor Module
- Tags Communication adaptor module
About the Product
Schneider Electric Modicon Quantum 140NOM21100 DIO Head-End Adaptor
The Schneider Electric 140NOM21100 is a DIO head-end adaptor designed for Modicon Quantum automation systems. This module provides reliable field I/O communication with dual Modbus interfaces. It simplifies industrial network connections and reduces system wiring complexity in demanding environments.
Core Technical Specifications
- Brand & Model: Schneider Electric 140NOM21100
- Module Type: DIO head-end adaptor for Quantum platform
- Communication Ports: 1 Modbus+RS485 twisted pair + 1 Modbus RS232 twisted pair
- Transmission Speed: 1 Mbit/s maximum data rate
- I/O Capacity: 30 input words / 32 output words
- Power Specifications: 4 W power dissipation, 780 mA bus current requirement
- Environmental Rating: Operates 0 to 60°C (32 to 140°F), 95% humidity non-condensing
Communication & Interface Features
- Modbus+RS485 port supports multi-drop network connections with twisted pair cabling
- Modbus RS232 port provides point-to-point serial communication capability
- 1 Mbit/s transmission speed enables fast data exchange with field devices
- I/O word capacity supports extensive field device integration (30 inputs / 32 outputs)
- Designed for reliable operation in industrial network environments
Environmental & Durability Specifications
- Operating Temperature: 0 to 60°C (32 to 140°F)
- Storage Temperature: -40 to 85°C (-40 to 185°F)
- Altitude Rating: Up to 5,000 meters (16,404 feet)
- ESD Protection: 4 kV contact, 8 kV air discharge (IEC 801-2)
- EMI Resistance: 9.1 V/m at 80-2000 MHz frequency range
- Humidity Tolerance: 95% relative humidity without condensation
Installation & Configuration
- Install in standard Modicon Quantum rack slot following manufacturer guidelines
- Connect Modbus+RS485 port for multi-device network communication
- Use Modbus RS232 port for point-to-point serial device connections
- Configure I/O addressing and communication parameters using Unity Pro software
- Ensure proper grounding and cable shielding for optimal EMI performance
Electrical & Power Management
- 4 W power dissipation ensures efficient energy usage
- 780 mA bus current requirement compatible with Quantum power supplies
- Designed for stable operation in electrically noisy industrial environments
- ESD and EMI protection safeguards against electrical interference
- Reliable performance across wide temperature and humidity ranges
Application Features
- Head-end adaptor for distributed I/O systems in industrial automation
- Simplifies field device integration with dual Modbus interface support
- Suitable for harsh industrial environments with EMI and temperature challenges
- Reduces wiring complexity through centralized communication management
- Ideal for process control, manufacturing, and industrial monitoring applications
Packaging & Shipping
- Includes one (1) new Schneider Electric 140NOM21100 DIO head-end adaptor
- Shipped in protective packaging via FedEx, UPS, or DHL
- ESD protected during transit and handling
- Original manufacturer packaging with technical documentation available
FAQ
- What is a DIO head-end adaptor? Device that interfaces between controller and distributed I/O, managing communication and data exchange
- Modbus+RS485 vs standard RS485? Modbus+ includes protocol-specific enhancements for improved Modbus network performance
- Maximum network devices supported? Depends on network configuration and I/O requirements; consult technical specifications
- Configuration software required? Schneider Electric Unity Pro for setup and parameter configuration
Contact: sales@nex-auto.com | +86 153 9242 9628
Partner: AutoNex Controls Limited
© 2025 NexAuto Technology Limited. Original Source
Quick Quotes & Info
- Quick Quotes: Receive pricing and availability fast from our dedicated customer service team.
- Delivery: Expedited, freight, and international shipping available worldwide.
- Warranty: NexAuto offers a 12-month warranty on all parts purchased from us, in addition to any manufacturer coverage.
- Returns: 30-day return policy for defective or mismatched parts, ensuring peace of mind.
- Payment: Flexible options including major credit cards, PayPal, and bank transfers.
- Custom Calibration: Provide your specifications, and we’ll handle the rest with precision.

Industrial Electrical Solutions
Comprehensive Automation Equipment for Every Facility
PLCs, HMIs, Servo Drives, Sensors, and Cables for reliable operations.
BENTLEY NEVADA
Condition Monitoring Solutions
Proximity probes, sensors, and monitoring systems to protect critical machinery.
ALLEN-BRADLEY
Industrial Automation Components
High-quality PLCs, HMIs, and I/O modules for reliable control systems.
HONEYWELL
Controllers, I/O & Interface Modules
New parts to support DCS platforms and PLC installations.
Blog posts
-
Why Use External Probe Housings for Vibration Monitoring?
This guide details Bently Nevada's 21000 and 24701 proximity probe housing assemblies, essential for accurate...
-
How Do You Install and Start Up a PowerFlex 40 AC Drive?
This practical guide summarizes the essential installation, startup, and programming steps for the Allen-Bradley PowerFlex...
-
What Are the Key Benefits of 7200 Series 5mm & 8mm Proximity Systems?
The Bently Nevada 7200 Proximity Transducer Systems in 5mm and 8mm sizes provide precise, non-contact...

















