Product details
Industrial Communication Adapter for PLC Systems
The Schneider Electric 140NOM21200C is a DIO head-end adapter. It is for the Modicon Quantum series. This module creates strong communication links. It has three fast network ports. The 140NOM21200C is reliable for factory automation.
Technical Details
- Brand & Model: Schneider Electric 140NOM21200C
- Product Type: DIO Head-End Adaptor
- Product Line: Modicon Quantum Series
- Network Ports: 2x RS-485, 1x RS-232
- Data Speed: 1 Mbps maximum rate
- I/O Words: 30 Input / 32 Output capacity
- Power Use: 4 Watts power dissipation
- Bus Current: 780 mA required current
- Temp Range: 0°C to 60°C operation
- Storage Temp: -40°C to 85°C safe
- Humidity: 95% non-condensing max
- Altitude: Up to 5000 meters working
- ESD Protection: 4kV contact, 8kV air
- Coating: Conformal protective layer
- Standards: Meets UL 508 requirements
- Certifications: CSA, FM, DNV, GL approved
- Package Size: 31.5×16.5×5.0 cm box
- Package Weight: 508 grams total
- Warranty: 12 months full coverage
Main Features
- Dual RS-485 ports for network communication
- Single RS-232 port for serial connection
- Fast 1 Mbps data transfer speed
- Handles large I/O data capacity
- Works in wide temperature range
- Operates at high altitude locations
- Strong protection against static electricity
- Special coating resists moisture
- International safety certifications
- Easy DIN rail mounting system
Shipping Information
- One complete adapter module
- Installation guide included
- Mounting accessories provided
- Secure protective packaging
- Fast FedEx, UPS, DHL delivery
- Online tracking available
- 12 month product warranty
Compatible Equipment
- 140CRA21210 remote I/O module
- 140CRA21220 remote I/O module
- All Modicon Quantum PLC systems
- Modbus Plus network devices
- RS-232 serial equipment
Common Questions
What does this adapter do?
It connects Quantum PLCs to remote I/O racks. It manages communication between devices.
How fast is the data transfer?
It supports speeds up to 1 Mbps. This is fast for industrial networks.
Can it handle harsh environments?
Yes. The coating protects against humidity and dust. It works up to 60°C.
What certifications does it have?
It has CSA, FM, DNV, and GL approvals. These are for global industrial use.
How do I set it up?
Mount on DIN rail, connect power and networks. Use compatible Quantum CPUs.
For more information contact:
Email: sales@powergearx.com
Phone/WhatsApp: +86 18030005825
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Partner: Ubest Automation Limited
Partner: PLCDCS HUB Limited












Kevin Lawson –
This 140NOM21200C adapter was purchased for a manufacturing cell modernization project. The unit was brand new and worked perfectly out of the box. It connected our distributed I/O system without any configuration issues. PowerGearX provided professional service and clear documentation support. Shipping was impressively fast, which minimized downtime during the upgrade. The adapter has been running in a high-duty production environment with stable performance. Overall, a smooth transaction and a quality Schneider Electric product.