140NOM21200 DIO Head-End Adaptor
Modicon Quantum · Dual Redundant Copper · Modbus+ & RS485
Product Description
140NOM21200 is a DIO head-end adaptor for the Modicon Quantum automation platform.
It supports dual redundant copper networks: one Modbus RS232 and two Modbus Plus RS485 channels.
Transmission rate reaches 1 Mbit/s. Handles 30 input and 32 output words.
Built for harsh industrial environments with wide temperature tolerance (0–60 °C operating, -40–85 °C storage).
Certified by UL, CSA, FM Class 1 Div 2, DNV, GL, RINA, RMRS, and GOST.
Technical Specifications
| Brand | Schneider Electric · Modicon Quantum |
| Model / Type | 140NOM21200 · DIO head-end adaptor |
| Ports & Protocol | 1 × Modbus RS232 (copper) · 2 × Modbus Plus RS485 (redundant copper) |
| Transmission Rate | 1 Mbit/s |
| I/O Capacity | 30 input words / 32 output words |
| Power Dissipation | 4 W · Bus current 780 mA |
| Operating Temperature | 0 °C to 60 °C (32–140 °F) |
| Storage Temperature | -40 °C to 85 °C (-40–185 °F) |
| Humidity / Altitude | 95% non-condensing · ≤5000 m (16404 ft) |
| ESD Immunity | 4 kV contact / 8 kV air (IEC 801-2) |
| RF Immunity | 10 V/m (80–2000 MHz) IEC 801-3 |
| Certifications | UL 508 · CSA · FM Class 1 Div 2 · DNV · GL · RINA · RMRS · GOST · C-tick |
Environmental & Immunity
- ESD: 4 kV contact / 8 kV air (IEC 801-2) – robust against electrostatic discharge.
- Radiated RF: 9.1 V/m (10 V/m) from 80 MHz to 2000 MHz (IEC 801-3).
- Temperature range: Operates from 0 °C to 60 °C, storage -40 °C to 85 °C.
- Humidity: 95% non-condensing, suitable for wet industrial zones.
- Altitude: Up to 5000 m without performance derating.
Compatibility & Diagnostics
- Compatible with 140CRA21210 and 140CRA21220 remote I/O drops.
- Integrated RAM checksum and processor address verification for data integrity.
- Built-in diagnostic LEDs for network status and fault detection.
- Supports Modbus Plus and RS232/RS485 with redundant copper paths for high availability.
Installation, Commissioning & Maintenance
- Standard Quantum form factor – snap-in mounting on DIN rail or backplane.
- Easy access to dual redundant ports for quick field wiring.
- Hot-swappable under specific conditions; no complex reconfiguration.
- Diagnostic indicators simplify troubleshooting and reduce downtime.
- Regular firmware integrity checks via RAM and checksum monitoring.
Typical Applications
- Redundant communication for critical process automation (oil & gas, water treatment).
- High-speed data exchange between Quantum PLCs and remote I/O racks.
- Legacy system upgrades requiring dual Modbus Plus networks.
- Marine and offshore control systems (DNV, GL, RINA certified).
- Factory floor networks demanding noise immunity and long-distance links.
Package, Warranty & Shipping
- Package includes: 140NOM21200 adaptor unit (PCE), installation guide (digital).
- Warranty: 12 months against manufacturing defects.
- Shipping: FedEx, UPS, DHL – global express delivery.
- Unit weight: 493 g (17.4 oz) · Dimensions: 4.6 x 16.0 x 31.0 cm.
FAQ – Quick Answers
- Q: Does it work with 140CRA21200? A: Yes, compatible with 140CRA21210 and 140CRA21220.
- Q: What is the max transmission distance? A: Up to 1200 m at 1 Mbit/s for RS485.
- Q: Is it suitable for hazardous areas? A: FM Class 1 Division 2 certified.
- Q: Can I use it with third-party RS485 devices? A: Yes, Modbus RTU/Plus compliant.
- Q: How to verify the unit is working? A: Onboard LEDs and RAM checksum self-test.
Why Buy From Oiltech Controls?
- 15+ years of industrial automation spare parts expertise.
- Global shipment support – fast delivery via DHL, FedEx, UPS.
- All units are tested (industrial surplus / refurbished options available).
- 12-month warranty with technical verification prior to shipment.
- Specialized support for obsolete control systems.
Contact Us
Email: info@oiltechcontrols.com
WhatsApp: +86 158 8020 0923
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Original Source: https://www.oiltechcontrols.com/
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