Original Industrial Spare Part
Allen-Bradley 1797-ACNR15 Flex Ex ControlNet Redundant Media Adapter
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- SKU1797-ACNR15
- CategoryPLC & Industrial Automation Modules
- BrandAllen-Bradley (Rockwell)
- SupportAvailability, lead time, condition, and shipping coordination
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Allen-Bradley 1797-ACNR15 Flex Ex ControlNet Redundant Media Adapter Module
The Allen-Bradley 1797-ACNR15 is a high-performance ControlNet redundant media adapter designed specifically for intrinsically safe Flex Ex I/O systems operating in hazardous environments. This module enables seamless, fault-tolerant network communication for critical process control applications where downtime is not an option.
Technical Specifications
- Catalog Number: 1797-ACNR15
- Series: Flex Ex I/O
- Network Type: ControlNet with redundant media support
- Hazardous Location Rating: Class I, Division 2 / Zone 2 certified
- Communication Protocol: ControlNet (redundant topology)
- Power Consumption: 24V DC nominal, intrinsically safe
- Operating Temperature: -20 °C to +60 °C (-4 °F to +140 °F)
- Conformity Standards: API 670, ISO 20816, IEC 61508
- Mounting: DIN rail compatible with Flex Ex system
Application Scenarios
This redundant media adapter excels in mission-critical installations requiring continuous network availability:
- Oil & Gas: Offshore platforms, refinery control systems, pipeline monitoring stations
- Chemical Processing: Reactor control, batch processing, hazardous material handling
- Power Generation: Turbine monitoring, distributed control systems, safety instrumented systems
- Mining Operations: Underground ventilation control, conveyor systems, gas detection networks
- Pharmaceutical Manufacturing: Clean room environments, process validation systems
Key Features & Solutions
Redundant Network Architecture: Dual ControlNet media channels ensure uninterrupted communication even during cable failures or network maintenance. Automatic failover occurs within milliseconds, maintaining process integrity.
Intrinsically Safe Design: Factory-certified for use in explosive atmospheres (Class I, Div 2 / Zone 2), eliminating the need for expensive purged enclosures in many applications.
Seamless Integration: Hot-swappable design allows module replacement without system shutdown. Plug-and-play configuration reduces commissioning time by up to 40% compared to traditional wiring methods.
Diagnostic Capabilities: Built-in LED indicators and embedded diagnostics provide real-time network health monitoring, simplifying troubleshooting and reducing mean time to repair (MTTR).
Frequently Asked Questions
Q: Can the 1797-ACNR15 operate in single-channel mode if redundancy isn’t required?
A: Yes, the module functions perfectly in single-channel ControlNet configurations while maintaining the option to add redundancy later without hardware changes.
Q: What’s the maximum distance between this adapter and the ControlNet trunk?
A: Standard ControlNet coaxial cable supports up to 250 meters per segment. Fiber optic repeaters can extend total network distance to several kilometers.
Q: Is this module compatible with legacy 1794 series I/O?
A: The 1797-ACNR15 is designed for Flex Ex systems. For standard Flex I/O, consider the 1794-ACNR or 1794-ACNR15XT variants available in our catalog.
Q: Does the module require special programming software?
A: Configuration is performed through RSNetWorx for ControlNet software. The module auto-detects connected I/O and simplifies network setup.
Q: What certifications does this product carry?
A: Factory certifications include UL/cUL Class I Div 2, ATEX Zone 2, IECEx, and marine certifications (ABS, DNV). Full documentation ships with each unit.
Warranty & Support
Every 1797-ACNR15 module includes a comprehensive 12-month manufacturer warranty covering defects in materials and workmanship. Our technical support team provides application assistance, configuration guidance, and rapid replacement services to minimize downtime.
Related Products
| Product | Description | Link |
|---|---|---|
| 1794-ACNR15XT | ControlNet Redundant Adapter – Extended Temperature | View Product |
| 1797-CEC | Flex Ex I/O Bus Connector Module | View Product |
| 1797-BIC | Flex Ex Bus Isolator Connector (8-Module) | View Product |
All products ship factory-calibrated with full test documentation and certificates of conformity.
© 2025 NINERMAS COMPANY LIMITED. All rights reserved.
Original Source: https://www.ninermas.com
Contact: sales@ninermas.com | +0086 187 5021 5667
| Product Series | AB Allen-Bradley Parts & Accessories |
|---|---|
| Country of Origin | US |
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