1794-ACN15 ControlNet Communication Adapter Allen-Bradley
Manufacturer: Allen-Bradley
Product No.: 1794-ACN15
Condition： In stock
Product Type: Adapter Module
Product Origin: USA
Payment: T/T, Western Union
Weight: 450g
Shipping port: Xiamen
Warranty: 12 months
Estimate delivery times: 12-26 days (International), 3-6 days (United States).
Return within 30 days of purchase. Duties & taxes are non-refundable.
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Network Architecture Overview
The 1794-ACN15 functions as a high-performance ControlNet communication adapter built for the Flex I/O architecture by Allen-Bradley (Rockwell Automation). This 1794 Series module bridges field input and output modules to redundant media ControlNet networks at transmission speeds up to 5 Mbps while converting power for up to 8 adjacent I/O cards.
Technical Specification Matrix
| Manufacturer / Brand | Rockwell Automation / Allen-Bradley |
| Model / Catalog Number | 1794-ACN15 |
| Product Series / Type | Flex I/O Redundant Media ControlNet Adapter Module |
| Communication Protocol & Speed | ControlNet via Belden RG-6/U coaxial cable, 5 Mbps rate |
| Input Voltage Range | 19.2 to 31.2 V DC (Nominal 24 V DC) |
| Backplane Output Current | 640 mA maximum at 5 V DC |
| Power & Thermal Dissipation | 3.4 W max power dissipation; 15.7 BTU/hr max thermal output at 19.2 V DC |
| Operating Temperature | -25 degrees Celsius to +55 degrees Celsius |
Commercial Terms and Logistics
- Factory Warranty: Full 12-month structural and operational integrity coverage
- Fulfillment Schedule: 24 to 48 hour dispatch window from warehouse stock
- Global Courier Partners: Express delivery via FedEx, UPS, and DHL
Target Equipment and Application Scenarios
- Manages distributed control data collection across large-scale continuous process manufacturing plants.
- Interfaces Flex I/O chassis blocks with ControlNet backbone controllers in oil refineries.
- Deploys in hazardous North American Division 2 and European Zone 2 classified plant areas.
- Integrates into material handling conveyor networks requiring deterministic real-time communication.
System Diagnostic and Monitoring Capabilities
- Tri-color status LEDs (Comm A, Comm B, and I/O Status) provide real-time dual-channel network health feedback.
- Inrush current monitoring protects internal circuitry during sudden 23A power surges up to 2 milliseconds.
- Galvanic isolation testing up to 860V AC safeguards system logic from high-voltage transient spikes.
Global PLC Spare HUB's Insight
Instrumentation engineers setting up redundant ControlNet media loops often face intermittent packet drops due to improper coaxial termination or grounding issues. Global PLC Spare HUB recommends utilizing certified Belden RG-6/U cable and securing the module directly to a zinc-plated yellow-chromate steel DIN rail to ensure low-impedance chassis grounding. Pairing the 1794-ACN15 with stable 24V DC power supplies prevents brownouts during high backplane current loads.
Frequently Asked Questions
What is the maximum number of I/O modules that a single adapter can support?
One adapter can control and supply backplane power to a maximum of 8 Flex I/O modules simultaneously.
What coaxial cable specifications are required for the ControlNet port connection?
The network port requires Belden RG-6/U coaxial cable or an equivalent approved high-frequency cable type.
How does the adapter handle power conversion for adjacent modules?
It accepts an external 24V DC input and converts it to 5V DC backplane power, delivering up to 640 mA of output current to the bus.
What are the wiring gauge restrictions for terminal power supply connections?
Single wire connections accept 22 to 12 AWG solid or stranded copper wire, while double wire connections require 22 to 16 AWG wire rated at 75 degrees Celsius or greater.
Does this module carry hazardous location certifications for heavy industrial use?
Yes, it holds North American Class 1 Zone 2 and European Zone 2 hazardous location approvals along with an IP20 protection rating.
Tags
Q: Are these parts 100% original and new?
A: Yes. Every component is guaranteed to be 100% original, brand-new, and factory-sealed. We also provide a 12-month comprehensive warranty for your peace of mind.
Q: How fast is the shipping to my country?
A: For in-stock items, we offer same-day dispatch. International express shipping (DHL/FedEx/UPS) typically delivers within 3–5 business days worldwide.
Q: Can I get a formal quotation with shipping costs?
A: Absolutely. Our sales team is ready to provide a detailed Proforma Invoice (PI) including the most competitive shipping rates for your location.
Q: Do you offer discounts for bulk orders?
A: We provide volume-based pricing for large projects or multiple-item orders. Please contact us to get our Best Price Guarantee.
12-Month Comprehensive Warranty
Every part supplied by Global PLC Spare Hub is covered by a 12-month warranty from the date of invoice.
- Coverage: Functional defects and hardware failures under normal operating conditions.
- Commitment: We provide immediate repair, replacement, or a full refund for any verified defective components to minimize your operational downtime.
Returns & Exchange Policy
We offer a 30-day return policy to ensure you receive the exact part your system requires.
- Eligibility: Returns are accepted for uninstalled items in their original, factory-sealed packaging.
- RMA Process: Please contact our support team to obtain a Return Merchandise Authorization (RMA) number before shipping.
- Fast Processing: Refunds or exchanges are processed within 3–5 business days after the returned item passes our technical inspection.
Need Technical Assistance?Not sure if this part is compatible with your system? [Consult our Engineers] before purchasing to ensure 100% compatibility.
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