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Allen-Bradley

Allen Bradley 1794-ACNR15XT Flex XT ControlNet Adapter

SKU 1794-ACNR15XT

  • Part Number:

    1794-ACNR15XT

  • Manufacturer:

    Allen-Bradley

  • Condition:

    Brand New & in Stock

  • Product Type:

    Flex ControlNet Adapter

  • Origin:

    USA

  • Shipping Detail:

    Fedex and UPS etc

  • Warranty:

    12 months

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Allen‑Bradley 1794‑ACNR15XT Flex XT ControlNet Adapter

Configured for redundant ControlNet communication in FLEX XT distributed I/O assemblies, the Allen‑Bradley 1794‑ACNR15XT (1794‑ACNR15XT adapter module) provides direct physical execution of coaxial network signaling, node addressing, and FlexBus power distribution across ControlNet V1.5 platforms.

Hardware Specifications

Parameter Specification
Model 1794‑ACNR15XT
Brand Allen‑Bradley
Origin USA
Weight 0.2 kg
Dimensions 9.7 cm × 8.9 cm × 7.1 cm (3.8 in × 3.5 in × 2.8 in)
Operating Temp -25 deg C to 70 deg C
Storage Temp -40 deg C to 85 deg C
Power Consumption 3.4 W to 7.3 W
Input Voltage 24 VDC nominal
Voltage Range 19.2 VDC to 31.2 VDC
Current Consumption 400 mA max @ 24 VDC
FlexBus Output 640 mA max @ 5 VDC
Isolation Voltage 50 V continuous (basic insulation)
Protocol ControlNet V1.5
Data Rate 5 Mbps
Network Channels Dual BNC (A/B)
Node Addressing Rotary switches, 01–99
Module Capacity Up to 8 FLEX I/O modules
Enclosure Rating IP20, open‑style
Mounting 35 mm DIN rail or panel mount

Profinet / EtherNet/IP Deterministic Network Considerations

Although the 1794‑ACNR15XT is dedicated to ControlNet, its fixed 5 Mbps scheduled‑media behavior aligns with deterministic timing requirements found in EtherNet/IP and Profinet systems. Dual‑channel redundancy reduces jitter and resynchronization delays during media faults, while FlexBus I/O density scaling ensures predictable update intervals across mixed‑protocol architectures. Firmware flash compatibility within FLEX XT assemblies maintains stable operation under extended temperature conditions.

Frequently Asked Questions

Q: Can the 1794‑ACNR15XT be hot‑swapped in a powered FLEX XT assembly? A: Yes. FLEX XT supports module insertion/removal under power, though ControlNet link states may briefly re‑establish.

Q: Does dual‑channel redundancy require both BNC connectors to be wired? A: Yes. Redundant operation depends on complete Channel A and Channel B connectivity.

Q: Does node addressing require a power cycle? A: Yes. Rotary switch changes take effect only after the module is power‑cycled.

Field Installation Guidelines

  • Maintain correct torque on BNC connectors to preserve 75 ohm impedance.
  • Route coaxial cable away from high‑energy conductors to reduce induced noise.
  • Verify proper seating on the FLEX XT terminal base before energizing.
  • Avoid sharp bends in coaxial cable to maintain signal integrity.
  • Ensure environmental conditions meet XT coating requirements for moisture and corrosion resistance.
Related Tags:
Allen-Bradley ControlLogix Flex ControlNet Adapter
Is our price competitive?
Topbrands collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What payment methods do we accept?
We accept 100% T/T (Telegraphic Transfer) before shipping. For items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. If you have an agent in China, please contact us for RMB transfer.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What shipping methods do we use?
We primarily utilize carriers such as FedEx, DHL, UPS, BRE, etc. If you have an account with any of these carriers, you can arrange the shipping yourself. Additionally, we offer free shipping to China freight forwarders.
What is our delivery time?
Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.
How do we package the goods?
Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.
How can customers contact us and request a quote?
Customers can inquire via email, WhatsApp, WeChat, Skype, or any preferred communication platform. Simply reach out to us, and we'll promptly provide a quote tailored to your needs.
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Topbrands PLC Limited is a top supplier of genuine new PLC and DCS parts, serving over 50 countries globally. We offer high-quality products from renowned brands like Bently Nevada, Honeywell, ABB, and more. With our warehouse in China stocking up to 30,000 pieces, we ensure rapid delivery to meet urgent order needs while maintaining competitive pricing to save our customers' budgets. Learn more...

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