Product Details
Product Overview
The Allen Bradley 1734-ACNR functions as a high-performance communication interface for the POINT I/O™ platform. This adapter enables seamless data exchange between a ControlNet network and up to 63 POINT I/O modules. We supply this unit as 100% Brand New and Original, featuring dual BNC connectors to support redundant media topologies. It bridges the gap between your central controller and distributed field devices, ensuring deterministic I/O performance in complex automation architectures.
Technical Specifications
The 1734-ACNR manages power distribution and network traffic within the following parameters:
| Feature | Specification |
| Module Type | ControlNet Adapter (Redundant) |
| Input Voltage | 24V DC Nominal (10–28.8V DC) |
| POINTBus Current | 1000 mA |
| Power Consumption | 8.0 Watts |
| Power Dissipation | 2.8 Watts @ 28.8V DC |
| Inrush Current | 6 Amps for 10 ms |
| Power Requirements | 425 mA |
| Overvoltage Protection | Reverse Polarity Protected |
| Network Interface | Dual (2) ControlNet BNC Ports |
| Weight | 4.44 lbs (2.01 kg) |
Engineering Advantages
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Redundant Media Support: The 1734-ACNR features dual BNC ports. If the primary ControlNet cable sustains damage or signal loss, the adapter instantly switches to the redundant path. This prevents system downtime and maintains continuous process control.
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High-Density Power Management: An integrated power supply provides 1000 mA of POINTBus current. This capacity allows the adapter to power a significant number of I/O modules directly from the backplane, reducing the need for additional 1734-EP24DC expansion power supplies.
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Rugged Electrical Protection: Built-in reverse polarity protection prevents hardware failure during installation errors. The module also handles high inrush currents (up to 6A), ensuring stability during system power-up cycles in large-scale industrial racks.
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Deterministic Networking: ControlNet protocol ensures that time-critical I/O data arrives exactly when the processor expects it. This eliminates network jitter, which is essential for high-speed packaging or assembly lines.
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Tool-Free Installation: The module snaps directly onto a standard DIN rail. Its compact vertical orientation saves significant cabinet space, making it ideal for distributed junction boxes where interior room is limited.
FAQs
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What is the maximum number of I/O modules this adapter can support?
The 1734-ACNR supports up to 63 POINT I/O modules. However, you must calculate the total current draw to ensure it does not exceed the 1000 mA POINTBus limit.
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Does this unit arrive in original factory packaging?
Yes. We guarantee this 1734-ACNR is 100% Brand New and Original. It ships in the manufacturer's sealed box with the unique GTIN (10612598283702) and quality control stamps intact.
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Can I use this adapter in a non-redundant ControlNet setup?
Yes. While the "R" in ACNR stands for Redundant, the module functions perfectly in a single-cable configuration. Simply connect your network to Port A and leave Port B available for future expansion or redundancy.
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What type of power supply should I use for the input voltage?
Use a regulated 24V DC power supply. Ensure the supply can handle the 6A inrush current to prevent voltage drops during the initial power-on sequence.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Marshalling Cabinets in Industrial Control Systems Architecture
Industrial control system deployments rely on structured signal distribution to bridge field instrumentation with central processing hardware. A marshalling cabinet serves as the vital intermediate connection point between heavy field home-run multi-pair cables and delicate input/output (I/O) modules housed inside Programmable Logic Controller (PLC) or Distributed Control System (DCS) enclosures. By segregating field cable terminations from control hardware, engineers maintain system flexibility, safeguard controller components, and streamline commissioning workflows.
FAT vs SAT in Industrial Control Systems: Key Differences and Execution Guide
Industrial control system deployment relies on strict verification protocols to guarantee operational safety, system stability, and regulatory compliance. Commissioning complex Programmable Logic Controller (PLC) racks, Distributed Control Systems (DCS), and Safety Instrumented Systems (SIS) requires two critical milestones: the Factory Acceptance Test (FAT) and the Site Acceptance Test (SAT). Both procedures validate that system automation meets design specifications, but they occur at different stages of project execution and target distinct operational risks.
Hub vs Switch vs Router in Industrial Automation Architecture
Modern factory automation relies on reliable industrial networking infrastructure to exchange real-time field data across operational technology systems. Engineers often encounter networking hardware like hubs, switches, and routers when integrating Programmable Logic Controllers, Distributed Control Systems, and SCADA monitoring nodes. Although these devices share physical ports, they operate at different layers of the Open Systems Interconnection reference model and deliver distinct traffic management capabilities.