Allen-Bradley 1738-ADN12 DeviceNet Network Adapter – ArmorBlock I/O Series
When a DeviceNet network adapter fails on the plant floor, the consequences are immediate and severe: entire I/O subsystems go offline, PLCs lose visibility into field devices, and production lines halt without warning. Maintenance teams scramble to identify the fault while every idle minute translates directly into lost output and escalating downtime costs. The Allen-Bradley 1738-ADN12 is engineered to eliminate this vulnerability — a purpose-built DeviceNet network adapter that keeps your ArmorBlock I/O nodes reliably connected to the control network, even in the harshest industrial environments.
The 1738-ADN12 occupies a critical position within Rockwell Automation’s ArmorBlock I/O 1738 series — a product family designed for distributed I/O applications where cabinet-free, IP67-rated field installation is essential. As a DeviceNet adapter, the 1738-ADN12 serves as the communication gateway between the DeviceNet scanner (typically residing in a ControlLogix or CompactLogix PLC chassis) and the downstream ArmorBlock I/O modules. Its adoption spans automotive assembly, food & beverage processing, material handling, and machine tool applications worldwide, making it one of the most field-proven DeviceNet adapters in global industrial automation.
Technical Specifications
- Catalog Number: 1738-ADN12
- Series: ArmorBlock I/O (1738 Series)
- Communication Protocol: DeviceNet
- I/O Points: 8 digital inputs / 8 digital outputs (configurable)
- Supply Voltage: 24V DC
- Enclosure Rating: IP67 (dust-tight and water-immersion resistant)
- Operating Temperature: -20°C to +55°C (-4°F to +131°F)
- Mounting: Panel or machine surface mount, M12 connectors
- DeviceNet Data Rate: 125 kbps, 250 kbps, 500 kbps (auto-detect or manual)
- Node Address: Configurable via rotary switches (0–63)
- Weight: Approx. 340 g
- Manufacturer: Rockwell Automation / Allen-Bradley
Note: All specifications are sourced from Rockwell Automation official documentation. Konmask.com does not fabricate or alter manufacturer specifications.
Key Features & Benefits
- IP67 Cabinet-Free Installation: Mount directly on machines or conveyors without an enclosure, reducing panel space and wiring costs significantly.
- Plug-and-Play DeviceNet Integration: Auto-baud rate detection and rotary node address switches simplify commissioning and reduce configuration errors.
- Robust M12 Connectivity: Industry-standard M12 connectors provide vibration-resistant, sealed connections for both power and DeviceNet network cables.
- Modular Expansion: Supports connection of additional 1738-series I/O modules, allowing flexible system expansion without rewiring the network segment.
- Diagnostic LEDs: Onboard network status and module status LEDs enable rapid fault identification without specialized tools.
- Wide Temperature Range: Operates reliably from -20°C to +55°C, suitable for cold storage, outdoor, and high-ambient manufacturing environments.
- Reduced Wiring Complexity: Distributed I/O architecture eliminates long home-run wiring runs, cutting installation time and cable costs.
Industry & Equipment Applications
- Automotive Manufacturing: Body-in-white assembly lines, welding cells, and transfer lines where IP67 protection and DeviceNet integration are standard requirements.
- Food & Beverage Processing: Washdown-compatible distributed I/O for conveyors, filling machines, and packaging lines.
- Material Handling & Logistics: Sorters, palletizers, and automated storage & retrieval systems (AS/RS) using DeviceNet-based control architectures.
- Machine Tool & Assembly: CNC machine peripherals and assembly station I/O where compact, field-mounted adapters reduce panel footprint.
- Intralogistics & Conveyor Systems: High-cycle conveyor networks requiring reliable, low-latency I/O communication over DeviceNet.
System Integration & Compatible Parts
The 1738-ADN12 is designed to integrate seamlessly within Rockwell Automation’s DeviceNet ecosystem. Compatible and commonly paired components include:
- DeviceNet Scanners: 1756-DNB (ControlLogix), 1769-SDN (CompactLogix/MicroLogix)
- ArmorBlock I/O Expansion Modules: 1738-IB8, 1738-OB8, 1738-IE4, 1738-OE2 and other 1738-series modules
- DeviceNet Power Supplies: 1787-DNPS, 1606-series 24VDC power supplies
- Network Accessories: 1485-series DeviceNet cables, T-ports, and terminators
- Programming Software: RSNetWorx for DeviceNet, Studio 5000 Logix Designer
Our Quality Assurance Process
At Konmask.com, every Allen-Bradley 1738-ADN12 unit undergoes a rigorous multi-stage verification process before shipment:
- Source Verification: Units are sourced exclusively from authorized distributors and verified surplus channels with full traceability documentation.
- Visual & Physical Inspection: Each unit is inspected for label integrity, connector condition, housing damage, and counterfeit indicators.
- Functional Testing: Where applicable, units are powered and tested for basic communication and I/O response prior to dispatch.
- Secure Packaging: Anti-static packaging with moisture barrier protection ensures safe transit to your facility.
- Documentation: Shipments include part number verification sheets and, where available, original manufacturer documentation.
How to Order
- Submit an inquiry via the Contact / RFQ form on this page with your required quantity and delivery timeline.
- Our technical sales team will respond within 1 business day with availability confirmation and a formal quotation.
- Upon PO receipt, we process and ship with full tracking information provided.
- For urgent requirements, please indicate “URGENT” in your inquiry subject line for priority handling.
We accept T/T (bank transfer), PayPal, and other B2B payment methods. MOQ: 1 piece.
Why Choose Konmask.com?
- Specialized Industrial Focus: We exclusively handle industrial automation components — PLCs, DCS, drives, I/O modules, and network adapters from leading global brands.
- Global Sourcing Network: Access to verified surplus and authorized distribution channels ensures competitive pricing without compromising authenticity.
- Technical Expertise: Our team includes experienced automation engineers who can assist with compatibility verification and application questions.
- Fast Global Shipping: Partnerships with DHL, FedEx, and UPS enable reliable delivery to North America, Europe, Southeast Asia, and beyond.
- Responsive Support: Dedicated B2B account management with rapid RFQ turnaround — typically within 24 hours.
Frequently Asked Questions
Q: Is the 1738-ADN12 compatible with ControlLogix DeviceNet scanner 1756-DNB?
A: Yes. The 1738-ADN12 is a standard DeviceNet slave device and is fully compatible with any DeviceNet master/scanner that conforms to the DeviceNet specification, including the 1756-DNB and 1769-SDN.
Q: What is the difference between 1738-ADN12 and 1738-ADN?
A: The “12” suffix typically denotes a Series 12 revision with updated firmware or minor hardware revisions. Always verify the exact catalog number and series with your system documentation to ensure compatibility.
Q: Can the 1738-ADN12 be used in a washdown environment?
A: Yes. The IP67 rating means the unit is protected against dust ingress and temporary water immersion (up to 1 meter for 30 minutes), making it suitable for washdown applications when properly installed with sealed M12 connectors.
Q: Do you provide a warranty on the 1738-ADN12?
A: Yes. Konmask.com provides a quality guarantee on all shipped units. Please contact support@konmask.com for specific warranty terms applicable to your order.
Q: How quickly can you ship the 1738-ADN12?
A: Subject to stock availability confirmed at time of inquiry, standard orders ship within 3–5 business days. Expedited options are available upon request.
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