*Image shown is a representation only. Actual product may vary.
Allen-Bradley 1738-APB
by Allen-Bradley
Read verified buyer reviews ↓OverviewThe Allen-Bradley 1738-APB ArmorPoint PROFIBUS DP Communication Adapter is engineered for seamless integration of distributed I/O modules into your PROFIBUS DP network. Designed for demanding industrial environments, this robust adapter features reliable M12 quick-disconnect connectors and an IP67-rated sealed housing, allowing for direct machine mounting without the need for additional enclosures. Experience superior connectivity and robust performance in even the most challenging conditions with the 1738-APB, ensuring your automation systems operate with maximum efficiency and uptime.Key Features High-Speed PROFIBUS DP Communication: Supports rapid data exchange with baud rates up to 12 Mbps, optimizing network performance. Rugged M12 Quick-Disconnects: Provides secure, reliable connections for PROFIBUS In and Out, minimizing downtime due to connection issues. IP67-Rated Industrial Design: Offers exceptional protection against dust and water ingress, enabling direct machine mounting in harsh environments without extra enclosures. Expansive I/O Capacity: Accommodates up to 63 ArmorPoint I/O modules, providing extensive flexibility for complex configurations. Integrated Power Supply: Operates efficiently on a 24V DC input, consuming minimal power (max 8.1W at 28.8V DC). Comprehensive Diagnostic Indicators: Features LED indicators for Adapter, PROFIBUS, PointBus, System Power, and Adapter Power status, facilitating quick troubleshooting. Wide Environmental Operating Range: Functions reliably from -20°C to +60°C (-4°F to +140°F), ensuring performance in extreme temperatures. Technical Specifications Model: 1738-APB Communication Protocol: PROFIBUS DP Connectors: Two M12 quick-disconnects for PROFIBUS In and Out; One mini-style for auxiliary power Power Requirements: Input Voltage: 24V DC (10–28.8V DC range) Inrush Current: 6A max for 10ms Field Side Power: 400mA @ 24V DC Backplane Current: 1.0A (expandable with 1738-EP24DC modules) Power Consumption: 8.1W max at 28.8V DC Environmental Ratings: Operating Temperature: -20°C to +60°C (-4°F to +140°F) Storage Temperature: -40°C to +85°C (-40°F to +185°F) Relative Humidity: 5% to 95% non-condensing Shock: 30g operating, 50g non-operating Vibration: 5g @ 10–500Hz Dimensions (H x W x D): 4.41 in (112 mm) x 2.83 in (72 mm) x 2.56 in (65 mm) Certifications: UL Listed, CE Marked, C-Tick, PROFIBUS International conformance tested ApplicationsThis communication adapter is ideal for: Distributed I/O Systems: Essential for establishing robust and efficient communication between controllers and remote I/O modules in complex industrial automation setups. Harsh Industrial Environments: Ideally suited for applications demanding rugged, dust-tight, and water-resistant components that can withstand extreme operational conditions. PROFIBUS DP Network Implementations: A critical component for any system utilizing PROFIBUS DP protocols, ensuring reliable data transfer and control. Machine Integration and Automation: Perfect for directly mounting onto machinery, simplifying wiring and reducing the need for protective enclosures, optimizing space and installation time. Manufacturing and Process Control: Enhances the reliability and responsiveness of control systems in manufacturing plants, chemical processing facilities, and other industrial settings. Why ChooseHere are just a few reasons to select this model: Unrivaled Durability: The IP67-rated housing ensures long-term reliability and performance in the most demanding industrial environments, reducing maintenance and replacement costs. Seamless Connectivity: M12 quick-disconnect connectors provide fast, secure, and reliable network connections, minimizing installation time and maximizing operational uptime. Optimized Performance: With support for PROFIBUS DP at up to 12 Mbps, the 1738-APB ensures high-speed data communication, critical for responsive automation systems. Scalable Solutions: High I/O capacity allows for connectivity with up to 63 ArmorPoint I/O modules, providing flexibility to expand your system. Order NowEnhance your industrial automation system with the Allen-Bradley 1738-APB ArmorPoint PROFIBUS DP Communication Adapter. Contact us today to place your order or request a quote.FAQWhat is the primary function of the 1738-APB?The 1738-APB serves as a communication adapter, enabling the integration of ArmorPoint I/O modules into a PROFIBUS DP network.Can this adapter withstand harsh industrial conditions?Yes, with its IP67-rated sealed housing and wide operating temperature range, the 1738-APB is designed for use in demanding industrial environments.What type of connectors does the 1738-APB use for PROFIBUS?It utilizes rugged M12 quick-disconnect connectors for both PROFIBUS In and Out connections.How many I/O modules can be connected to the 1738-APB?The adapter can accommodate up to 63 ArmorPoint I/O modules, offering extensive system expansion capabilities.What are the power requirements for this device?The 1738-APB operates on a 24V DC input, with an acceptable range of 10-28.8V DC.
USA — Free FedEx Priority & UPS Ground · Worldwide shipping available
For more quantity please contact Customer Service
Fast Shipping
Dispatched quickly on in-stock items via UPS, FedEx & DHL worldwide.
Availability
Thousands of parts in stock — ready for immediate dispatch from Florida.
Payment Flexibility
AMEX, Visa, MasterCard, PayPal, Discover and wire transfer accepted.
Allen-Bradley 1738-APB
Overview
This is a genuine Allen-Bradley component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Allen-Bradley catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Allen-Bradley automation ecosystem
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Allen-Bradley platform with documented conversion notes
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model: 1738-APB
- Communication Protocol: PROFIBUS DP
- Connectors: Two M12 quick-disconnects for PROFIBUS In and Out; One mini-style for auxiliary power
-
Power Requirements:
- Input Voltage: 24V DC (10–28.8V DC range)
- Inrush Current: 6A max for 10ms
- Field Side Power: 400mA @ 24V DC
- Backplane Current: 1.0A (expandable with 1738-EP24DC modules)
- Power Consumption: 8.1W max at 28.8V DC
-
Environmental Ratings:
- Operating Temperature: -20°C to +60°C (-4°F to +140°F)
- Storage Temperature: -40°C to +85°C (-40°F to +185°F)
- Relative Humidity: 5% to 95% non-condensing
- Shock: 30g operating, 50g non-operating
- Vibration: 5g @ 10–500Hz
- Dimensions (H x W x D): 4.41 in (112 mm) x 2.83 in (72 mm) x 2.56 in (65 mm)
- Certifications: UL Listed, CE Marked, C-Tick, PROFIBUS International conformance tested
Applications
This communication adapter is ideal for:
- Distributed I/O Systems: Essential for establishing robust and efficient communication between controllers and remote I/O modules in complex industrial automation setups.
- Harsh Industrial Environments: Ideally suited for applications demanding rugged, dust-tight, and water-resistant components that can withstand extreme operational conditions.
- PROFIBUS DP Network Implementations: A critical component for any system utilizing PROFIBUS DP protocols, ensuring reliable data transfer and control.
- Machine Integration and Automation: Perfect for directly mounting onto machinery, simplifying wiring and reducing the need for protective enclosures, optimizing space and installation time.
- Manufacturing and Process Control: Enhances the reliability and responsiveness of control systems in manufacturing plants, chemical processing facilities, and other industrial settings.
Why Choose the 1738-APB?
Here are just a few reasons to select this model:
- Unrivaled Durability: The IP67-rated housing ensures long-term reliability and performance in the most demanding industrial environments, reducing maintenance and replacement costs.
- Seamless Connectivity: M12 quick-disconnect connectors provide fast, secure, and reliable network connections, minimizing installation time and maximizing operational uptime.
- Optimized Performance: With support for PROFIBUS DP at up to 12 Mbps, the 1738-APB ensures high-speed data communication, critical for responsive automation systems.
- Scalable Solutions: High I/O capacity allows for connectivity with up to 63 ArmorPoint I/O modules, providing flexibility to expand your system.
Availability & Shipping
- ▸In stock: 1738-APB ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every 1738-APB ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Allen-Bradley
Machine down? We ship parts the same day.
New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
Related Allen-Bradley resources
What Verified Buyers Say
No reviews yet for this product. Be the first verified buyer to share your experience — we email a review invitation after every purchase.
Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.