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Allen-Bradley 1746-BAS
by Allen-Bradley
Read verified buyer reviews ↓OverviewThe Allen-Bradley 1746-BAS Communication Module significantly boosts the performance of any SLC 500 series industrial automation setup by delivering improved communication speeds and seamless data integration. Engineered to optimize operations and heighten efficiency, this module effortlessly integrates into any 1746 chassis, providing dependable connectivity for Human Machine Interfaces (HMIs), modems, printers, and other essential equipment. Built for demanding manufacturing environments, the 1746-BAS boasts dual serial D-shell ports supporting a broad array of protocols (RS-232/423, RS-422, and RS-485) and includes 24 KB of battery-backed RAM to preserve data integrity even during power interruptions. Its straightforward LED indicators enable quick status checks, simplifying both troubleshooting and system oversight. Achieve reliable, high-performance data communication with the Allen-Bradley 1746-BAS, a crucial component for optimizing your PLC infrastructure.Key Features Elevated Communication Speed: Experience quicker data transfer rates, reducing latency and boosting the responsiveness of your industrial communication networks. Broad Dual Port Compatibility: Featuring dual serial D-shell ports, this module offers extensive support for RS-232/423, RS-422, and RS-485 protocols, ensuring flexible integration with various industrial devices. Secure Data Preservation: The integrated 24 KB battery-backed RAM protects vital data, preventing loss during unexpected power losses and guaranteeing continuous operation. Simple System Integration: Designed for an easy setup, the module fits into a single slot of any 1746 chassis within your SLC 500 system. High-Precision Clock: Maintain accurate timing for critical applications with a built-in high-resolution clock, ensuring precise synchronization across your system. Intuitive LED Indicators: Quickly monitor module status and diagnose potential issues with clear, easily visible LED indicators, streamlining maintenance and diagnostics. Durable Industrial Construction: Engineered to endure harsh industrial settings, providing reliable performance and longevity in challenging operational environments. Technical Specifications Model Number: 1746-BAS Compatibility: Allen-Bradley SLC 500 series controllers Communication Ports: Dual serial D-shell ports (RS-232/423, RS-422, RS-485) Memory: 24 KB battery-backed RAM Expansion: Memory expansion socket Clock: High-resolution clock LED Indicators: For status monitoring and troubleshooting Power Requirements: 5V DC, supplied by SLC 500 controller Mounting: Single slot of the 1746 chassis Operating Temperature Range: 0°C to 60°C (32°F to 140°F) Storage Temperature Range: -40°C to 85°C (-40°F to 185°F) Certifications: UL listed, CE certified Weight: Approximately 0.1 kg (packaging may vary) Applications SLC 500 Controller Enhancement: Effortlessly expand the communication abilities of your existing Allen-Bradley SLC 500 PLC systems, enabling greater connectivity and control. Industrial Automation Hub: Facilitate efficient data exchange with a wide array of devices including HMIs, modems, and printers across various manufacturing and industrial settings. Remote Surveillance & Analysis: Perfect for uses requiring remote diagnostics, data acquisition, and control, improving operational awareness and maintenance efficiency. Process Management Systems: Integrate into intricate process control systems where precise timing and dependable data exchange are essential for peak performance. Automated Material Handling: Strengthen communication networks in automated material handling systems, ensuring smooth and synchronized operations. Building Automation Systems: Employ for robust communication within industrial building management systems, connecting diverse sensors and actuators. Why ChooseThis module offers the renowned quality and consistent performance associated with Allen-Bradley products. It is designed for longevity and resilience in demanding industrial environments.Order NowEnhance your industrial automation system with the Allen-Bradley 1746-BAS Communication Module. Contact us today for pricing and availability to optimize your operations.FAQWhat systems is the 1746-BAS compatible with?The 1746-BAS is designed for seamless integration with Allen-Bradley SLC 500 series controllers, fitting into any 1746 chassis.What communication protocols does this module support?It supports a variety of protocols, including RS-232/423, RS-422, and RS-485, through its dual serial D-shell ports.How does the 1746-BAS ensure data integrity during power outages?The module is equipped with 24 KB of battery-backed RAM, which protects critical data from being lost during unexpected power interruptions.Is installation of the 1746-BAS module complicated?No, the module is designed for straightforward installation and easily fits into a single slot of your 1746 chassis.What are the primary benefits of using the 1746-BAS module?Key benefits include enhanced communication speed, versatile dual-port support, reliable data retention, effortless system integration, a high-resolution clock for precise timing, intuitive LED indicators for easy monitoring, and a robust industrial design for durability.
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Allen-Bradley 1746-BAS
Overview
This is a genuine Allen-Bradley component from the SLC 500 Platform (Legacy) family. 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
- Engineered to integrate inside SLC 500 Platform (Legacy) installations
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 for the SLC 500 Platform (Legacy) family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model Number: 1746-BAS
- Compatibility: Allen-Bradley SLC 500 series controllers
- Communication Ports: Dual serial D-shell ports (RS-232/423, RS-422, RS-485)
- Memory: 24 KB battery-backed RAM
- Expansion: Memory expansion socket
- Clock: High-resolution clock
- LED Indicators: For status monitoring and troubleshooting
- Power Requirements: 5V DC, supplied by SLC 500 controller
- Mounting: Single slot of the 1746 chassis
- Operating Temperature Range: 0°C to 60°C (32°F to 140°F)
- Storage Temperature Range: -40°C to 85°C (-40°F to 185°F)
- Certifications: UL listed, CE certified
- Weight: Approximately 0.1 kg (packaging may vary)
Applications
- SLC 500 Controller Enhancement: Effortlessly expand the communication abilities of your existing Allen-Bradley SLC 500 PLC systems, enabling greater connectivity and control.
- Industrial Automation Hub: Facilitate efficient data exchange with a wide array of devices including HMIs, modems, and printers across various manufacturing and industrial settings.
- Remote Surveillance & Analysis: Perfect for uses requiring remote diagnostics, data acquisition, and control, improving operational awareness and maintenance efficiency.
- Process Management Systems: Integrate into intricate process control systems where precise timing and dependable data exchange are essential for peak performance.
- Automated Material Handling: Strengthen communication networks in automated material handling systems, ensuring smooth and synchronized operations.
- Building Automation Systems: Employ for robust communication within industrial building management systems, connecting diverse sensors and actuators.
Why Choose the 1746-BAS?
This module offers the renowned quality and consistent performance associated with Allen-Bradley products. It is designed for longevity and resilience in demanding industrial environments.
Availability & Shipping
- ▸In stock: 1746-BAS 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 1746-BAS 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.
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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.