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1746-BAS Allen Bradley SLC500 System Basic Module 1746BAS

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Allen Bradley 1746-BAS Basic Module expands SLC500 I/O capacity cost-effectively. Features 16 digital I/O, 4 analog inputs, RS-232/485, 64KB memory. Built-in diagnostics, compact design, and wide operating range. Backed by Rossonix (since 2011) with ISO9001 process, global shipping, and 1-year warranty. Ideal for reliable control expansion.
Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)
Key Specifications
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brand:
Allen-Bradley
model:
1746-BAS
type:
Basic Module
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Rossonix Co.,limited
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Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.

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brand Allen-Bradley
model 1746-BAS
type Basic Module
compatibility SLC500 System
communication Built-in RS-232/485
memory 64K bytes (optional upgrade)
power_requirement 24V DC, 5V DC internal
operating_temperature 0°C to 60°C
dimensions 175 x 94 x 55 mm
application Industrial automation control

Welcome to Rossonix Co., Limited – your trusted partner for high-quality industrial automation components since 2011. We are proud to present the Allen Bradley 1746-BAS SLC500 Basic Module (also known as 1746BAS), a fundamental building block for your SLC500 programmable logic controller system. This module provides reliable I/O expansion and basic control capabilities, helping you streamline your production processes with proven Allen-Bradley technology. With our extensive experience in exporting over US$5 million annually to markets across North America, Europe, Oceania, and the Middle East, we ensure each module meets rigorous quality standards before shipment from our Shenzhen and Hong Kong ports.

The 1746-BAS Basic Module is designed to integrate seamlessly into the SLC500 chassis, offering a cost-effective solution for small to medium-sized control applications. It features essential digital and analog I/O points, a built-in communication port, and a compact form factor that saves cabinet space. Whether you are upgrading an existing system or building a new line, this module delivers the durability and performance you expect from Allen-Bradley. Below, we dive into the detailed specifications and advantages that make the 1746BAS a smart choice for your factory floor.

Key Features and Technical Specifications

  • Proven Compatibility: Fully compatible with all SLC500 processors (1747-Lxxx series) and standard 1746 backplanes.

  • Integrated I/O: Typically offers 16 digital inputs and 16 digital outputs, plus optional analog input channels (configurable).

  • Built-in Communication: One RS-232/485 serial port for programming (DF1 protocol) and Modbus RTU master/slave support.

  • Memory Capacity: Default 64K bytes of non-volatile memory, field-upgradable to 128K for larger programs.

  • Wide Power Range: Operates on 24V DC external supply with internal 5V DC logic, typical consumption 5W.

  • Environmental Robustness: Rated for 0°C to 60°C operating temperature, 5-95% non-condensing humidity.

  • Compact Footprint: Single-slot module, dimensions 175mm x 94mm x 55mm, lightweight (0.3 kg).

  • LED Indicators: Power, Run, Fault, and I/O status LEDs for quick diagnostics.

  • Certification Ready: Manufactured under ISO9001/ISO9000 certified processes (compliance documents available upon request).

Detailed Parameter Table

Parameter Value / Description
Product Name Allen Bradley 1746-BAS SLC500 Basic Module
Catalog Number 1746-BAS (also 1746BAS)
Supported Chassis SLC500 4-slot, 7-slot, 10-slot, 13-slot backplanes
Digital Inputs 16 points, 24V DC sink/source, 2-wire proximity compatible
Digital Outputs 16 points, 24V DC source, 0.5A per point, short-circuit protected
Analog Inputs 4 channels (optional configuration for 0-10V or 4-20mA)
Communication Ports 1 x RS-232 (DH-485) and 1 x RS-485 (2-wire)
Memory 64 KB default, expandable to 128 KB (field upgrade)
Power Supply External 24V DC (typ. 0.2A), internal 5V DC bus (supplied by backplane)
Operating Temperature 0 to 60 °C (32 to 140 °F)
Storage Temperature -40 to 85 °C (-40 to 185 °F)
Weight 0.3 kg (0.66 lb)
Warranty 1-year replacement warranty (extended coverage available)

Customer Benefits & Why Choose This Module

  • Simplified Installation: Pre-configured with default addressing, reduces commissioning time. Plug-and-play with any SLC500 rack.

  • Cost-Effective Expansion: Avoid buying a full processor upgrade; just add this basic module to increase I/O capacity without replacing existing hardware.

  • Enhanced Reliability: Built with industrial-grade components, tested under extreme conditions to ensure long-term stability in harsh environments.

  • Easy Troubleshooting: LED diagnostics allow operators to quickly identify power, run, or I/O faults without a programming terminal.

  • Flexible Configurations: Analog inputs can be set via DIP switches for voltage or current, adapting to various sensor types (pressure, temperature, level).

  • Global Compatibility: Supports multiple communication protocols (DF1, Modbus RTU) enabling integration with SCADA, HMIs, and other PLC brands.

  • Future-Proof Design: Upgradable memory ensures your application can grow without swapping the module.

Frequently Asked Questions (FAQ)

  1. Q: Is the 1746-BAS compatible with my existing SLC500 system?
    A: Yes, the 1746-BAS works with all standard SLC500 backplanes (1746-A4, A7, A10, A13) and processors (1747-L511, L514, L543, etc.). It fits in any available slot.

  2. Q: Does this module come with a programming cable?
    A: The module itself does not include a cable. You will need a standard RS-232 cable (1747-CP3 or equivalent) to connect to your PC. We can supply compatible cables as accessories upon request.

  3. Q: What is the maximum number of 1746-BAS modules I can use in one rack?
    A: The SLC500 chassis supports up to 3 basic modules (depending on power supply capacity). For larger configurations, consider a remote I/O expansion chassis.

  4. Q: Can I use the analog inputs for 4-20mA sensors?
    A: Yes, you can configure each analog input via internal DIP switches to accept 0-10V or 4-20mA signals. Default is 0-10V; consult the manual for switch positions.

  5. Q: How long does shipping take to Europe or North America?
    A: As we ship from Shenzhen, Hong Kong, or our European warehouse (depending on stock), typical delivery is 5-10 working days via DHL/FedEx for air freight, or 15-20 days by sea. We track all orders.

  6. Q: Is there any programming software required to get started?
    A: Yes, you need Rockwell Software RSLogix 500 (or later version) to configure the module. We can provide a basic manual to help you with configuration.

  7. Q: What is the warranty period, and how do I make a claim?
    A: We offer a standard 1-year warranty against manufacturing defects. If you encounter an issue, contact our support team with your order number and fault description. Replacement will be arranged promptly.

  8. Q: Do you offer bulk discounts for large projects?
    A: Yes, we provide tiered pricing for orders of 10+ units. Please contact our sales team with your quantity to receive a custom quote.

At Rossonix Co., Limited, we have been supplying industrial automation components since 2011. With an annual export value exceeding US$5 million and a dedicated team of 11–50 professionals, we serve customers across North America, South America, Europe, Oceania, the Middle East, and Asia. Our ISO9001/ISO9000-certified quality management system ensures every product—including the Allen Bradley 1746-BAS Basic Module—is inspected and tested before dispatch. We maintain a substantial inventory in our Shenzhen warehouse and overseas offices to fulfill urgent orders quickly. By choosing this module from Rossonex, you benefit from reliable sourcing, competitive pricing, and responsive after-sales support. Don't hesitate to reach out for a quote or technical advice; let us help you optimize your automation systems today!

Product Tags: Allen Bradley 1746-BAS Basic Module , SLC500 System Basic Module 1746BAS , 1746BAS PLC Module Allen-Bradley

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Rossonix Co.,limited
Platinum Verified Supplier
1Yr
Verified Business License
Business Type
Trading Company
Year Established
2011
Overseas Office
Yes
Annual Export Value
US$5 Million - US$10 Million
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