Allen Bradley 1746-BAS — Comprehensive Technical Overview

1. Product Introduction

The Allen Bradley 1746-BAS is a BASIC language module designed for modular PLC systems. It is installed into a standard I/O chassis and provides extended programming capabilities beyond traditional ladder logic.

This module allows users to develop custom applications using BASIC, making it particularly useful for handling complex calculations, data manipulation, and non-standard communication tasks. It operates as an intelligent auxiliary processor within the control system, working alongside the main CPU.

The 1746-BAS is often used in legacy systems where flexibility and customization are required without upgrading the entire control platform.

2. Brand and Series

• Brand: Allen-Bradley
• Series: SLC 500 Series
• Product Type: BASIC Language / Communication Module

The SLC 500 series is a modular PLC platform widely used in industrial automation. The 1746-BAS enhances its capabilities by enabling advanced logic execution and communication flexibility.

3. Product Parameters

Below is a structured technical parameter table for the 1746-BAS:

4. Product Applications

The 1746-BAS module is used in a variety of industrial scenarios requiring flexible programming and communication:

• Custom protocol communication with external devices
• Data acquisition and logging systems
• Interface with printers, barcode readers, and serial instruments
• Mathematical and algorithm-based processing
• Batch processing and reporting systems
• Integration with legacy equipment
• Specialized automation tasks beyond standard PLC logic

It is especially valuable in applications where standard PLC instructions are not sufficient.

5. Product Advantages

Flexible programming environment
Supports BASIC language, enabling custom control strategies and advanced logic implementation.

Enhanced communication capability
Multiple serial interfaces allow connection to various external devices and systems.

Independent processing
Operates as a co-processor, reducing the workload on the main PLC CPU.

Improved system functionality
Enables tasks such as data logging, reporting, and protocol conversion.

Modular integration
Easily fits into existing chassis without requiring system redesign.

Reliable industrial performance
Designed for continuous operation with diagnostic indicators for monitoring status.

6. Recommended Models (Same Series or Related)

Below are 5 related models within the SLC 500 series or closely associated components:

These models are typically used together to build a complete modular control system.

7. Recommended Popular Models (Same Brand)

Below are 5 widely used models from the same brand in industrial automation systems: