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- Allen Bradley
- 1747-ASB
- ControlNet Adapter Module
- USA
- 26.3 × 13.8 × 8.8 cm
- 2.35kg
- Xiamen, China
- New & In Stock
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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Allen Bradley 1747-ASB Detailed Product Introduction and Technical Specifications
Product Overview
The Allen Bradley 1747-ASB is a Universal Remote I/O Adapter Module designed for the SLC 500 programmable controller platform. This module is widely used in industrial automation systems to establish communication between remote I/O racks and central processors through a Remote I/O (RIO) network.
The 1747-ASB acts as a communication bridge that enables distributed field devices and remote chassis to exchange data efficiently with the main PLC controller. It is designed for applications where long-distance I/O communication, flexible system expansion, and reliable industrial networking are required.
This module is commonly installed in industrial manufacturing plants, automated assembly lines, process control systems, material handling facilities, food processing equipment, packaging systems, and heavy industrial machinery.
The product supports stable high-speed data communication while maintaining strong resistance to industrial electrical noise and harsh operating environments.
Brand Information
| Item | Details |
|---|---|
| Brand | Allen Bradley |
| Product Model | 1747-ASB |
| Product Type | Universal Remote I/O Adapter Module |
| Product Family | PLC Communication Module |
| Series | SLC 500 Series |
| Communication Platform | Remote I/O (RIO) |
| Installation Method | Chassis Slot Installation |
| Main Function | Remote Rack Communication |
Product Series Introduction
SLC 500 Series
The SLC 500 series is one of the most widely used PLC automation platforms in industrial control history.
The series was developed for medium-sized automation systems requiring modular design, flexible expansion capability, reliable operation, and simplified maintenance.
The SLC 500 platform supports a wide range of digital I/O modules, analog modules, communication modules, processor units, and networking devices.
The 1747-ASB module belongs to the communication adapter category within the SLC 500 family and is mainly responsible for remote rack communication over a Remote I/O network.
Its design allows users to distribute I/O racks across large production facilities while maintaining centralized control from the main PLC processor.
Detailed Technical Specifications of 1747-ASB
Main Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 1747-ASB |
| Module Type | Universal Remote I/O Adapter Module |
| Series | SLC 500 |
| Communication Protocol | Remote I/O (RIO) |
| Communication Speed | 57.6 kbps / 115.2 kbps / 230.4 kbps |
| Backplane Current | 375 mA at 5V DC |
| Slot Requirement | 1 Slot |
| Supported Chassis | 1746 I/O Chassis |
| Number of Supported Slots | Up to 30 Slots |
| Supported Nodes | 16 Standard / 32 Extended |
| Connector Type | 6-Pin Phoenix Connector |
| Cable Type | Belden 9463 |
| Data Transmission | Bidirectional |
| Diagnostic Display | 3-Digit LED Display |
| Operating Voltage | 5V DC |
| Isolation | Optical Isolation |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity Range | 5% to 95% Non-Condensing |
| Noise Immunity | Industrial Grade |
| Installation Type | Chassis Mounted |
| Certifications | UL, CSA, CE |
| Dimensions | 26.3 × 13.8 × 8.8 cm |
| Weight (kg) | 2.35 kg |
Product Features
1. Reliable Remote I/O Communication
The 1747-ASB provides stable communication between remote I/O racks and the primary PLC processor.
This allows industrial systems to distribute field devices over large distances without excessive wiring complexity.
The module improves overall system organization and simplifies plant-wide automation architecture.
2. Multiple Communication Speeds
The module supports three communication rates including 57.6 kbps, 115.2 kbps, and 230.4 kbps.
This flexibility allows users to configure the communication speed according to system requirements and network conditions.
3. Strong Industrial Noise Immunity
Industrial environments often contain heavy electromagnetic interference generated by motors, drives, welding equipment, and high-voltage devices.
The 1747-ASB incorporates industrial-grade isolation and filtering technology to maintain reliable communication under these harsh conditions.
4. Flexible Distributed System Design
The module supports distributed rack installation, enabling remote chassis placement across production areas.
This reduces installation costs, simplifies wiring management, and improves system scalability.
5. Advanced Diagnostic Functions
The module contains built-in LED indicators and diagnostic displays that assist maintenance personnel during troubleshooting.
Engineers can quickly identify communication faults, addressing issues, or network interruptions.
Product Applications
Manufacturing Automation
The 1747-ASB is widely used in automated production lines, conveyor systems, robotic assembly systems, and packaging equipment.
It helps establish reliable communication between distributed field devices and centralized PLC controllers.
Automotive Industry
Automotive factories require stable and synchronized communication across large manufacturing areas.
The module allows distributed I/O deployment throughout welding lines, painting systems, and assembly operations.
Food and Beverage Processing
Food production systems require continuous operation with minimal downtime.
The 1747-ASB provides reliable field communication for mixers, conveyors, filling machines, and packaging systems.
Oil and Gas Industry
In process industries, remote communication modules are essential for connecting field instrumentation across long distances.
The 1747-ASB supports stable communication in demanding industrial environments.
Material Handling Systems
Warehouses and logistics systems often use distributed I/O architecture to control conveyors, sorters, and automated storage systems.
The module enables centralized control while maintaining remote device flexibility.
Product Advantages
| Advantage | Description |
|---|---|
| Stable Communication | Reliable Remote I/O data exchange |
| Flexible Expansion | Supports distributed rack architecture |
| Industrial Durability | Designed for harsh environments |
| Easy Installation | Simple chassis mounting structure |
| Strong Compatibility | Compatible with SLC 500 systems |
| Efficient Diagnostics | LED indicators simplify maintenance |
| Noise Resistance | High immunity to electromagnetic interference |
| Long Operational Life | Industrial-grade electronic components |
Recommended Models from the Same Series or Related Series
Related SLC 500 Communication Modules
| Model | Product Type | Main Function | Communication Type | Dimensions | Weight (kg) |
|---|---|---|---|---|---|
| 1747-SN | Scanner Module | Remote I/O Scanning | Remote I/O | 24 × 13 × 7 cm | 1.80 kg |
| 1747-ACN15 | ControlNet Adapter | Distributed Communication | ControlNet | 26 × 14 × 8 cm | 2.20 kg |
| 1747-ACNR15 | Redundant Adapter | Redundant ControlNet Communication | ControlNet | 26.3 × 13.8 × 8.8 cm | 2.35 kg |
| 1747-KE | Communication Interface | DH-485 Interface | DH-485 | 22 × 12 × 6 cm | 1.10 kg |
| 1747-DCM | Direct Communication Module | PLC Peer Communication | DH485 / RS232 | 25 × 14 × 7 cm | 1.90 kg |
Recommended Popular Models from the Same Brand
Popular Industrial Automation Models
| Model | Product Category | Main Features | Application Area | Dimensions | Weight (kg) |
|---|---|---|---|---|---|
| 1756-EN2TR | Ethernet Communication Module | Dual Ethernet Ports | ControlLogix Systems | 14 × 11 × 8 cm | 0.45 kg |
| 1769-L33ER | Compact PLC Controller | Integrated Ethernet/IP | Machine Automation | 18 × 12 × 9 cm | 0.92 kg |
| 1756-IB16 | Digital Input Module | 16-Point Digital Input | Factory Automation | 15 × 11 × 6 cm | 0.30 kg |
| 1769-IF8 | Analog Input Module | 8-Channel Analog Input | Process Control | 12 × 9 × 5 cm | 0.35 kg |
| 1783-US8T | Industrial Ethernet Switch | Managed Industrial Networking | Industrial Ethernet | 16 × 12 × 5 cm | 0.80 kg |
Communication Performance Overview
The 1747-ASB was designed to provide efficient and stable communication across Remote I/O systems used in large industrial facilities.
Its support for multiple communication rates allows flexible deployment in different network configurations.
The module can support both standard and extended node addressing, making it suitable for complex automation systems containing multiple distributed racks.
Its communication reliability and industrial durability made it a widely adopted solution in legacy automation systems that still remain operational today.
Installation and Maintenance Characteristics
The module is designed for easy installation into standard SLC 500 chassis systems.
Its front-panel indicators provide clear operational status information for maintenance technicians.
Routine maintenance requirements are minimal due to the industrial-grade construction and robust communication design.
The module also offers strong long-term operational stability, making it suitable for continuous industrial operation environments.
System Integration Capability
The 1747-ASB integrates efficiently with distributed control architectures where centralized PLC systems communicate with remote field devices.
This capability reduces overall cable routing complexity and lowers installation costs in large manufacturing plants.
The module is especially useful in facilities where machinery and field equipment are physically separated across long production lines or industrial zones.