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- Allen Bradley
- 1747-SCNR
- SLC500 ControlNet Scanner Module
- USA
- 144.5 × 34.6 × 130.18 mm
- 0.2 kg
- Xiamen, China
- New & In Stock
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- 1 Year
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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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Product Overview
In modern industrial automation systems, reliable network communication and fast data exchange between controllers and field devices are essential for maintaining stable production processes. The Allen Bradley 1747-SCNR SLC500 ControlNet Scanner Module is a communication interface module designed for the Allen Bradley SLC 500 platform, providing ControlNet network connectivity between SLC processors and distributed automation devices.
The 1747-SCNR functions as a bridge between an SLC 500 controller and ControlNet network devices, allowing the PLC system to exchange real-time control data with remote I/O modules, intelligent devices, and other industrial controllers.
By integrating ControlNet communication capability into an SLC 500 system, this module improves network flexibility, expands system communication range, and supports reliable data transmission in complex industrial automation environments.
The Allen Bradley 1747-SCNR is commonly used in manufacturing automation, distributed control systems, production lines, and industrial applications where coordinated communication between multiple devices is required.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen Bradley |
| Model | 1747-SCNR |
| Product Type | SLC500 ControlNet Scanner Module |
| PLC Platform | SLC 500 |
| Communication Network | ControlNet |
| Function | ControlNet network scanning and data communication |
| Module Type | Communication Interface Module |
| Installation Type | SLC 500 Chassis Mounting |
| Dimensions | 144.5 × 34.6 × 130.18 mm |
| Weight | 0.2 kg |
| Application | Industrial network communication |
| System Role | Network communication expansion module |
| Communication Method | Real-time industrial data exchange |
| Operating Environment | Industrial automation environment |
Function and Working Principle
The Allen Bradley 1747-SCNR ControlNet Scanner Module operates as a communication interface between an SLC 500 processor and ControlNet network devices.
The module manages communication between the PLC system and connected ControlNet nodes by scanning network devices, exchanging input and output data, and transferring control information between different automation components.
The working process can be described as:
SLC Processor → 1747-SCNR Scanner Module → ControlNet Network → Remote Devices
The main functions include:
- Scanning ControlNet network nodes
- Managing communication data exchange
- Connecting SLC 500 systems with remote I/O devices
- Supporting distributed automation architectures
- Improving system communication flexibility
During operation, the scanner module continuously communicates with configured network devices and transfers real-time information required for industrial control processes.
Role in Industrial Control Systems
The Allen Bradley 1747-SCNR plays an important role in expanding the communication capability of SLC 500 automation systems.
Traditional PLC systems may require additional communication modules to connect remote devices or distributed control stations. The 1747-SCNR provides ControlNet network access, allowing the SLC controller to communicate with multiple industrial devices over a reliable network infrastructure.
The module typically works together with:
- SLC 500 processors
- ControlNet network components
- Remote I/O modules
- Distributed control devices
- Operator interface systems
- Industrial communication equipment
A typical system structure includes:
SLC 500 Processor → 1747-SCNR Module → ControlNet Network → Remote I/O and Field Devices
This configuration provides:
- Reliable distributed control
- Real-time communication
- Flexible system expansion
- Centralized automation management
- Improved production coordination
Industrial Applications
The Allen Bradley 1747-SCNR ControlNet Scanner Module is widely used in industrial automation applications.
Manufacturing Automation
Used for:
- Production line communication
- Automated machine coordination
- Distributed equipment control
- Factory automation systems
Automotive Manufacturing
Applied in:
- Assembly lines
- Robotic workstations
- Material handling systems
- Manufacturing process coordination
Process Control Applications
Supports:
- Distributed monitoring systems
- Remote equipment communication
- Industrial process automation
Packaging Industry
Used for:
- Conveyor communication
- Packaging equipment networking
- Automated production systems
Industrial System Upgrades
Applied in:
- Existing SLC 500 network expansion
- Communication system improvements
- Legacy automation modernization
Installation and System Integration
Proper installation of the Allen Bradley 1747-SCNR Scanner Module is important for ensuring reliable ControlNet communication.
Recommended installation procedures include:
- Installing the module into the correct SLC 500 chassis slot
- Confirming processor compatibility
- Connecting ControlNet network cables correctly
- Configuring network node addresses
- Setting communication parameters
During commissioning, engineers should verify:
- Module status indicators
- ControlNet network operation
- Communication data exchange
- Remote device response
- PLC program configuration
Correct setup helps prevent:
- Network communication failures
- Data transmission errors
- Remote I/O connection problems
- System control interruptions
Compatible System Components
The Allen Bradley 1747-SCNR typically works together with the following components:
| Component | Function |
|---|---|
| SLC 500 Processor | Executes PLC control programs |
| ControlNet Network Devices | Provides industrial communication connections |
| Remote I/O Modules | Collects and outputs field signals |
| ControlNet Cables | Transfers communication data |
| HMI Systems | Provides operator monitoring and control |
| Industrial Controllers | Exchanges automation information |
| Field Sensors and Actuators | Connects physical equipment to control systems |
Together, these components create a distributed industrial automation communication network.
Common Failure Symptoms
When the Allen Bradley 1747-SCNR ControlNet Scanner Module experiences problems, the system may show the following symptoms:
| Fault Symptom | Possible Cause |
|---|---|
| Network communication failure | ControlNet connection problem |
| Remote I/O unavailable | Scanner configuration issue |
| Module fault indicator active | Hardware or communication error |
| Data update delay | Network load or communication interruption |
| PLC cannot communicate with devices | Incorrect network setup |
Regular inspection of network connections, module status, and communication configuration helps improve system reliability.
Recommended Alternative Models
Depending on system requirements and communication needs, the following related models may be considered:
| Model | Type | Key Feature | Application |
|---|---|---|---|
| Allen Bradley 1747-SCNR | ControlNet Scanner Module | SLC 500 ControlNet communication support | Distributed automation systems |
| Allen Bradley 1747-SN | Remote I/O Scanner Module | Remote I/O network connection | Industrial control systems |
| Allen Bradley 1747-ACN15 | ControlNet Adapter Module | ControlNet network integration | Remote chassis applications |
| Allen Bradley ControlNet Communication Modules | Network Interface Modules | Industrial communication expansion | Automation networks |
| Allen Bradley SLC Communication Modules | PLC Network Modules | Flexible connectivity solutions | PLC system upgrades |
Key Advantages
- Enables ControlNet communication for SLC 500 systems
- Supports distributed automation architectures
- Provides reliable industrial data exchange
- Expands PLC communication capability
- Improves system flexibility and scalability
- Suitable for complex automation networks
- Designed for continuous industrial operation
Technical FAQs
What is the Allen Bradley 1747-SCNR used for?
The Allen Bradley 1747-SCNR is a ControlNet scanner module used to connect SLC 500 PLC systems with ControlNet network devices.
What is the main function of a ControlNet scanner module?
Its main function is to manage communication between the PLC processor and remote devices connected through the ControlNet network.
Which systems are compatible with the 1747-SCNR?
It is designed for Allen Bradley SLC 500 systems and works with ControlNet-compatible automation devices.
What causes ControlNet communication problems?
Common causes include incorrect network configuration, cable issues, device addressing errors, and hardware faults.
Conclusion
The Allen Bradley 1747-SCNR SLC500 ControlNet Scanner Module is an important communication component designed to expand the networking capability of SLC 500 automation systems.
With reliable ControlNet communication performance, flexible system integration capability, and support for distributed industrial architectures, it provides an effective solution for connecting PLC systems with remote devices and automation networks.
For automation engineers, system integrators, and maintenance teams, selecting the correct communication module is essential for improving network reliability, reducing downtime, and maintaining efficient industrial control operations.