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- Allen Bradley
- 1794-TB3S
- ControlNet Flex I/O Adapter Module
- USA
- 94 mm × 94 mm × 69 mm
- 0.2kg
- Xiamen, China
- New & In Stock
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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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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Industrial Terminal Base Unit Technical Report
Model: 1794-TB3S
1. Product Overview
The 1794-TB3S is an industrial terminal base unit designed for distributed I/O systems requiring stable wiring structure, secure electrical connection, and modular installation flexibility.
It functions as the interface between field wiring and FLEX I/O modules, ensuring reliable signal transmission in industrial automation environments.
This model is typically used in applications that demand structured wiring layouts, fast module replacement, and long-term operational stability.
It is engineered for harsh industrial conditions including vibration, electrical noise, temperature variation, and continuous-duty operation.
The 1794-TB3S supports scalable distributed automation systems and is suitable for medium-density industrial control applications.
2. Brand Information
| Item | Details |
|---|---|
| Brand | Allen Bradley |
| Product Model | 1794-TB3S |
| Product Type | Safety terminal base unit |
| Product Category | FLEX I/O terminal base |
| Main Function | Field wiring interface and module mounting |
| Installation Method | DIN rail mounting |
| Industry Application | Industrial automation and distributed control systems |
3. Product Series Information
The 1794-TB3S belongs to the FLEX I/O distributed automation system series.
This series is designed for modular industrial control systems that require flexible configuration, distributed installation, and efficient wiring management.
Within this system, terminal base units provide the structural and electrical foundation for connecting field wiring to I/O modules.
The FLEX I/O platform supports digital, analog, relay, communication, and specialty modules, enabling scalable automation system design.
Key characteristics of the series include:
- Distributed modular architecture
- High scalability
- Compact industrial structure
- Flexible wiring configuration
- Strong environmental resistance
- Simplified maintenance design
- Industrial network compatibility
4. Product Introduction
The 1794-TB3S is a safety-oriented terminal base unit designed for secure and stable connection between field wiring and FLEX I/O modules.
It ensures reliable electrical signal transmission and mechanical stability within distributed automation systems.
This model is suitable for applications requiring enhanced wiring safety, structured installation, and consistent system reliability.
The removable terminal structure allows fast replacement of I/O modules without disconnecting field wiring, improving maintenance efficiency.
Its rugged industrial design ensures stable operation in environments with vibration, humidity, temperature variation, and electrical interference.
The compact structure supports efficient cabinet layout and organized wiring distribution in industrial control systems.
5. Technical Parameters
| Parameter | Specification |
|---|---|
| Product Model | 1794-TB3S |
| Product Type | Safety terminal base unit |
| System Compatibility | FLEX I/O distributed system |
| Main Function | Secure field wiring interface |
| Terminal Type | Screw clamp terminals |
| Wiring Method | Removable terminal block system |
| Mounting Type | DIN rail mounting |
| Compatible Modules | Digital, analog, relay, communication modules |
| Electrical Interface | Industrial signal and power connection |
| Housing Material | Industrial thermoplastic reinforced structure |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 5% to 95% non-condensing |
| Shock Resistance | Industrial-grade design |
| Vibration Resistance | Industrial vibration protection |
| Installation Orientation | Horizontal mounting |
| Maintenance Method | Modular replacement design |
| Environmental Protection | Industrial enclosure compatible |
| Wiring Integrity | Enhanced safety structure |
| System Reliability Level | Improved stability design |
| Dimensions (L × W × H) | Approx. 94 mm × 94 mm × 69 mm |
| Weight | Approx. 0.20 kg |
6. Main Product Features
Safety-Oriented Wiring Structure
The 1794-TB3S is designed with enhanced wiring integrity to improve connection stability and reduce electrical faults.
This ensures safer operation in industrial automation systems.
Stable Electrical Performance
The terminal base provides consistent and reliable electrical connections between field wiring and I/O modules.
This improves signal transmission stability in demanding environments.
Modular Maintenance Capability
The removable terminal design allows fast module replacement without rewiring field connections.
This reduces downtime and improves maintenance efficiency.
Compact Industrial Design
The compact structure improves control cabinet space utilization and supports structured wiring layouts.
It is suitable for medium-density automation systems.
Strong Environmental Resistance
The unit is engineered for stable operation under vibration, humidity, temperature changes, and electrical noise.
It ensures long-term reliability in industrial environments.
7. Product Advantages
| Advantage | Description |
|---|---|
| Enhanced Wiring Safety | Improved connection stability |
| Reliable Electrical Interface | Stable signal transmission |
| Fast Module Replacement | Reduces maintenance downtime |
| Compact Structure | Saves installation space |
| Strong Durability | Suitable for harsh environments |
| High Compatibility | Supports FLEX I/O modules |
| Improved Wiring Organization | Structured layout design |
| Long Service Life | Industrial-grade construction |
8. Product Applications
The 1794-TB3S is widely used in industrial automation systems requiring reliable wiring structure, modular expansion, and distributed control architecture.
Typical applications include:
- Manufacturing automation systems
- Production line control systems
- Conveyor automation systems
- Packaging machinery
- Industrial robotics systems
- Automotive assembly lines
- Water treatment facilities
- Energy management systems
- Chemical processing systems
- Food and beverage production lines
- Pharmaceutical manufacturing systems
- Remote monitoring systems
It is suitable for applications requiring stable wiring and long-term operational reliability.
9. Recommended Models (Same Series or Related Models)
| Model | Description | Function Type | Compatibility | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1794-TB3 | Standard terminal base | Wiring interface base | FLEX I/O system | 94 × 94 × 69 | 0.19 |
| 1794-TB2 | Basic terminal base | Entry-level base | FLEX I/O modules | 94 × 94 × 69 | 0.18 |
| 1794-TB32 | High-density base | High wiring density | Distributed I/O | 94 × 94 × 69 | 0.21 |
| 1794-TB32S | Safety base unit | Safety wiring interface | FLEX I/O system | 94 × 94 × 69 | 0.22 |
| 1794-AENTR | Ethernet adapter module | Communication module | Network systems | 94 × 94 × 69 | 0.30 |
10. Recommended Popular Models (Same Brand)
| Model | Description | Product Type | Main Application | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1756-TBNH | Terminal block assembly | Control terminal system | Large automation systems | 132 × 95 × 45 | 0.22 |
| 1756-EN2TR | Ethernet communication module | Network module | Industrial Ethernet systems | 145 × 105 × 35 | 0.31 |
| 1769-L33ER | Compact PLC controller | Automation controller | Machine control systems | 118 × 87 × 87 | 0.35 |
| 1734-TB3 | Compact terminal base | Field wiring base | Distributed I/O systems | 56 × 12 × 75 | 0.08 |
| 1606-XLS240E | DIN rail power supply | Power module | Control cabinet systems | 123 × 50 × 120 | 0.70 |
11. System Integration Characteristics
The 1794-TB3S integrates seamlessly into FLEX I/O distributed automation systems.
It provides a secure and structured wiring interface for multiple I/O modules, ensuring stable signal transmission and electrical reliability.
The modular design supports flexible system expansion without redesigning existing wiring infrastructure.
It is suitable for both centralized and distributed industrial automation architectures requiring high stability and structured installation.
Its compatibility with FLEX I/O modules improves system scalability and configuration flexibility.
12. Conclusion
The 1794-TB3S is a safety-oriented industrial terminal base unit designed for distributed automation systems requiring stable wiring, modular flexibility, and reliable electrical performance.
Its compact structure, enhanced wiring integrity, and strong environmental resistance make it suitable for modern industrial control applications.
It is widely used in manufacturing, logistics, process automation, and industrial systems where reliable wiring structure and long-term operational stability are essential for performance and system reliability.