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- Allen Bradley
- 1794-TBN
- ControlNet Flex I/O Adapter Module
- USA
- 94 mm × 94 mm × 69 mm
- 0.17kg
- Xiamen, China
- New & In Stock
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- 1 Year
- 1-3 Working Days
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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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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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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-TBN
1. Product Overview
The 1794-TBN is an industrial terminal base unit designed for distributed I/O systems used in automation and process control environments.
It provides a stable electrical and mechanical interface between field wiring and modular I/O modules, enabling reliable signal transmission and secure module mounting within FLEX I/O architectures.
This model is widely used in industrial applications where structured wiring distribution, modular flexibility, and efficient maintenance are required.
It is designed for continuous operation in harsh industrial environments including vibration, electrical noise, humidity, and temperature variation.
The 1794-TBN supports scalable distributed automation systems and is commonly used in medium-density control cabinet installations.
2. Brand Information
| Item | Details |
|---|---|
| Brand | Allen Bradley |
| Product Model | 1794-TBN |
| Product Type | 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-TBN belongs to the FLEX I/O distributed automation system series.
This series is designed for modular industrial control systems requiring flexible configuration, distributed I/O architecture, 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 multiple module types including digital, analog, relay, communication, and specialty modules.
Key characteristics of the series include:
- Distributed modular architecture
- High scalability and flexibility
- Compact industrial design
- Simplified wiring structure
- Strong environmental resistance
- Efficient maintenance capability
- Industrial communication compatibility
4. Product Introduction
The 1794-TBN is a standard industrial terminal base unit designed to provide secure field wiring connections for FLEX I/O modules.
It ensures stable electrical contact between field devices and control system modules, enabling reliable signal transmission in distributed automation systems.
This model is suitable for applications requiring consistent wiring organization and modular system expansion.
The removable terminal structure allows fast replacement of I/O modules without disconnecting field wiring, improving maintenance efficiency and reducing downtime.
Its rugged industrial construction ensures stable operation in environments with vibration, humidity, heat, and electrical noise.
The compact structure supports efficient cabinet layout and structured wiring distribution in industrial control systems.
5. Technical Parameters
| Parameter | Specification |
|---|---|
| Product Model | 1794-TBN |
| Product Type | Terminal base unit |
| System Compatibility | FLEX I/O distributed system |
| Main Function | Field wiring interface and module mounting |
| 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 |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 5% to 95% non-condensing |
| Shock Resistance | Industrial shock-rated |
| Vibration Resistance | Industrial vibration protection |
| Installation Orientation | Horizontal mounting |
| Maintenance Method | Modular replacement design |
| Environmental Protection | Industrial enclosure compatible |
| Wiring Structure | Standard density configuration |
| Terminal Layout | Standard FLEX I/O alignment |
| Dimensions (L × W × H) | Approx. 94 mm × 94 mm × 69 mm |
| Weight | Approx. 0.17 kg |
6. Main Product Features
Stable Wiring Interface
The 1794-TBN provides secure and stable electrical connections between field wiring and I/O modules.
This ensures reliable signal transmission in industrial automation systems.
Modular Maintenance Capability
The removable terminal structure allows fast module replacement without rewiring field connections.
This significantly reduces maintenance time and system downtime.
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 designed to withstand vibration, temperature variation, humidity, and electrical noise.
It ensures long-term operational stability in industrial environments.
Flexible System Integration
The terminal base supports multiple FLEX I/O module types, enabling scalable system configuration and flexible expansion.
7. Product Advantages
| Advantage | Description |
|---|---|
| Reliable Electrical Connection | Stable signal transmission |
| Fast Module Replacement | Reduces maintenance time |
| Compact Structure | Saves installation space |
| Strong Durability | Suitable for harsh environments |
| High Compatibility | Works with FLEX I/O modules |
| Improved Wiring Organization | Structured layout design |
| Long Service Life | Industrial-grade construction |
| Flexible Expansion | Supports scalable automation systems |
8. Product Applications
The 1794-TBN is widely used in industrial automation systems requiring structured wiring and distributed I/O 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 structure and long-term operational reliability.
9. Recommended Models (Same Series or Related Models)
| Model | Description | Function Type | Compatibility | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1794-TB3 | Terminal base unit | Standard wiring 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-TBN integrates seamlessly into FLEX I/O distributed automation systems.
It provides a stable wiring interface for multiple I/O modules, ensuring reliable signal transmission and structured system layout.
The modular design allows flexible system expansion without redesigning existing wiring infrastructure.
It supports both centralized and distributed industrial automation architectures.
Its compatibility with FLEX I/O modules enhances system scalability and installation flexibility.
12. Conclusion
The 1794-TBN is a reliable industrial terminal base unit designed for distributed automation systems requiring stable wiring interfaces, modular flexibility, and efficient installation.
Its compact structure, strong environmental durability, and compatibility with FLEX I/O modules make it suitable for modern industrial control applications.
It is widely used in manufacturing, logistics, process automation, and industrial systems where stable wiring structure and long-term operational reliability are essential for system performance.