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- Allen Bradley
- 1794-TBNF
- ControlNet Flex I/O Adapter Module
- USA
- 94 mm × 94 mm × 69 mm
- 0.18kg
- Xiamen, China
- New & In Stock
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- 1 Year
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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-TBNF
1. Product Overview
The 1794-TBNF is an industrial terminal base unit designed for distributed I/O systems used in automation and process control environments.
It provides a stable mechanical and electrical interface between field wiring and FLEX I/O modules, ensuring reliable signal transmission and secure module installation.
This model is commonly used in industrial systems that require structured wiring layout, modular expansion capability, and simplified maintenance procedures.
It is designed for continuous operation in harsh industrial environments such as vibration, electrical interference, humidity, and temperature fluctuations.
The 1794-TBNF is suitable for medium-density distributed control applications requiring reliable wiring organization and flexible system configuration.
2. Brand Information
| Item | Details |
|---|---|
| Brand | Allen Bradley |
| Product Model | 1794-TBNF |
| 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-TBNF 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 a wide range of modules including digital, analog, relay, communication, and specialty types.
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 network compatibility
4. Product Introduction
The 1794-TBNF is a standard industrial terminal base unit designed to provide secure and stable field wiring connections for FLEX I/O modules.
It ensures consistent electrical contact between field devices and control system modules, enabling reliable signal transmission in distributed automation systems.
This model is suitable for applications requiring structured 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 design ensures stable operation under vibration, temperature variation, humidity, and electrical noise conditions.
The compact structure supports efficient control cabinet layout and organized wiring distribution in automation systems.
5. Technical Parameters
| Parameter | Specification |
|---|---|
| Product Model | 1794-TBNF |
| 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 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 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 | Optimized FLEX I/O layout |
| Dimensions (L × W × H) | Approx. 94 mm × 94 mm × 69 mm |
| Weight | Approx. 0.18 kg |
6. Main Product Features
Stable Wiring Interface
The 1794-TBNF 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 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 to withstand vibration, temperature variation, humidity, and electrical noise.
It ensures stable long-term operation in industrial environments.
Flexible System Integration
The terminal base supports multiple FLEX I/O module types, enabling scalable system configuration and expansion.
7. Product Advantages
| Advantage | Description |
|---|---|
| Reliable Electrical Connection | Stable signal transmission |
| Fast Module Replacement | Reduces downtime |
| Compact Structure | Saves installation space |
| Strong Durability | Suitable for harsh environments |
| High Compatibility | Works with FLEX I/O modules |
| Improved Wiring Organization | Structured system layout |
| Long Service Life | Industrial-grade construction |
| Flexible Expansion | Supports scalable automation systems |
8. Product Applications
The 1794-TBNF 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-TBNF 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 organization.
The modular design enables flexible system expansion without modifying 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-TBNF 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.