Allen Bradley 1794-TBN Flex I/O Terminal Base Unit
Allen Bradley 1794-TBN Flex I/O Terminal Base Unit
0.0
Points
Brand:Allen Bradley PLC Item No.:1794-TBN Product Origin:USA Product Dimensions:94 x 94 x 69 mm Product Weight:0.2 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Allen-Bradley 1794-TBN Flex I/O Terminal Base Unit is an essential infrastructure component in distributed automation systems. It provides a reliable and structured wiring interface for Flex I/O modules, enabling seamless integration between field devices and PLC-based control systems.
Its screw-clamp design ensures strong mechanical and electrical connections, while its modular architecture allows efficient system expansion and maintenance. The 1794-TBN is widely used in industrial environments where stable signal transmission and flexible I/O configuration are critical for operational performance.
Technical Specifications
Parameter
Specification
Product Model
1794-TBN
Product Type
Flex I/O Terminal Base Unit
Brand
Allen-Bradley
Function
Field wiring termination for Flex I/O modules
System Compatibility
Flex I/O distributed control systems
Termination Type
Screw-clamp
Signal Support
Analog & digital (module dependent)
Mounting
DIN rail / panel mount
Dimensions
94 × 94 × 69 mm
Weight
0.2 kg
Applications
The Allen-Bradley 1794-TBN Flex I/O Terminal Base Unit is a key wiring interface component used in modular industrial automation systems. It provides a standardized termination point for Flex I/O modules, enabling flexible and scalable distributed control architectures.
Typical applications include:
PLC-based distributed I/O systems
Industrial machine automation and control panels
Process control and manufacturing lines
Motor control and auxiliary signal wiring
PowerFlex-integrated automation systems
Remote I/O signal termination for sensors and actuators
Factory automation and material handling systems
Energy and utility monitoring systems
Advantages
Screw-clamp terminal design ensures strong and reliable wiring connections
Supports high-density modular I/O system architecture
Simplifies installation and reduces wiring complexity
Provides stable electrical interface for Flex I/O modules
Designed for industrial vibration and harsh environments
Allows easy module replacement without rewiring field connections
Compatible with a wide range of Flex I/O analog and digital modules
Improves maintenance efficiency and system scalability
Robust construction ensures long-term operational reliability
Standardized design across Allen-Bradley Flex I/O family
Technical FAQs
1. What is the function of the 1794-TBN?
It serves as a terminal base unit providing field wiring connections for Flex I/O modules.
2. Is it an active electronic module?
No, it is a passive wiring base used for signal termination and distribution.
3. What type of terminals does it use?
It uses screw-clamp terminals for secure and stable connections.
4. Can it support both analog and digital I/O modules?
Yes, depending on the installed Flex I/O module type.
5. Is it compatible with all Flex I/O systems?
It is compatible with most standard Allen-Bradley Flex I/O architectures.
6. Does it require external power?
No, it receives power through the Flex I/O backplane and system configuration.
7. Can modules be replaced without rewiring?
Yes, the modular design allows easy replacement while keeping field wiring intact.
8. Is it suitable for industrial environments?
Yes, it is designed for vibration, temperature variation, and electrical noise resistance.
9. What is the role of this base in automation systems?
It acts as the physical interface between field devices and I/O modules.
10. Why are different TB versions used in Flex I/O systems?
Different TB models support different wiring schemes, current ratings, and module configurations for system flexibility and safety.
