Product Introduction
The Allen Bradley 1794-TB3G Flex I/O Terminal Base Unit is a grounded terminal base designed for FLEX I/O systems, providing secure and reliable connections for industrial field wiring. It serves as the interface between I/O modules and external devices, ensuring stable signal transmission while enhancing system grounding and electrical safety.
This model features 36 I/O terminals along with 2 common terminals and 2 voltage terminals, offering a balanced configuration for various automation applications. The grounded design improves noise immunity and reduces electrical interference, making it particularly suitable for environments where signal integrity is critical.
Equipped with screw-clamp terminals, the 1794-TB3G ensures strong and stable wiring connections, even in vibration-prone industrial conditions. Its open-style structure and DIN rail mounting capability make installation, inspection, and maintenance straightforward, supporting efficient control panel integration.
Product Specifications
| Parameter |
Value |
| Product Type |
Flex I/O Terminal Base Unit |
| System Compatibility |
Allen Bradley FLEX I/O System |
| Total I/O Terminals |
36 |
| Common Terminals |
2 |
| Voltage Terminals |
2 |
| Grounding |
Grounded Design |
| Terminal Type |
Screw-Clamp |
| Mounting Type |
DIN Rail Mount |
| Style |
Open Style |
| Ingress Protection |
IP20 |
| Dimensions |
94 × 94 × 69 mm |
| Weight |
0.25 kg |
Applications
• Grounded I/O wiring systems for improved signal stability in industrial automation
• Process control environments where electrical noise reduction is important
• Factory automation systems requiring reliable and secure wiring connections
• Distributed I/O architectures with grounding requirements for safety and performance
• Control panel installations using DIN rail mounting
• Suitable for manufacturing, energy, and heavy industrial applications
Advantages
• Grounded design enhances noise immunity and improves signal stability
• Screw-clamp terminals provide secure and vibration-resistant wiring connections
• Optimized terminal distribution supports flexible wiring configurations
• Open-style construction allows easy inspection and maintenance
• DIN rail mounting simplifies installation and panel organization
• Strong compatibility with FLEX I/O modules for scalable system design
FAQ
1. What is the main purpose of the 1794-TB3G terminal base?
It provides a grounded interface for connecting FLEX I/O modules to field devices, improving signal reliability and system stability.
2. How does grounding improve performance?
Grounding reduces electrical noise and interference, ensuring more stable and accurate signal transmission.
3. What type of terminals are used in this unit?
It uses screw-clamp terminals, which provide secure and durable connections for industrial wiring.
4. How many connections are available on this unit?
It offers 36 I/O terminals along with 2 common and 2 voltage terminals.
5. Is it suitable for noise-sensitive applications?
Yes, the grounded design makes it ideal for environments where signal integrity is critical.
6. How is the unit installed in a control panel?
It is mounted on a standard DIN rail, allowing easy and organized installation.
7. Can it be used with all FLEX I/O modules?
It is compatible with most FLEX I/O modules, but specific compatibility should be confirmed for each application.
8. What maintenance is required for this terminal base?
Minimal maintenance is needed; periodic inspection of wiring and grounding connections is recommended.
9. Does the open-style design affect durability?
No, it maintains industrial durability while allowing easy access for inspection and maintenance.
10. What are the key benefits of this model?
It offers improved noise resistance, reliable connections, flexible wiring, and easy integration into industrial systems.
Related Models
| Model |
Description |
| 1794-TB3 |
Standard Flex I/O Terminal Base |
| 1794-TB32 |
32-Point Terminal Base |
| 1794-TB32S |
Spring-Clamp Terminal Base |
| 1794-TB2 |
16-Point Terminal Base |
| 1794-TB37DS |
D-Shell Connector Terminal Base |
| 1794-TB6 |
High-density FLEX I/O Terminal Base |
Popular Models
| Model |
Description |
| 1794-IB16 |
FLEX I/O 16-Channel Input Module |
| 1794-OB16 |
FLEX I/O 16-Channel Output Module |
| 1794-IA16 |
FLEX I/O Analog Input Module |
| 1794-OA16 |
FLEX I/O Analog Output Module |
| 1794-IB8 |
FLEX I/O 8-Channel Input Module |
| 1794-OB8 |
FLEX I/O 8-Channel Output Module |
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