
Product Introduction
The Allen Bradley 1794-TB2 Flex I/O Terminal Base Unit is an essential component of the FLEX I/O system, providing a secure and organized interface between I/O modules and field devices. This terminal base serves as the mounting and wiring hub, enabling reliable connections for sensors, actuators, and other industrial automation devices.
Designed for modularity, the 1794-TB2 allows easy installation on standard DIN rails and supports a wide range of FLEX I/O modules. Its screw clamp terminals and open-style construction ensure secure electrical connections while simplifying wiring and maintenance tasks. With a compact footprint and industrial-grade design, it is ideal for applications where flexibility, reliability, and organized wiring are critical.
This terminal base supports 16 I/O terminals, 8 common terminals, and 2 voltage terminals, making it versatile enough for numerous industrial automation setups including process control, machinery monitoring, and factory automation. Its IP20 rating provides protection against solid objects while allowing convenient field access.
Product Specifications
| Parameter |
Value |
| Product Type |
Flex I/O Terminal Base Unit |
| System Compatibility |
Allen Bradley FLEX I/O System |
| Total I/O Terminals |
16 |
| Common Terminals |
8 |
| Voltage Terminals |
2 |
| Terminal Type |
Screw Clamp |
| Mounting Type |
DIN Rail Mount |
| Style |
Open Style |
| Ingress Protection |
IP20 |
| Dimensions |
94 × 94 × 69 mm |
| Weight |
0.2 kg |
Applications
• Connecting field devices to FLEX I/O modules in industrial automation systems
• Process control systems requiring modular and flexible I/O wiring
• Factory automation applications for monitoring and controlling machinery
• Integration of sensors and actuators in distributed I/O systems
• Efficient DIN rail installation in control cabinets and panels
• Suitable for manufacturing, oil & gas, and process industries where reliable I/O connections are required
Advantages
• Modular design allows system expansion and flexibility
• Screw clamp terminals ensure secure and reliable electrical connections
• Open-style construction facilitates easy inspection and maintenance
• Compact and DIN rail mountable for space-efficient installation
• Wide compatibility with FLEX I/O modules across multiple applications
• IP20 rated to protect connections from accidental contact
FAQ
1. What is the primary function of the 1794-TB2 terminal base?
It provides a mounting and wiring hub for FLEX I/O modules, connecting sensors, actuators, and other field devices to the automation system.
2. How many I/O terminals does it provide?
The unit supports 16 I/O terminals, 8 common terminals, and 2 dedicated voltage terminals for flexible wiring.
3. What type of terminals are used in this unit?
It uses screw clamp terminals to provide secure and vibration-resistant connections.
4. How is it installed in a control system?
It mounts easily on a standard DIN rail, enabling organized and compact installation in control panels.
5. Can it be used in industrial environments?
Yes, it is designed for industrial use with an IP20 rating, protecting connections from solid objects and incidental contact.
6. Does it support both input and output modules?
Yes, it is compatible with both input and output FLEX I/O modules.
7. How does the open-style design benefit maintenance?
It allows visual inspection of connections and easy access for rewiring or troubleshooting.
8. Can multiple units be connected to expand I/O capacity?
Yes, multiple 1794-TB2 units can be used together to increase the system’s I/O capability.
9. Is it compatible with all FLEX I/O modules?
It is compatible with most FLEX I/O modules; however, checking module-specific compatibility is recommended.
10. What are the main benefits of using this terminal base?
It provides secure, organized connections, simplifies installation and maintenance, and supports reliable operation of FLEX I/O automation systems.
Related Models
| Model |
Description |
| 1794-TB |
Standard FLEX I/O Terminal Base |
| 1794-TB1 |
FLEX I/O Terminal Base with 8 I/O Terminals |
| 1794-TB3 |
Extended FLEX I/O Terminal Base |
| 1794-TB4 |
Terminal Base with integrated power connections |
| 1794-TB5 |
Specialized Terminal Base for advanced I/O |
| 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 |
Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express.
We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.
As for the delivery time, when we receive your order requirements, we will arrange for warehouse personnel to test and verify the products. After you place the order, we will send it to you within 24 hours.