Product Summary
The 1794-TB3G Flex I/O Terminal Base Unit provides a rugged wiring foundation for your control system. This unit connects I/O modules to the bus. It supports up to 36 terminal points for field wiring. The unit handles 10A at 31.2V DC/AC reliably. It fits standard DIN rail or panel mounts.
Theme A: Product Procurement & Buyer Guide
Procurement managers need a terminal base that offers long-term reliability. The 1794-TB3G delivers this with a wide operating temperature range. It functions without de-rating from -20 to 70 degrees Celsius. This makes it suitable for harsh industrial environments. The unit also withstands 30G operational shock. It handles 5G vibration from 10 to 500 Hz. These specs ensure system uptime in demanding applications.
Application engineers value precise electrical specifications for design. This unit provides a maximum supply voltage of 31.2V DC/AC. It supports a continuous current of 10A at 50/60 Hz. The terminal screw torque is 0.56 to 0.79 Nm. This ensures secure connections for your field wiring. The unit uses copper wire sized 0.21 to 1.3 mm². It requires wire rated for 75 °C with 1.2 mm insulation. These details simplify the procurement and design process.
The unit offers strong electrical isolation for signal integrity. It provides a maximum 50V continuous voltage isolation. This uses basic insulation tested at 2121V DC for 60 seconds. This testing occurs between field wiring terminals and the FLEXBUS. Such isolation protects sensitive module electronics from noise. It also enhances overall system safety and reliability.
This terminal base supports a FLEXBUS current of 640mA at 5V DC. The maximum I/O terminal current is 2A. It has 10 chassis ground terminals for proper grounding. The unit also features 2 common and 2 positive voltage terminals. This configuration simplifies wiring for various I/O modules. It provides a clean and organized wiring solution.
The 1794-TB3G mounts easily on a panel or DIN rail. Its dimensions are 94 x 94 x 69 mm. The grounded screw clamp provides reliable I/O termination. This design ensures a stable mechanical and electrical connection. It reduces installation time and potential wiring errors. This makes it a practical choice for system integrators.
Theme D: Expert Technical Evaluation & Performance Review
The 1794-TB3G demonstrates robust environmental performance for critical systems. It operates within 5 to 95% non-condensing relative humidity. The storage temperature range is -40 to 85 degrees Celsius. This wide range allows for safe storage in various climates. The unit maintains standard functions under these harsh conditions. This ensures long-term operational stability in the field.
The unit provides a maximum supply voltage of 31.2V DC/AC. This accommodates common industrial power supply variations. The voltage rating is 24V DC/AC for standard applications. The unit handles a communication terminal rating of 125V DC/AC. This flexibility allows integration into diverse control architectures. It ensures compatibility with existing plant infrastructure.
The terminal base uses a grounded screw clamp for wiring connections. The terminal screw torque specification is 0.56 to 0.79 Nm. This precise torque range prevents damage to the wire. It also ensures a low-resistance connection for reliable signal transfer. This attention to detail is critical for high-accuracy analog signals. It reduces the potential for intermittent faults in the system.
This base unit provides 36 maximum input/output terminal points. It includes 2 common terminals and 2 positive voltage terminals. It also features 10 chassis ground terminals for safety. This layout supports organized wiring for high-density I/O modules. It simplifies troubleshooting and maintenance over the system life. This design improves overall system maintainability.
The 1794-TB3G provides a FLEXBUS current of 640mA at 5V DC. The maximum I/O terminal current is 2A. This power distribution is essential for powering connected modules. The unit uses copper wire sized 0.21 to 1.3 mm². This wire must be rated at 75 °C with 1.2 mm insulation. Adhering to these specs guarantees safe and reliable operation.
Logistics & Standard Packaging Details
- One (1) Allen-Bradley 1794-TB3G Flex I/O Terminal Base Unit
- Standard mounting hardware for DIN rail or panel installation
- Product documentation and installation guide
Express delivery shipping is available via FedEx, UPS, and DHL.
