Allen-Bradley 1734-TBS POINT I/O Terminal Base

Allen-Bradley 1734-TBS POINT I/O Terminal Base The Allen-Bradley 1734-TBS, also cataloged as the 1734-TBS Terminal Base Unit, operates as a dedicated hardware component for field wiring termination within POINT I/O 1734 networks. It provides secure spring-clamp connections for up to 8 terminals, enabling reliable interfacing between field devices and I/O modules. Hardware Specifications Parameter Specification Model 1734-TBS Brand Allen-Bradley Product Type Terminal Base Unit Product Line Point I/O 1734 Clamp Type Spring-Clamp Number of Terminals 8 Screw Torque 0.6 Nm Weight 0.25 lbs Dimensions Not specified Operating Temperature -20 to 55 deg C Non-Operating Temperature -40 to 85 deg C Non-Condensing Relative Humidity 5 to 95 % Maximum Operating Shock 30 G Maximum Non-Operating Shock 50 G Maximum Vibration 5 G at 10-500 Hz Enclosure Type Open Type Spare Part / Accessory Yes Origin Allen-Bradley Manufacturing I/O Density Scaling and Backplane Communication The 1734-TBS terminal base supports modular I/O density scaling by providing a consistent electrical and mechanical interface between field wiring and POINT I/O modules. Its spring-clamp design maintains stable contact under vibration and shock conditions. The unit contributes to reliable backplane bus communication within the POINT I/O 1734 architecture, ensuring deterministic signal propagation and maintaining module alignment. Frequently Asked Questions (FAQ) Q: Can the 1734-TBS terminals accommodate both solid and stranded conductors? A: Yes, the spring-clamp design supports standard field wiring, including both solid and stranded copper conductors within the rated cross-section. Q: Is the 1734-TBS rated for harsh environmental conditions? A: The terminal base operates between -20 to 55 deg C and can withstand non-condensing relative humidity from 5 to 95 %. It tolerates shock up to 30 G and vibration up to 5 G within 10-500 Hz. Q: Does the terminal base require any maintenance after installation? A: Routine inspection of spring-clamp terminals is recommended to ensure mechanical integrity, especially in high-vibration installations. Field Installation Guidelines Mount the 1734-TBS on a properly secured DIN rail compatible with POINT I/O modules. Route wiring separately from high-current power lines to minimize electromagnetic interference. Use only copper conductors within the acceptable wire gauge for spring-clamp terminations. Tighten screw torque to the specified 0.6 Nm if applicable for auxiliary fasteners. Ensure environmental conditions fall within the specified operating temperature and humidity ranges. Avoid exposure to moisture or condensing environments unless the terminal is housed in a protective enclosure. Confirm all wiring connections are secure before energizing the network. Maintain clearance for vibration absorption and module removal without disturbing adjacent connections.