Allen-Bradley 1794-TB62DS Flex I/O Terminal Base Unit

Availability: 1 left in stock

Description The Allen-Bradley 1794-TB62DS is an ultra-high-density, 62-pin D-Shell terminal base unit designed for the Flex I/O 1794 modular platform....

SKU: 1794-TB62DS

Manufacturer: Allen-Bradley
Product No.: 1794-TB62DS
Product Type: Terminal Base Unit
Product Origin: USA
Payment:T/T, Western Union
Weight: 170g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Description

The Allen-Bradley 1794-TB62DS is an ultra-high-density, 62-pin D-Shell terminal base unit designed for the Flex I/O 1794 modular platform. Unlike standard terminal bases that rely on individual screw or spring-clamp terminals, this unit features a high-density DB-62 D-Sub female connector interface. It serves as the mechanical and electrical foundation for multi-point discrete and analog Flex I/O modules, facilitating rapid deployment and simplified maintenance.

By consolidating field wiring into a single pre-fabricated cable harness, the 1794-TB62DS significantly reduces cabinet assembly time and minimizes wiring errors. It is an ideal solution for high-density I/O applications where space is constrained and rapid module replacement is required.

Features

High-Density Interface: Equipped with a 62-pin D-Shell (DB-62) female connector for streamlined multi-core cable connectivity.
Dual Power Zones: Supports independent V1 and V2 power routing, allowing for flexible voltage source management within a single base.
FlexBus Integration: Features an integrated backplane rail to pass system data and logic power horizontally across the rack.
Mechanical Interlock: Includes a rotatable keyswitch guide to ensure correct module alignment and prevent improper installation.
Robust Construction: Rated for a 10 A aggregate current capacity with a 5 A per-pin threshold.

Applications

The 1794-TB62DS is widely utilized in industrial automation environments requiring high-density signal termination, such as:

Remote I/O marshalling panels.
Automated assembly lines and material handling systems.
Complex process control skids requiring rapid I/O reconfiguration.
Control cabinets with limited space for traditional terminal blocks.

Technical Specifications

Parameter	Specification
Model	1794-TB62DS
Connection Type	62-Pin D-Sub Female
Max Current (Aggregate)	10 A
Max Current (Per Pin)	5 A
Nominal Voltage	24 V DC
Mounting	35 mm DIN-Rail
Operating Temperature	0 to 55 degC
Weight	0.17 kg

Installation Guidelines

Mounting: Snap the base unit directly onto a standard 35 x 7.5 mm Top-Hat DIN-rail. Ensure the unit is securely seated.
ESD Precautions: Always handle the module using proper electrostatic discharge (ESD) prevention techniques to protect internal circuitry.
Power: Ensure all system power is disconnected before installing or removing modules from the base.
Wiring: When connecting the D-Shell cable, ensure the connector is fully seated and the mounting screws are tightened to a torque of 0.6 Nm (5 lb-in) to maintain a gas-tight connection.
Keyswitch: Verify the mechanical keyswitch is set to the position corresponding to the intended I/O module before mating.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.