A-B 1794-TB32S Terminal Base Module

Allen-Bradley 1794-TB32S FLEX I/O Terminal Base Module

 

 

The Allen-Bradley 1794-TB32S is a 32-point FLEX I/O terminal base module used in the 1794 FLEX I/O distributed I/O system. It serves as the wiring interface between field devices and FLEX I/O modules, providing electrical connections, backplane communication, and mechanical support for the installed I/O module. It features spring-clamp terminals for quick, reliable wiring.

Key Specifications

• Model: 1794-TB32S
• Brand: Allen-Bradley (Rockwell Automation)
• Series: FLEX I/O 1794
• Product Type: Terminal Base Module
• Terminal Capacity: 32 I/O terminals
• Terminal Type: Spring-clamp
• Wire Size: 24–16 AWG (0.2–1.5 mm²)
• Maximum Voltage: 31.2V AC/DC
• Current Rating: 10 A
• Mounting: DIN rail
• Operating Temperature: −20°C to +70°C

What it does (Simple Explanation)

Field Devices (Sensors / Switches / Actuators)
↓
1794-TB32S Terminal Base
↓
1794 FLEX I/O Module
↓
FLEX I/O Adapter → PLC

The terminal base provides the wiring connections for field devices while allowing the I/O module to plug directly into the base.

Main Functions

• Provides wiring terminals for field I/O
• Supports installation of compatible FLEX I/O modules
• Connects field wiring to the FLEX I/O backplane
• Enables quick module replacement without removing field wiring
• Supports distributed I/O architectures

Key Features

• 32-point terminal base
• Spring-clamp wiring for fast installation
• DIN rail mounting
• Supports digital, analog, and specialty FLEX I/O modules
• Allows Removal and Insertion Under Power (RIUP) when supported by the system
• Rugged industrial design for reliable operation

Applications

• Factory automation
• Distributed I/O systems
• Machine control
• Packaging equipment
• Material handling systems
• Process automation
• Remote control cabinets