Allen Bradley 1790D-T8BV8B CompactBlock LDX I/O Base Block Module

Product Introduction

The Allen-Bradley 1790D-T8BV8B CompactBlock LDX I/O Base Block Module is a compact distributed I/O module designed for machine-level automation and decentralized control applications. Manufactured by Rockwell Automation under the Allen-Bradley product family, the module belongs to the CompactBlock LDX series and provides a practical solution for collecting and controlling digital signals close to field devices.

The module integrates 8 digital inputs and 8 digital outputs in a single compact base block. The input channels support 24 VDC sinking or sourcing signals, while the output channels provide 24 VDC sourcing outputs for controlling actuators and field devices. This combination allows the module to handle both signal acquisition and control tasks within a single device.

Designed for compact machine panels, the 1790D-T8BV8B simplifies wiring by using integrated screw-clamp terminal connectors, making field installation more efficient. The module also supports connection of up to three CompactBlock LDX expansion blocks, enabling system expansion without major changes to the control architecture.

With its compact size and integrated functionality, the module is well suited for distributed I/O applications where space efficiency, simplified wiring, and reliable signal handling are required.

Product Specifications

Applications

• Machine Automation Equipment
Used to collect sensor signals and control actuators in automated machinery.

• Packaging and Processing Machines
Handles digital input signals from detection sensors and provides output control for equipment.

• Material Handling Systems
Monitors status signals from conveyors while controlling motors or solenoid devices.

• OEM Industrial Machines
Integrated into machine control panels where compact I/O modules are required.

• Distributed Control Architectures
Provides local signal processing close to field devices in decentralized I/O systems.

• Factory Automation Systems
Used to manage input monitoring and output control functions in production equipment.

Advantages

• Integrated I/O Design
Combines digital input and output channels in one module, reducing the number of separate devices required.

• Compact Mechanical Structure
Small installation size allows the module to fit easily into limited panel space.

• Flexible Sensor Compatibility
Supports both sinking and sourcing input signals for connection with various industrial sensors.

• Reliable Output Control
24 VDC sourcing outputs allow the module to control actuators such as relays, valves, and indicators.

• Expandable System Architecture
Supports connection of additional CompactBlock LDX expansion modules to increase I/O capacity.

• Simple Installation and Wiring
Screw-clamp connectors provide secure wiring and simplify field installation.

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