Allen Bradley 1790D-TN4V0 CompactBlock LDX I/O Base Block Module

Product Introduction

The Allen-Bradley 1790D-TN4V0 CompactBlock LDX I/O Base Block Module is a compact analog input module designed for distributed industrial automation systems. Developed by Rockwell Automation under the Allen-Bradley product family, the module belongs to the CompactBlock LDX series and provides reliable analog signal acquisition for machine-level control applications.

The module features 4 single-ended analog input channels capable of receiving 0–10 VDC signals from industrial sensors and measurement devices. These inputs allow the control system to monitor variable process values such as position, pressure, speed, or level signals generated by analog transmitters.

Designed for DeviceNet distributed networks, the 1790D-TN4V0 enables analog data to be collected close to field equipment and transmitted to the control system through the network. This architecture reduces long analog wiring runs and improves overall system installation efficiency.

With its compact size, open-style construction, and IP20 enclosure rating, the module is suitable for installation inside industrial control cabinets. The combination of reliable analog measurement capability and compact mechanical design makes the module suitable for many industrial monitoring and automation applications.

Product Specifications

Applications

• Industrial Process Monitoring
Used to acquire analog signals from transmitters measuring pressure, temperature, or level values.

• Machine Automation Systems
Collects variable sensor signals such as position feedback or speed reference signals.

• DeviceNet Distributed Control Systems
Provides analog signal acquisition for decentralized automation architectures.

• OEM Equipment Integration
Installed in machine control panels where compact analog input modules are required.

• Manufacturing Process Control
Used to monitor process variables within automated production equipment.

• Factory Automation Monitoring
Captures analog data from sensors used in industrial monitoring and control systems.

Advantages

• Compact Mechanical Design
Small form factor allows installation in limited control panel space.

• Reliable Analog Signal Acquisition
Four analog input channels provide accurate monitoring of voltage-based sensor signals.

• DeviceNet Network Integration
Designed for distributed I/O architectures using DeviceNet communication.

• Reduced Wiring Complexity
Analog signals can be collected close to sensors, minimizing long cable runs.

• Flexible Industrial Applications
Compatible with many analog measurement devices used in industrial automation.

• Stable Industrial Performance
Designed for continuous operation in demanding factory environments.

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