Allen-Bradley 1790D-TN4C0 – analog input module

The Allen-Bradley 1790D-TN4C0 is a CompactBlock LDX analog input module designed for compact distributed I/O applications in industrial automation systems. It provides 4 input channels for measuring analog signals from sensors and transmitters.

The module offers reliable signal acquisition and integrates easily into distributed control systems, making it suitable for space-limited installations.

Technical overview:
• Series: CompactBlock LDX
• Module type: analog input module (AI)
• Model: 1790D-TN4C0
• Number of inputs: 4 channels
• Input type: analog (current/voltage)
• Signal range: typically 4–20 mA / 0–10 V
• Integration: distributed I/O systems
• Mounting: compact block installation
• Protection class: IP20
• Operating temperature: approx. –20°C to +55°C

Typical applications:
• Sensor signal acquisition
• Compact automation systems
• Distributed I/O applications
• Machine control
• Process monitoring

About the manufacturer:
Allen-Bradley, part of Rockwell Automation, is a global leader in industrial automation technologies, offering PLC systems, I/O modules and control solutions used worldwide.