Triconex 3850E Digital Input Module 120 V AC/DC 32 Points

Description

The Triconex 3850E is a high-density 32-point digital input module designed for the Trident and Tricon safety systems. It monitors discrete signals from 120 V AC/DC field devices, utilizing Triple Modular Redundancy (TMR) to ensure maximum safety and fault tolerance in critical industrial applications.

Specifications

• Manufacturer: Schneider Electric (Triconex).

• Country of Origin: USA.

• Model Number: 3850E.

• Input Points: 32 points, commoned in groups.

• Voltage Range: 90 to 155 V AC/DC nominal.

• Physical Weight: Approximately 1.1 kg (2.4 lbs).

• Dimensions: 4.5" x 1.2" x 7.3" (114 mm x 30 mm x 185 mm).

• Input Delay: 10 ms maximum for signal filtering.

• Power Consumption: Less than 5 Watts at nominal voltage.

• Isolation Rating: 1500 Vrms point-to-logic.

• Safety Certification: TÜV certified for SIL3.

Features

• Triple Modular Redundancy: Processes each input through three independent channels to provide hardware fault tolerance.

• Continuous Self-Testing: Performs automated background diagnostics to identify and report internal component failures.

• Hot-Swappable Capability: Enables the replacement of the module while the system is online without interrupting the process control.

• Optical Isolation: Uses light-based isolation to protect internal logic circuits from field-side electrical noise and high-voltage surges.

• Status Indicators: Includes front-panel LEDs for individual point status and overall module health for efficient troubleshooting.

• Conformal Coating: Standard protection against moisture and chemical contaminants common in harsh industrial environments.