Triconex 7400056‑380 Digital Input Module | High-Safety DI Module

Product Description

Overview

The Triconex 7400056‑380 is a high-reliability digital input module designed for industrial safety applications.
It acquires discrete signals from field devices such as pushbuttons, limit switches, and contact closures.
Moreover, its Triple Modular Redundancy (TMR) architecture ensures continuous operation and fault tolerance.
This module is SIL 3 certified, making it suitable for safety-critical systems in chemical, petrochemical, and power industries.
Engineered for industrial environments, the 7400056‑380 maintains high performance under extreme conditions.

Technical Specifications

• Product Type: Digital Input Module

• Model Number: 7400056‑380

• Manufacturer: Schneider Electric (Triconex brand)

• System Compatibility: Triconex SIS (Tricon/Trident platforms)

• Architecture: Triple Modular Redundancy (TMR)

• Number of Channels: 32 isolated digital input channels

• Input Signal Types: Dry contact, 24 VDC logic signals

• Input Voltage Range: 18–32 VDC typical

• Input Current: ~7 mA per channel

• Isolation: Channel-to-channel and channel-to-system

• Safety Integrity Level: SIL 3 compliant

• Certifications: UL, ATEX, IECEx, CE

• Diagnostics: Built-in self-diagnostics, fault detection, redundancy monitoring

• Operating Temperature: –20 °C to +60 °C

• Storage Temperature: –40 °C to +85 °C

• Humidity Range: 5–95% RH (non-condensing)

• Dimensions (H × W × D): 187 × 114 × 25 mm

• Weight: 2 kg

FAQ

Q1: How many input channels does the 7400056‑380 support?
The module provides 32 isolated digital input channels for high-density monitoring.

Q2: Which signal types are compatible?
It supports both dry contact and 24 VDC logic signals for flexible system integration.

Q3: Is the module suitable for safety-critical applications?
Yes, it is SIL 3 certified and fully compatible with Triconex SIS systems.

Q4: What is the operating temperature range?
The 7400056‑380 operates reliably from –20 °C to +60 °C.

Q5: Does it include diagnostic features?
Yes, it offers real-time fault detection, redundancy monitoring, and built-in self-diagnostics.