TRICONEX 3401Product Introduction
Brand: Triconex (Schneider Electric)
Model: 3401
Product Name: High Density Digital Input Module
Origin: United States
HS Code: 85389000
Dimension: 342 mm × 31 mm × 262 mm
Weight: 0.48 kg
Operating Temperature: 0°C to +60°C
Storage Temperature: -40°C to +85°C
Rated Supply Voltage: Backplane 5 V DC, field 24 V DC
Rated Operating Current: 410 mA @ 5 V DC
Relative Humidity: 5% to 95%, non-condensing
Ingress Protection: IP20 for cabinet installation
High channel count digital input with TMR voting
24 V DC contact input signal type
Per-channel open circuit and short circuit detection
Front panel LED status indication
Supports hot swap operation
SIL 3 capable for safety instrumented functions
Suitable for large point-count safety systems
Backplane isolation between field and safety core
Compatible with Tricon v9 rack system
Compliant with IEC 61508, CE and UL certification
FAQ for TRICONEX 3401
Q1: Is 3401 suitable for cabinet status alarm signal collection?
A1: Yes, it is widely used to gather many discrete status and alarm contact signals for fire and gas and ESD systems.
Q2: Does 3401 support AC input signals?
A2: No, this module only accepts 24 V DC digital input.
Q3: Can single channel fault cause the whole module to stop working?
A3: No. Single channel fault triggers alarm; the rest channels keep working under TMR voting control
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