Triconex 3505E 24 VDC Digital Input Module

Product Description

The 3505E Digital Input Module from Triconex is designed for safety‑critical control applications, providing reliable monitoring of 24 VDC signals. It integrates seamlessly into Triconex’s triple modular redundancy (TMR) architecture, ensuring fault‑tolerant operation in demanding industrial environments.

Technical Specifications

• Manufacturer: Triconex (Invensys / Schneider Electric)

• Product Number: 3505E

• Product Type: Digital Input Module

• Input Voltage: 24 VDC nominal

• Channels: 32 isolated digital input channels

• Input Current: ~7 mA per channel

• Isolation: 1000 VDC channel‑to‑channel and channel‑to‑backplane

• Diagnostics: Built‑in self‑test and LED indicators for channel health

• Hot‑Swap Capability: Yes, supports online replacement

• Operating Temperature: –40 °C to +70 °C

• Environmental Protection: Conforms to IEC standards for industrial safety systems

• Shipping Weight: ~2 kg

Key Features

• 32 independent digital input channels for monitoring field devices.

• Robust isolation to prevent cross‑channel interference.

• Hot‑swappable design reduces downtime during maintenance.

• Integrated diagnostics for real‑time fault detection.

• Designed for use in Triconex TMR safety systems.

Application Scenarios

• Emergency Shutdown Systems (ESD).

• Fire & Gas detection systems.

• Process automation requiring reliable digital input monitoring.

FAQ

Q: How many input channels does the 3505E provide? A: It offers 32 isolated digital input channels.

Q: Can the module be replaced online? A: Yes, it supports hot‑swap functionality.

Q: What is the nominal input voltage? A: 24 VDC.