Overview
The Triconex 3674 is a dual‑channel digital output module designed for safety‑instrumented and fault‑tolerant control systems. It provides reliable isolated outputs with built‑in diagnostics to ensure safe operation in critical industrial environments.
General Information
Part Number: 3674
Manufacturer: Triconex (Schneider Electric)
Brand / Country of Origin: Triconex / USA
Type: Digital Output Module (Dual Channel)
Mounting: Plug‑in card installation in Triconex I/O chassis
Technology: Dual-path switching with per-channel diagnostics and load supervision
Power Specifications
Supply Voltage: 24 V DC nominal
Voltage Range: 16–30 V DC (maximum 36 V DC)
Maximum Load Current: Approximately 2 A per channel
Protection: Open-circuit and short-circuit detection, load supervision
Communication & Interface
Interface: Backplane connection within Triconex safety system
Outputs: Dual-channel outputs per module with isolated load circuits
Diagnostics: Monitors output state, detects load faults, and provides module PASS/FAULT status
Redundancy: Compatible with redundant I/O architecture for high availability
Environmental
Operating Temperature: −40 °C to +70 °C
Humidity: Up to 95% RH, non-condensing
Installation Environment: Industrial control cabinets and safety instrumented systems
Dimensions & Weight
Dimensions (L × W × H): Approx. 160 × 160 × 120 mm
Weight: Approx. 0.8 kg



