Overview
The Triconex 3703E is a high‑integrity digital output module designed for safety instrumented and fault‑tolerant control systems. It provides multiple supervised output channels with built-in diagnostics to ensure reliable operation in critical industrial environments.
General Information
Part Number: 3703E
Manufacturer: Triconex (Schneider Electric)
Brand / Country of Origin: Triconex / USA
Type: Digital Output Module
Mounting: Plug-in card installation in Triconex I/O chassis
Technology: Supervised digital outputs with per-channel diagnostics, load supervision, and compatibility with TMR architecture
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-load and short-circuit detection, per-channel diagnostics
Communication & Interface
Interface: Backplane connection to Triconex system
Outputs: Multiple isolated digital output channels
Diagnostics: Monitors output status, load integrity, and module PASS/FAULT signals
Redundancy: Compatible with triple modular redundancy (TMR) for high system 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. 0.9 kg



