



The Triconex 3720 Analog Input Module is a high‑reliability I/O component designed to interface analog process signals with the Triconex Safety Instrumented System (SIS). Built with Triple Modular Redundancy (TMR) architecture, this module ensures continuous, fault‑tolerant data acquisition from field sensors—making it essential for monitoring critical parameters like temperature, pressure, and flow in demanding industrial applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Analog Input Module |
| Model | 3720 |
| System Compatibility | Triconex SIS (TMR Architecture) |
| Input Channels | 32 differential analog inputs |
| Input Voltage Range | 0–5 VDC or –5 to +5 VDC |
| Resolution | 12‑bit or 14‑bit programmable |
| Input Update Rate | Approx. 10 ms |
| Accuracy | < 0.15% of FSR (0–60°C) |
| Input Protection | 150 VDC/115 VAC continuous |
| Operating Temperature | –20°C to +60°C |
| Storage Temperature | –40°C to +85°C |
| Dimensions (H × W × D) | Approx. 185 × 135 × 45 mm |
| Weight | Approx. 1.36 kg |
| Mounting | Rack‑mounted in Tricon chassis |
Key specifications derived from independent industrial references.
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