The 3625 Digital Output Module from Triconex (Schneider Electric) is a high‑integrity 32‑point discrete output unit designed for Triple Modular Redundant (TMR) safety systems. It supports both supervised and non‑supervised output configurations, delivering fault‑tolerant 24 VDC control signals to actuators, alarms, and interlock devices in critical process environments.
Technical Specifications
Parameter
Description
Model Number
3625
Product Type
Digital 24 VDC Output Module
Output Channels
32 points (commoned)
Output Voltage
Nominal 24 VDC; range 16–32 VDC
Output Type
Discrete digital; transistor-driven
Redundancy
TMR architecture with 2oo3 voting
Supervision
Optional per channel (supervised/non-supervised)
Max Current
0.5 A per point; 1.7 A peak; 7 A surge (10 ms)
Voltage Drop
Load Leakage
≤ 4 mA
Minimum Load
10 mA
Isolation
Field-to-backplane: 250 VAC; 1500 VAC for 1 min
Diagnostics
Online health monitoring, fault detection, loopback verification
Hot Swap
Supported (no system shutdown required)
Mounting
Tricon chassis slot
Weight
4 kg (shipping); approx. 2.06 kg (module)
Application Scenarios
The 3625 module is ideal for:
Safety-critical control of valves, relays, and alarms
Emergency shutdown systems (ESD)
Burner management and turbine protection
Nuclear and petrochemical process interlocks
Redundant control architectures requiring high uptime
FAQ
Q: Can the module be replaced without shutting down the system? Yes. It supports hot-swapping in live systems.
Q: What’s the difference between supervised and non-supervised outputs? Supervised outputs include loopback diagnostics to verify load presence and circuit integrity.
Q: Is this module SIL3 certified? Yes. It meets SIL3 requirements when used within a certified Tricon system.
