TRICONEX 3625 TMR Supervised Digital Output Module
Product Description
3625 is SIL3-certified TMR sink-type supervised digital output module for Tricon V9–V12 SIS rack, designed to drive 24VDC field solenoid valves and safety relays with per-channel load feedback and periodic pulse diagnostics, adopting triple modular redundant 2oo3 voting for ESD/BMS critical shutdown circuits.
Description
Model Interpretation
3625: 16-channel 24VDC sink supervised DO, TMR architecture; matched terminal:3625R(sink), hot-swappable; compatible with 8110/8111/8112/8115/8116 chassis; counterpart sourcing type = 3624.
Technical Parameters
Electrical Spec
Channels:16 commoned sink outputField voltage:24VDC, working range 18–30VDC, max transient 36VDCPer channel continuous output:0.7A, surge 4.8A/10ms; min load ≥30mA for wire-break diagnosisOff-state leakage ≤4mAIsolation:1500VDC field-to-backplane isolationBackplane power＜10W; short-circuit auto-recovery protection
Safety & Redundancy
Structure:TMR 2-out-of-3 hardware votingCertification:IEC61508 SIL3, TÜV, UL, CE, FM, ATEXDiagnostic:per-channel pulse test + output readback, detect open load, short circuit, wire break; fault coverage＞99.9%SOE resolution ≤40ms; MTBF＞140000H
Mechanical & Environment
Single slot 3U module; size:114×30×185mm; weight≈1.1kg; front panel light greenOperating:−40℃~+70℃, storage −55~+85℃; humidity 5%–95%RH non-condensingLED indicators: PASS, FAULT, ACTIVE, LOAD
Core Functions
Sink-mode supervised drive for safety solenoid and shutdown actuators; periodic pulse test verifies field loop integrity without spurious valve action; TMR redundant circuit prevents false trip or fail-safe failure; online hot swap without system outage; real-time fault upload to TriStation.
Applications
Oil & gas ESD shutdown solenoid control; refinery HIPPS cut-off valve drive; power plant boiler fuel trip output; chemical reactor emergency isolation loop.
Contrast
3625:16Ch sink supervised 24V DO |3624:16Ch source supervised 24V DO |3604:32Ch unsupervised standard DOSink safety output |Source safety output |Common unsupervised auxiliary output
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