Model Interpretation

3613E:8Ch isolated sink supervised 115VAC TMR DO; E=enhanced diagnostic upgrade version; dedicated mating terminal 3613R; sink AC design vs sourcing AC counterpart 3611E, differs from 24VDC transistor/relay output series.

Technical Parameters

Electrical Spec

Channel:8 fully isolated non-common sink AC output

Rated input field:115VAC(90~132VAC,50/60Hz)

Per channel continuous load:0.5A, surge 3.5A/10ms; min load ≥25mA to support open/break wire diagnosis

Off-state leakage ≤3.5mA; independent channel fast fuse on 3613R base

Field-backplane isolation:2000VAC galvanic isolation

Backplane power draw ≤11.2W, built-in auto-recovery short protection

Safety & Redundancy

Architecture:TMR 2-out-of-3 hardware median voting, single branch fault no spurious shutdown or false energization

Certification:IEC61508 SIL3, TÜV, UL, CE, FM, ATEX

Diagnostics:per-channel continuous load monitoring + periodic pulse test to detect short/open circuit/cable break; fault coverage＞99.9%

SOE timestamp ≤40ms; MTBF＞131000H

Mechanical & Environment

Single slot 3U module; dimension:114×30×185mm; weight≈1.13kg; cream front panel

Operating:-40℃~+70℃; storage:-55℃~+85℃; humidity 5%~95%RH non-condensing

Front LED:PASS, FAULT, ACTIVE, LOAD

Core Functions

Sink-type 115VAC safety driving for critical AC shutdown solenoid and safety relay; periodic pulse inspection verifies field circuit integrity without accidental valve switching; TMR redundant design meets SIL3 safety specification; online hot swap without SIS stop; real-time fault alarm uploaded to TriStation engineering software.

Applications

Oil&gas onshore/offshore 115VAC ESD shutdown solenoid control; refinery HIPPS AC isolation valve drive; petrochemical flare emergency interlock output; power plant boiler/turbine AC trip relay control; F&G fire suppression AC actuator loop.

Brief Comparison

3613E:8Ch sink supervised 115VAC DO |3611E:8Ch source supervised 115VAC DO |3627:16Ch sink supervised 120VDC DO

Sink AC safety output |Source AC safety output |High voltage DC safety output