Model Interpretation

3623: 16‑channel 120VAC/DC sink non‑supervised TMR DO; matching terminal:3623R; hot‑swappable; compatible with 8110/8111/8112/8115/8116 rack; supervised counterpart:3627, sourcing counterpart:3622.

Technical Parameters

Electrical Spec

Channels:16 commoned sink output

Nominal voltage:120VAC/DC, operating range 90~132V

Single channel continuous current:0.5A, surge 3.5A/10ms

No load monitoring & pulse test function

Field‑backplane isolation:2000VDC isolation

Backplane power＜9.5W; internal short‑circuit auto protection

Safety & Redundancy

Structure:TMR 2oo3 hardware voting

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

Diagnosis:Only module internal fault diagnosis, no per‑channel open/short/load detection; fault coverage＞98%

SOE ≤40ms; MTBF＞145000H

Mechanical & Environment

Single slot 3U module; size 114×30×185mm; weight≈1.05kg; grey front panel

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

LED: PASS, FAULT, ACTIVE

Core Functions

General‑purpose 120V output for non‑critical field loads; TMR redundant design satisfies SIL3 cabinet safety requirement; hot‑swap maintenance without system shutdown; simple logic configuration via TriStation.

Applications

Field status indicator lamps, non‑critical auxiliary relay drive, common alarm horn control, non‑SIL secondary interlock in oil & gas, refinery and power plant.

Brief Comparison

3623:16Ch sink 120V non‑supervised DO |3627:16Ch sink 120V supervised DO |3622:16Ch source 120V non‑supervised DO

Ordinary auxiliary output |Critical safety shutdown output |High‑side common auxiliary output