Model Interpretation

3603E:16CH isolated non-supervised 24VDC TMR DO; E=enhanced industrial revision; matching terminal:3603R; isolated non-common design vs commoned high-density 3664, no load supervision function.

Technical Parameters

Electrical Spec

Channel:16 fully isolated non-common output

Field rating:24VDC, operating range 19.2~30VDC

Per channel continuous:1A DC, surge 8A/10ms inductive spike

No min load required, no open/short circuit field diagnosis

Individual channel fuse on 3603R terminal base

Field-backplane isolation:1500VDC galvanic isolation

Backplane power consumption ≤10W, built-in auto short protection

Safety & Redundancy

Architecture:TMR 2oo3 hardware voting; single sub-circuit fault avoids spurious switching

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

Diagnosis:Only onboard hardware self-test, no field circuit monitoring; fault coverage≈93%

SOE ≤40ms; MTBF＞140000H

Mechanical & Environment

Single slot 3U module; dimension:114×30×185mm; weight≈1.0kg; grey front panel

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

LED:PASS, FAULT, ACTIVE

Core Functions

Isolated 24V switching for non-safety auxiliary relays, pilot lamps and ordinary solenoids; TMR redundant design meets SIS SIL3 cabinet specification; hot-plug replacement without system stop; field wiring termination via 3603R base.

Applications

Refinery auxiliary indicator light control; oilfield non-critical pump auxiliary relay drive; power plant secondary alarm output; chemical plant non-interlock auxiliary solenoid control.

Brief Contrast

3603E:16Ch isolated non-supervised 24V DO |3608E:16Ch isolated supervised 24V DO |3664:32Ch common non-supervised 24V DO

Isolated auxiliary output |Isolated safety supervised output |High-density common auxiliary output