Model Interpretation

3664：32-channel commoned source-type non-supervised 24VDC DO; matched terminal base:3664R; single-slot hot-swappable; compatible with 8110/8111/8112/8115/8116 standard Tricon chassis; high-density 32-point layout differs from 16-point 3624/3625 series。

Technical Parameters

Electrical Spec

Channel quantity：32 commoned sourcing digital transistor output

Rated field voltage：24VDC, operating range 22~30VDC

Per-channel continuous rated：0.5A DC, inrush surge 10A/10ms for inductive coil load

Built-in channel short-circuit auto-protection, no individual field fuse

Field-backplane galvanic isolation：1500VDC

Backplane power consumption＜14W

Safety & Redundancy

Architecture：Full TMR triple-path 2-out-of-3 hardware voting, single path fault cannot trigger spurious trip

Certification：IEC61508 SIL3, TÜV, UL, FM, CE safety approval

Diagnostic range：Only module internal hardware fault diagnosis, NO field loop open/short/load monitoring (non-supervised design); fault coverage＞97.5%

SOE event timestamp ≤40ms; MTBF＞138000 operating hours

Mechanical & Environment

Single slot 3U standard Tricon module, black front panel

Dimension(W×H×D):115×32×190mm, net weight≈0.82kg

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

Front panel LED: PASS, FAULT, group status indicator

Core Functions

High-density bulk 24VDC common-source output for large-quantity non-safety field loads; TMR redundant structure satisfies SIS cabinet SIL3 specification; online hot plug replacement without system shutdown; centralized wiring design reduces field cable workload; parameter configuration via TriStation software。

Application Scenarios

Oil&gas plant bulk alarm lamp control; refinery auxiliary relay cluster drive; power plant non-critical auxiliary interlock; chemical factory common solenoid auxiliary control; LNG terminal secondary safety indication circuit。

Model Distinction

3664:32Ch common source non-supervised 24V DO |3624:16Ch source supervised 24V DO |3625:16Ch sink supervised 24V DO

High-density bulk auxiliary output |16-point high-side safety output |16-point low-side safety output