Model Interpretation

8311

8311: 24VDC input power module, rated 150W

Common part number: 3000606‑100

Related series: 8310(120VAC/DC), 8311(24VDC), 8312(230VAC)

Compatible rack: 8110,8111,8112

Technical Parameters

Electrical Specifications

Input range: 20VDC ~ 30VDC nominal 24VDC

Rated output power: 150W

Main output: 6.5VDC regulated for backplane

Max output current: 23A

Redundancy: 1oo2 dual redundant configuration; single unit can carry full chassis load

Hold‑up time: ≥20ms under nominal input drop to zero

Mechanical Data

Slot occupation: occupies two standard slots inside Tricon chassis

Weight: approx 3.5kg

Mounting: plug‑in backplane installation

Environmental

Operating temperature: −40°C ~ +70°C

Storage temperature: −55°C ~ +85°C

Relative humidity: 5%~95% non‑condensing

Certifications: SIL3 per IEC61508, TÜV, UL, ATEX/IECEx

Indicator & Protection

Front panel LED: PASS, FAULT, OVERTEMP, ALARM

Built‑in protection: overvoltage, overcurrent, short circuit, over temperature shutdown

Full diagnostic data reported to system for fault logging

Core Functions

Convert industrial 24VDC field power into stable internal working voltage for entire rack backplane.

Hot swappable, replace faulty module online without system shutdown.

Dual redundant arrangement improves system availability for safety interlock loop.

Continuous self‑diagnosis and real‑time fault indication for maintenance convenience.

Applications

Oil & gas ESD and F&GS safety system with site standard 24VDC power distribution.

Power plant turbine, boiler safety protection system.

Chemical & refinery reactor, pressure vessel SIL3 interlock system.

Field remote I/O cabinets using local 24VDC power supply.