Description
ICS Triplex T8231 Trusted 750W Power Pack
Product Overview
T8231 is a hot‑swappable high‑efficiency power pack for ICS Triplex Trusted SIS safety instrumented system (owned by Rockwell Automation). It supplies regulated 24 VDC power for Trusted TMR controller chassis, processor modules and I/O assemblies. Multiple T8231 units can be installed inside T8230 power shelf to realize N+1 redundant load‑sharing power supply, eliminating single‑point power failure risk for safety‑critical plant systems. It is widely used for new project deployment and spare‑part replacement of existing Trusted platform.
T8231
Key Specifications
| Item | Parameter |
|---|---|
| Part Number | T8231 |
| Product Type | Trusted Power Pack |
| Platform | ICS Triplex Trusted TMR SIS System |
| AC Input | 85‑264 VAC universal input, power factor correction built‑in |
| DC Output | 24 VDC, max 750 W |
| Max Output Current | 31.25 A |
| Support Shelf | T8230 (1U power shelf, max 3 pcs T8231 modules) |
| Redundancy Mode | N+1 redundancy, automatic load‑sharing |
| Cooling | Built‑in dual forced‑cooling fans |
| Hot‑swap | Yes, online replacement without system shutdown |
| Operating Temperature | ‑5 °C ~ +60 °C |
| Storage Temperature | ‑40 °C ~ +85 °C |
| Humidity | 5‑95 % RH non‑condensing |
| Certification | CE, UL, meets IEC 61508 safety‑related power requirements |
| Weight | Approx. 2.7 kg |
| Dimension | 1U rack‑mount unit, fits T8230 power shelf slot |
| Variant | T8231C: conformal coated version for corrosive environment |
Main Applications
- Emergency Shutdown System (ESD) for oil & gas, petrochemical plants
- Fire & Gas (F&G) safety protection systems
- Burner Management System (BMS) for power plant boilers
- HIPPS high‑integrity pressure protection systems
- Safety interlock control for mining, chemical and heavy‑process industries
- Spare‑parts maintenance and retrofitting for existing Trusted SIS installations
Related Series Models
- T8231 Standard 750 W Trusted power pack
- T8231C Conformal‑coated power pack for harsh corrosive environment
- T8230 1U power shelf, holds up to three power packs
- T8451 TMR digital output module (typical matching I/O module)
- T8110B Trusted TMR main processor module
T8231
Core Features
- N+1 redundant load‑sharing: Multiple modules work in parallel; if one power pack fails, remaining units automatically share full load without interrupting SIS system operation.
- Hot‑swap capability: Faulty power pack can be pulled out and replaced online, no system power‑off required, minimizes plant downtime.
- Universal wide AC input: Accepts global 85‑264 VAC mains supply, built‑in power factor correction for stable power quality.
- Comprehensive multi‑level protection: Over‑voltage, over‑current, short‑circuit, over‑temperature and fan‑fault protection.
- Integrated diagnostic function: Reports input loss, output anomaly, fan failure and over‑temperature status to system via alarm contacts and front‑panel LED indicators for fast troubleshooting.
- Industrial rugged design: Metal housing, suitable for cabinet installation in heavy‑duty workshop; T8231C coated variant available for high‑humidity and corrosive sites.
Main Functions
- Convert AC mains input into stable regulated 24 VDC power to supply Trusted chassis, TMR processor and all I/O modules.
- Realize automatic load‑sharing among multiple power packs inside T8230 shelf for redundant power architecture.
- Detect internal faults including fan stall, over‑temperature, over‑voltage and over‑current; trigger protective shutdown for faulty unit while keeping other power packs running.
- Provide hardware alarm signal contacts for upper‑level monitoring system to capture power‑supply health status.
- Support online hot‑swap replacement; synchronize load distribution after new module insertion.
- Deliver continuous clean power to guarantee TMR safety system running under normal and partial‑fault conditions.
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