ICS Triplex T9833

ICS Triplex T9833

Product Brief Introduction: T9833 is a rack‑mounted fault‑tolerant field power supply module for Trusted safety system. It converts rack‑side input power into stable 100‑150 VDC regulated field‑loop power for high‑voltage field actuators and solenoid valves. This module adopts triplex power conversion architecture, delivers continuous high‑voltage field power under single internal sub‑module failure, and matches Trusted high‑voltage digital output modules to complete safety‑actuator driving power supply work

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Description

ICS Triplex T9833

Technical Specifications & Performance Parameters:

  • Input Power Source: 20‑32 VDC from Trusted rack backplane, nominal 24 VDC
  • Output Voltage Range: 100 VDC ~ 150 VDC regulated, nominal 125 VDC
  • Continuous Output Current: 15 A
  • Transient Surge Current: 150 % of nominal continuous current
  • Rated Output Power: 1875 W
  • Output Voltage Ripple: 15 mV peak‑to‑peak
  • Protection Mechanisms: Over‑voltage protection, over‑current protection, short‑circuit protection, over‑temperature shutdown, input reverse‑polarity protection
  • Safety Certification: TÜV IEC 61508 SIL 3, UL, CE
  • Operating Temperature: ‑20 °C ~ +55 °C
  • Storage Temperature: ‑40 °C ~ +85 °C
  • Ambient Humidity: 5 %‑95 % RH non‑condensing
  • Cooling Method: Forced‑air cooling with dynamic fan speed adjustment
  • Weight: 2.75 kg
  • Form Factor: Standard Trusted rack plug‑in module

Functional Features:

  • Triple independent internal power conversion sub‑modules, implement 2‑out‑of‑3 fault‑tolerant power output
  • Hot‑swap support for online module replacement without cutting off field high‑voltage power output
  • Full‑range real‑time hardware diagnostics, monitor input voltage, output voltage, output current, fan running state and internal temperature
  • Front‑panel multi‑LED indicator group, display input health status, output operating status, fan status and fault alarm status
  • Timestamped fault‑event upload to system fault historian via IMB backplane bus
  • Dynamic fan speed regulation, adjust airflow volume according to internal module temperature to reduce cabinet noise
  • Built‑in inrush‑current limiting circuit, suppress surge current when field‑loop loads power‑on
  • Hardware‑level fault isolation, single internal sub‑module fault cannot interrupt overall power output

Working Principle: Backplane 24 VDC power supplies three independent internal power conversion units simultaneously. Each unit completes DC‑DC high‑voltage conversion and voltage stabilization processing. Three‑way high‑voltage output passes hardware voting‑OR‑ing circuit to synthesize stable 125 VDC output for field loops. On‑board monitoring circuit continuously samples electrical parameters and fan operating state. When single internal sub‑module breaks down, fault channel gets isolated automatically, and remaining two sub‑modules maintain full‑range power output. Over‑temperature condition triggers fan speed increase; extreme over‑temperature triggers hardware shutdown action to avoid permanent hardware damageMoore Auto….

Material Composition & Structural Characteristics:

  • Outer housing: High‑strength die‑cast aluminum alloy shell, realize electromagnetic shielding and auxiliary heat dissipation
  • Internal circuit substrate: Multi‑layer FR‑4 high‑voltage‑resistant industrial printed circuit board, adopt high‑power DC‑DC power semiconductor components
  • Backplane connector: Gold‑plated high‑density anti‑vibration industrial connector
  • Front panel: Flame‑retardant PC engineering plastic, embed LED indicator window and fan air‑outlet grille
  • Protection Grade: IP20, designed for installation inside Trusted safety cabinet dedicated power‑supply slot

Installation Requirements:

  • Insert T9833 module into dedicated high‑voltage power‑supply slot of Trusted rack chassis, fully tighten front‑panel locking screws
  • Ensure cabinet provides sufficient air‑inlet and air‑outlet channel for module forced‑air cooling
  • Field‑side 125 VDC output wiring adopt high‑voltage‑rated shielded cables, strictly separate routing from low‑voltage instrument cables
  • Cabinet protective ground resistance stays below 4 Ω
  • Calculate total field‑loop load current strictly, guarantee total load does not exceed module rated output capacity
  • Keep installation location away from corrosive gas, salt‑fog and continuous strong‑shock environment

Application Scenarios:

  • Trusted high‑voltage digital output module supporting 125 VDC field actuator power supply
  • Petrochemical ESD system high‑voltage solenoid valve group centralized power feeding
  • Off‑shore oil‑gas platform safety‑instrumented‑system high‑voltage field‑loop power distribution
  • Chemical plant large‑scale safety‑interlock cabinet high‑voltage fault‑tolerant power infrastructure
  • Power‑plant safety shutdown system high‑voltage actuator power source

Usage Notes:

  • Hot‑swap operation is permitted only when remaining internal power sub‑modules can bear full field‑loop load
  • Module shell disassembly is forbidden; internal high‑voltage circuit exists, zero user‑serviceable internal components
  • Verify fan rotating state after module power‑on, blockage of air duct will trigger over‑temperature fault
  • After module replacement, test output voltage accuracy, fault‑tolerant switching function and all diagnostic items
  • Operate strictly within defined operating temperature range
  • Periodically inspect field high‑voltage wiring terminal fastening torque and cabinet ventilation condition

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