Product Overview

• Part No: N895313512X, N895313012D, SUP-AL, N895313000R
• Brand: ALSTOM

• Category: SUP-AL Rack Supervision & Alarm Monitoring ModuleN895313512X, N895313012D and N895313000R belong to ALSTOM SUP-AL rack supervision module family for TRENO bus turbine control systems. Different suffix designations represent successive hardware revisions of identical functional design, compatible within matched control rack configurations.This Eurocard plug-in monitoring board continuously collects rack power supply status, module operating health, bus communication state and system fault alarm signals. It consolidates multi-path status information, generates unified system alarm outputs, transmits supervision data to the main ECPU controller via TRENO backplane bus, and supports local fault indication for on-site maintenance. Built-in signal filtering, galvanic isolation and surge suppression circuits guarantee stable monitoring function under severe electromagnetic interference inside turbine governing cubicles. It is a discontinued essential maintenance spare widely used for overhaul of thermal power and combined-cycle power plant steam turbine control systems.

• 
  

Core Features

• Comprehensive supervision of rack power quality, module status and TRENO bus communication
• Centralized collection, processing and forwarding of system fault and alarm signals
• Front panel LED indicators for real-time status display and rapid fault localization
• Standard Eurocard draw-out structure supporting convenient on-site replacement
• Reinforced multilayer PCB with gold-plated edge connectors for anti-vibration performance
• Integrated ESD protection and transient overvoltage suppression adapting harsh power station environments

• Passed EMC, vibration and wide-range thermal cycling reliability qualification

• 
  

Technical Specifications

• Operating Supply: 24 VDC backplane power
• Operating Temperature: -10°C ~ +60°C
• Storage Temperature: -40°C ~ +85°C
• Form Factor: Standard Eurocard rack plug-in printed circuit board

• Protection Class: IP20 when installed inside control cabinet

• 
  

Compatibility & Application

• Compatible with ALSTOM legacy steam turbine governing racks equipped with TRENO internal bus architecture
• Widely deployed in thermal power plants, combined-cycle power stations and captive power facilities
• Applied for turbine control rack health monitoring, centralized alarm management and system status supervision