ALSTOM

ALSTOM NRD108034 8RDB44674G01 SA44674.C Industrial Control Card

Brand: ALSTOM (France)

Order Part Number: NRD108034

PCB Hardware No.: 8RDB44674G01

Hardware Revision: SA44674.C

Device Name: Industrial control card

Product Background

This circuit board is VME‑bus slot‑in component for ALSTOM GEM80 turbine control system, belongs to the same spare‑part family as NRD108031.

‑ NRD108034: Official spare‑part order reference number for procurement and customs declaration.

‑ 8RDB44674G01: PCB physical board number.

‑ SA44674.C: PCB hardware revision number.

It is EOL obsolete spare part for legacy power‑plant units; original OEM production discontinued. Available stock is mainly used / refurbished units for thermal & gas‑fired power‑plant GEM80 system maintenance. VME rack slot‑in form factor, plug into control‑cabinet backplane directly.More products: www.plcva.com

ALSTOM NRD108034 8RDB44674G01 SA44674.C Industrial control card

Model Breakdown

1. ALSTOM: Brand, France
2. NRD108034: Spare‑part ordering number (primary reference for purchase & customs)
3. 8RDB44674G01: PCB board physical number
4. SA44674.C: PCB hardware revision version

Main Functions

1. VME‑bus signal processing Interface with GEM80 VME back‑plane bus, execute address & data bus decoding, realize data exchange with CPU processor board, acts as system I/O signal processing unit.
2. Field signal acquisition & output Acquire field digital signals, execute logic calculation, process local turbine equipment feedback signals, send control commands to field actuators such as relays and solenoid valves.
3. Serial communication interface On‑board serial ports supporting RS232 / RS485, enable communication with host debugging tool for parameter reading, fault diagnosis and status upload.
4. On‑board hardware self‑test Equipped with status LED indicators, power‑on self‑test for real‑time working status feedback and convenient fault location.
5. Industrial anti‑interference design Designed for heavy EMI power‑plant cabinet environment, wide operating temperature range for long‑term continuous power‑generation equipment operation.

Note: This card is dedicated for GEM80 platform only, not compatible with third‑party DCS systems.

ALSTOM NRD108034 8RDB44674G01 SA44674.C Industrial control card

Applications

1. Thermal / gas‑fired power‑plant turbine GEM80 control system (primary use) Installed inside turbine control cabinet VME rack, participates in turbine protection, valve logic and speed‑loop signal processing. Classified as critical field‑replaceable spare part for turbine control system.
2. Only compatible with ALSTOM GEM80 VME hardware platform, used for faulty‑part replacement of legacy power‑generation units.
3. Not specified for new‑project design; applied only for existing power‑plant maintenance.

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