ALSTOM NRD108031 TRVC070999000 BOTTOM Digital Input / Control Processor Module
- Product Code: NRD108031 TRVC070999000 BOTTOM
- Availability: In Stock
ALSTOM NRD108031 / TRVC070999000 BOTTOM
Manufacturer: ALSTOM
Part Numbers: NRD108031, TRVC070999000 (BOTTOM)
Type: Digital Input / Control Processor Module
Function: High‑speed signal acquisition & processing, turbine/DCS control
Status: Discontinued, spare parts only
NRD108031 / TRVC070999000 BOTTOM Control Module
1. General Description
The ALSTOM NRD108031 (TRVC070999000 BOTTOM) is a high‑performance digital input and processor module for Alstom TGP/Alspa DCS and turbine control systems. It provides 16 independent digital input channels for dry/wet contact sensing (24 VDC) and integrates a high‑speed processor with 128KB SRAM for real‑time data processing, logic execution, and communication with the system backplane. The “BOTTOM” designation refers to its lower‑slot position in the control rack.
2. Key Specifications
• Module Type: Digital Input / Processor Board
• Input Channels: 16 × isolated digital inputs
• Input Types: Dry contact / 24 VDC wet contact
• Logic Levels: Logic 1 ≥15 VDC; Logic 0 ≤5 VDC
• Isolation: Opto‑isolated, ≥500 VAC channel‑to‑ground
• Memory: 128KB 32‑bit SRAM (100 ns access)
• Power Supply: 24 VDC / 220 VAC (backplane)
• Operating Temp: 0°C ~ +60°C
• Form Factor: Standard rack‑mount Eurocard
3. Part Number Definition
• NRD108031: Base module part number
• TRVC070999000: Full assembly / revision code
• BOTTOM: Installed in lower slot of control rack
4. Applications
• Thermal power plant DCS & turbine control
• High‑speed digital signal acquisition & interlocking
• Petrochemical & heavy industry automation systems
• Replacement for legacy Alstom TGP/Alspa racks
ALSTOM © NRD108031 / TRVC070999000 BOTTOM Digital Input Processor Module