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ALSTOM V4561983-0100 – 32-Channel High-Speed Digital Input Module for T3000/TXP DCS
Product Overview
The ALSTOM V4561983-0100 is a 32-channel high-speed digital input module designed for the ALSTOM T3000 and TXP distributed control systems, now integrated within the GE Mark VIe ecosystem. Built for power generation applications—including gas turbines, steam turbines, and critical plant monitoring—it captures 24 VDC discrete signals with millisecond-level time stamping for Sequence of Events (SOE) recording. Its robust construction and high electromagnetic immunity ensure stable operation in harsh power plant environments, supporting real-time protection and control of rotating machinery.
Technical Specifications — V4561983-0100
| Parameter | Value |
|---|---|
| Product Model | V4561983-0100 |
| Manufacturer | ALSTOM (now GE Power) |
| Product Type | 32-Channel Digital Input Module |
| Power | 24 VDC ±10% (via V4559856 power interface board) |
| Communication / Protocol | DCS internal bus, SOE timestamping ≤1 ms |
| Operating Temperature | 0°C to +60°C |
| Mounting | Standard DCS rack mount, hot-swap capable |
| Dimensions (HxWxD) | Standard ALSTOM T3000 series card size |
| Weight | Approx. 0.7 kg |
| Typical Interfaces | 32×24 VDC dry contact inputs, system bus connector |
| Compliance | CE, IEC 61000-6-2, power plant EMC standards |
ALSTOM V4561983-0100
Key Features and Benefits — V4561983-0100
- 32-Channel High-Density Input: Consolidates 32 discrete 24 VDC signals, reducing rack space and wiring complexity in DCS cabinets.
- Millisecond SOE Resolution: Captures event timestamps with ≤1 ms accuracy, enabling precise post-fault analysis for turbine and plant safety systems.
- High EMI Immunity: Designed to withstand strong electromagnetic interference in power plants, ensuring reliable signal acquisition near high-voltage equipment.
- Hot-Swap Functionality: Allows replacement without system shutdown, minimizing maintenance downtime in critical power generation facilities.
- Seamless DCS Integration: Native compatibility with ALSTOM T3000/TXP and GE Mark VIe systems, enabling straightforward configuration and data exchange.
- LED Status Indicators: Provides clear visual feedback for power, channel activity, and fault conditions, simplifying on-site troubleshooting.
Related Models
- V4559856: Power interface board supplying regulated 24 VDC to the module, ensuring stable power distribution in DCS racks.
- V4561984-0100: 16-channel digital input module for smaller-scale power plant monitoring applications.
- V4555724-0100: Mixed I/O module with 16 digital inputs and 16 outputs for versatile DCS control tasks.
- V4561695-0000: DC-link board for high-frequency power units, supporting auxiliary system control in power plants.
Installation and Maintenance — V4561983-0100
- Insert the module into a vacant slot in an ALSTOM T3000/TXP DCS rack and secure the front panel latch.
- Connect the 24 VDC power cable from the V4559856 power interface board to the module’s power terminal.
- Wire 24 VDC dry contact signals to the 32 input channels, following the system’s wiring diagram to avoid polarity errors.
- Verify power and channel status via front-panel LEDs; configure SOE parameters through the DCS engineering workstation.
- Periodically inspect cable connections and clean the module’s ventilation slots to prevent dust accumulation and overheating.
- Use the DCS’s diagnostic tools to monitor channel health and perform firmware updates as needed for system compatibility.
