Alstom MAE99‑04 Interface Board Isolation Unit (8‑Channel Serial Interface Isolation Unit)
- Warranty： 365 days
- Quality: Original module
- Condition： New / Used
- Warehouse: Spot
- Delivery time: Shipped in 3 days after payment
- Mailbox：plcvarious@foxmail.com
Introduction
Background
Manufactured by ALSTOM (France, former Converteam). It is a DIN‑rail‑mounted circuit‑board module.
This part is EOL (End‑of‑Life / discontinued). Original OEM production has been terminated. Supplies available on the market are mainly used or refurbished spare units. It is only used for maintenance & replacement of legacy old‑equipment, not for new‑project deployment. It is a supporting communication‑isolation hardware for ALSTOM turbine and power‑generation DCS control systems.
Alstom MAE99‑04 Interface Board Isolation Unit
Main Functions
- Equipped with 8 independent opto‑isolated channels, providing galvanic isolation for RS‑232 / RS‑422 / RS‑485 serial communication signals. Isolation voltage ≥2500 Vrms. It eliminates ground loops, high‑voltage surges and electromagnetic interference to protect DCS main‑control boards from field‑side disturbances.More products: plcva.com
- Realize bidirectional transparent transmission of serial data between control system and field peripheral devices, max communication rate up to 115.2 kbps.
- Each channel features isolated power‑supply to cut off electrical coupling between high‑voltage and low‑voltage sides, improving communication stability and equipment safety.
- Powered by 24 VDC (wide‑range 18‑30 VDC), compatible with standard power supply of power‑plant DCS cabinets.
Alstom MAE99‑04 Interface Board Isolation Unit
Application Scenarios
- Thermal power plants and combined‑cycle power plants: serial‑communication isolation protection between DCS and field devices for steam‑turbine and gas‑turbine control systems.
- Spare‑part maintenance for legacy ALSTOM DCS systems in petrochemical and heavy‑industry sectors.
- Power‑supply control systems for rail‑transit facilities for serial‑bus signal isolation.
- For retrofitting and maintenance of existing legacy installations only, not intended for new‑project applications.
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