ALSTOM V4555724‑0100 Sire Control Unit

Technical Specifications

Model：V4555724‑0100

Brand：ALSTOM

Product Type：Sire control unit

Applicable System：ALSTOM Alspa steam turbine control system

Supply Voltage：24V DC backplane power supply

Signal Interface：Multi‑channel terminal block for analog and digital signal connection

Communication Interface：Backplane internal system bus,RS‑232 diagnostic port

Status Indicator：Multi‑color LED for power,running status,channel alarm and module fault

Built‑in Function：Field signal acquisition,interlock logic calculation,auxiliary loop control,module self‑diagnosis

Working Temperature：‑10℃ ~ +60℃

Storage Temperature：‑20℃ ~ +70℃

Protection Class：IP20

Mounting：Plug‑in slot installation inside control rack

Weight：0.72kg

Product Brief:

V4555724‑0100 is legacy rack‑mounted Sire control unit for ALSTOM Alspa steam turbine control system. It acquires multi‑channel analog and digital signals from field sensors and switches,executes turbine auxiliary interlock and control logic,and interacts with main controller via rack backplane bus. Terminal block design facilitates field wiring connection. Front‑panel LED indicators support quick on‑site running status and fault diagnosis without extra testing tools. Plug‑in cabinet mounting structure enables convenient disassembly and module replacement. This is EOL discontinued spare part,widely used for thermal power plant steam turbine control system maintenance and renovation. Please confirm hardware revision and rack compatibility before purchase. Strict ESD anti‑static protection shall be performed during installation.