ALSTOM

ALSTOM AH116‑2 Control Board

Brand: ALSTOM (France)

Model: AH116‑2

Device Name: Control board

Product Background

AH116‑2 is VME‑bus slot‑in control board for ALSTOM steam / gas turbine control system, classified as EOL obsolete spare part for legacy power‑generation units.

It adopts standard VME slot‑in form factor, plug‑into VME rack backplane inside turbine control cabinet. Suffix “‑2” denotes hardware revision, backward‑compatible with older AH116 hardware. OEM manufacturing discontinued. Available stocks are mainly used / refurbished units for maintenance replacement of thermal & gas‑fired power plants, compatible with ALSTOM GEM80 turbine control platform.

ALSTOM AH116‑2 Control Board

Model Breakdown

1. ALSTOM: Brand, France
2. AH116‑2: Hardware unit model; “‑2” stands for hardware revision

Main Functions

1. Analog & digital field‑signal processing Acquire 4‑20mA, 0‑10V analog signals and discrete digital feedback signals from field sensors, perform signal conditioning and A/D conversion, upload field data to system CPU board. Output control signals to drive field actuators such as solenoid valves and relays.
2. VME back‑plane bus communication Exchange address and data with CPU processor board over VME bus, participate in turbine speed, valve and protection logic computation.
3. On‑board self‑test & status indication Equipped with status LED indicators for power‑on self‑diagnosis. Real‑time feedback for power, running and communication faults to facilitate on‑site troubleshooting.More products: www.plcva.com
4. Industrial high anti‑interference performance Designed for heavy‑EMI power‑plant cabinet environment with wide operating temperature range for long‑term continuous generator‑unit operation.
5. Serial debug communication port RS485 serial interface supports local debugging tool connection for status reading, fault information retrieval and parameter diagnosis.

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

ALSTOM AH116‑2 Control Board

Applications

1. Thermal / gas‑fired power‑plant GEM80 steam / gas turbine control system (primary application) Mounted inside turbine control cabinet VME rack. It acquires field signals of valve, speed, temperature and pressure, sends out control commands, participates in turbine regulation & protection logic handling. Classified as critical field‑replaceable spare part for turbine control system.
2. Applied exclusively for maintenance & replacement of legacy power‑generation units; not specified for new‑project design.
3. VME slot‑in card, must work cooperatively with other GEM80 VME modules; cannot operate standalone.

Understand the lowest price, please contact via email: plcvarious@foxmail.com

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