Product Overview

• Part No: N897164624A
• Brand: ALSTOM

• Category: Pulse Output Control ModuleN897164624A belongs to ALSTOM N8971646xx series plug-in pulse output module, compatible with N897164610L and N897164611M within the same product family. It generates configurable high-precision pulse signals to drive valve positioning actuators and field process equipment. The module supports programmable pulse frequency and pulse quantity, communicates with main controllers via internal system bus, and performs real-time signal conversion and logic output. Equipped with built-in surge filtering and ESD protection circuits, it maintains stable operation under severe electromagnetic interference. It serves as essential spare component for thermal power plant DCS, turbine governing control cabinets and heavy industrial automation panels.

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Core Features

• Programmable high-precision pulse signal generation for actuator and positioning loop regulation
• Galvanically isolated signal channels to suppress external electrical interference
• Front-panel diagnostic LED indicators for rapid on-site fault troubleshooting
• Standard rack plug-in structure supporting convenient direct replacement
• Interoperable with ALSTOM legacy distributed control system and turbine control architecture
• Reinforced aluminum housing for improved thermal dissipation and mechanical stability

• Passed EMC, vibration and wide-range thermal cycling reliability qualification

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Technical Specifications

• Operating Supply: 220V AC
• Max Output Pulse Frequency: 30kHz
• Operating Temperature: -10°C ~ +60°C
• Storage Temperature: -40°C ~ +85°C
• Form Factor: Standard rack plug-in circuit module

• Protection Class: IP20 when installed inside control cabinet

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Compatibility & Application

• Compatible with ALSTOM legacy DCS and turbine control platforms
• Widely deployed in thermal power plants, hydropower stations and heavy industrial facilities
• Applied for valve actuator drive, positioning system control and sequential process pulse signal output