ABB LTC391AE01 (HIEE401782R0001) High Voltage Interface Module – Key Functions
1. High-Voltage Signal Interface
Safely connects HV equipment (e.g., circuit breakers, transformers) to low-voltage control systems like ABB AC 800M and 800xA DCS.
Provides electrical isolation to protect control systems from voltage spikes.
2. Industrial Automation Integration
Supports Profibus DP, Modbus, and IEC 61850 for substation automation and SCADA communication.
Enables real-time monitoring and control of HV devices.
3. Redundancy & Diagnostics
Optional redundant configuration for critical power applications.
Built-in fault detection for system reliability.
4. Applications
Power grids: HV breaker control, transformer monitoring.
Industrial plants: Integration of HV sensors in automation systems.
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