Dual Power Input Flexibility: Supports HV (115/240 Vac, 125 Vdc) and LV (24 Vdc) power sources, adapting to diverse site electrical configurations.
Independent Trip Relays: Three independent Form - C relays enable custom alarm/trip mapping without voting logic, simplifying integration with existing shutdown systems.
Sulfur - Resistant Design: Conformal coating protects internal components from H₂S/SO₂ corrosion, extending service life in petrochemical and offshore applications.
Automatic Overspeed Testing: Performs routine overspeed tests without turbine shutdown, validating system functionality while minimizing operational downtime.
MPU Integrity Checks: Continuously verifies magnetic pickup connections and signal quality, triggering alarms for faulty sensors before speed monitoring errors occur.
Modbus Integration: RS485 - based Modbus RTU enables remote monitoring, data logging, and parameter adjustment via SCADA systems.
Real - Time Speed Readout: 4 - 20 mA analog output provides proportional speed data for operator visualization and control system integration.
Panel - Mount Convenience: Compact form factor fits standard control cabinets, with front - panel keypad/display for local configuration.
Integrated Graphical HMI: 8.4‑inch color display enables real‑time trending, alarm visualization, and intuitive navigation; multilingual support simplifies global operation.
Marine & Hazardous Compliance: ATEX Zone 2 and IACS UR E10 ratings allow deployment in offshore platforms, LNG carriers, and commercial marine vessels.
Auto‑Start Sequencing: Configurable hot/cold start routines with temperature input integration to optimize start‑up time and turbine stress.
Redundant Speed Sensing: Dual speed channels validate input integrity; zero‑speed detection and peak speed indication for overspeed trip confirmation.
Critical Speed Avoidance: 3 programmable speed bands to bypass resonant frequencies and prevent turbine damage during acceleration/deceleration.
Advanced Load Control: Remote droop, frequency dead‑band, and slip‑frequency synchronization for grid/load matching and stable parallel operation.
Event Logging & Diagnostics: Real‑time clock (RTC)‑stamped trip/alarm logs; self‑diagnostics for I/O, speed sensors, and communication faults.
Hot‑Swappable Configuration: Parameter changes and firmware updates via HMI or RemoteView without system shutdown.
Dual - Mode Operation: Runs in simplex for cost - effective small - scale systems or redundant mode for high - availability critical applications, with automatic failover in redundant setups.
Integrated Data Storage: 64 MB flash memory retains firmware, application code, and event logs during power loss; 128 MB RAM enables fast program execution and real - time control loops.
Real - Time Monitoring: The real - time clock timestamps all events (alarms, trips, mode changes) for post - incident analysis and compliance reporting.
Hot - Swappable Redundancy: In redundant mode, the standby CPU automatically takes over within milliseconds if the primary CPU fails, with no process interruption.
VMEbus Compatibility: The on - board FPGA provides VMEbus master/slave functionality to interface with all MicroNet I/O modules (discrete, analog, speed, temperature).
Secure Configuration: The service port uses password - protected access to prevent unauthorized changes to control logic and parameters.
Firmware Upgradability: Flash memory supports in - field firmware updates via the service port or Ethernet for feature enhancements and bug fixes.
Hazardous Area Rating: CSA Class 1, Division 2 certification allows deployment in petrochemical, offshore, and other hazardous industrial environments.
Plug‑and‑Play Redundancy: Fully pre‑configured to match host system parameters; no re‑programming needed for hot swap. Automatically synchronizes speed data, trip setpoints, and alarm logic with primary modules.
TMR Voting Logic Compatibility: Integrates into 2‑out‑of‑3 voting architecture to avoid false trips and ensure trip reliability if a primary module fails.
On‑Line Maintainability: Hot‑swappable design allows replacement while the turbine is running, eliminating safety system downtime during module failure.
Shared System Status: Exchanges real‑time speed, trip latch, and alarm status with all modules (A/B/C) for consistent monitoring and event logging.
MPU & Speed Fault Handling: Supports MPU open‑wire/loss‑of‑speed detection and speed difference alarms to validate sensor health during operation.
Event Logging & Diagnostics: Equipped with a real‑time clock for time‑stamped trip/alarm logs; synchronizes with other modules for consistent time‑averaging and post‑incident analysis.
Sulfur‑Resistant Coating: Uses a conformal coating to protect against H₂S/SO₂ gases (IEC 721‑3‑3 Class 3C2), suitable for petrochemical/offshore environments.
Triple - Channel Redundancy: Three fully independent speed - sensing units, each with its own power supply, MPU interface, and trip relay, ensuring no single - point failure disables protection.
2 - out - of - 3 Voting Logic: Trip relay activation requires agreement from at least two units, balancing safety and avoiding false trips from a single faulty unit.
De - energize - to - Trip Safety: Default safety configuration where power loss triggers the trip relay, minimizing risk of failed trip during power outages.
On - line Maintainability: Modular design allows hot - swapping of a single failed unit without shutting down the prime mover, reducing downtime.
Real - time Monitoring & Diagnostics: Front - panel LCDs display speed from each MPU, the highest speed reading, and system status; LEDs indicate power, MPU health, and trip conditions.
Configurable Protection Parameters: Programmable overspeed setpoints, MPU fault timeouts, MPU fault setpoints, and gear tooth counts to match specific machinery requirements.
On - line Testing Capability: Supports overspeed test mode without triggering actual turbine trips, enabling verification of system functionality during operation.
Integrated Graphical HMI: The 8.4 - inch LCD screen supports multi - language display, real - time parameter trending, and configurable tag names for easy navigation and troubleshooting. It can record RTC - time - stamped trip/alarm events.
Comprehensive Turbine Control: It has automatic start sequencing for hot/cold starts (with temperature input support), critical speed avoidance across 3 speed bands, dual speed/load dynamics tuning, zero - speed detection, and overspeed trip peak - speed indication. It also features frequency dead - band and remote droop adjustment.
Safety & Monitoring: It is equipped with 10 external alarm inputs and 10 external DI trip inputs, and has a dedicated trip indication with time - stamping for post - event analysis. It also has built - in overspeed protection and a fault - tolerant architecture.
Flexible I/O Configuration: 8 analog inputs (configurable for 27 functions), 20 contact inputs, 2 analog outputs, and 8 Form - C relays allow for customized integration with sensors, actuators, and safety systems.
Communication & Diagnostics: It supports Modbus for PLC/DCS integration, and has data logging and RemoteView remote monitoring capabilities. It offers 3 operating modes: configuration, operation, and calibration.
Hazardous Area & Marine Ready: It meets ATEX Zone 2 and IACS UR E10 marine compliance standards, making it suitable for harsh and classified environments.
Transducer Inputs: Four configurable channels supporting 2-wire or 3-wire accelerometers, velocity sensors, or proximity probes for vibration, position, or speed measurements .
Temperature Inputs: Four channels supporting Type E, J, K, and T thermocouples, as well as 2-wire or 3-wire RTDs for thermal monitoring .
Signal Conditioning: 24-bit ADC conversion ensures high-resolution data acquisition with ±0.1% full-scale accuracy .
