DEIF’s PPU-3 is a powerful parallel and protection device designed specifically for controlling and protecting generator sets in power systems.

###Functional Features
1. * * Multi functional control * *:
-Provide multiple control modes such as generator protection, synchronization, load distribution, fixed power, and fixed frequency.
-Support dynamic synchronization function to ensure the accuracy and stability of parallel operation of generators.
2. * * Real time monitoring and display * *:
-Integrated three-phase measurement circuit, capable of real-time monitoring of parameters such as voltage, current, frequency, etc., and displaying them on high-quality LCD screens.
-Support alarm information display for easy and quick problem location.
3. * * Intelligent Control and Communication * *:
-Support serial communication, capable of data communication and integration with PLC, SCADA systems, etc.
-Provide a USB interface for connecting to a PC for easy debugging and parameter setting.
4. * * High reliability * *:
-Made with high-quality electronic components and materials, it can operate stably in harsh environments.
-When the PPU-3 processor fails, the optional engine interface card can enter backup mode to ensure uninterrupted engine monitoring.
5. * * Modular design * *:
-Supporting expansion modules, such as optional engine interface cards, can transform PPU-3 into an engine control unit with start/stop and protection functions.
-Support remote installation and additional remote display for easy operation and monitoring.

6. Customization and Flexibility:
-Through DEIF’s M-Logic software, users can customize specific functions or logic conditions according to their needs.
-Support multiple protection functions, such as overload, overvoltage, undervoltage, short circuit, etc.
###Technical specifications
-* * Input voltage * *: Supports 24V DC or 110-240V AC.
-Communication interface: Supports standard protocols such as Modbus RTU, CANopen, Profibus DP, etc.
-Working temperature: -20 ℃ to 60 ℃.
-* * Display Unit * *: Built in LCD display screen, capable of displaying measurement values, alarm information, and event logs.
###Application Fields
-Ship Generator Set: Used for automatic control and synchronization of generator sets on ships.
-Industrial generator set: used for power monitoring and management in industrial sites.
-* * Backup Power System * *: As a backup power source for critical facilities, it provides reliable power support.
-Energy Management System: Optimize energy usage and reduce energy consumption.
DEIF PPU-3 is an ideal choice for generator set control and protection due to its versatility, high reliability, and flexible communication capabilities.