DEIF PPU‑2 Generator Paralleling And Protection Unit

Technical Specifications

Model:PPU2(PPU‑2,discontinued,successor model PPU300)

Brand:DEIF

System compatibility:Modular rack‑type generator paralleling protection controller of DEIF Multi‑Line2 series,multiple internal expansion slots for different functional option boards;supports J1939,Profibus‑DP,Modbus‑RTU and other communication options;works for marine and industrial multi‑genset parallel power‑station,matches DU‑2/MKII display unit.

Function:All‑in‑one modular genset control unit. Collects generator and busbar three‑phase voltage and CT current signals;realises automatic synchronisation,active/reactive load‑sharing;integrates rich electrical protection functions;supports engine start‑stop logic processing;various optional communication boards realize engine ECU data reading and SCADA upper‑computer interaction;fault event storage,parameter configuration via PC service interface.

Installation:Rack‑mount installation inside switchgear cabinet,multiple internal slots for plug‑in option boards,screw terminals for field wiring;display unit DU‑2/MKII adopts panel cut‑out mounting,connected via communication cable.

Interface:

‑Multiple internal slots for CPU,I/O and communication option boards

‑Screw terminal:AC voltage and CT current measuring input

‑Multi‑pin port for DU‑2/MKII display connection

‑Service port for PC configuration

‑Field terminals for digital I/O and relay output

Circuit feature:Modular slot‑based architecture,surge suppression for AC measuring inputs,non‑volatile memory for parameter and event log storage,hardware watchdog for fault monitoring.

Feature:Legacy discontinued marine controller,different hardware option combinations exist;must confirm slot option configuration before replacement;replacement reference model PPU300.

Diagnostic:Status information and fault alarm displayed on DU‑2/MKII display unit;fault data can be uploaded to SCADA system via communication bus.

Power supply:8‑36VDC wide‑range DC power supply,typical power consumption 12W

Protection class:IP20 for main rack body

Horizontal operating temperature:‑25℃ ~ +70℃

Storage temperature:‑40℃ ~ +85℃

Relative humidity:5%‑95% non‑condensing

Shock & vibration:Complies with DNV marine environmental requirement

Weight:1.5kg

Dimensions:260mm ×210mm ×100mm

Certification:DNV,ABS,LR,CE,marine type approval

Built‑in function

PPU2 modular paralleling‑protection unit completes signal measurement,generator synchronisation,load‑sharing and multi‑protection for DEIF power‑management system. It cooperates with DU‑2/MKII display unit to realize local operation monitoring. Widely used for legacy marine and industrial generator power‑station cabinet repair and spare‑part replacement.

Product Brief

PPU2(PPU‑2) belongs to DEIF Multi‑Line2 series spare‑part family,modular rack‑mount generator paralleling‑protection controller. Product is end‑of‑life,hardware slot option configuration must be verified before ordering,alternative model PPU300. Widely applied for marine power‑equipment maintenance and renovation. ESD anti‑static protection shall be followed during installation.