DEIF PPU 300 controller
Basic Information
Name: ppu-300-product-sheet-4189341267-uk.fdf
Product: DEIF PPU 300 Modular Parallel Protection Controller, a new generation of multifunctional control and protection device specifically designed for the shipbuilding industry. It supports multi model adaptation, hardware modular plug-in expansion, optional CODESYS custom programming, and comes with PICUS free upper software. It is suitable for five control scenarios: generator sets, shaft generators, inverters, shore power, and bus tie circuit breakers.
Product overall positioning and controller classification
1. Core positioning of the product
Modular and freely configurable ship specific controller, integrating unit control, synchronization, full set of ANSI relay protection, speed and voltage regulation, load sharing, and engine ECU communication; Hardware rack plug-in card, modules can be replaced separately; Support CODESYS extension custom logic, equipped with a 5-inch color touch display screen, redundant ring Ethernet communication architecture, suitable for complex power station systems on ships.
Two major controller models (universal hardware, differentiated software functions)
GENSET unit controller: complete control and protection of diesel/gas generators and generator circuit breakers;
SHAFT shaft generator controller: dedicated control logic for ship shaft generator;
HYBRID hybrid inverter controller: inverter+energy storage/power system control;
Shore power controller: dock shore power access cabinet, shore power circuit breaker control and protection;
BUS TIE bus tie controller: dedicated synchronization, monitoring, and protection for a single bus tie circuit breaker.
Overview of Core Machine Functions
1. Control and synchronization functions
Automatic/static synchronization modes, supporting black start and no voltage closing; Can be manually/automatically unloaded and disconnected;
Custom timing for idle, warm-up, and cooling shutdown; Support pulse/continuous/compact type three types of circuit breaker drive;
Redundant communication in the ring network enables equal distribution of active and reactive power among multiple units; Automatically identify segmented busbars and support load distribution for ring network busbars;
Local panel, remote digital input, upper software Modbus、 Customize logic for multi-channel start stop/trip operation.
2 Human Computer Interaction System
DU300 5-inch high-definition color display screen: physical buttons+color screen, real-time waveform/battery/alarm display, built-in operation assistance, multilingual switching;
A single host can link up to 2 display screens with interlocking safety logic;
3 panel functions: mode switching, start stop, opening and closing, parameter modification, fault confirmation reset.
3 Software Supporting Tools
PICUS (Free PC Software)
Single line diagram visualization configuration, IO and parameter batch configuration;
System simulation, online real-time monitoring, trend curve recording;
User level permissions, parameter backup/firmware upgrade;
One click parameter distribution of the entire machine to multiple controllers.
Optional CODESYS extension software
Expand the functionality of the native controller;
Independently write customized control projects and special interlocking logic.
Built in Custom Logic: Each controller can have up to 20 input events and 20 output commands, supporting 16 remote IO interactions across units and up to 20 Modbus variable linkage.
4 Communication Architecture (High Redundancy Design)
Hardware network port: PCM main control integrated 5-way RJ45 Ethernet;
IP protocol: Supports both static IPv4, automatic IPv6, and NTP global clock synchronization;
3 Topology: Circular redundant bus, mutual authentication between controllers to prevent external device interference;
4 Bus Types:
DEIF dedicated unit ring intranet (load sharing, cross machine logic interaction);
CAN bus: docking with engine ECU (universal J1939 protocol);
Modbus TCP/RTU, Support scaling, unit conversion, and multi protocol adaptation;
Internal bus of rack backplane (extended IO rack communication);
5. Communication security: graded password permissions, communication identity verification.
5 Measurement and filtering characteristics
The maximum direct measurement of three-phase voltage is 690V, with a measurement accuracy of 0.5 level;
Provide two mean filters of 200ms/800ms, which only affect the display, upper level, and logic curves, without changing the protection and adjustment sampling values, to avoid erroneous display of power grid fluctuations;
Support multi-dimensional smoothing processing of voltage, current, and power.
6 Analog processing capability
Analog input/output supports preset curves, with an additional maximum of 20 customizable user curves; Can detect sensor disconnection and over range faults, and output corresponding alarms.
7 Redundancy and Security Design
Circular communication redundancy and circuit breaker dual position feedback redundancy;
The EIM3.1 engine safety shutdown module can still independently execute shutdown protection even if communication with the motherboard is interrupted;
3 AC measurement multi-channel mean smoothing, fault lockout relay ANSI86;
4-level password, alarm lock/hold function, 150+time stamp event records.

Hardware rack and full range of modules
Two types of standard aluminum frames
Rack 4.1: 4 module slots, size 146.1 × 199.9 × 139.3mm;
Rack 7.1: 7 module slots, size 230.1 × 199.9 × 139.3mm;
The rack backplane is equipped with a unified bus, cable stress relief board, cable tie card slot, and blind plate dust prevention for empty slots.
2 complete sets of standardized plug-in modules
PCM3.1 Main Control Communication Module (Core Required)
The overall CPU, power management, 5-way RJ45 network ports, CAN engine bus, and internal rack expansion bus are responsible for IP protocol, ring communication, and logical operations.
PSM3.1/3.2 power module
Supports 12V/24VDC system power supply, providing power to all boards of the entire machine.
ACM3.1 AC measurement module
Collection of three-phase voltage and current on the circuit breaker side;
ACM3.2 differential current dedicated measurement module
Generator differential protection 87G dedicated CT acquisition;
IOM3.1 Basic IO: 10 digital inputs+4 relay outputs;
IOM3.2 multifunctional IO: 4DI+4DO+4 multiple analog inputs+4 analog outputs (including 2 PWM);
IOM3.3 analog acquisition card: 10 channels of multifunctional analog inputs;
IOM3.4 transistor output IO: 16DI+12 transistor outputs;
GAM3.1/GAM3.2 speed and voltage regulation dedicated module
Relay/analog/PWM speed regulation AVR output, built-in status contacts;
EIM3.1 Engine Safety Interface Module
Independent safety shutdown circuit, speed acquisition, multiple analog/switch signals, capable of independent operation in case of motherboard disconnection;
3 DU300 display screen mechanical dimensions
238 × 178 × 52.4 mm, color LCD, matched with sealing gasket, supports embedded installation in cabinet.
Complete ANSI standard protection function
(1) Power side (generator/inverter/shore power) protection
27 undervoltage (2 segments), 59 overvoltage (2 segments), 47 voltage imbalance/negative sequence voltage, 59N zero sequence voltage;
50 instantaneous short-circuit overcurrent in 2 sections, 51 timed overcurrent in 2 sections, 51 inverse time overcurrent, 67 direction overcurrent;
46 current imbalance/negative sequence current, 51N zero sequence overcurrent, 51G grounding inverse time overcurrent;
81O overclocking 2 segments, 81U underfrequency 2 segments; 32 overload 2 segments, 32R reverse power 2 segments;
40O overexcitation, 40U demagnetization (capacitive reactive power input); 25 simultaneous verification, 50BF circuit breaker failure;
87G stable differential+high-value differential (optional ACM3.2); 86 fault lockout relay.
(2) Bus side protection
A complete set of two-stage protection for busbar 27 under voltage, 59 over voltage, 81 high and low frequency, and voltage imbalance.
Environmental, mechanical, and certification specifications
1. Temperature and humidity
Rack module operation: -40 ℃~+70 ℃; Display screen -20~70 ℃; UL certified machine with a maximum temperature of 55 ℃;
Storage: Module -40~80 ℃, Display -30~80 ℃; The maximum relative humidity is 97% without condensation.
2 Vibration/Shock/Seismic (Ship Grade Standard)
Meet the IEC marine vibration, impact, and seismic Class2 standards, and withstand high and low frequency vibrations, sinusoidal impacts, bumps, and earthquake conditions; Plastic parts UL94-V0 flame retardant.
3 Safety Regulations and EMC
Safety standards EN61010-1, CAT III 600V;
EMC meets the full range of industrial/marine EN61000, ISO7637 vehicle mounted pulse, and IACS ship electrical standards;
4 Global certifications
CE, UL/cUL industrial equipment certification, CSA Canadian standards;
All mainstream classification society certification (DNV, GL, LR, ABS, BV, RINA, etc.), fully suitable for marine engineering and ship power stations.
