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Electronic Control Unit

Electronic Control Unit
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Electronic Control Unit

Product catalog summary
Introduction
This document provides an overview of electronic control units (ECUs) used in Bondioli & Pavesi components for both mobile and stationary applications in agriculture and industry. These units are crucial for managing hydrostatic drives, electro-proportional and on/off distributors, fan drive systems, constant speed drive systems, load sensing systems, and CAN BUS distributed controls. The ECUs are microprocessor-based and utilize PWM technology for remote control of solenoid valves.
Specifications and Features
The ECUs include models such as SE, SMAT, BRUSH FAN, I/O EXPANDER, and SSPro. They collect system data like pressure and speed to generate control signals based on programmed strategies. The units feature hardware redundancies and safety software functions for secure operation. They are programmable and customizable with different software types to meet client needs, with programming facilitated by the HP Hydraulic ECUTuner software.
Control Strategy
The document details control strategies for automotive control of hydrostatic transmissions, involving PWM signals and digital controls. Applications include automotive, fan drive systems, constant speed drive systems, differential management on tandem pumps, feedback control systems, proportional control systems, and load sensing systems. These strategies are adaptable for both open and closed circuit systems.
Fan Drive and Constant Speed Drive Control
The Fan Drive control system optimizes machine performance by adjusting fan speed based on temperature sensor readings. The Constant Speed Drive system maintains a constant hydraulic motor shaft speed despite load changes using PID logic. Both systems are programmable via the ECU Tuner tool.
Differential Control on Tandem Pumps
The AIC system manages hydrostatic transmissions with tandem axial piston pumps using software algorithms for differential control, suitable for tracked machines and vehicles with various steering configurations. The system is fully configurable using the ECU Tuner tool.
Specifications
The Constant Speed Drive (CSD) system uses PID logic to maintain constant motor speed by adjusting pump displacement, configurable via the ECUTuner tool. The Load Sensing (LS) control is vital for applications where traditional systems fail to maintain torque or power, offering modules like anti-stall rev limiter, torque limiter, and power limiter. These systems are compatible with HPA4 LS and HPA6 LS pumps.
Procedures
The document describes programming control units using the ECUTuner software, allowing calibration of control parameters, including control maps, loop parameters, and solenoid valve current ramps. Programming involves setting characteristic curves using an xy diagram.
Standards and Compliance
The systems comply with electromagnetic compatibility standards such as ISO 13766, ISO 7637, ISO 11452, and ISO 14982, and adhere to the 2004/108/EC Directive.
Components and Accessories
The control systems require various accessories, including sensors and standard cabling, which can be ordered separately. The document specifies the security features of the control units, including hardware and software safety measures.
Key Features
The systems offer proportional control of pump displacement and pressure reducer valves, with feedback mechanisms for maintaining displacement during load variations. The control units are equipped with microcontrollers and support RS-232 communication for connection to a PC.
Technical Data
The document provides technical specifications for different control units, including voltage, current consumption, input/output configurations, and operating temperature ranges. The systems are designed for durability with an estimated life of 45 years under specified operating conditions.
Functional Features
Includes digital and analog inputs with various configurations, PWM outputs with specified frequency ranges, and CAN BUS and RS232 ports for communication and data exchange.
Reliability and Compliance
MTTF (Mean Time to Failure) estimates range from 40 to 60 years based on specific operating profiles. Safety Integrity Levels reach up to SIL2/PLd for certain models, indicating the level of risk reduction provided by the safety functions.
Ordering Information
Instructions for ordering include specifying series, product type, power supply voltage, application, and software version. Notes on calibration and system structure specific to customer applications require coordination with HP Hydraulic – Bondioli & Pavesi.
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Catalog excerpts

Electronic Control Unit-1

UNITÀ ELETTRONICHE DI CONTROLLO ELECTRONIC CONTROL UNIT MIKROCONTROLLER

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Electronic Control Unit-2

INTRODUZIONE INTRODUCTION EINLEITUNG BONDIOLI 1=1 & PAVESI l5J HP Hydraulic Le unita elettroniche di controllo sono utilizzate su diversi componenti Bondioli & Pavesi per risolvere varie applicazioni del settore mobile e fisso, agricolo e industriale. • Trazione veicoli idrostatici • Distributori elettroproporzionali e on/off • Sistemi fan drive • Sistemi costant speed drive • Sistemi load sensing • Controlli distribuiti via CAN BUS Le unita elettroniche di controllo sono schede elettroniche a microprocessore per controllo remoto di elettrovalvole proporzionali in tecnologia PWM (Pulse Width...

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Electronic Control Unit-3

STRATEGIA DI CONTROLLO CONTROL STRATEGY REGELSTRATEGIE M BONDIOLI LSI A & PAVESI l5J HP Hydraulic La pompa a cilindrata variabile, dotata di comando elettrico proporzionale diretto o retroazionato, e controllata mediante una coppia di segnali PWM che pilotano le elettrovalvole dello stadio di comando. Se richiesto, la centralina e in grado di controllare anche un motore idraulico a cilindrata variabile a comando elettrico mediante un segnale digitale che pilota l’elettrovalvola on/off. Le applicazioni sono disponibili per la gestione di sistemi in circuito aperto e circuito chiuso. Per ciascuna...

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Electronic Control Unit-4

STRATEGIA DI CONTROLLO CONTROL STRATEGY REGELSTRATEGIE BONDIOLI 1=1 & PAVESI l5J HP Hydraulic CONTROLLO FAN DRIVE FAN DRIVE CONTROL STEUERUNG FAN DRIVE II sistema di controllo Fan Drive (FDR) migliora le prestazioni delle macchine in termini di consumi e rumorosita. La centralina elettronica, secondo diverse strategie software, gestisce l’uscita proporzionale (IV) che regola la velocita della ventola in funzione delle temperature (TEMP) acquiste da appositi sensori installati sullo scambiatore. L’uscita ON/OFF (IR) attiva la valvola di inversione per la pulizia della massa radiante. In caso di...

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Electronic Control Unit-5

STRATEGIA DI CONTROLLO CONTROL STRATEGY REGELSTRATEGIE CONTROLLO RETROAZIONATO FEEDBACK CONTROL RUCKGEFUHRTE SCHWENKWINKELREGELUNG II sistema elettronico ANF e in grado di gestire proporzionalmente la cilindrata di una pompa idrostatica secondo uno specifico target richiesto. Il mantenimento della cilindrata e garantito anche a variazioni di carico. Attraverso un sensore angolare montato sul piatto oscillante il sistema elettronico attiva un controllo retroazionato, tramite logica pid, sulla cilindrata. The ANF electronic system offers proportional control of hydrostatic pump displacement in...

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Electronic Control Unit-6

ACCESSORI ACCESSORIES ZUBEHOR BONDIOLI 1=1 & PAVESI l5J HP Hydraulic La realizzazione di un sistema elettronico di controllo comporta la presenza di una serie di accessori a corredo della centralina. Tali accessori si dividono nelle seguenti categorie: SENSORI (Sezione “Accessori elettronici - Sensori”). La dotazione di sensori di un sistema elettronico completo deve essere definita nel codice di ordinazione del sistema (HPEE...). I sensori possono essere ordinati separatamente come codici HP...R. CABLAGGI STANDARD (Sezione “Accessori elettronici - Cablaggi standard”). I cablaggi possono essere...

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Electronic Control Unit-7

CARATTERISTICHE DI SICUREZZA ELECTRONIC CONTROL UNIT SICHERHEITSEIGENSCHAFTEN BONDIOLI LSI & PAVESI l5J HP Hydraulic Le centraline sono dotate delle seguenti caratteristiche di sicurezza: sicurezze hardware: • stadi di potenza per la generazione delle uscite PWM ridondanti, comprendenti sia hi-side che lo-side driver • sistema dotato di processore di servizio, con funzione di watchdog intelligente sicurezze software: • inibizione delle uscite di potenza in caso di avviamento con macchina in marcia • diagnosi in tempo reale dello stato dei sensori e dei driver di potenza e attuazione di strategie...

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Electronic Control Unit-8

UNITA ELETTRONICHE DI CONTROLLO ELECTRONIC CONTROL UNIT MICROCONTROLLER BONDIOLI 131 & pavesi ra HP Hydraulic SI CARATTERISTICHE CHARACTERISTICS EIGENSCHAFTEN * MTTF: Stima di durata in anni con profilo operativo di 11,87% (4 ore al giorno, 5 giorni per settimana, 52 settimane per anno) MTTF: Years of estimated Life with operating profile of 11,87% (4 hours per day, 5 days per week, 52 weeks per year) MTTF: Lebensdauerabschatzung in Jahren

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Electronic Control Unit-9

UNITA ELETTRONICHE DI CONTROLLO ELECTRONIC CONTROL UNIT MICROCONTROLLER HP Hydraulic SMAT CARATTERISTICHE CHARACTERISTICS EIGENSCHAFTEN * MTTF: Stima di durata in anni con profilo operativo di 11,87% (4 ore al giorno, 5 giorni per settimana, 52 settimane per anno) MTTF: Years of estimated Life with operating profile of 11,87% (4 hours per day, 5 days per week, 52 weeks per year) MTTF: Lebensdauerabschatzung in Jahren

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Electronic Control Unit-10

UNITA ELETTRONICHE DI CONTROLLO ELECTRONIC CONTROL UNIT MICROCONTROLLER BONDIOLI 131 & pavesi ra HP Hydraulic CARATTERISTICHE CHARACTERISTICS EIGENSCHAFTEN * MTTF: Stima di durata in anni con profilo operativo di 11,87% (4 ore al giorno, 5 giorni per settimana, 52 settimane per anno) MTTF: Years of estimated Life with operating profile of 11,87% (4 hours per day, 5 days per week, 52 weeks per year) MTTF: Lebensdauerabschatzung in Jahren

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Electronic Control Unit-11

UNITA ELETTRONICHE DI CONTROLLO ELECTRONIC CONTROL UNIT MICROCONTROLLER HP Hydraulic OX CARATTERISTICHE CHARACTERISTICS EIGENSCHAFTEN * MTTF: Stima di durata in anni con profilo operativo di 11,87% (4 ore al giorno, 5 giorni per settimana, 52 settimane per anno) MTTF: Years of estimated Life with operating profile of 11,87% (4 hours per day, 5 days per week, 52 weeks per year) MTTF: Lebensdauerabschatzung in Jahren

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Electronic Control Unit-12

UNITA ELETTRONICHE DI CONTROLLO ELECTRONIC CONTROL UNIT MICROCONTROLLER BONDIOLI 1=1 & PAVESI l5J HP Hydraulic CARATTERISTICHE CHARACTERISTICS EIGENSCHAFTEN * MTTF: Stima di durata in anni con profilo operativo di 11,87% (4 ore al giorno, 5 giorni per settimana, 52 settimane per anno) MTTF: Years of estimated Life with operating profile of 11,87% (4 hours per day, 5 days per week, 52 weeks per year) MTTF: Lebensdauerabschatzung in Jahren

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Electronic Control Unit-13

UNITÁ ELETTRONICHE DI CONTROLLO ELECTRONIC CONTROL UNIT MICROCONTROLLER DIMENSIONI SIZE ABMESSUNGEN DIMENSIONI SIZE ABMESSUNGEN

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