The S12 is our flagship engine control unit (ECU), engineered to endure some of the most challenging conditions while offering ample inputs and outputs to fully manage a V12 engine with sequential control, ensuring optimal performance and reliability over the long term.
Technical Specification:
Pulse Width Modulated Power Outputs:
- 50 user-configurable general-purpose PWM power outputs, including:
- 12x Ignition Coil outputs – Can be configured as IGBT (Coil Direct) or TTL (ignitor).
- 24x Fuel Injector outputs.
- 8x PWM Outputs.
- 3x full bridges that can also be configured as 6 half bridges or 6 PWM outputs.
- Each Full Bridge supports up to 20A output (DbW & HDP-5).
General Purpose Inputs:
- 28x General purpose inputs for various sensing and control purposes.
Knock Inputs:
- 4x Dedicated knock sensor inputs for monitoring engine knock.
Lambda Interfaces:
- 2x NTK wide band Lambda interfaces for accurate air-fuel ratio monitoring.
Thermocouple Interfaces:
- 2x K-type thermocouple interfaces for temperature sensing.
Communication Interfaces:
- 100 MHz full duplex Ethernet for connection to a PC for programming and data download.
- 3x CAN 2.0B interfaces for communication with other vehicle systems.
- RS232 serial interface for additional communication needs.
Voltage Input Range:
- Operating voltage input range of 6V to 26V with reverse polarity protection.
Sensor Supply Outputs:
- 2x Regulated 5V sensor supply outputs with protection.
- Software-configurable sensor supply output for sensors ranging from 5V to 12V.
- Unregulated sensor supply output that tracks the ECU supply voltage.
Ground Inputs:
- 5 Separately protected sensor and communication ground inputs to ensure reliable signal integrity.
Flash Logging Memory:
- Up to 128MB flash logging memory to store essential data for analysis and tuning.
Data Download:
- Fast data download capability via Ethernet, with download times of less than 30 seconds.
Real-Time Clock:
- Real-time clock enables time and date-stamped data for accurate data analysis.
Connector and Case:
- Twin split automotive connector with a total of 121 pins for secure and reliable connections.
- Anodized aluminum case ensures durability and protection.
- Maximum dimensions including connectors: 178 x 160 x 45 mm.
- Total mass of the unit is 670 grams.
Operating Temperature:
- Designed to operate within a temperature range of -25°C to +95°C, making it suitable for various environments.
The S12 ECU is the epitome of advanced Engine Management (ECU), providing exceptional control over a V12 engine's performance and critical parameters. Its robust design, versatile input/output configurations, and reliable communication interfaces make it an ideal choice for demanding applications that require precision and durability.
