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.