ECU control unit HY-TTC 94

ECU control unit
ECU control unit
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Project description HY-TTC 94 is the top-level electronic control unit of the HY-TTC 50 controller family, offering enhanced flexibility and safety. It is designed to comply with the ISO/EN 13849 international standard. It comprises a main CPU for executing the user application and a smaller diagnostic CPU, which continuously monitors the main CPU and the safety-critical inputs and outputs. In case an error is detected, an internal switch opens, disconnecting all output stages from power supply and shifting the vehicle to a safe state. These safety features prevent uncommanded movements of the vehicle and equipment, thereby ensuring safe working conditions for users. HY-TTC 94 fulfills PL d (Performance Level d) requirements. Features ECU Dimensions147.6 x 180.3 x 39.8 mm Dimensions for minimum connector release clearance197.7 x 202.8 x 39.8 mm Weight650 g Operating Temperature- 40 to +85 (full load) - 40 to +105 (lim. load) °C Operating Altitude0 to 4000 m Supply Voltage8 to 32 V Peak Voltage45 Vmax Standby Current0,5 mAmax Idle Current0.15 at 9V Amax Current25 Amax Features All I/Os and interfaces mentioned below are protected against short circuit to GND and BAT+. CPU Core • 16/32-bit Infineon XC2287M safety microcontroller, 80 MHz, 832kB int. Flash, 50kB int. RAM, 512kB ext. RAM • CPU-internal safety features − Hardware CRC checker for supervising flash memory − Integrated Memory Protection Unit (MPU) − RAM content protection through Error-Correcting-Code (ECC). • Watchdog CPU Freescale HC908, including monitoring software • 64kbit EEPROM Interface • 1 x RS-232 and 1 x LIN serial interfaces • 4 x CAN, 125 kbit/s up to 1 Mbit/s Outputs


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