Fast Analog Capturing Module

• Capturing injection control voltage and calculating injection quantity for piezo actuators of SI engines
• Analog plug-on module for the DS2302 Direct Digital Synthesis Board
• Up to 6 modules with one DS2302

Hardware Details

• 16-bit resolution
• 1 megasample per second sampling rate
• 2 channels
• ±10 V input range
• Optional external trigger input

Software Details

• Integration (Euler) on DS2302 slave DSP in 8 ... 10 µs
• Threshold values for starting and stopping computation included
• Capture of n injection pulses (currently n=3 per cylinder) per 720° crankshaft revolution
• Values provided to the master via dual-port memory