Cpu , Ethernet Interface , Dummy Module , Digital Inputmodule , Digital Output Module , Analog Input Module ,Serial Link Controller , Power Supply , Temperature Module ,Signal Repeater , Current And Potential Transformerinterface , Filter For Current And Voltage Measuring , Firingmodule Crowbar Over Voltage , Firing Module Crowbardischarge , Crowbar , Bridge Selection Unit , Currentaquisition Reed- Relay , Measure Converter , Conductionsurveillance , Two Stage Rpm Filter , Differential Airpressure Sensor , Ac Flashing Diode Bridge Quantity: 41