System Overview 
1
 
1- 2   Perfusor® compact, 2.1 gb
Function
The electronics of the Perfusor compact consists of the following
components:
1. A-Module with MFC board as the central power supply and 
interface
2. E-Module as operating and control unit
3. Drive unit, consisting of
- drive board with the complete sensor technology, light 
barriers for syringe pre- and end-alarm, syringe size 
recognition and motor operation control
- push-button sensor board for the inserted syringe
- positive locking sensor board for the frictional 
connection between nut and spindle of the drive.
Fig.: 1 - 2   Block diagram
2.1